Vendor updated swarmkit, libnetwork, engine-api

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

hack/vendor.sh

@@ -60,12 +60,12 @@ clone git golang.org/x/net 2beffdc2e92c8a3027590f898fe88f69af48a3f8 https://gith
 clone git golang.org/x/sys eb2c74142fd19a79b3f237334c7384d5167b1b46 https://github.com/golang/sys.git
 clone git github.com/docker/go-units 651fc226e7441360384da338d0fd37f2440ffbe3
 clone git github.com/docker/go-connections fa2850ff103453a9ad190da0df0af134f0314b3d
-clone git github.com/docker/engine-api 19b4fb48a86c3318e610e156ec06b684f79ac31d
+clone git github.com/docker/engine-api 62043eb79d581a32ea849645277023c550732e52
 clone git github.com/RackSec/srslog 259aed10dfa74ea2961eddd1d9847619f6e98837
 clone git github.com/imdario/mergo 0.2.1
 
 #get libnetwork packages
-clone git github.com/docker/libnetwork  ed311d050fda7821f2e7c53a7e08a0205923aef5
+clone git github.com/docker/libnetwork 377a7337f2387cce3be1df7a4503446147b68ff1
 clone git github.com/docker/go-events 39718a26497694185f8fb58a7d6f31947f3dc42d
 clone git github.com/armon/go-radix e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
 clone git github.com/armon/go-metrics eb0af217e5e9747e41dd5303755356b62d28e3ec
@@ -139,10 +139,10 @@ clone git github.com/docker/docker-credential-helpers v0.3.0
 clone git github.com/docker/containerd b93a33be39bc4ef0fb00bfcb79147a28c33d9d43
 
 # cluster
-clone git github.com/docker/swarmkit 3f135f206179ea157aeef2d1d401eb795f618da8
+clone git github.com/docker/swarmkit 036a4a1e934bd1bbb35c3ec7f85dea2ba6d4e336
 clone git github.com/golang/mock bd3c8e81be01eef76d4b503f5e687d2d1354d2d9
 clone git github.com/gogo/protobuf 43a2e0b1c32252bfbbdf81f7faa7a88fb3fa4028
-clone git github.com/cloudflare/cfssl 92f037e39eb103fb30f9151be40d9ed267fc4ae2
+clone git github.com/cloudflare/cfssl b895b0549c0ff676f92cf09ba971ae02bb41367b
 clone git github.com/google/certificate-transparency 025a5cab06f6a819c455d9fdc9e2a1b6d0982284
 clone git golang.org/x/crypto 3fbbcd23f1cb824e69491a5930cfeff09b12f4d2 https://github.com/golang/crypto.git
 clone git github.com/mreiferson/go-httpclient 63fe23f7434723dc904c901043af07931f293c47

vendor/src/github.com/cloudflare/cfssl/api/api.go

@@ -0,0 +1,231 @@
+// Package api implements an HTTP-based API and server for CFSSL.
+package api
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/cloudflare/cfssl/errors"
+	"github.com/cloudflare/cfssl/log"
+)
+
+// Handler is an interface providing a generic mechanism for handling HTTP requests.
+type Handler interface {
+	Handle(w http.ResponseWriter, r *http.Request) error
+}
+
+// HTTPHandler is a wrapper that encapsulates Handler interface as http.Handler.
+// HTTPHandler also enforces that the Handler only responds to requests with registered HTTP methods.
+type HTTPHandler struct {
+	Handler          // CFSSL handler
+	Methods []string // The associated HTTP methods
+}
+
+// HandlerFunc is similar to the http.HandlerFunc type; it serves as
+// an adapter allowing the use of ordinary functions as Handlers. If
+// f is a function with the appropriate signature, HandlerFunc(f) is a
+// Handler object that calls f.
+type HandlerFunc func(http.ResponseWriter, *http.Request) error
+
+// Handle calls f(w, r)
+func (f HandlerFunc) Handle(w http.ResponseWriter, r *http.Request) error {
+	w.Header().Set("Content-Type", "application/json")
+	return f(w, r)
+}
+
+// handleError is the centralised error handling and reporting.
+func handleError(w http.ResponseWriter, err error) (code int) {
+	if err == nil {
+		return http.StatusOK
+	}
+	msg := err.Error()
+	httpCode := http.StatusInternalServerError
+
+	// If it is recognized as HttpError emitted from cfssl,
+	// we rewrite the status code accordingly. If it is a
+	// cfssl error, set the http status to StatusBadRequest
+	switch err := err.(type) {
+	case *errors.HTTPError:
+		httpCode = err.StatusCode
+		code = err.StatusCode
+	case *errors.Error:
+		httpCode = http.StatusBadRequest
+		code = err.ErrorCode
+		msg = err.Message
+	}
+
+	response := NewErrorResponse(msg, code)
+	jsonMessage, err := json.Marshal(response)
+	if err != nil {
+		log.Errorf("Failed to marshal JSON: %v", err)
+	} else {
+		msg = string(jsonMessage)
+	}
+	http.Error(w, msg, httpCode)
+	return code
+}
+
+// ServeHTTP encapsulates the call to underlying Handler to handle the request
+// and return the response with proper HTTP status code
+func (h HTTPHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	var err error
+	var match bool
+	// Throw 405 when requested with an unsupported verb.
+	for _, m := range h.Methods {
+		if m == r.Method {
+			match = true
+		}
+	}
+	if match {
+		err = h.Handle(w, r)
+	} else {
+		err = errors.NewMethodNotAllowed(r.Method)
+	}
+	status := handleError(w, err)
+	log.Infof("%s - \"%s %s\" %d", r.RemoteAddr, r.Method, r.URL, status)
+}
+
+// readRequestBlob takes a JSON-blob-encoded response body in the form
+// map[string]string and returns it, the list of keywords presented,
+// and any error that occurred.
+func readRequestBlob(r *http.Request) (map[string]string, error) {
+	var blob map[string]string
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, err
+	}
+	r.Body.Close()
+
+	err = json.Unmarshal(body, &blob)
+	if err != nil {
+		return nil, err
+	}
+	return blob, nil
+}
+
+// ProcessRequestOneOf reads a JSON blob for the request and makes
+// sure it contains one of a set of keywords. For example, a request
+// might have the ('foo' && 'bar') keys, OR it might have the 'baz'
+// key.  In either case, we want to accept the request; however, if
+// none of these sets shows up, the request is a bad request, and it
+// should be returned.
+func ProcessRequestOneOf(r *http.Request, keywordSets [][]string) (map[string]string, []string, error) {
+	blob, err := readRequestBlob(r)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var matched []string
+	for _, set := range keywordSets {
+		if matchKeywords(blob, set) {
+			if matched != nil {
+				return nil, nil, errors.NewBadRequestString("mismatched parameters")
+			}
+			matched = set
+		}
+	}
+	if matched == nil {
+		return nil, nil, errors.NewBadRequestString("no valid parameter sets found")
+	}
+	return blob, matched, nil
+}
+
+// ProcessRequestFirstMatchOf reads a JSON blob for the request and returns
+// the first match of a set of keywords. For example, a request
+// might have one of the following combinations: (foo=1, bar=2), (foo=1), and (bar=2)
+// By giving a specific ordering of those combinations, we could decide how to accept
+// the request.
+func ProcessRequestFirstMatchOf(r *http.Request, keywordSets [][]string) (map[string]string, []string, error) {
+	blob, err := readRequestBlob(r)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	for _, set := range keywordSets {
+		if matchKeywords(blob, set) {
+			return blob, set, nil
+		}
+	}
+	return nil, nil, errors.NewBadRequestString("no valid parameter sets found")
+}
+
+func matchKeywords(blob map[string]string, keywords []string) bool {
+	for _, keyword := range keywords {
+		if _, ok := blob[keyword]; !ok {
+			return false
+		}
+	}
+	return true
+}
+
+// ResponseMessage implements the standard for response errors and
+// messages. A message has a code and a string message.
+type ResponseMessage struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+}
+
+// Response implements the CloudFlare standard for API
+// responses.
+type Response struct {
+	Success  bool              `json:"success"`
+	Result   interface{}       `json:"result"`
+	Errors   []ResponseMessage `json:"errors"`
+	Messages []ResponseMessage `json:"messages"`
+}
+
+// NewSuccessResponse is a shortcut for creating new successul API
+// responses.
+func NewSuccessResponse(result interface{}) Response {
+	return Response{
+		Success:  true,
+		Result:   result,
+		Errors:   []ResponseMessage{},
+		Messages: []ResponseMessage{},
+	}
+}
+
+// NewSuccessResponseWithMessage is a shortcut for creating new successul API
+// responses that includes a message.
+func NewSuccessResponseWithMessage(result interface{}, message string, code int) Response {
+	return Response{
+		Success:  true,
+		Result:   result,
+		Errors:   []ResponseMessage{},
+		Messages: []ResponseMessage{{code, message}},
+	}
+}
+
+// NewErrorResponse is a shortcut for creating an error response for a
+// single error.
+func NewErrorResponse(message string, code int) Response {
+	return Response{
+		Success:  false,
+		Result:   nil,
+		Errors:   []ResponseMessage{{code, message}},
+		Messages: []ResponseMessage{},
+	}
+}
+
+// SendResponse builds a response from the result, sets the JSON
+// header, and writes to the http.ResponseWriter.
+func SendResponse(w http.ResponseWriter, result interface{}) error {
+	response := NewSuccessResponse(result)
+	w.Header().Set("Content-Type", "application/json")
+	enc := json.NewEncoder(w)
+	err := enc.Encode(response)
+	return err
+}
+
+// SendResponseWithMessage builds a response from the result and the
+// provided message, sets the JSON header, and writes to the
+// http.ResponseWriter.
+func SendResponseWithMessage(w http.ResponseWriter, result interface{}, message string, code int) error {
+	response := NewSuccessResponseWithMessage(result, message, code)
+	w.Header().Set("Content-Type", "application/json")
+	enc := json.NewEncoder(w)
+	err := enc.Encode(response)
+	return err
+}

vendor/src/github.com/cloudflare/cfssl/certdb/README.md

@@ -16,21 +16,26 @@ A database is required for the following:
 
 This directory stores [goose](https://bitbucket.org/liamstask/goose/) db migration scripts for various DB backends.
 Currently supported:
- - SQLite in sqlite
+ - MySQL in mysql
  - PostgreSQL in pg
+ - SQLite in sqlite
 
 ### Get goose
 
-    go get https://bitbucket.org/liamstask/goose/
+    go get bitbucket.org/liamstask/goose/cmd/goose
 
-### Use goose to start and terminate a SQLite DB
-To start a SQLite DB using goose:
+### Use goose to start and terminate a MySQL DB
+To start a MySQL using goose:
 
-    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite up'
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/mysql up
 
-To tear down a SQLite DB using goose
+To tear down a MySQL DB using goose
 
-    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite down
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/mysql down
+
+Note: the administration of MySQL DB is not included. We assume
+the databases being connected to are already created and access control
+is properly handled.
 
 ### Use goose to start and terminate a PostgreSQL DB
 To start a PostgreSQL using goose:
@@ -43,7 +48,16 @@ To tear down a PostgreSQL DB using goose
 
 Note: the administration of PostgreSQL DB is not included. We assume
 the databases being connected to are already created and access control
-are properly handled.
+is properly handled.
+
+### Use goose to start and terminate a SQLite DB
+To start a SQLite DB using goose:
+
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite up
+
+To tear down a SQLite DB using goose
+
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite down
 
 ## CFSSL Configuration
 
@@ -55,4 +69,3 @@ JSON dictionary:
 or
 
     {"driver":"postgres","data_source":"postgres://user:password@host/db"}
-

vendor/src/github.com/cloudflare/cfssl/csr/csr.go

@@ -9,6 +9,7 @@ import (
 	"crypto/rsa"
 	"crypto/x509"
 	"crypto/x509/pkix"
+	"encoding/asn1"
 	"encoding/pem"
 	"errors"
 	"net"
@@ -129,8 +130,9 @@ func (kr *BasicKeyRequest) SigAlgo() x509.SignatureAlgorithm {
 
 // CAConfig is a section used in the requests initialising a new CA.
 type CAConfig struct {
-	PathLength int    `json:"pathlen"`
-	Expiry     string `json:"expiry"`
+	PathLength  int    `json:"pathlen"`
+	PathLenZero bool   `json:"pathlenzero"`
+	Expiry      string `json:"expiry"`
 }
 
 // A CertificateRequest encapsulates the API interface to the
@@ -175,6 +177,12 @@ func (cr *CertificateRequest) Name() pkix.Name {
 	return name
 }
 
+// BasicConstraints CSR information RFC 5280, 4.2.1.9
+type BasicConstraints struct {
+	IsCA       bool `asn1:"optional"`
+	MaxPathLen int  `asn1:"optional,default:-1"`
+}
+
 // ParseRequest takes a certificate request and generates a key and
 // CSR from it. It does no validation -- caveat emptor. It will,
 // however, fail if the key request is not valid (i.e., an unsupported
@@ -217,34 +225,11 @@ func ParseRequest(req *CertificateRequest) (csr, key []byte, err error) {
 		panic("Generate should have failed to produce a valid key.")
 	}
 
-	var tpl = x509.CertificateRequest{
-		Subject:            req.Name(),
-		SignatureAlgorithm: req.KeyRequest.SigAlgo(),
-	}
-
-	for i := range req.Hosts {
-		if ip := net.ParseIP(req.Hosts[i]); ip != nil {
-			tpl.IPAddresses = append(tpl.IPAddresses, ip)
-		} else if email, err := mail.ParseAddress(req.Hosts[i]); err == nil && email != nil {
-			tpl.EmailAddresses = append(tpl.EmailAddresses, req.Hosts[i])
-		} else {
-			tpl.DNSNames = append(tpl.DNSNames, req.Hosts[i])
-		}
-	}
-
-	csr, err = x509.CreateCertificateRequest(rand.Reader, &tpl, priv)
+	csr, err = Generate(priv.(crypto.Signer), req)
 	if err != nil {
 		log.Errorf("failed to generate a CSR: %v", err)
 		err = cferr.Wrap(cferr.CSRError, cferr.BadRequest, err)
-		return
-	}
-	block := pem.Block{
-		Type:  "CERTIFICATE REQUEST",
-		Bytes: csr,
 	}
-
-	log.Info("encoded CSR")
-	csr = pem.EncodeToMemory(&block)
 	return
 }
 
@@ -265,6 +250,7 @@ func ExtractCertificateRequest(cert *x509.Certificate) *CertificateRequest {
 		// issue date and expiry date.
 		req.CA.Expiry = cert.NotAfter.Sub(cert.NotBefore).String()
 		req.CA.PathLength = cert.MaxPathLen
+		req.CA.PathLenZero = cert.MaxPathLenZero
 	}
 
 	return req
@@ -377,7 +363,7 @@ func Regenerate(priv crypto.Signer, csr []byte) ([]byte, error) {
 // Generate creates a new CSR from a CertificateRequest structure and
 // an existing key. The KeyRequest field is ignored.
 func Generate(priv crypto.Signer, req *CertificateRequest) (csr []byte, err error) {
-	sigAlgo := helpers.SignerAlgo(priv, crypto.SHA256)
+	sigAlgo := helpers.SignerAlgo(priv)
 	if sigAlgo == x509.UnknownSignatureAlgorithm {
 		return nil, cferr.New(cferr.PrivateKeyError, cferr.Unavailable)
 	}
@@ -397,6 +383,14 @@ func Generate(priv crypto.Signer, req *CertificateRequest) (csr []byte, err erro
 		}
 	}
 
+	if req.CA != nil {
+		err = appendCAInfoToCSR(req.CA, &tpl)
+		if err != nil {
+			err = cferr.Wrap(cferr.CSRError, cferr.GenerationFailed, err)
+			return
+		}
+	}
+
 	csr, err = x509.CreateCertificateRequest(rand.Reader, &tpl, priv)
 	if err != nil {
 		log.Errorf("failed to generate a CSR: %v", err)
@@ -412,3 +406,26 @@ func Generate(priv crypto.Signer, req *CertificateRequest) (csr []byte, err erro
 	csr = pem.EncodeToMemory(&block)
 	return
 }
+
+// appendCAInfoToCSR appends CAConfig BasicConstraint extension to a CSR
+func appendCAInfoToCSR(reqConf *CAConfig, csr *x509.CertificateRequest) error {
+	pathlen := reqConf.PathLength
+	if pathlen == 0 && !reqConf.PathLenZero {
+		pathlen = -1
+	}
+	val, err := asn1.Marshal(BasicConstraints{true, pathlen})
+
+	if err != nil {
+		return err
+	}
+
+	csr.ExtraExtensions = []pkix.Extension{
+		{
+			Id:       asn1.ObjectIdentifier{2, 5, 29, 19},
+			Value:    val,
+			Critical: true,
+		},
+	}
+
+	return nil
+}

vendor/src/github.com/cloudflare/cfssl/helpers/helpers.go

@@ -6,6 +6,7 @@ import (
 	"bytes"
 	"crypto"
 	"crypto/ecdsa"
+	"crypto/elliptic"
 	"crypto/rsa"
 	"crypto/x509"
 	"encoding/asn1"
@@ -410,7 +411,7 @@ func ParseCSR(in []byte) (csr *x509.CertificateRequest, rest []byte, err error)
 	in = bytes.TrimSpace(in)
 	p, rest := pem.Decode(in)
 	if p != nil {
-		if p.Type != "CERTIFICATE REQUEST" {
+		if p.Type != "NEW CERTIFICATE REQUEST" && p.Type != "CERTIFICATE REQUEST" {
 			return nil, rest, cferr.New(cferr.CSRError, cferr.BadRequest)
 		}
 
@@ -446,28 +447,28 @@ func ParseCSRPEM(csrPEM []byte) (*x509.CertificateRequest, error) {
 	return csrObject, nil
 }
 
-// SignerAlgo returns an X.509 signature algorithm corresponding to
-// the crypto.Hash provided from a crypto.Signer.
-func SignerAlgo(priv crypto.Signer, h crypto.Hash) x509.SignatureAlgorithm {
-	switch priv.Public().(type) {
+// SignerAlgo returns an X.509 signature algorithm from a crypto.Signer.
+func SignerAlgo(priv crypto.Signer) x509.SignatureAlgorithm {
+	switch pub := priv.Public().(type) {
 	case *rsa.PublicKey:
-		switch h {
-		case crypto.SHA512:
+		bitLength := pub.N.BitLen()
+		switch {
+		case bitLength >= 4096:
 			return x509.SHA512WithRSA
-		case crypto.SHA384:
+		case bitLength >= 3072:
 			return x509.SHA384WithRSA
-		case crypto.SHA256:
+		case bitLength >= 2048:
 			return x509.SHA256WithRSA
 		default:
 			return x509.SHA1WithRSA
 		}
 	case *ecdsa.PublicKey:
-		switch h {
-		case crypto.SHA512:
+		switch pub.Curve {
+		case elliptic.P521():
 			return x509.ECDSAWithSHA512
-		case crypto.SHA384:
+		case elliptic.P384():
 			return x509.ECDSAWithSHA384
-		case crypto.SHA256:
+		case elliptic.P256():
 			return x509.ECDSAWithSHA256
 		default:
 			return x509.ECDSAWithSHA1

vendor/src/github.com/cloudflare/cfssl/initca/initca.go

@@ -5,14 +5,10 @@ package initca
 import (
 	"crypto"
 	"crypto/ecdsa"
-	"crypto/elliptic"
-	"crypto/rand"
 	"crypto/rsa"
 	"crypto/x509"
-	"encoding/pem"
 	"errors"
 	"io/ioutil"
-	"net"
 	"time"
 
 	"github.com/cloudflare/cfssl/config"
@@ -47,14 +43,18 @@ func validator(req *csr.CertificateRequest) error {
 
 // New creates a new root certificate from the certificate request.
 func New(req *csr.CertificateRequest) (cert, csrPEM, key []byte, err error) {
+	policy := CAPolicy()
 	if req.CA != nil {
 		if req.CA.Expiry != "" {
-			CAPolicy.Default.ExpiryString = req.CA.Expiry
-			CAPolicy.Default.Expiry, err = time.ParseDuration(req.CA.Expiry)
+			policy.Default.ExpiryString = req.CA.Expiry
+			policy.Default.Expiry, err = time.ParseDuration(req.CA.Expiry)
 		}
 
-		if req.CA.PathLength != 0 {
-			signer.MaxPathLen = req.CA.PathLength
+		signer.MaxPathLen = req.CA.PathLength
+		if req.CA.PathLength != 0 && req.CA.PathLenZero == true {
+			log.Infof("ignore invalid 'pathlenzero' value")
+		} else {
+			signer.MaxPathLenZero = req.CA.PathLenZero
 		}
 	}
 
@@ -77,7 +77,7 @@ func New(req *csr.CertificateRequest) (cert, csrPEM, key []byte, err error) {
 		log.Errorf("failed to create signer: %v", err)
 		return
 	}
-	s.SetPolicy(CAPolicy)
+	s.SetPolicy(policy)
 
 	signReq := signer.SignRequest{Hosts: req.Hosts, Request: string(csrPEM)}
 	cert, err = s.Sign(signReq)
@@ -133,92 +133,35 @@ func RenewFromPEM(caFile, keyFile string) ([]byte, error) {
 
 // NewFromSigner creates a new root certificate from a crypto.Signer.
 func NewFromSigner(req *csr.CertificateRequest, priv crypto.Signer) (cert, csrPEM []byte, err error) {
+	policy := CAPolicy()
 	if req.CA != nil {
 		if req.CA.Expiry != "" {
-			CAPolicy.Default.ExpiryString = req.CA.Expiry
-			CAPolicy.Default.Expiry, err = time.ParseDuration(req.CA.Expiry)
+			policy.Default.ExpiryString = req.CA.Expiry
+			policy.Default.Expiry, err = time.ParseDuration(req.CA.Expiry)
 			if err != nil {
 				return nil, nil, err
 			}
 		}
 
-		if req.CA.PathLength != 0 {
-			signer.MaxPathLen = req.CA.PathLength
-		}
-	}
-
-	var sigAlgo x509.SignatureAlgorithm
-	switch pub := priv.Public().(type) {
-	case *rsa.PublicKey:
-		bitLength := pub.N.BitLen()
-		switch {
-		case bitLength >= 4096:
-			sigAlgo = x509.SHA512WithRSA
-		case bitLength >= 3072:
-			sigAlgo = x509.SHA384WithRSA
-		case bitLength >= 2048:
-			sigAlgo = x509.SHA256WithRSA
-		default:
-			sigAlgo = x509.SHA1WithRSA
-		}
-	case *ecdsa.PublicKey:
-		switch pub.Curve {
-		case elliptic.P521():
-			sigAlgo = x509.ECDSAWithSHA512
-		case elliptic.P384():
-			sigAlgo = x509.ECDSAWithSHA384
-		case elliptic.P256():
-			sigAlgo = x509.ECDSAWithSHA256
-		default:
-			sigAlgo = x509.ECDSAWithSHA1
-		}
-	default:
-		sigAlgo = x509.UnknownSignatureAlgorithm
-	}
-
-	var tpl = x509.CertificateRequest{
-		Subject:            req.Name(),
-		SignatureAlgorithm: sigAlgo,
-	}
-
-	for i := range req.Hosts {
-		if ip := net.ParseIP(req.Hosts[i]); ip != nil {
-			tpl.IPAddresses = append(tpl.IPAddresses, ip)
+		signer.MaxPathLen = req.CA.PathLength
+		if req.CA.PathLength != 0 && req.CA.PathLenZero == true {
+			log.Infof("ignore invalid 'pathlenzero' value")
 		} else {
-			tpl.DNSNames = append(tpl.DNSNames, req.Hosts[i])
+			signer.MaxPathLenZero = req.CA.PathLenZero
 		}
 	}
 
-	return signWithCSR(&tpl, priv)
-}
-
-// signWithCSR creates a new root certificate from signing a X509.CertificateRequest
-// by a crypto.Signer.
-func signWithCSR(tpl *x509.CertificateRequest, priv crypto.Signer) (cert, csrPEM []byte, err error) {
-	csrPEM, err = x509.CreateCertificateRequest(rand.Reader, tpl, priv)
+	csrPEM, err = csr.Generate(priv, req)
 	if err != nil {
-		log.Errorf("failed to generate a CSR: %v", err)
-		// The use of CertificateError was a matter of some
-		// debate; it is the one edge case in which a new
-		// error category specifically for CSRs might be
-		// useful, but it was deemed that one edge case did
-		// not a new category justify.
-		err = cferr.Wrap(cferr.CertificateError, cferr.BadRequest, err)
-		return
-	}
-
-	p := &pem.Block{
-		Type:  "CERTIFICATE REQUEST",
-		Bytes: csrPEM,
+		return nil, nil, err
 	}
-	csrPEM = pem.EncodeToMemory(p)
 
 	s, err := local.NewSigner(priv, nil, signer.DefaultSigAlgo(priv), nil)
 	if err != nil {
 		log.Errorf("failed to create signer: %v", err)
 		return
 	}
-	s.SetPolicy(CAPolicy)
+	s.SetPolicy(policy)
 
 	signReq := signer.SignRequest{Request: string(csrPEM)}
 	cert, err = s.Sign(signReq)
@@ -268,11 +211,13 @@ func RenewFromSigner(ca *x509.Certificate, priv crypto.Signer) ([]byte, error) {
 }
 
 // CAPolicy contains the CA issuing policy as default policy.
-var CAPolicy = &config.Signing{
-	Default: &config.SigningProfile{
-		Usage:        []string{"cert sign", "crl sign"},
-		ExpiryString: "43800h",
-		Expiry:       5 * helpers.OneYear,
-		CA:           true,
-	},
+var CAPolicy = func() *config.Signing {
+	return &config.Signing{
+		Default: &config.SigningProfile{
+			Usage:        []string{"cert sign", "crl sign"},
+			ExpiryString: "43800h",
+			Expiry:       5 * helpers.OneYear,
+			CA:           true,
+		},
+	}
 }

vendor/src/github.com/cloudflare/cfssl/log/log.go

@@ -45,12 +45,12 @@ var Level = LevelInfo
 //
 // SyslogWriter is satisfied by *syslog.Writer.
 type SyslogWriter interface {
-	Debug(string) error
-	Info(string) error
-	Warning(string) error
-	Err(string) error
-	Crit(string) error
-	Emerg(string) error
+	Debug(string)
+	Info(string)
+	Warning(string)
+	Err(string)
+	Crit(string)
+	Emerg(string)
 }
 
 // syslogWriter stores the SetLogger() parameter.
@@ -73,23 +73,19 @@ func init() {
 func print(l int, msg string) {
 	if l >= Level {
 		if syslogWriter != nil {
-			var err error
 			switch l {
 			case LevelDebug:
-				err = syslogWriter.Debug(msg)
+				syslogWriter.Debug(msg)
 			case LevelInfo:
-				err = syslogWriter.Info(msg)
+				syslogWriter.Info(msg)
 			case LevelWarning:
-				err = syslogWriter.Warning(msg)
+				syslogWriter.Warning(msg)
 			case LevelError:
-				err = syslogWriter.Err(msg)
+				syslogWriter.Err(msg)
 			case LevelCritical:
-				err = syslogWriter.Crit(msg)
+				syslogWriter.Crit(msg)
 			case LevelFatal:
-				err = syslogWriter.Emerg(msg)
-			}
-			if err != nil {
-				log.Printf("Unable to write syslog: %v for msg: %s\n", err, msg)
+				syslogWriter.Emerg(msg)
 			}
 		} else {
 			log.Printf("[%s] %s", levelPrefix[l], msg)

vendor/src/github.com/cloudflare/cfssl/signer/local/local.go

@@ -96,7 +96,11 @@ func NewSignerFromFile(caFile, caKeyFile string, policy *config.Signing) (*Signe
 }
 
 func (s *Signer) sign(template *x509.Certificate, profile *config.SigningProfile) (cert []byte, err error) {
+	var distPoints = template.CRLDistributionPoints
 	err = signer.FillTemplate(template, s.policy.Default, profile)
+	if distPoints != nil && len(distPoints) > 0 {
+		template.CRLDistributionPoints = distPoints
+	}
 	if err != nil {
 		return
 	}
@@ -111,9 +115,7 @@ func (s *Signer) sign(template *x509.Certificate, profile *config.SigningProfile
 		template.EmailAddresses = nil
 		s.ca = template
 		initRoot = true
-		template.MaxPathLen = signer.MaxPathLen
 	} else if template.IsCA {
-		template.MaxPathLen = 1
 		template.DNSNames = nil
 		template.EmailAddresses = nil
 	}
@@ -203,7 +205,7 @@ func (s *Signer) Sign(req signer.SignRequest) (cert []byte, err error) {
 		return nil, cferr.New(cferr.CSRError, cferr.DecodeFailed)
 	}
 
-	if block.Type != "CERTIFICATE REQUEST" {
+	if block.Type != "NEW CERTIFICATE REQUEST" && block.Type != "CERTIFICATE REQUEST" {
 		return nil, cferr.Wrap(cferr.CSRError,
 			cferr.BadRequest, errors.New("not a certificate or csr"))
 	}
@@ -243,6 +245,26 @@ func (s *Signer) Sign(req signer.SignRequest) (cert []byte, err error) {
 		}
 	}
 
+	if req.CRLOverride != "" {
+		safeTemplate.CRLDistributionPoints = []string{req.CRLOverride}
+	}
+
+	if safeTemplate.IsCA {
+		if !profile.CA {
+			return nil, cferr.New(cferr.CertificateError, cferr.InvalidRequest)
+		}
+
+		if s.ca != nil && s.ca.MaxPathLen > 0 {
+			if safeTemplate.MaxPathLen >= s.ca.MaxPathLen {
+				// do not sign a cert with pathlen > current
+				return nil, cferr.New(cferr.CertificateError, cferr.InvalidRequest)
+			}
+		} else if s.ca != nil && s.ca.MaxPathLen == 0 && s.ca.MaxPathLenZero {
+			// signer has pathlen of 0, do not sign more intermediate CAs
+			return nil, cferr.New(cferr.CertificateError, cferr.InvalidRequest)
+		}
+	}
+
 	OverrideHosts(&safeTemplate, req.Hosts)
 	safeTemplate.Subject = PopulateSubjectFromCSR(req.Subject, safeTemplate.Subject)
 

vendor/src/github.com/cloudflare/cfssl/signer/signer.go

@@ -26,6 +26,9 @@ import (
 // MaxPathLen is the default path length for a new CA certificate.
 var MaxPathLen = 2
 
+// MaxPathLenZero indicates whether a new CA certificate has pathlen=0
+var MaxPathLenZero = false
+
 // Subject contains the information that should be used to override the
 // subject information when signing a certificate.
 type Subject struct {
@@ -50,13 +53,14 @@ type Extension struct {
 // Extensions requested in the CSR are ignored, except for those processed by
 // ParseCertificateRequest (mainly subjectAltName).
 type SignRequest struct {
-	Hosts      []string    `json:"hosts"`
-	Request    string      `json:"certificate_request"`
-	Subject    *Subject    `json:"subject,omitempty"`
-	Profile    string      `json:"profile"`
-	Label      string      `json:"label"`
-	Serial     *big.Int    `json:"serial,omitempty"`
-	Extensions []Extension `json:"extensions,omitempty"`
+	Hosts       []string    `json:"hosts"`
+	Request     string      `json:"certificate_request"`
+	Subject     *Subject    `json:"subject,omitempty"`
+	Profile     string      `json:"profile"`
+	CRLOverride string      `json:"crl_override"`
+	Label       string      `json:"label"`
+	Serial      *big.Int    `json:"serial,omitempty"`
+	Extensions  []Extension `json:"extensions,omitempty"`
 }
 
 // appendIf appends to a if s is not an empty string.
@@ -157,26 +161,46 @@ func DefaultSigAlgo(priv crypto.Signer) x509.SignatureAlgorithm {
 // ParseCertificateRequest takes an incoming certificate request and
 // builds a certificate template from it.
 func ParseCertificateRequest(s Signer, csrBytes []byte) (template *x509.Certificate, err error) {
-	csr, err := x509.ParseCertificateRequest(csrBytes)
+	csrv, err := x509.ParseCertificateRequest(csrBytes)
 	if err != nil {
 		err = cferr.Wrap(cferr.CSRError, cferr.ParseFailed, err)
 		return
 	}
 
-	err = helpers.CheckSignature(csr, csr.SignatureAlgorithm, csr.RawTBSCertificateRequest, csr.Signature)
+	err = helpers.CheckSignature(csrv, csrv.SignatureAlgorithm, csrv.RawTBSCertificateRequest, csrv.Signature)
 	if err != nil {
 		err = cferr.Wrap(cferr.CSRError, cferr.KeyMismatch, err)
 		return
 	}
 
 	template = &x509.Certificate{
-		Subject:            csr.Subject,
-		PublicKeyAlgorithm: csr.PublicKeyAlgorithm,
-		PublicKey:          csr.PublicKey,
+		Subject:            csrv.Subject,
+		PublicKeyAlgorithm: csrv.PublicKeyAlgorithm,
+		PublicKey:          csrv.PublicKey,
 		SignatureAlgorithm: s.SigAlgo(),
-		DNSNames:           csr.DNSNames,
-		IPAddresses:        csr.IPAddresses,
-		EmailAddresses:     csr.EmailAddresses,
+		DNSNames:           csrv.DNSNames,
+		IPAddresses:        csrv.IPAddresses,
+		EmailAddresses:     csrv.EmailAddresses,
+	}
+
+	for _, val := range csrv.Extensions {
+		// Check the CSR for the X.509 BasicConstraints (RFC 5280, 4.2.1.9)
+		// extension and append to template if necessary
+		if val.Id.Equal(asn1.ObjectIdentifier{2, 5, 29, 19}) {
+			var constraints csr.BasicConstraints
+			var rest []byte
+
+			if rest, err = asn1.Unmarshal(val.Value, &constraints); err != nil {
+				return nil, cferr.Wrap(cferr.CSRError, cferr.ParseFailed, err)
+			} else if len(rest) != 0 {
+				return nil, cferr.Wrap(cferr.CSRError, cferr.ParseFailed, errors.New("x509: trailing data after X.509 BasicConstraints"))
+			}
+
+			template.BasicConstraintsValid = true
+			template.IsCA = constraints.IsCA
+			template.MaxPathLen = constraints.MaxPathLen
+			template.MaxPathLenZero = template.MaxPathLen == 0
+		}
 	}
 
 	return
@@ -222,6 +246,7 @@ func FillTemplate(template *x509.Certificate, defaultProfile, profile *config.Si
 		notBefore       time.Time
 		notAfter        time.Time
 		crlURL, ocspURL string
+		issuerURL       = profile.IssuerURL
 	)
 
 	// The third value returned from Usages is a list of unknown key usages.
@@ -229,7 +254,7 @@ func FillTemplate(template *x509.Certificate, defaultProfile, profile *config.Si
 	// here.
 	ku, eku, _ = profile.Usages()
 	if profile.IssuerURL == nil {
-		profile.IssuerURL = defaultProfile.IssuerURL
+		issuerURL = defaultProfile.IssuerURL
 	}
 
 	if ku == 0 && len(eku) == 0 {
@@ -279,8 +304,8 @@ func FillTemplate(template *x509.Certificate, defaultProfile, profile *config.Si
 		template.CRLDistributionPoints = []string{crlURL}
 	}
 
-	if len(profile.IssuerURL) != 0 {
-		template.IssuingCertificateURL = profile.IssuerURL
+	if len(issuerURL) != 0 {
+		template.IssuingCertificateURL = issuerURL
 	}
 	if len(profile.Policies) != 0 {
 		err = addPolicies(template, profile.Policies)

vendor/src/github.com/docker/engine-api/client/container_inspect.go

@@ -27,7 +27,7 @@ func (cli *Client) ContainerInspect(ctx context.Context, containerID string) (ty
 	return response, err
 }
 
-// ContainerInspectWithRaw returns the container information and it's raw representation.
+// ContainerInspectWithRaw returns the container information and its raw representation.
 func (cli *Client) ContainerInspectWithRaw(ctx context.Context, containerID string, getSize bool) (types.ContainerJSON, []byte, error) {
 	query := url.Values{}
 	if getSize {

vendor/src/github.com/docker/engine-api/client/errors.go

@@ -131,6 +131,11 @@ func (e nodeNotFoundError) Error() string {
 	return fmt.Sprintf("Error: No such node: %s", e.nodeID)
 }
 
+// NoFound indicates that this error type is of NotFound
+func (e nodeNotFoundError) NotFound() bool {
+	return true
+}
+
 // IsErrNodeNotFound returns true if the error is caused
 // when a node is not found.
 func IsErrNodeNotFound(err error) bool {
@@ -148,6 +153,11 @@ func (e serviceNotFoundError) Error() string {
 	return fmt.Sprintf("Error: No such service: %s", e.serviceID)
 }
 
+// NoFound indicates that this error type is of NotFound
+func (e serviceNotFoundError) NotFound() bool {
+	return true
+}
+
 // IsErrServiceNotFound returns true if the error is caused
 // when a service is not found.
 func IsErrServiceNotFound(err error) bool {
@@ -165,6 +175,11 @@ func (e taskNotFoundError) Error() string {
 	return fmt.Sprintf("Error: No such task: %s", e.taskID)
 }
 
+// NoFound indicates that this error type is of NotFound
+func (e taskNotFoundError) NotFound() bool {
+	return true
+}
+
 // IsErrTaskNotFound returns true if the error is caused
 // when a task is not found.
 func IsErrTaskNotFound(err error) bool {

vendor/src/github.com/docker/engine-api/client/interface.go

@@ -92,7 +92,7 @@ type NetworkAPIClient interface {
 
 // NodeAPIClient defines API client methods for the nodes
 type NodeAPIClient interface {
-	NodeInspect(ctx context.Context, nodeID string) (swarm.Node, error)
+	NodeInspectWithRaw(ctx context.Context, nodeID string) (swarm.Node, []byte, error)
 	NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error)
 	NodeRemove(ctx context.Context, nodeID string) error
 	NodeUpdate(ctx context.Context, nodeID string, version swarm.Version, node swarm.NodeSpec) error

vendor/src/github.com/docker/engine-api/client/network_inspect.go

@@ -16,7 +16,7 @@ func (cli *Client) NetworkInspect(ctx context.Context, networkID string) (types.
 	return networkResource, err
 }
 
-// NetworkInspectWithRaw returns the information for a specific network configured in the docker host and it's raw representation.
+// NetworkInspectWithRaw returns the information for a specific network configured in the docker host and its raw representation.
 func (cli *Client) NetworkInspectWithRaw(ctx context.Context, networkID string) (types.NetworkResource, []byte, error) {
 	var networkResource types.NetworkResource
 	resp, err := cli.get(ctx, "/networks/"+networkID, nil, nil)

vendor/src/github.com/docker/engine-api/client/node_inspect.go

@@ -1,25 +1,33 @@
 package client
 
 import (
+	"bytes"
 	"encoding/json"
+	"io/ioutil"
 	"net/http"
 
 	"github.com/docker/engine-api/types/swarm"
 	"golang.org/x/net/context"
 )
 
-// NodeInspect returns the node information.
-func (cli *Client) NodeInspect(ctx context.Context, nodeID string) (swarm.Node, error) {
+// NodeInspectWithRaw returns the node information.
+func (cli *Client) NodeInspectWithRaw(ctx context.Context, nodeID string) (swarm.Node, []byte, error) {
 	serverResp, err := cli.get(ctx, "/nodes/"+nodeID, nil, nil)
 	if err != nil {
 		if serverResp.statusCode == http.StatusNotFound {
-			return swarm.Node{}, nodeNotFoundError{nodeID}
+			return swarm.Node{}, nil, nodeNotFoundError{nodeID}
 		}
-		return swarm.Node{}, err
+		return swarm.Node{}, nil, err
+	}
+	defer ensureReaderClosed(serverResp)
+
+	body, err := ioutil.ReadAll(serverResp.body)
+	if err != nil {
+		return swarm.Node{}, nil, err
 	}
 
 	var response swarm.Node
-	err = json.NewDecoder(serverResp.body).Decode(&response)
-	ensureReaderClosed(serverResp)
-	return response, err
+	rdr := bytes.NewReader(body)
+	err = json.NewDecoder(rdr).Decode(&response)
+	return response, body, err
 }

vendor/src/github.com/docker/engine-api/client/plugin_install.go

@@ -31,6 +31,7 @@ func (cli *Client) PluginInstall(ctx context.Context, name string, options types
 	}
 	var privileges types.PluginPrivileges
 	if err := json.NewDecoder(resp.body).Decode(&privileges); err != nil {
+		ensureReaderClosed(resp)
 		return err
 	}
 	ensureReaderClosed(resp)

vendor/src/github.com/docker/engine-api/client/volume_inspect.go

@@ -16,7 +16,7 @@ func (cli *Client) VolumeInspect(ctx context.Context, volumeID string) (types.Vo
 	return volume, err
 }
 
-// VolumeInspectWithRaw returns the information about a specific volume in the docker host and it's raw representation
+// VolumeInspectWithRaw returns the information about a specific volume in the docker host and its raw representation
 func (cli *Client) VolumeInspectWithRaw(ctx context.Context, volumeID string) (types.Volume, []byte, error) {
 	var volume types.Volume
 	resp, err := cli.get(ctx, "/volumes/"+volumeID, nil, nil)

vendor/src/github.com/docker/engine-api/types/swarm/container.go

@@ -54,7 +54,7 @@ const (
 	MountPropagationSlave MountPropagation = "slave"
 )
 
-// BindOptions define options specific to mounts of type "bind".
+// BindOptions defines options specific to mounts of type "bind".
 type BindOptions struct {
 	Propagation MountPropagation `json:",omitempty"`
 }

vendor/src/github.com/docker/engine-api/types/swarm/service.go

@@ -15,7 +15,7 @@ type ServiceSpec struct {
 	Annotations
 
 	// TaskTemplate defines how the service should construct new tasks when
-	// ochestrating this service.
+	// orchestrating this service.
 	TaskTemplate TaskSpec                  `json:",omitempty"`
 	Mode         ServiceMode               `json:",omitempty"`
 	UpdateConfig *UpdateConfig             `json:",omitempty"`

vendor/src/github.com/docker/engine-api/types/swarm/swarm.go

@@ -32,7 +32,7 @@ type Policy struct {
 	Secret     *string `json:",omitempty"`
 }
 
-// OrchestrationConfig represents ochestration configuration.
+// OrchestrationConfig represents orchestration configuration.
 type OrchestrationConfig struct {
 	TaskHistoryRetentionLimit int64 `json:",omitempty"`
 }
@@ -54,6 +54,20 @@ type DispatcherConfig struct {
 // CAConfig represents CA configuration.
 type CAConfig struct {
 	NodeCertExpiry time.Duration `json:",omitempty"`
+	ExternalCAs    []*ExternalCA `json:",omitempty"`
+}
+
+// ExternalCAProtocol represents type of external CA.
+type ExternalCAProtocol string
+
+// ExternalCAProtocolCFSSL CFSSL
+const ExternalCAProtocolCFSSL ExternalCAProtocol = "cfssl"
+
+// ExternalCA defines external CA to be used by the cluster.
+type ExternalCA struct {
+	Protocol ExternalCAProtocol
+	URL      string
+	Options  map[string]string `json:",omitempty"`
 }
 
 // InitRequest is the request used to init a swarm.

vendor/src/github.com/docker/engine-api/types/types.go

@@ -504,10 +504,6 @@ type Checkpoint struct {
 	Name string // Name is the name of the checkpoint
 }
 
-// DefaultRuntimeName is the reserved name/alias used to represent the
-// OCI runtime being shipped with the docker daemon package.
-var DefaultRuntimeName = "default"
-
 // Runtime describes an OCI runtime
 type Runtime struct {
 	Path string   `json:"path"`

vendor/src/github.com/docker/libnetwork/agent.go

@@ -102,7 +102,7 @@ func (c *controller) handleKeyChange(keys []*types.EncryptionKey) error {
 				deleted = cKey.Key
 			}
 
-			if cKey.Subsystem == subsysGossip /* subsysIPSec */ {
+			if cKey.Subsystem == subsysIPSec {
 				drvEnc.Prune = cKey.Key
 				drvEnc.PruneTag = cKey.LamportTime
 			}
@@ -128,7 +128,7 @@ func (c *controller) handleKeyChange(keys []*types.EncryptionKey) error {
 				a.networkDB.SetKey(key.Key)
 			}
 
-			if key.Subsystem == subsysGossip /*subsysIPSec*/ {
+			if key.Subsystem == subsysIPSec {
 				drvEnc.Key = key.Key
 				drvEnc.Tag = key.LamportTime
 			}
@@ -138,7 +138,7 @@ func (c *controller) handleKeyChange(keys []*types.EncryptionKey) error {
 	key, tag := c.getPrimaryKeyTag(subsysGossip)
 	a.networkDB.SetPrimaryKey(key)
 
-	//key, tag = c.getPrimaryKeyTag(subsysIPSec)
+	key, tag = c.getPrimaryKeyTag(subsysIPSec)
 	drvEnc.Primary = key
 	drvEnc.PrimaryTag = tag
 
@@ -317,17 +317,12 @@ func (c *controller) agentInit(bindAddrOrInterface string) error {
 		return nil
 	}
 
-	drvEnc := discoverapi.DriverEncryptionConfig{}
-
-	keys, tags := c.getKeys(subsysGossip) // getKeys(subsysIPSec)
-	drvEnc.Keys = keys
-	drvEnc.Tags = tags
-
 	bindAddr, err := resolveAddr(bindAddrOrInterface)
 	if err != nil {
 		return err
 	}
 
+	keys, tags := c.getKeys(subsysGossip)
 	hostname, _ := os.Hostname()
 	nDB, err := networkdb.New(&networkdb.Config{
 		BindAddr: bindAddr,
@@ -350,6 +345,11 @@ func (c *controller) agentInit(bindAddrOrInterface string) error {
 
 	go c.handleTableEvents(ch, c.handleEpTableEvent)
 
+	drvEnc := discoverapi.DriverEncryptionConfig{}
+	keys, tags = c.getKeys(subsysIPSec)
+	drvEnc.Keys = keys
+	drvEnc.Tags = tags
+
 	c.drvRegistry.WalkDrivers(func(name string, driver driverapi.Driver, capability driverapi.Capability) bool {
 		err := driver.DiscoverNew(discoverapi.EncryptionKeysConfig, drvEnc)
 		if err != nil {
@@ -380,7 +380,7 @@ func (c *controller) agentDriverNotify(d driverapi.Driver) {
 	})
 
 	drvEnc := discoverapi.DriverEncryptionConfig{}
-	keys, tags := c.getKeys(subsysGossip) // getKeys(subsysIPSec)
+	keys, tags := c.getKeys(subsysIPSec)
 	drvEnc.Keys = keys
 	drvEnc.Tags = tags
 

vendor/src/github.com/docker/libnetwork/controller.go

@@ -144,7 +144,7 @@ type controller struct {
 	unWatchCh              chan *endpoint
 	svcRecords             map[string]svcInfo
 	nmap                   map[string]*netWatch
-	serviceBindings        map[string]*service
+	serviceBindings        map[serviceKey]*service
 	defOsSbox              osl.Sandbox
 	ingressSandbox         *sandbox
 	sboxOnce               sync.Once
@@ -167,7 +167,7 @@ func New(cfgOptions ...config.Option) (NetworkController, error) {
 		cfg:             config.ParseConfigOptions(cfgOptions...),
 		sandboxes:       sandboxTable{},
 		svcRecords:      make(map[string]svcInfo),
-		serviceBindings: make(map[string]*service),
+		serviceBindings: make(map[serviceKey]*service),
 		agentInitDone:   make(chan struct{}),
 	}
 

vendor/src/github.com/docker/libnetwork/datastore/datastore.go

@@ -54,11 +54,12 @@ var (
 )
 
 type datastore struct {
-	scope   string
-	store   store.Store
-	cache   *cache
-	watchCh chan struct{}
-	active  bool
+	scope      string
+	store      store.Store
+	cache      *cache
+	watchCh    chan struct{}
+	active     bool
+	sequential bool
 	sync.Mutex
 }
 
@@ -190,6 +191,10 @@ func newClient(scope string, kv string, addr string, config *store.Config, cache
 	if cached && scope != LocalScope {
 		return nil, fmt.Errorf("caching supported only for scope %s", LocalScope)
 	}
+	sequential := false
+	if scope == LocalScope {
+		sequential = true
+	}
 
 	if config == nil {
 		config = &store.Config{}
@@ -216,7 +221,7 @@ func newClient(scope string, kv string, addr string, config *store.Config, cache
 		return nil, err
 	}
 
-	ds := &datastore{scope: scope, store: store, active: true, watchCh: make(chan struct{})}
+	ds := &datastore{scope: scope, store: store, active: true, watchCh: make(chan struct{}), sequential: sequential}
 	if cached {
 		ds.cache = newCache(ds)
 	}
@@ -375,8 +380,10 @@ func (ds *datastore) PutObjectAtomic(kvObject KVObject) error {
 		pair     *store.KVPair
 		err      error
 	)
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	if kvObject == nil {
 		return types.BadRequestErrorf("invalid KV Object : nil")
@@ -420,8 +427,10 @@ add_cache:
 
 // PutObject adds a new Record based on an object into the datastore
 func (ds *datastore) PutObject(kvObject KVObject) error {
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	if kvObject == nil {
 		return types.BadRequestErrorf("invalid KV Object : nil")
@@ -456,8 +465,10 @@ func (ds *datastore) putObjectWithKey(kvObject KVObject, key ...string) error {
 
 // GetObject returns a record matching the key
 func (ds *datastore) GetObject(key string, o KVObject) error {
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	if ds.cache != nil {
 		return ds.cache.get(key, o)
@@ -490,8 +501,10 @@ func (ds *datastore) ensureParent(parent string) error {
 }
 
 func (ds *datastore) List(key string, kvObject KVObject) ([]KVObject, error) {
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	if ds.cache != nil {
 		return ds.cache.list(kvObject)
@@ -536,8 +549,10 @@ func (ds *datastore) List(key string, kvObject KVObject) ([]KVObject, error) {
 
 // DeleteObject unconditionally deletes a record from the store
 func (ds *datastore) DeleteObject(kvObject KVObject) error {
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	// cleaup the cache first
 	if ds.cache != nil {
@@ -555,8 +570,10 @@ func (ds *datastore) DeleteObject(kvObject KVObject) error {
 
 // DeleteObjectAtomic performs atomic delete on a record
 func (ds *datastore) DeleteObjectAtomic(kvObject KVObject) error {
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	if kvObject == nil {
 		return types.BadRequestErrorf("invalid KV Object : nil")
@@ -588,8 +605,10 @@ del_cache:
 
 // DeleteTree unconditionally deletes a record from the store
 func (ds *datastore) DeleteTree(kvObject KVObject) error {
-	ds.Lock()
-	defer ds.Unlock()
+	if ds.sequential {
+		ds.Lock()
+		defer ds.Unlock()
+	}
 
 	// cleaup the cache first
 	if ds.cache != nil {

vendor/src/github.com/docker/libnetwork/drivers/bridge/bridge.go

@@ -1020,7 +1020,7 @@ func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo,
 	}
 
 	if err = d.storeUpdate(endpoint); err != nil {
-		return fmt.Errorf("failed to save bridge endpoint %s to store: %v", ep.id[0:7], err)
+		return fmt.Errorf("failed to save bridge endpoint %s to store: %v", endpoint.id[0:7], err)
 	}
 
 	return nil

vendor/src/github.com/docker/libnetwork/drivers/bridge/errors.go

@@ -183,7 +183,7 @@ func (ieie InvalidEndpointIDError) BadRequest() {}
 type InvalidSandboxIDError string
 
 func (isie InvalidSandboxIDError) Error() string {
-	return fmt.Sprintf("invalid sanbox id: %s", string(isie))
+	return fmt.Sprintf("invalid sandbox id: %s", string(isie))
 }
 
 // BadRequest denotes the type of this error

vendor/src/github.com/docker/libnetwork/drivers/overlay/ovmanager/ovmanager.go

@@ -2,7 +2,6 @@ package ovmanager
 
 import (
 	"fmt"
-	"log"
 	"net"
 	"strconv"
 	"strings"
@@ -20,7 +19,7 @@ import (
 const (
 	networkType  = "overlay"
 	vxlanIDStart = 256
-	vxlanIDEnd   = 1000
+	vxlanIDEnd   = (1 << 24) - 1
 )
 
 type networkTable map[string]*network
@@ -111,7 +110,8 @@ func (d *driver) NetworkAllocate(id string, option map[string]string, ipV4Data,
 		}
 
 		if err := n.obtainVxlanID(s); err != nil {
-			log.Printf("Could not obtain vxlan id for pool %s: %v", s.subnetIP, err)
+			n.releaseVxlanID()
+			return nil, fmt.Errorf("could not obtain vxlan id for pool %s: %v", s.subnetIP, err)
 		}
 
 		n.subnets = append(n.subnets, s)

vendor/src/github.com/docker/libnetwork/drivers/remote/driver.go

@@ -294,7 +294,7 @@ func (d *driver) Type() string {
 // DiscoverNew is a notification for a new discovery event, such as a new node joining a cluster
 func (d *driver) DiscoverNew(dType discoverapi.DiscoveryType, data interface{}) error {
 	if dType != discoverapi.NodeDiscovery {
-		return fmt.Errorf("Unknown discovery type : %v", dType)
+		return nil
 	}
 	notif := &api.DiscoveryNotification{
 		DiscoveryType: dType,
@@ -306,7 +306,7 @@ func (d *driver) DiscoverNew(dType discoverapi.DiscoveryType, data interface{})
 // DiscoverDelete is a notification for a discovery delete event, such as a node leaving a cluster
 func (d *driver) DiscoverDelete(dType discoverapi.DiscoveryType, data interface{}) error {
 	if dType != discoverapi.NodeDiscovery {
-		return fmt.Errorf("Unknown discovery type : %v", dType)
+		return nil
 	}
 	notif := &api.DiscoveryNotification{
 		DiscoveryType: dType,

vendor/src/github.com/docker/libnetwork/endpoint.go

@@ -722,18 +722,6 @@ func (ep *endpoint) sbLeave(sb *sandbox, force bool, options ...EndpointOption)
 	return nil
 }
 
-func (n *network) validateForceDelete(locator string) error {
-	if n.Scope() == datastore.LocalScope {
-		return nil
-	}
-
-	if locator == "" {
-		return fmt.Errorf("invalid endpoint locator identifier")
-	}
-
-	return nil
-}
-
 func (ep *endpoint) Delete(force bool) error {
 	var err error
 	n, err := ep.getNetworkFromStore()
@@ -750,15 +738,8 @@ func (ep *endpoint) Delete(force bool) error {
 	epid := ep.id
 	name := ep.name
 	sbid := ep.sandboxID
-	locator := ep.locator
 	ep.Unlock()
 
-	if force {
-		if err = n.validateForceDelete(locator); err != nil {
-			return fmt.Errorf("unable to force delete endpoint %s: %v", name, err)
-		}
-	}
-
 	sb, _ := n.getController().SandboxByID(sbid)
 	if sb != nil && !force {
 		return &ActiveContainerError{name: name, id: epid}

vendor/src/github.com/docker/libnetwork/osl/route_linux.go

@@ -83,17 +83,29 @@ func (n *networkNamespace) programGateway(gw net.IP, isAdd bool) error {
 		return fmt.Errorf("route for the gateway %s could not be found: %v", gw, err)
 	}
 
+	var linkIndex int
+	for _, gwRoute := range gwRoutes {
+		if gwRoute.Gw == nil {
+			linkIndex = gwRoute.LinkIndex
+			break
+		}
+	}
+
+	if linkIndex == 0 {
+		return fmt.Errorf("Direct route for the gateway %s could not be found", gw)
+	}
+
 	if isAdd {
 		return n.nlHandle.RouteAdd(&netlink.Route{
 			Scope:     netlink.SCOPE_UNIVERSE,
-			LinkIndex: gwRoutes[0].LinkIndex,
+			LinkIndex: linkIndex,
 			Gw:        gw,
 		})
 	}
 
 	return n.nlHandle.RouteDel(&netlink.Route{
 		Scope:     netlink.SCOPE_UNIVERSE,
-		LinkIndex: gwRoutes[0].LinkIndex,
+		LinkIndex: linkIndex,
 		Gw:        gw,
 	})
 }

vendor/src/github.com/docker/libnetwork/service.go

@@ -1,6 +1,7 @@
 package libnetwork
 
 import (
+	"fmt"
 	"net"
 	"sync"
 )
@@ -12,6 +13,27 @@ var (
 	fwMarkCtrMu sync.Mutex
 )
 
+type portConfigs []*PortConfig
+
+func (p portConfigs) String() string {
+	if len(p) == 0 {
+		return ""
+	}
+
+	pc := p[0]
+	str := fmt.Sprintf("%d:%d/%s", pc.PublishedPort, pc.TargetPort, PortConfig_Protocol_name[int32(pc.Protocol)])
+	for _, pc := range p[1:] {
+		str = str + fmt.Sprintf(",%d:%d/%s", pc.PublishedPort, pc.TargetPort, PortConfig_Protocol_name[int32(pc.Protocol)])
+	}
+
+	return str
+}
+
+type serviceKey struct {
+	id    string
+	ports string
+}
+
 type service struct {
 	name string // Service Name
 	id   string // Service ID
@@ -21,7 +43,7 @@ type service struct {
 	loadBalancers map[string]*loadBalancer
 
 	// List of ingress ports exposed by the service
-	ingressPorts []*PortConfig
+	ingressPorts portConfigs
 
 	sync.Mutex
 }

vendor/src/github.com/docker/libnetwork/service_linux.go

@@ -48,13 +48,18 @@ func (c *controller) addServiceBinding(name, sid, nid, eid string, vip net.IP, i
 		return err
 	}
 
+	skey := serviceKey{
+		id:    sid,
+		ports: portConfigs(ingressPorts).String(),
+	}
+
 	c.Lock()
-	s, ok := c.serviceBindings[sid]
+	s, ok := c.serviceBindings[skey]
 	if !ok {
 		// Create a new service if we are seeing this service
 		// for the first time.
 		s = newService(name, sid, ingressPorts)
-		c.serviceBindings[sid] = s
+		c.serviceBindings[skey] = s
 	}
 	c.Unlock()
 
@@ -121,8 +126,13 @@ func (c *controller) rmServiceBinding(name, sid, nid, eid string, vip net.IP, in
 		return err
 	}
 
+	skey := serviceKey{
+		id:    sid,
+		ports: portConfigs(ingressPorts).String(),
+	}
+
 	c.Lock()
-	s, ok := c.serviceBindings[sid]
+	s, ok := c.serviceBindings[skey]
 	if !ok {
 		c.Unlock()
 		return nil
@@ -135,22 +145,19 @@ func (c *controller) rmServiceBinding(name, sid, nid, eid string, vip net.IP, in
 		n.(*network).deleteSvcRecords("tasks."+alias, ip, nil, false)
 	}
 
-	// Make sure to remove the right IP since if vip is
-	// not valid we would have added a DNS RR record.
-	svcIP := vip
-	if len(svcIP) == 0 {
-		svcIP = ip
-	}
-	n.(*network).deleteSvcRecords(name, svcIP, nil, false)
-	for _, alias := range aliases {
-		n.(*network).deleteSvcRecords(alias, svcIP, nil, false)
+	// If we are doing DNS RR add the endpoint IP to DNS record
+	// right away.
+	if len(vip) == 0 {
+		n.(*network).deleteSvcRecords(name, ip, nil, false)
+		for _, alias := range aliases {
+			n.(*network).deleteSvcRecords(alias, ip, nil, false)
+		}
 	}
 
 	s.Lock()
-	defer s.Unlock()
-
 	lb, ok := s.loadBalancers[nid]
 	if !ok {
+		s.Unlock()
 		return nil
 	}
 
@@ -167,7 +174,7 @@ func (c *controller) rmServiceBinding(name, sid, nid, eid string, vip net.IP, in
 	if len(s.loadBalancers) == 0 {
 		// All loadbalancers for the service removed. Time to
 		// remove the service itself.
-		delete(c.serviceBindings, sid)
+		delete(c.serviceBindings, skey)
 	}
 
 	// Remove loadbalancer service(if needed) and backend in all
@@ -175,6 +182,15 @@ func (c *controller) rmServiceBinding(name, sid, nid, eid string, vip net.IP, in
 	if len(vip) != 0 {
 		n.(*network).rmLBBackend(ip, vip, lb.fwMark, ingressPorts, rmService)
 	}
+	s.Unlock()
+
+	// Remove the DNS record for VIP only if we are removing the service
+	if rmService && len(vip) != 0 {
+		n.(*network).deleteSvcRecords(name, vip, nil, false)
+		for _, alias := range aliases {
+			n.(*network).deleteSvcRecords(alias, vip, nil, false)
+		}
+	}
 
 	return nil
 }
@@ -314,7 +330,7 @@ func (sb *sandbox) addLBBackend(ip, vip net.IP, fwMark uint32, ingressPorts []*P
 	if addService {
 		var iPorts []*PortConfig
 		if sb.ingress {
-			iPorts = ingressPorts
+			iPorts = filterPortConfigs(ingressPorts, false)
 			if err := programIngress(gwIP, iPorts, false); err != nil {
 				logrus.Errorf("Failed to add ingress: %v", err)
 				return
@@ -383,7 +399,7 @@ func (sb *sandbox) rmLBBackend(ip, vip net.IP, fwMark uint32, ingressPorts []*Po
 
 		var iPorts []*PortConfig
 		if sb.ingress {
-			iPorts = ingressPorts
+			iPorts = filterPortConfigs(ingressPorts, true)
 			if err := programIngress(gwIP, iPorts, true); err != nil {
 				logrus.Errorf("Failed to delete ingress: %v", err)
 			}
@@ -401,8 +417,47 @@ var (
 	ingressOnce     sync.Once
 	ingressProxyMu  sync.Mutex
 	ingressProxyTbl = make(map[string]io.Closer)
+	portConfigMu    sync.Mutex
+	portConfigTbl   = make(map[PortConfig]int)
 )
 
+func filterPortConfigs(ingressPorts []*PortConfig, isDelete bool) []*PortConfig {
+	portConfigMu.Lock()
+	iPorts := make([]*PortConfig, 0, len(ingressPorts))
+	for _, pc := range ingressPorts {
+		if isDelete {
+			if cnt, ok := portConfigTbl[*pc]; ok {
+				// This is the last reference to this
+				// port config. Delete the port config
+				// and add it to filtered list to be
+				// plumbed.
+				if cnt == 1 {
+					delete(portConfigTbl, *pc)
+					iPorts = append(iPorts, pc)
+					continue
+				}
+
+				portConfigTbl[*pc] = cnt - 1
+			}
+
+			continue
+		}
+
+		if cnt, ok := portConfigTbl[*pc]; ok {
+			portConfigTbl[*pc] = cnt + 1
+			continue
+		}
+
+		// We are adding it for the first time. Add it to the
+		// filter list to be plumbed.
+		portConfigTbl[*pc] = 1
+		iPorts = append(iPorts, pc)
+	}
+	portConfigMu.Unlock()
+
+	return iPorts
+}
+
 func programIngress(gwIP net.IP, ingressPorts []*PortConfig, isDelete bool) error {
 	addDelOpt := "-I"
 	if isDelete {

vendor/src/github.com/docker/swarmkit/agent/agent.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"math/rand"
 	"reflect"
-	"sync"
 	"time"
 
 	"github.com/docker/swarmkit/api"
@@ -37,7 +36,6 @@ type Agent struct {
 	stopped chan struct{} // requests shutdown
 	closed  chan struct{} // only closed in run
 	err     error         // read only after closed is closed
-	mu      sync.Mutex
 }
 
 // New returns a new agent, ready for task dispatch.

vendor/src/github.com/docker/swarmkit/agent/exec/controller.go

@@ -55,7 +55,7 @@ type ContainerStatuser interface {
 // correct status depending on the tasks current state according to the result.
 //
 // Unlike Do, if an error is returned, the status should still be reported. The
-// error merely reports the
+// error merely reports the failure at getting the controller.
 func Resolve(ctx context.Context, task *api.Task, executor Executor) (Controller, *api.TaskStatus, error) {
 	status := task.Status.Copy()
 

vendor/src/github.com/docker/swarmkit/agent/exec/executor.go

@@ -10,7 +10,7 @@ type Executor interface {
 	// Describe returns the underlying node description.
 	Describe(ctx context.Context) (*api.NodeDescription, error)
 
-	// Configure uses the node object state to propogate node
+	// Configure uses the node object state to propagate node
 	// state to the underlying executor.
 	Configure(ctx context.Context, node *api.Node) error
 

vendor/src/github.com/docker/swarmkit/agent/node.go

@@ -49,6 +49,10 @@ type NodeConfig struct {
 	// Secret to be used on the first certificate request.
 	Secret string
 
+	// ExternalCAs is a list of CAs to which a manager node
+	// will make certificate signing requests for node certificates.
+	ExternalCAs []*api.ExternalCA
+
 	// ForceNewCluster creates a new cluster from current raft state.
 	ForceNewCluster bool
 
@@ -81,7 +85,6 @@ type Node struct {
 	config               *NodeConfig
 	remotes              *persistentRemotes
 	role                 string
-	roleCond             *sync.Cond
 	conn                 *grpc.ClientConn
 	connCond             *sync.Cond
 	nodeID               string
@@ -95,6 +98,7 @@ type Node struct {
 	agent                *Agent
 	manager              *manager.Manager
 	roleChangeReq        chan api.NodeRole // used to send role updates from the dispatcher api on promotion/demotion
+	managerRoleCh        chan struct{}
 }
 
 // NewNode returns new Node instance.
@@ -124,8 +128,8 @@ func NewNode(c *NodeConfig) (*Node, error) {
 		ready:                make(chan struct{}),
 		certificateRequested: make(chan struct{}),
 		roleChangeReq:        make(chan api.NodeRole, 1),
+		managerRoleCh:        make(chan struct{}, 32), // 32 just for the case
 	}
-	n.roleCond = sync.NewCond(n.RLocker())
 	n.connCond = sync.NewCond(n.RLocker())
 	if err := n.loadCertificates(); err != nil {
 		return nil, err
@@ -174,6 +178,8 @@ func (n *Node) run(ctx context.Context) (err error) {
 		}
 	}()
 
+	// NOTE: When this node is created by NewNode(), our nodeID is set if
+	// n.loadCertificates() succeeded in loading TLS credentials.
 	if n.config.JoinAddr == "" && n.nodeID == "" {
 		if err := n.bootstrapCA(); err != nil {
 			return err
@@ -234,6 +240,10 @@ func (n *Node) run(ctx context.Context) (err error) {
 		return err
 	}
 
+	if n.role == ca.ManagerRole {
+		n.managerRoleCh <- struct{}{}
+	}
+
 	forceCertRenewal := make(chan struct{})
 	go func() {
 		n.RLock()
@@ -270,7 +280,9 @@ func (n *Node) run(ctx context.Context) (err error) {
 				}
 				n.Lock()
 				n.role = certUpdate.Role
-				n.roleCond.Broadcast()
+				if n.role == ca.ManagerRole {
+					n.managerRoleCh <- struct{}{}
+				}
 				n.Unlock()
 			case <-ctx.Done():
 				return
@@ -419,34 +431,6 @@ func (n *Node) CertificateRequested() <-chan struct{} {
 	return n.certificateRequested
 }
 
-func (n *Node) waitRole(ctx context.Context, role string) <-chan struct{} {
-	c := make(chan struct{})
-	n.roleCond.L.Lock()
-	if role == n.role {
-		close(c)
-		n.roleCond.L.Unlock()
-		return c
-	}
-	go func() {
-		select {
-		case <-ctx.Done():
-			n.roleCond.Broadcast()
-		case <-c:
-		}
-	}()
-	go func() {
-		defer n.roleCond.L.Unlock()
-		defer close(c)
-		for role != n.role {
-			n.roleCond.Wait()
-			if ctx.Err() != nil {
-				return
-			}
-		}
-	}()
-	return c
-}
-
 func (n *Node) setControlSocket(conn *grpc.ClientConn) {
 	n.Lock()
 	n.conn = conn
@@ -549,7 +533,6 @@ func (n *Node) loadCertificates() error {
 	n.role = clientTLSCreds.Role()
 	n.nodeID = clientTLSCreds.NodeID()
 	n.nodeMembership = api.NodeMembershipAccepted
-	n.roleCond.Broadcast()
 	n.Unlock()
 
 	return nil
@@ -599,10 +582,17 @@ func (n *Node) runManager(ctx context.Context, securityConfig *ca.SecurityConfig
 		select {
 		case <-ctx.Done():
 			return ctx.Err()
-		case <-n.waitRole(ctx, ca.ManagerRole):
+		case <-n.managerRoleCh:
 			if ctx.Err() != nil {
 				return ctx.Err()
 			}
+			n.Lock()
+			// in case if we missed some notifications
+			if n.role != ca.ManagerRole {
+				n.Unlock()
+				continue
+			}
+			n.Unlock()
 			remoteAddr, _ := n.remotes.Select(n.nodeID)
 			m, err := manager.New(&manager.Config{
 				ForceNewCluster: n.config.ForceNewCluster,
@@ -611,6 +601,7 @@ func (n *Node) runManager(ctx context.Context, securityConfig *ca.SecurityConfig
 					"unix": n.config.ListenControlAPI,
 				},
 				SecurityConfig: securityConfig,
+				ExternalCAs:    n.config.ExternalCAs,
 				JoinRaft:       remoteAddr.Addr,
 				StateDir:       n.config.StateDir,
 				HeartbeatTick:  n.config.HeartbeatTick,
@@ -629,17 +620,21 @@ func (n *Node) runManager(ctx context.Context, securityConfig *ca.SecurityConfig
 			n.manager = m
 			n.Unlock()
 
-			go n.initManagerConnection(ctx, ready)
+			connCtx, connCancel := context.WithCancel(ctx)
+			go n.initManagerConnection(connCtx, ready)
 
-			go func() {
-				select {
-				case <-ready:
-				case <-ctx.Done():
-				}
-				if ctx.Err() == nil {
-					n.remotes.Observe(api.Peer{NodeID: n.nodeID, Addr: n.config.ListenRemoteAPI}, 5)
-				}
-			}()
+			// this happens only on initial start
+			if ready != nil {
+				go func(ready chan struct{}) {
+					select {
+					case <-ready:
+						n.remotes.Observe(api.Peer{NodeID: n.nodeID, Addr: n.config.ListenRemoteAPI}, 5)
+					case <-connCtx.Done():
+					}
+				}(ready)
+			}
+
+			ready = nil
 
 			select {
 			case <-ctx.Done():
@@ -648,8 +643,8 @@ func (n *Node) runManager(ctx context.Context, securityConfig *ca.SecurityConfig
 			// in case of demotion manager will stop itself
 			case <-done:
 			}
+			connCancel()
 
-			ready = nil // ready event happens once, even on multiple starts
 			n.Lock()
 			n.manager = nil
 			if n.conn != nil {
@@ -669,7 +664,6 @@ type persistentRemotes struct {
 	c *sync.Cond
 	picker.Remotes
 	storePath      string
-	ch             []chan api.Peer
 	lastSavedState []api.Peer
 }
 

vendor/src/github.com/docker/swarmkit/agent/session.go

@@ -26,7 +26,6 @@ var (
 // agent through errs, messages and tasks.
 type session struct {
 	agent     *Agent
-	nodeID    string
 	sessionID string
 	session   api.Dispatcher_SessionClient
 	errs      chan error

vendor/src/github.com/docker/swarmkit/agent/storage.go

@@ -1,8 +1,6 @@
 package agent
 
 import (
-	"bytes"
-
 	"github.com/boltdb/bolt"
 	"github.com/docker/swarmkit/api"
 	"github.com/gogo/protobuf/proto"
@@ -22,12 +20,6 @@ var (
 	bucketKeyStatus         = []byte("status")
 )
 
-type bucketKeyPath [][]byte
-
-func (bk bucketKeyPath) String() string {
-	return string(bytes.Join([][]byte(bk), []byte("/")))
-}
-
 // InitDB prepares a database for writing task data.
 //
 // Proper buckets will be created if they don't already exist.

vendor/src/github.com/docker/swarmkit/api/README.md

@@ -0,0 +1,8 @@
+### Notice
+
+Do not change .pb.go files directly. You need to change the corresponding .proto files and run the following command to regenerate the .pb.go files.
+```
+$ make generate
+```
+
+Click [here](https://github.com/google/protobuf) for more information about protobuf.

vendor/src/github.com/docker/swarmkit/api/gen.go

@@ -1,3 +1,3 @@
 package api
 
-//go:generate protoc -I.:../protobuf:../vendor:../vendor/github.com/gogo/protobuf --gogoswarm_out=plugins=grpc+deepcopy+raftproxy+authenticatedwrapper,import_path=github.com/docker/swarmkit/api,Mgogoproto/gogo.proto=github.com/gogo/protobuf/gogoproto,Mtimestamp/timestamp.proto=github.com/docker/swarmkit/api/timestamp,Mduration/duration.proto=github.com/docker/swarmkit/api/duration,Mgoogle/protobuf/descriptor.proto=github.com/gogo/protobuf/protoc-gen-gogo/descriptor,Mplugin/plugin.proto=github.com/docker/swarmkit/protobuf/plugin:. types.proto specs.proto objects.proto control.proto dispatcher.proto ca.proto snapshot.proto raft.proto
+//go:generate protoc -I.:../protobuf:../vendor:../vendor/github.com/gogo/protobuf --gogoswarm_out=plugins=grpc+deepcopy+raftproxy+authenticatedwrapper,import_path=github.com/docker/swarmkit/api,Mgogoproto/gogo.proto=github.com/gogo/protobuf/gogoproto,Mtimestamp/timestamp.proto=github.com/docker/swarmkit/api/timestamp,Mduration/duration.proto=github.com/docker/swarmkit/api/duration,Mgoogle/protobuf/descriptor.proto=github.com/gogo/protobuf/protoc-gen-gogo/descriptor,Mplugin/plugin.proto=github.com/docker/swarmkit/protobuf/plugin:. types.proto specs.proto objects.proto control.proto dispatcher.proto ca.proto snapshot.proto raft.proto health.proto

vendor/src/github.com/docker/swarmkit/api/health.pb.go

@@ -0,0 +1,714 @@
+// Code generated by protoc-gen-gogo.
+// source: health.proto
+// DO NOT EDIT!
+
+package api
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import _ "github.com/gogo/protobuf/gogoproto"
+import _ "github.com/docker/swarmkit/protobuf/plugin"
+
+import strings "strings"
+import github_com_gogo_protobuf_proto "github.com/gogo/protobuf/proto"
+import sort "sort"
+import strconv "strconv"
+import reflect "reflect"
+
+import (
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+)
+
+import raftpicker "github.com/docker/swarmkit/manager/raftpicker"
+import codes "google.golang.org/grpc/codes"
+import metadata "google.golang.org/grpc/metadata"
+import transport "google.golang.org/grpc/transport"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type HealthCheckResponse_ServingStatus int32
+
+const (
+	HealthCheckResponse_UNKNOWN     HealthCheckResponse_ServingStatus = 0
+	HealthCheckResponse_SERVING     HealthCheckResponse_ServingStatus = 1
+	HealthCheckResponse_NOT_SERVING HealthCheckResponse_ServingStatus = 2
+)
+
+var HealthCheckResponse_ServingStatus_name = map[int32]string{
+	0: "UNKNOWN",
+	1: "SERVING",
+	2: "NOT_SERVING",
+}
+var HealthCheckResponse_ServingStatus_value = map[string]int32{
+	"UNKNOWN":     0,
+	"SERVING":     1,
+	"NOT_SERVING": 2,
+}
+
+func (x HealthCheckResponse_ServingStatus) String() string {
+	return proto.EnumName(HealthCheckResponse_ServingStatus_name, int32(x))
+}
+func (HealthCheckResponse_ServingStatus) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptorHealth, []int{1, 0}
+}
+
+type HealthCheckRequest struct {
+	Service string `protobuf:"bytes,1,opt,name=service,proto3" json:"service,omitempty"`
+}
+
+func (m *HealthCheckRequest) Reset()                    { *m = HealthCheckRequest{} }
+func (*HealthCheckRequest) ProtoMessage()               {}
+func (*HealthCheckRequest) Descriptor() ([]byte, []int) { return fileDescriptorHealth, []int{0} }
+
+type HealthCheckResponse struct {
+	Status HealthCheckResponse_ServingStatus `protobuf:"varint,1,opt,name=status,proto3,enum=docker.swarmkit.v1.HealthCheckResponse_ServingStatus" json:"status,omitempty"`
+}
+
+func (m *HealthCheckResponse) Reset()                    { *m = HealthCheckResponse{} }
+func (*HealthCheckResponse) ProtoMessage()               {}
+func (*HealthCheckResponse) Descriptor() ([]byte, []int) { return fileDescriptorHealth, []int{1} }
+
+func init() {
+	proto.RegisterType((*HealthCheckRequest)(nil), "docker.swarmkit.v1.HealthCheckRequest")
+	proto.RegisterType((*HealthCheckResponse)(nil), "docker.swarmkit.v1.HealthCheckResponse")
+	proto.RegisterEnum("docker.swarmkit.v1.HealthCheckResponse_ServingStatus", HealthCheckResponse_ServingStatus_name, HealthCheckResponse_ServingStatus_value)
+}
+
+type authenticatedWrapperHealthServer struct {
+	local     HealthServer
+	authorize func(context.Context, []string) error
+}
+
+func NewAuthenticatedWrapperHealthServer(local HealthServer, authorize func(context.Context, []string) error) HealthServer {
+	return &authenticatedWrapperHealthServer{
+		local:     local,
+		authorize: authorize,
+	}
+}
+
+func (p *authenticatedWrapperHealthServer) Check(ctx context.Context, r *HealthCheckRequest) (*HealthCheckResponse, error) {
+
+	if err := p.authorize(ctx, []string{"swarm-manager"}); err != nil {
+		return nil, err
+	}
+	return p.local.Check(ctx, r)
+}
+
+func (m *HealthCheckRequest) Copy() *HealthCheckRequest {
+	if m == nil {
+		return nil
+	}
+
+	o := &HealthCheckRequest{
+		Service: m.Service,
+	}
+
+	return o
+}
+
+func (m *HealthCheckResponse) Copy() *HealthCheckResponse {
+	if m == nil {
+		return nil
+	}
+
+	o := &HealthCheckResponse{
+		Status: m.Status,
+	}
+
+	return o
+}
+
+func (this *HealthCheckRequest) GoString() string {
+	if this == nil {
+		return "nil"
+	}
+	s := make([]string, 0, 5)
+	s = append(s, "&api.HealthCheckRequest{")
+	s = append(s, "Service: "+fmt.Sprintf("%#v", this.Service)+",\n")
+	s = append(s, "}")
+	return strings.Join(s, "")
+}
+func (this *HealthCheckResponse) GoString() string {
+	if this == nil {
+		return "nil"
+	}
+	s := make([]string, 0, 5)
+	s = append(s, "&api.HealthCheckResponse{")
+	s = append(s, "Status: "+fmt.Sprintf("%#v", this.Status)+",\n")
+	s = append(s, "}")
+	return strings.Join(s, "")
+}
+func valueToGoStringHealth(v interface{}, typ string) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("func(v %v) *%v { return &v } ( %#v )", typ, typ, pv)
+}
+func extensionToGoStringHealth(e map[int32]github_com_gogo_protobuf_proto.Extension) string {
+	if e == nil {
+		return "nil"
+	}
+	s := "map[int32]proto.Extension{"
+	keys := make([]int, 0, len(e))
+	for k := range e {
+		keys = append(keys, int(k))
+	}
+	sort.Ints(keys)
+	ss := []string{}
+	for _, k := range keys {
+		ss = append(ss, strconv.Itoa(k)+": "+e[int32(k)].GoString())
+	}
+	s += strings.Join(ss, ",") + "}"
+	return s
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion2
+
+// Client API for Health service
+
+type HealthClient interface {
+	Check(ctx context.Context, in *HealthCheckRequest, opts ...grpc.CallOption) (*HealthCheckResponse, error)
+}
+
+type healthClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewHealthClient(cc *grpc.ClientConn) HealthClient {
+	return &healthClient{cc}
+}
+
+func (c *healthClient) Check(ctx context.Context, in *HealthCheckRequest, opts ...grpc.CallOption) (*HealthCheckResponse, error) {
+	out := new(HealthCheckResponse)
+	err := grpc.Invoke(ctx, "/docker.swarmkit.v1.Health/Check", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Health service
+
+type HealthServer interface {
+	Check(context.Context, *HealthCheckRequest) (*HealthCheckResponse, error)
+}
+
+func RegisterHealthServer(s *grpc.Server, srv HealthServer) {
+	s.RegisterService(&_Health_serviceDesc, srv)
+}
+
+func _Health_Check_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HealthCheckRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HealthServer).Check(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/docker.swarmkit.v1.Health/Check",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HealthServer).Check(ctx, req.(*HealthCheckRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Health_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "docker.swarmkit.v1.Health",
+	HandlerType: (*HealthServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Check",
+			Handler:    _Health_Check_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{},
+}
+
+func (m *HealthCheckRequest) Marshal() (data []byte, err error) {
+	size := m.Size()
+	data = make([]byte, size)
+	n, err := m.MarshalTo(data)
+	if err != nil {
+		return nil, err
+	}
+	return data[:n], nil
+}
+
+func (m *HealthCheckRequest) MarshalTo(data []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Service) > 0 {
+		data[i] = 0xa
+		i++
+		i = encodeVarintHealth(data, i, uint64(len(m.Service)))
+		i += copy(data[i:], m.Service)
+	}
+	return i, nil
+}
+
+func (m *HealthCheckResponse) Marshal() (data []byte, err error) {
+	size := m.Size()
+	data = make([]byte, size)
+	n, err := m.MarshalTo(data)
+	if err != nil {
+		return nil, err
+	}
+	return data[:n], nil
+}
+
+func (m *HealthCheckResponse) MarshalTo(data []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Status != 0 {
+		data[i] = 0x8
+		i++
+		i = encodeVarintHealth(data, i, uint64(m.Status))
+	}
+	return i, nil
+}
+
+func encodeFixed64Health(data []byte, offset int, v uint64) int {
+	data[offset] = uint8(v)
+	data[offset+1] = uint8(v >> 8)
+	data[offset+2] = uint8(v >> 16)
+	data[offset+3] = uint8(v >> 24)
+	data[offset+4] = uint8(v >> 32)
+	data[offset+5] = uint8(v >> 40)
+	data[offset+6] = uint8(v >> 48)
+	data[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Health(data []byte, offset int, v uint32) int {
+	data[offset] = uint8(v)
+	data[offset+1] = uint8(v >> 8)
+	data[offset+2] = uint8(v >> 16)
+	data[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintHealth(data []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		data[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	data[offset] = uint8(v)
+	return offset + 1
+}
+
+type raftProxyHealthServer struct {
+	local        HealthServer
+	connSelector *raftpicker.ConnSelector
+	cluster      raftpicker.RaftCluster
+	ctxMods      []func(context.Context) (context.Context, error)
+}
+
+func NewRaftProxyHealthServer(local HealthServer, connSelector *raftpicker.ConnSelector, cluster raftpicker.RaftCluster, ctxMod func(context.Context) (context.Context, error)) HealthServer {
+	redirectChecker := func(ctx context.Context) (context.Context, error) {
+		s, ok := transport.StreamFromContext(ctx)
+		if !ok {
+			return ctx, grpc.Errorf(codes.InvalidArgument, "remote addr is not found in context")
+		}
+		addr := s.ServerTransport().RemoteAddr().String()
+		md, ok := metadata.FromContext(ctx)
+		if ok && len(md["redirect"]) != 0 {
+			return ctx, grpc.Errorf(codes.ResourceExhausted, "more than one redirect to leader from: %s", md["redirect"])
+		}
+		if !ok {
+			md = metadata.New(map[string]string{})
+		}
+		md["redirect"] = append(md["redirect"], addr)
+		return metadata.NewContext(ctx, md), nil
+	}
+	mods := []func(context.Context) (context.Context, error){redirectChecker}
+	mods = append(mods, ctxMod)
+
+	return &raftProxyHealthServer{
+		local:        local,
+		cluster:      cluster,
+		connSelector: connSelector,
+		ctxMods:      mods,
+	}
+}
+func (p *raftProxyHealthServer) runCtxMods(ctx context.Context) (context.Context, error) {
+	var err error
+	for _, mod := range p.ctxMods {
+		ctx, err = mod(ctx)
+		if err != nil {
+			return ctx, err
+		}
+	}
+	return ctx, nil
+}
+
+func (p *raftProxyHealthServer) Check(ctx context.Context, r *HealthCheckRequest) (*HealthCheckResponse, error) {
+
+	if p.cluster.IsLeader() {
+		return p.local.Check(ctx, r)
+	}
+	ctx, err := p.runCtxMods(ctx)
+	if err != nil {
+		return nil, err
+	}
+	conn, err := p.connSelector.Conn()
+	if err != nil {
+		return nil, err
+	}
+	return NewHealthClient(conn).Check(ctx, r)
+}
+
+func (m *HealthCheckRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Service)
+	if l > 0 {
+		n += 1 + l + sovHealth(uint64(l))
+	}
+	return n
+}
+
+func (m *HealthCheckResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.Status != 0 {
+		n += 1 + sovHealth(uint64(m.Status))
+	}
+	return n
+}
+
+func sovHealth(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozHealth(x uint64) (n int) {
+	return sovHealth(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *HealthCheckRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&HealthCheckRequest{`,
+		`Service:` + fmt.Sprintf("%v", this.Service) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *HealthCheckResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&HealthCheckResponse{`,
+		`Status:` + fmt.Sprintf("%v", this.Status) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringHealth(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *HealthCheckRequest) Unmarshal(data []byte) error {
+	l := len(data)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowHealth
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := data[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: HealthCheckRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: HealthCheckRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Service", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHealth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthHealth
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Service = string(data[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipHealth(data[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthHealth
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *HealthCheckResponse) Unmarshal(data []byte) error {
+	l := len(data)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowHealth
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := data[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: HealthCheckResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: HealthCheckResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Status", wireType)
+			}
+			m.Status = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHealth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				m.Status |= (HealthCheckResponse_ServingStatus(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipHealth(data[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthHealth
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipHealth(data []byte) (n int, err error) {
+	l := len(data)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowHealth
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := data[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowHealth
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if data[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowHealth
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthHealth
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowHealth
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := data[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipHealth(data[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthHealth = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowHealth   = fmt.Errorf("proto: integer overflow")
+)
+
+var fileDescriptorHealth = []byte{
+	// 284 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0xc9, 0x48, 0x4d, 0xcc,
+	0x29, 0xc9, 0xd0, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x12, 0x4a, 0xc9, 0x4f, 0xce, 0x4e, 0x2d,
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+	0x00, 0x00, 0xff, 0xff, 0xf7, 0x14, 0x7c, 0x23, 0xc1, 0x01, 0x00, 0x00,
+}

vendor/src/github.com/docker/swarmkit/api/health.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+
+// See: https://github.com/grpc/grpc-go/blob/master/health/grpc_health_v1/health.proto
+//
+// We use the same health check service proto description defined in the gRPC documentation,
+// including the authorization check. This requires our own implementation of the health
+// package located in `manager/health`.
+//
+// For more infos, refer to:
+// https://github.com/grpc/grpc/blob/master/doc/health-checking.md
+
+package docker.swarmkit.v1;
+
+import "gogoproto/gogo.proto";
+import "plugin/plugin.proto";
+
+service Health {
+	rpc Check(HealthCheckRequest) returns (HealthCheckResponse) {
+		option (docker.protobuf.plugin.tls_authorization) = { roles: "swarm-manager" };
+	};
+}
+
+message HealthCheckRequest {
+	string service = 1;
+}
+
+message HealthCheckResponse {
+	enum ServingStatus {
+		UNKNOWN = 0;
+		SERVING = 1;
+		NOT_SERVING = 2;
+	}
+	ServingStatus status = 1;
+}

vendor/src/github.com/docker/swarmkit/api/raft.pb.go

@@ -90,8 +90,13 @@ func (*JoinRequest) ProtoMessage()               {}
 func (*JoinRequest) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{1} }
 
 type JoinResponse struct {
-	RaftID  uint64        `protobuf:"varint,1,opt,name=raft_id,json=raftId,proto3" json:"raft_id,omitempty"`
+	// RaftID is the ID assigned to the new member.
+	RaftID uint64 `protobuf:"varint,1,opt,name=raft_id,json=raftId,proto3" json:"raft_id,omitempty"`
+	// Members is the membership set of the cluster.
 	Members []*RaftMember `protobuf:"bytes,2,rep,name=members" json:"members,omitempty"`
+	// RemovedMembers is a list of members that have been removed from
+	// the cluster, so the new node can avoid communicating with them.
+	RemovedMembers []uint64 `protobuf:"varint,3,rep,name=removed_members,json=removedMembers" json:"removed_members,omitempty"`
 }
 
 func (m *JoinResponse) Reset()                    { *m = JoinResponse{} }
@@ -489,6 +494,13 @@ func (m *JoinResponse) Copy() *JoinResponse {
 		}
 	}
 
+	if m.RemovedMembers != nil {
+		o.RemovedMembers = make([]uint64, 0, len(m.RemovedMembers))
+		for _, v := range m.RemovedMembers {
+			o.RemovedMembers = append(o.RemovedMembers, v)
+		}
+	}
+
 	return o
 }
 
@@ -639,12 +651,13 @@ func (this *JoinResponse) GoString() string {
 	if this == nil {
 		return "nil"
 	}
-	s := make([]string, 0, 6)
+	s := make([]string, 0, 7)
 	s = append(s, "&api.JoinResponse{")
 	s = append(s, "RaftID: "+fmt.Sprintf("%#v", this.RaftID)+",\n")
 	if this.Members != nil {
 		s = append(s, "Members: "+fmt.Sprintf("%#v", this.Members)+",\n")
 	}
+	s = append(s, "RemovedMembers: "+fmt.Sprintf("%#v", this.RemovedMembers)+",\n")
 	s = append(s, "}")
 	return strings.Join(s, "")
 }
@@ -1111,6 +1124,13 @@ func (m *JoinResponse) MarshalTo(data []byte) (int, error) {
 			i += n
 		}
 	}
+	if len(m.RemovedMembers) > 0 {
+		for _, num := range m.RemovedMembers {
+			data[i] = 0x18
+			i++
+			i = encodeVarintRaft(data, i, uint64(num))
+		}
+	}
 	return i, nil
 }
 
@@ -1611,6 +1631,11 @@ func (m *JoinResponse) Size() (n int) {
 			n += 1 + l + sovRaft(uint64(l))
 		}
 	}
+	if len(m.RemovedMembers) > 0 {
+		for _, e := range m.RemovedMembers {
+			n += 1 + sovRaft(uint64(e))
+		}
+	}
 	return n
 }
 
@@ -1781,6 +1806,7 @@ func (this *JoinResponse) String() string {
 	s := strings.Join([]string{`&JoinResponse{`,
 		`RaftID:` + fmt.Sprintf("%v", this.RaftID) + `,`,
 		`Members:` + strings.Replace(fmt.Sprintf("%v", this.Members), "RaftMember", "RaftMember", 1) + `,`,
+		`RemovedMembers:` + fmt.Sprintf("%v", this.RemovedMembers) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -2238,6 +2264,26 @@ func (m *JoinResponse) Unmarshal(data []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RemovedMembers", wireType)
+			}
+			var v uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				v |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.RemovedMembers = append(m.RemovedMembers, v)
 		default:
 			iNdEx = preIndex
 			skippy, err := skipRaft(data[iNdEx:])
@@ -3108,58 +3154,59 @@ var (
 )
 
 var fileDescriptorRaft = []byte{
-	// 833 bytes of a gzipped FileDescriptorProto
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+	// 852 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x8c, 0x95, 0x4f, 0x53, 0x23, 0x45,
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+	0xef, 0xb1, 0xed, 0xe8, 0xe8, 0x97, 0x3e, 0x22, 0x74, 0x68, 0x23, 0xdc, 0xd9, 0xa8, 0x7f, 0x0a,
+	0x60, 0xd6, 0x67, 0x48, 0x0f, 0x3b, 0x04, 0x4d, 0x77, 0xaa, 0xaf, 0x40, 0xa2, 0xeb, 0xd9, 0x12,
+	0x76, 0xaa, 0x38, 0xdb, 0x5d, 0x66, 0xf2, 0xee, 0xf4, 0x10, 0x87, 0x9f, 0x80, 0x94, 0x8b, 0xba,
+	0x78, 0x80, 0xac, 0x46, 0x98, 0x21, 0xce, 0x32, 0x48, 0xfa, 0x7c, 0x10, 0xf6, 0x05, 0x44, 0x2d,
+	0x80, 0xd9, 0x7d, 0x64, 0x0c, 0x50, 0xb8, 0xf9, 0x1c, 0x90, 0x78, 0xb5, 0xbc, 0x4d, 0x3d, 0xee,
+	0xe7, 0xb1, 0x6a, 0x0a, 0xcc, 0x05, 0x39, 0xfc, 0xc3, 0xa9, 0xfb, 0x60, 0xe5, 0xd0, 0xc5, 0x26,
+	0x22, 0xc4, 0x67, 0x09, 0x31, 0x5a, 0x43, 0x87, 0x2d, 0x7e, 0x28, 0x2f, 0x12, 0x98, 0xa4, 0x34,
+	0xff, 0x73, 0xd1, 0x42, 0x30, 0x5c, 0xff, 0x5a, 0x3a, 0xff, 0x4b, 0x8d, 0xa9, 0xab, 0x40, 0x89,
+	0xca, 0x16, 0x78, 0x7d, 0x0b, 0x96, 0xd8, 0x1c, 0x77, 0x06, 0x28, 0xcf, 0x0a, 0xcd, 0xa1, 0xc0,
+	0x67, 0x9a, 0x0a, 0xab, 0x9f, 0x81, 0xe5, 0x51, 0x75, 0x70, 0x41, 0x51, 0xb7, 0x78, 0x02, 0x16,
+	0xcb, 0x0e, 0x45, 0xae, 0x63, 0x74, 0x78, 0x9e, 0xd0, 0x69, 0x19, 0x88, 0x43, 0x13, 0x99, 0x99,
+	0x88, 0xcc, 0x80, 0x45, 0xe0, 0x97, 0x40, 0x36, 0x4c, 0x6a, 0x63, 0x27, 0xb8, 0xbd, 0xb5, 0xa8,
+	0x6a, 0x1e, 0x51, 0xd6, 0x3c, 0x79, 0x0f, 0xd3, 0x03, 0x5c, 0x7d, 0x21, 0x82, 0xe4, 0xbd, 0x38,
+	0xfc, 0x66, 0x98, 0x88, 0x9b, 0xcc, 0xe7, 0x36, 0x1f, 0x49, 0xb4, 0x67, 0x3b, 0x56, 0x98, 0x0c,
+	0x6a, 0xc1, 0x8d, 0x8a, 0x5e, 0xb1, 0xd3, 0x51, 0x52, 0xde, 0x27, 0xdf, 0xc5, 0xfc, 0xdb, 0x64,
+	0xbb, 0x4e, 0x10, 0xe4, 0x0e, 0x6c, 0x13, 0x79, 0x8d, 0x92, 0xcc, 0x7d, 0x14, 0xe9, 0xe6, 0x23,
+	0x4c, 0x15, 0xd2, 0xdc, 0x88, 0x1a, 0xa4, 0x1d, 0x34, 0x52, 0xa4, 0x51, 0x8d, 0xad, 0x73, 0x23,
+	0xce, 0x71, 0x23, 0x07, 0xd1, 0x33, 0xec, 0xb6, 0xd3, 0x33, 0xe3, 0x8d, 0x2a, 0x3e, 0xc2, 0x8d,
+	0x02, 0x9a, 0x0b, 0xcd, 0x4e, 0x9f, 0xb0, 0x8b, 0x48, 0xcb, 0xe3, 0x85, 0x45, 0x1f, 0xe1, 0xc2,
+	0x80, 0x2e, 0xbc, 0x07, 0x64, 0x6a, 0xb8, 0x2d, 0x44, 0xb7, 0x5f, 0x0b, 0x20, 0x35, 0x52, 0x30,
+	0xd6, 0x33, 0x89, 0x7a, 0x65, 0xaf, 0x52, 0xfd, 0xb1, 0xb2, 0x10, 0x53, 0x94, 0x8b, 0x7f, 0xd6,
+	0x97, 0x47, 0x88, 0xba, 0xd3, 0x76, 0xf0, 0x99, 0xc3, 0x7a, 0x64, 0xf1, 0xa8, 0x56, 0xd5, 0x4b,
+	0x8d, 0x7c, 0xb1, 0x56, 0xae, 0x56, 0x1a, 0x45, 0xbd, 0x94, 0xaf, 0x95, 0x16, 0x04, 0x65, 0x85,
+	0x89, 0x96, 0x46, 0x44, 0x45, 0x17, 0x19, 0x14, 0x3d, 0xd0, 0xd4, 0x0f, 0x77, 0xb9, 0x46, 0x8c,
+	0xd4, 0xd4, 0x7b, 0x56, 0x94, 0x46, 0x2f, 0x1d, 0x54, 0x7f, 0x28, 0x2d, 0xc4, 0x23, 0x35, 0xba,
+	0xd7, 0xd7, 0xca, 0x87, 0xbf, 0xff, 0x9b, 0x89, 0xfd, 0xff, 0x5f, 0x66, 0xf4, 0x74, 0xb9, 0x3f,
+	0x44, 0x20, 0xf1, 0x8f, 0x16, 0x5e, 0x08, 0x00, 0x3e, 0xec, 0x27, 0xb8, 0x13, 0x55, 0xc3, 0xb1,
+	0x5d, 0xac, 0x68, 0xd3, 0xe2, 0x41, 0x9b, 0x2e, 0x3d, 0xb9, 0x7c, 0xf5, 0xb7, 0xc8, 0x5e, 0x0a,
+	0x8f, 0xdf, 0xe9, 0x1a, 0x0e, 0x5b, 0x75, 0xe1, 0x6f, 0x60, 0xfe, 0xdd, 0xfe, 0x83, 0x5b, 0x91,
+	0x4f, 0x4e, 0x54, 0x87, 0x2b, 0xdb, 0xd3, 0xa0, 0x13, 0xfd, 0x73, 0xcf, 0x04, 0xb6, 0x81, 0xe1,
+	0x7b, 0x46, 0x4e, 0xed, 0x1e, 0xfc, 0x09, 0x48, 0xfc, 0xa5, 0x86, 0x91, 0xdd, 0x7a, 0xef, 0x9d,
+	0x57, 0xd6, 0xc7, 0x03, 0x93, 0x0f, 0x6d, 0x82, 0x19, 0xef, 0xbd, 0x84, 0x91, 0x19, 0xee, 0x3f,
+	0xc7, 0xca, 0xc6, 0x04, 0x62, 0xa2, 0x49, 0x61, 0xf5, 0xea, 0x26, 0x13, 0x7b, 0xce, 0xc6, 0x9b,
+	0x9b, 0x8c, 0x70, 0x7e, 0x9b, 0x11, 0xae, 0xd8, 0x78, 0xca, 0xc6, 0x4b, 0x36, 0x8e, 0xe3, 0xc7,
+	0x52, 0x53, 0xf6, 0xfe, 0xdd, 0x7e, 0xf1, 0x36, 0x00, 0x00, 0xff, 0xff, 0xd7, 0x61, 0x3c, 0x43,
+	0x06, 0x08, 0x00, 0x00,
 }

vendor/src/github.com/docker/swarmkit/api/raft.proto

@@ -58,8 +58,15 @@ message JoinRequest {
 }
 
 message JoinResponse {
+	// RaftID is the ID assigned to the new member.
 	uint64 raft_id = 1 [(gogoproto.customname) = "RaftID"];
+
+	// Members is the membership set of the cluster.
 	repeated RaftMember members = 2;
+
+	// RemovedMembers is a list of members that have been removed from
+	// the cluster, so the new node can avoid communicating with them.
+	repeated uint64 removed_members = 3;
 }
 
 message LeaveRequest {

vendor/src/github.com/docker/swarmkit/api/specs.pb.go

@@ -268,7 +268,7 @@ func _ServiceSpec_OneofSizer(msg proto.Message) (n int) {
 // instructing Swarm on how this service should work on the particular
 // network.
 type ServiceSpec_NetworkAttachmentConfig struct {
-	// Target specifies the target network for attachement. This value may be a
+	// Target specifies the target network for attachment. This value may be a
 	// network name or identifier. Only identifiers are supported at this time.
 	Target string `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
 	// Aliases specifies a list of discoverable alternate names for the service on this Target.
@@ -281,7 +281,7 @@ func (*ServiceSpec_NetworkAttachmentConfig) Descriptor() ([]byte, []int) {
 	return fileDescriptorSpecs, []int{1, 0}
 }
 
-// ReplicatedService set the reconcilation target to certain number of replicas.
+// ReplicatedService sets the reconciliation target to certain number of replicas.
 type ReplicatedService struct {
 	Replicas uint64 `protobuf:"varint,1,opt,name=replicas,proto3" json:"replicas,omitempty"`
 }
@@ -290,7 +290,7 @@ func (m *ReplicatedService) Reset()                    { *m = ReplicatedService{
 func (*ReplicatedService) ProtoMessage()               {}
 func (*ReplicatedService) Descriptor() ([]byte, []int) { return fileDescriptorSpecs, []int{2} }
 
-// GlobalService represent global service.
+// GlobalService represents global service.
 type GlobalService struct {
 }
 
@@ -415,9 +415,12 @@ type ContainerSpec struct {
 	// executable and the following elements are treated as arguments.
 	//
 	// If command is empty, execution will fall back to the image's entrypoint.
+	//
+	// Command should only be used when overriding entrypoint.
 	Command []string `protobuf:"bytes,3,rep,name=command" json:"command,omitempty"`
 	// Args specifies arguments provided to the image's entrypoint.
-	// Ignored if command is specified.
+	//
+	// If Command and Args are provided, Args will be appended to Command.
 	Args []string `protobuf:"bytes,4,rep,name=args" json:"args,omitempty"`
 	// Env specifies the environment variables for the container in NAME=VALUE
 	// format. These must be compliant with  [IEEE Std

vendor/src/github.com/docker/swarmkit/api/specs.proto

@@ -78,7 +78,7 @@ message ServiceSpec {
 	// instructing Swarm on how this service should work on the particular
 	// network.
 	message NetworkAttachmentConfig {
-		// Target specifies the target network for attachement. This value may be a
+		// Target specifies the target network for attachment. This value may be a
 		// network name or identifier. Only identifiers are supported at this time.
 		string target = 1;
 		// Aliases specifies a list of discoverable alternate names for the service on this Target.
@@ -91,12 +91,12 @@ message ServiceSpec {
 	EndpointSpec endpoint = 8;
 }
 
-// ReplicatedService set the reconcilation target to certain number of replicas.
+// ReplicatedService sets the reconciliation target to certain number of replicas.
 message ReplicatedService {
 	uint64 replicas = 1;
 }
 
-// GlobalService represent global service.
+// GlobalService represents global service.
 message GlobalService {
 	// Empty message for now.
 }
@@ -138,10 +138,13 @@ message ContainerSpec {
 	// executable and the following elements are treated as arguments.
 	//
 	// If command is empty, execution will fall back to the image's entrypoint.
+	//
+	// Command should only be used when overriding entrypoint.
 	repeated string command = 3;
 
 	// Args specifies arguments provided to the image's entrypoint.
-	// Ignored if command is specified.
+	//
+	// If Command and Args are provided, Args will be appended to Command.
 	repeated string args = 4;
 
 	// Env specifies the environment variables for the container in NAME=VALUE

vendor/src/github.com/docker/swarmkit/api/types.pb.go

@@ -14,6 +14,7 @@
 		ca.proto
 		snapshot.proto
 		raft.proto
+		health.proto
 
 	It has these top-level messages:
 		Version
@@ -40,6 +41,7 @@
 		WeightedPeer
 		IssuanceStatus
 		AcceptancePolicy
+		ExternalCA
 		CAConfig
 		OrchestrationConfig
 		DispatcherConfig
@@ -132,6 +134,8 @@
 		ResolveAddressResponse
 		InternalRaftRequest
 		StoreAction
+		HealthCheckRequest
+		HealthCheckResponse
 */
 package api
 
@@ -462,6 +466,26 @@ func (x IssuanceStatus_State) String() string {
 }
 func (IssuanceStatus_State) EnumDescriptor() ([]byte, []int) { return fileDescriptorTypes, []int{22, 0} }
 
+type ExternalCA_CAProtocol int32
+
+const (
+	ExternalCA_CAProtocolCFSSL ExternalCA_CAProtocol = 0
+)
+
+var ExternalCA_CAProtocol_name = map[int32]string{
+	0: "CFSSL",
+}
+var ExternalCA_CAProtocol_value = map[string]int32{
+	"CFSSL": 0,
+}
+
+func (x ExternalCA_CAProtocol) String() string {
+	return proto.EnumName(ExternalCA_CAProtocol_name, int32(x))
+}
+func (ExternalCA_CAProtocol) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptorTypes, []int{24, 0}
+}
+
 // Encryption algorithm that can implemented using this key
 type EncryptionKey_Algorithm int32
 
@@ -480,7 +504,7 @@ func (x EncryptionKey_Algorithm) String() string {
 	return proto.EnumName(EncryptionKey_Algorithm_name, int32(x))
 }
 func (EncryptionKey_Algorithm) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptorTypes, []int{31, 0}
+	return fileDescriptorTypes, []int{32, 0}
 }
 
 // Version tracks the last time an object in the store was updated.
@@ -955,14 +979,31 @@ func (*AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) Descriptor() ([]byte,
 	return fileDescriptorTypes, []int{23, 0, 0}
 }
 
+type ExternalCA struct {
+	// Protocol is the protocol used by this external CA.
+	Protocol ExternalCA_CAProtocol `protobuf:"varint,1,opt,name=protocol,proto3,enum=docker.swarmkit.v1.ExternalCA_CAProtocol" json:"protocol,omitempty"`
+	// URL is the URL where the external CA can be reached.
+	URL string `protobuf:"bytes,2,opt,name=url,proto3" json:"url,omitempty"`
+	// Options is a set of additional key/value pairs whose interpretation
+	// depends on the specified CA type.
+	Options map[string]string `protobuf:"bytes,3,rep,name=options" json:"options,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *ExternalCA) Reset()                    { *m = ExternalCA{} }
+func (*ExternalCA) ProtoMessage()               {}
+func (*ExternalCA) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{24} }
+
 type CAConfig struct {
 	// NodeCertExpiry is the duration certificates should be issued for
 	NodeCertExpiry *docker_swarmkit_v11.Duration `protobuf:"bytes,1,opt,name=node_cert_expiry,json=nodeCertExpiry" json:"node_cert_expiry,omitempty"`
+	// ExternalCAs is a list of CAs to which a manager node will make
+	// certificate signing requests for node certificates.
+	ExternalCAs []*ExternalCA `protobuf:"bytes,2,rep,name=external_cas,json=externalCas" json:"external_cas,omitempty"`
 }
 
 func (m *CAConfig) Reset()                    { *m = CAConfig{} }
 func (*CAConfig) ProtoMessage()               {}
-func (*CAConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{24} }
+func (*CAConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{25} }
 
 // OrchestrationConfig defines cluster-level orchestration settings.
 type OrchestrationConfig struct {
@@ -973,7 +1014,7 @@ type OrchestrationConfig struct {
 
 func (m *OrchestrationConfig) Reset()                    { *m = OrchestrationConfig{} }
 func (*OrchestrationConfig) ProtoMessage()               {}
-func (*OrchestrationConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{25} }
+func (*OrchestrationConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{26} }
 
 // DispatcherConfig defines cluster-level dispatcher settings.
 type DispatcherConfig struct {
@@ -984,7 +1025,7 @@ type DispatcherConfig struct {
 
 func (m *DispatcherConfig) Reset()                    { *m = DispatcherConfig{} }
 func (*DispatcherConfig) ProtoMessage()               {}
-func (*DispatcherConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{26} }
+func (*DispatcherConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{27} }
 
 // RaftConfig defines raft settings for the cluster.
 type RaftConfig struct {
@@ -1006,7 +1047,7 @@ type RaftConfig struct {
 
 func (m *RaftConfig) Reset()                    { *m = RaftConfig{} }
 func (*RaftConfig) ProtoMessage()               {}
-func (*RaftConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{27} }
+func (*RaftConfig) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{28} }
 
 // Placement specifies task distribution constraints.
 type Placement struct {
@@ -1016,7 +1057,7 @@ type Placement struct {
 
 func (m *Placement) Reset()                    { *m = Placement{} }
 func (*Placement) ProtoMessage()               {}
-func (*Placement) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{28} }
+func (*Placement) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{29} }
 
 type RootCA struct {
 	// CAKey is the root CA private key.
@@ -1029,7 +1070,7 @@ type RootCA struct {
 
 func (m *RootCA) Reset()                    { *m = RootCA{} }
 func (*RootCA) ProtoMessage()               {}
-func (*RootCA) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{29} }
+func (*RootCA) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{30} }
 
 type Certificate struct {
 	Role        NodeRole       `protobuf:"varint,1,opt,name=role,proto3,enum=docker.swarmkit.v1.NodeRole" json:"role,omitempty"`
@@ -1042,7 +1083,7 @@ type Certificate struct {
 
 func (m *Certificate) Reset()                    { *m = Certificate{} }
 func (*Certificate) ProtoMessage()               {}
-func (*Certificate) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{30} }
+func (*Certificate) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{31} }
 
 // Symmetric keys to encrypt inter-agent communication.
 type EncryptionKey struct {
@@ -1058,7 +1099,7 @@ type EncryptionKey struct {
 
 func (m *EncryptionKey) Reset()                    { *m = EncryptionKey{} }
 func (*EncryptionKey) ProtoMessage()               {}
-func (*EncryptionKey) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{31} }
+func (*EncryptionKey) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{32} }
 
 // ManagerStatus provides informations about the state of a manager in the cluster.
 type ManagerStatus struct {
@@ -1075,7 +1116,7 @@ type ManagerStatus struct {
 
 func (m *ManagerStatus) Reset()                    { *m = ManagerStatus{} }
 func (*ManagerStatus) ProtoMessage()               {}
-func (*ManagerStatus) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{32} }
+func (*ManagerStatus) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{33} }
 
 func init() {
 	proto.RegisterType((*Version)(nil), "docker.swarmkit.v1.Version")
@@ -1106,6 +1147,7 @@ func init() {
 	proto.RegisterType((*AcceptancePolicy)(nil), "docker.swarmkit.v1.AcceptancePolicy")
 	proto.RegisterType((*AcceptancePolicy_RoleAdmissionPolicy)(nil), "docker.swarmkit.v1.AcceptancePolicy.RoleAdmissionPolicy")
 	proto.RegisterType((*AcceptancePolicy_RoleAdmissionPolicy_HashedSecret)(nil), "docker.swarmkit.v1.AcceptancePolicy.RoleAdmissionPolicy.HashedSecret")
+	proto.RegisterType((*ExternalCA)(nil), "docker.swarmkit.v1.ExternalCA")
 	proto.RegisterType((*CAConfig)(nil), "docker.swarmkit.v1.CAConfig")
 	proto.RegisterType((*OrchestrationConfig)(nil), "docker.swarmkit.v1.OrchestrationConfig")
 	proto.RegisterType((*DispatcherConfig)(nil), "docker.swarmkit.v1.DispatcherConfig")
@@ -1125,6 +1167,7 @@ func init() {
 	proto.RegisterEnum("docker.swarmkit.v1.IPAMConfig_AddressFamily", IPAMConfig_AddressFamily_name, IPAMConfig_AddressFamily_value)
 	proto.RegisterEnum("docker.swarmkit.v1.PortConfig_Protocol", PortConfig_Protocol_name, PortConfig_Protocol_value)
 	proto.RegisterEnum("docker.swarmkit.v1.IssuanceStatus_State", IssuanceStatus_State_name, IssuanceStatus_State_value)
+	proto.RegisterEnum("docker.swarmkit.v1.ExternalCA_CAProtocol", ExternalCA_CAProtocol_name, ExternalCA_CAProtocol_value)
 	proto.RegisterEnum("docker.swarmkit.v1.EncryptionKey_Algorithm", EncryptionKey_Algorithm_name, EncryptionKey_Algorithm_value)
 }
 
@@ -1564,6 +1607,26 @@ func (m *AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) Copy() *AcceptancePo
 	return o
 }
 
+func (m *ExternalCA) Copy() *ExternalCA {
+	if m == nil {
+		return nil
+	}
+
+	o := &ExternalCA{
+		Protocol: m.Protocol,
+		URL:      m.URL,
+	}
+
+	if m.Options != nil {
+		o.Options = make(map[string]string)
+		for k, v := range m.Options {
+			o.Options[k] = v
+		}
+	}
+
+	return o
+}
+
 func (m *CAConfig) Copy() *CAConfig {
 	if m == nil {
 		return nil
@@ -1573,6 +1636,13 @@ func (m *CAConfig) Copy() *CAConfig {
 		NodeCertExpiry: m.NodeCertExpiry.Copy(),
 	}
 
+	if m.ExternalCAs != nil {
+		o.ExternalCAs = make([]*ExternalCA, 0, len(m.ExternalCAs))
+		for _, v := range m.ExternalCAs {
+			o.ExternalCAs = append(o.ExternalCAs, v.Copy())
+		}
+	}
+
 	return o
 }
 
@@ -2122,15 +2192,42 @@ func (this *AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) GoString() string
 	s = append(s, "}")
 	return strings.Join(s, "")
 }
+func (this *ExternalCA) GoString() string {
+	if this == nil {
+		return "nil"
+	}
+	s := make([]string, 0, 7)
+	s = append(s, "&api.ExternalCA{")
+	s = append(s, "Protocol: "+fmt.Sprintf("%#v", this.Protocol)+",\n")
+	s = append(s, "URL: "+fmt.Sprintf("%#v", this.URL)+",\n")
+	keysForOptions := make([]string, 0, len(this.Options))
+	for k, _ := range this.Options {
+		keysForOptions = append(keysForOptions, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForOptions)
+	mapStringForOptions := "map[string]string{"
+	for _, k := range keysForOptions {
+		mapStringForOptions += fmt.Sprintf("%#v: %#v,", k, this.Options[k])
+	}
+	mapStringForOptions += "}"
+	if this.Options != nil {
+		s = append(s, "Options: "+mapStringForOptions+",\n")
+	}
+	s = append(s, "}")
+	return strings.Join(s, "")
+}
 func (this *CAConfig) GoString() string {
 	if this == nil {
 		return "nil"
 	}
-	s := make([]string, 0, 5)
+	s := make([]string, 0, 6)
 	s = append(s, "&api.CAConfig{")
 	if this.NodeCertExpiry != nil {
 		s = append(s, "NodeCertExpiry: "+fmt.Sprintf("%#v", this.NodeCertExpiry)+",\n")
 	}
+	if this.ExternalCAs != nil {
+		s = append(s, "ExternalCAs: "+fmt.Sprintf("%#v", this.ExternalCAs)+",\n")
+	}
 	s = append(s, "}")
 	return strings.Join(s, "")
 }
@@ -3341,6 +3438,52 @@ func (m *AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) MarshalTo(data []byt
 	return i, nil
 }
 
+func (m *ExternalCA) Marshal() (data []byte, err error) {
+	size := m.Size()
+	data = make([]byte, size)
+	n, err := m.MarshalTo(data)
+	if err != nil {
+		return nil, err
+	}
+	return data[:n], nil
+}
+
+func (m *ExternalCA) MarshalTo(data []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Protocol != 0 {
+		data[i] = 0x8
+		i++
+		i = encodeVarintTypes(data, i, uint64(m.Protocol))
+	}
+	if len(m.URL) > 0 {
+		data[i] = 0x12
+		i++
+		i = encodeVarintTypes(data, i, uint64(len(m.URL)))
+		i += copy(data[i:], m.URL)
+	}
+	if len(m.Options) > 0 {
+		for k, _ := range m.Options {
+			data[i] = 0x1a
+			i++
+			v := m.Options[k]
+			mapSize := 1 + len(k) + sovTypes(uint64(len(k))) + 1 + len(v) + sovTypes(uint64(len(v)))
+			i = encodeVarintTypes(data, i, uint64(mapSize))
+			data[i] = 0xa
+			i++
+			i = encodeVarintTypes(data, i, uint64(len(k)))
+			i += copy(data[i:], k)
+			data[i] = 0x12
+			i++
+			i = encodeVarintTypes(data, i, uint64(len(v)))
+			i += copy(data[i:], v)
+		}
+	}
+	return i, nil
+}
+
 func (m *CAConfig) Marshal() (data []byte, err error) {
 	size := m.Size()
 	data = make([]byte, size)
@@ -3366,6 +3509,18 @@ func (m *CAConfig) MarshalTo(data []byte) (int, error) {
 		}
 		i += n18
 	}
+	if len(m.ExternalCAs) > 0 {
+		for _, msg := range m.ExternalCAs {
+			data[i] = 0x12
+			i++
+			i = encodeVarintTypes(data, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(data[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
 	return i, nil
 }
 
@@ -4161,6 +4316,27 @@ func (m *AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) Size() (n int) {
 	return n
 }
 
+func (m *ExternalCA) Size() (n int) {
+	var l int
+	_ = l
+	if m.Protocol != 0 {
+		n += 1 + sovTypes(uint64(m.Protocol))
+	}
+	l = len(m.URL)
+	if l > 0 {
+		n += 1 + l + sovTypes(uint64(l))
+	}
+	if len(m.Options) > 0 {
+		for k, v := range m.Options {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovTypes(uint64(len(k))) + 1 + len(v) + sovTypes(uint64(len(v)))
+			n += mapEntrySize + 1 + sovTypes(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
 func (m *CAConfig) Size() (n int) {
 	var l int
 	_ = l
@@ -4168,6 +4344,12 @@ func (m *CAConfig) Size() (n int) {
 		l = m.NodeCertExpiry.Size()
 		n += 1 + l + sovTypes(uint64(l))
 	}
+	if len(m.ExternalCAs) > 0 {
+		for _, e := range m.ExternalCAs {
+			l = e.Size()
+			n += 1 + l + sovTypes(uint64(l))
+		}
+	}
 	return n
 }
 
@@ -4701,12 +4883,35 @@ func (this *AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) String() string {
 	}, "")
 	return s
 }
+func (this *ExternalCA) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForOptions := make([]string, 0, len(this.Options))
+	for k, _ := range this.Options {
+		keysForOptions = append(keysForOptions, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForOptions)
+	mapStringForOptions := "map[string]string{"
+	for _, k := range keysForOptions {
+		mapStringForOptions += fmt.Sprintf("%v: %v,", k, this.Options[k])
+	}
+	mapStringForOptions += "}"
+	s := strings.Join([]string{`&ExternalCA{`,
+		`Protocol:` + fmt.Sprintf("%v", this.Protocol) + `,`,
+		`URL:` + fmt.Sprintf("%v", this.URL) + `,`,
+		`Options:` + mapStringForOptions + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *CAConfig) String() string {
 	if this == nil {
 		return "nil"
 	}
 	s := strings.Join([]string{`&CAConfig{`,
 		`NodeCertExpiry:` + strings.Replace(fmt.Sprintf("%v", this.NodeCertExpiry), "Duration", "docker_swarmkit_v11.Duration", 1) + `,`,
+		`ExternalCAs:` + strings.Replace(fmt.Sprintf("%v", this.ExternalCAs), "ExternalCA", "ExternalCA", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -8574,6 +8779,215 @@ func (m *AcceptancePolicy_RoleAdmissionPolicy_HashedSecret) Unmarshal(data []byt
 	}
 	return nil
 }
+func (m *ExternalCA) Unmarshal(data []byte) error {
+	l := len(data)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTypes
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := data[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ExternalCA: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ExternalCA: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Protocol", wireType)
+			}
+			m.Protocol = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				m.Protocol |= (ExternalCA_CAProtocol(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field URL", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.URL = string(data[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Options", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			var keykey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				keykey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			var stringLenmapkey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				stringLenmapkey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLenmapkey := int(stringLenmapkey)
+			if intStringLenmapkey < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postStringIndexmapkey := iNdEx + intStringLenmapkey
+			if postStringIndexmapkey > l {
+				return io.ErrUnexpectedEOF
+			}
+			mapkey := string(data[iNdEx:postStringIndexmapkey])
+			iNdEx = postStringIndexmapkey
+			var valuekey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				valuekey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			var stringLenmapvalue uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLenmapvalue := int(stringLenmapvalue)
+			if intStringLenmapvalue < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+			if postStringIndexmapvalue > l {
+				return io.ErrUnexpectedEOF
+			}
+			mapvalue := string(data[iNdEx:postStringIndexmapvalue])
+			iNdEx = postStringIndexmapvalue
+			if m.Options == nil {
+				m.Options = make(map[string]string)
+			}
+			m.Options[mapkey] = mapvalue
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTypes(data[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *CAConfig) Unmarshal(data []byte) error {
 	l := len(data)
 	iNdEx := 0
@@ -8636,6 +9050,37 @@ func (m *CAConfig) Unmarshal(data []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExternalCAs", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := data[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ExternalCAs = append(m.ExternalCAs, &ExternalCA{})
+			if err := m.ExternalCAs[len(m.ExternalCAs)-1].Unmarshal(data[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(data[iNdEx:])
@@ -9755,188 +10200,195 @@ var (
 )
 
 var fileDescriptorTypes = []byte{
-	// 2925 bytes of a gzipped FileDescriptorProto
+	// 3030 bytes of a gzipped FileDescriptorProto
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+	0x23, 0x40, 0xff, 0x1e, 0x29, 0xd5, 0xed, 0x60, 0x68, 0x86, 0x20, 0x5b, 0xf6, 0x33, 0xda, 0x6d,
+	0x52, 0xea, 0x33, 0xa8, 0x67, 0x0f, 0x99, 0x09, 0x39, 0x91, 0xf9, 0xb6, 0xd7, 0x7b, 0x22, 0x3b,
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+	0xc1, 0x38, 0x80, 0x8e, 0x53, 0xbd, 0x99, 0x45, 0x04, 0xad, 0x49, 0xf2, 0x10, 0x3c, 0x3d, 0xdf,
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+	0x0a, 0x5c, 0x29, 0xbe, 0x59, 0x1e, 0xb8, 0xa0, 0xff, 0x75, 0xa0, 0xd5, 0x81, 0x7a, 0xb1, 0x8b,
+	0x1d, 0x04, 0xd7, 0x03, 0x5a, 0x41, 0x49, 0xc3, 0xae, 0x48, 0xd7, 0x49, 0x3e, 0x12, 0x86, 0x2f,
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+	0xa9, 0x73, 0x5f, 0x6c, 0xd3, 0x5f, 0xc9, 0x8b, 0xed, 0x8b, 0x9f, 0xa5, 0x48, 0x3e, 0xea, 0xe1,
+	0xd0, 0x65, 0xb0, 0x46, 0x59, 0x10, 0xdd, 0x75, 0x44, 0x6f, 0xf1, 0xea, 0x24, 0x6f, 0x6c, 0x6f,
+	0xef, 0xd6, 0x0c, 0x7c, 0xf0, 0x7c, 0x5b, 0x14, 0x31, 0x11, 0xc0, 0x80, 0x4b, 0x8b, 0x87, 0xde,
+	0xd3, 0xf4, 0x49, 0x11, 0x73, 0x5f, 0xf6, 0xf0, 0x11, 0x4a, 0x55, 0x30, 0xcf, 0x91, 0x9c, 0xd1,
+	0xe9, 0x34, 0x6f, 0xb7, 0x40, 0xd2, 0x83, 0x44, 0xf9, 0x29, 0x00, 0x5d, 0x98, 0x88, 0x82, 0xe4,
+	0x7b, 0xec, 0x82, 0x24, 0x44, 0xd5, 0x6a, 0x8d, 0x36, 0xae, 0x77, 0x3f, 0x39, 0x8f, 0xe2, 0xa9,
+	0x9b, 0x3f, 0x88, 0xe5, 0xdb, 0xb4, 0xd1, 0x36, 0x28, 0xae, 0xf8, 0x20, 0x39, 0xb7, 0xaf, 0xb6,
+	0xcf, 0xa0, 0xab, 0xc7, 0x35, 0xd7, 0xd5, 0xeb, 0xed, 0xfd, 0x54, 0x59, 0x03, 0xcc, 0xf2, 0xa4,
+	0x71, 0x05, 0xfb, 0x8e, 0x71, 0xb5, 0xce, 0x9e, 0x41, 0xf7, 0xb8, 0x98, 0xd4, 0xdc, 0x6a, 0x1d,
+	0x7c, 0x4e, 0x40, 0x29, 0xa0, 0x1d, 0xdd, 0x6f, 0xb5, 0xb8, 0x76, 0xe9, 0x39, 0xed, 0xe8, 0xc8,
+	0x75, 0x11, 0x73, 0x1d, 0x52, 0xd8, 0xee, 0x4e, 0x7b, 0xbb, 0xb1, 0xd7, 0x28, 0x3d, 0x48, 0xcf,
+	0x6d, 0xa8, 0xe6, 0x0d, 0x86, 0x0e, 0x0b, 0x85, 0x7a, 0x9d, 0xad, 0xfd, 0x3d, 0xfe, 0xb8, 0x7c,
+	0x3f, 0x33, 0xbf, 0x60, 0x7f, 0x14, 0xf6, 0xb0, 0x6c, 0xbc, 0x16, 0xd5, 0x71, 0x0f, 0x32, 0x22,
+	0x65, 0x46, 0x18, 0x51, 0xc4, 0xa1, 0x1c, 0xda, 0xf8, 0xae, 0x78, 0x87, 0xbe, 0x9f, 0x9d, 0x93,
+	0x43, 0xd9, 0xbb, 0x10, 0x05, 0xa1, 0xd4, 0x8b, 0x9e, 0xa4, 0xa2, 0xa9, 0x17, 0x7f, 0x40, 0x72,
+	0x2a, 0x60, 0x80, 0x75, 0xb2, 0x77, 0x77, 0xe9, 0x9d, 0x06, 0x85, 0xa3, 0xe7, 0xd6, 0x51, 0x33,
+	0x77, 0x3d, 0x1f, 0xbc, 0x0b, 0xb6, 0xb1, 0xb8, 0x63, 0xb4, 0x8c, 0xdb, 0x00, 0x90, 0x6f, 0x5e,
+	0x0a, 0x20, 0xbd, 0xbe, 0x5c, 0x92, 0x0b, 0x44, 0x32, 0xab, 0x6b, 0x0f, 0x3f, 0x59, 0x5f, 0xf8,
+	0x08, 0x7e, 0x7f, 0xff, 0x64, 0x3d, 0x71, 0xff, 0xd3, 0xf5, 0xc4, 0x43, 0xf8, 0xfd, 0x01, 0x7e,
+	0x7f, 0x81, 0xdf, 0x61, 0x96, 0xd7, 0x2f, 0xaf, 0xfd, 0x37, 0x00, 0x00, 0xff, 0xff, 0x2c, 0xf4,
+	0xf4, 0x16, 0x49, 0x1d, 0x00, 0x00,
 }

vendor/src/github.com/docker/swarmkit/api/types.proto

@@ -447,9 +447,29 @@ message AcceptancePolicy {
 }
 
 
+message ExternalCA {
+	enum CAProtocol {
+		CFSSL = 0 [(gogoproto.enumvalue_customname) = "CAProtocolCFSSL"];
+	}
+
+	// Protocol is the protocol used by this external CA.
+	CAProtocol protocol = 1;
+
+	// URL is the URL where the external CA can be reached.
+	string url = 2 [(gogoproto.customname) = "URL"];
+
+	// Options is a set of additional key/value pairs whose interpretation
+	// depends on the specified CA type.
+	map<string, string> options = 3;
+}
+
 message CAConfig {
 	// NodeCertExpiry is the duration certificates should be issued for
 	Duration node_cert_expiry = 1;
+
+	// ExternalCAs is a list of CAs to which a manager node will make
+	// certificate signing requests for node certificates.
+	repeated ExternalCA external_cas = 2 [(gogoproto.customname) = "ExternalCAs"];
 }
 
 // OrchestrationConfig defines cluster-level orchestration settings.

vendor/src/github.com/docker/swarmkit/ca/certificates.go

@@ -167,7 +167,16 @@ func (rca *RootCA) RequestAndSaveNewCertificates(ctx context.Context, paths Cert
 	}
 
 	// Get the remote manager to issue a CA signed certificate for this node
-	signedCert, err := GetRemoteSignedCertificate(ctx, csr, role, secret, rca.Pool, picker, transport, nodeInfo)
+	// Retry up to 5 times in case the manager we first try to contact isn't
+	// responding properly (for example, it may have just been demoted).
+	var signedCert []byte
+	for i := 0; i != 5; i++ {
+		signedCert, err = GetRemoteSignedCertificate(ctx, csr, role, secret, rca.Pool, picker, transport, nodeInfo)
+		if err == nil {
+			break
+		}
+		log.Warningf("error fetching signed node certificate: %v", err)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -192,6 +201,12 @@ func (rca *RootCA) RequestAndSaveNewCertificates(ctx context.Context, paths Cert
 		return nil, err
 	}
 
+	// Create a valid TLSKeyPair out of the PEM encoded private key and certificate
+	tlsKeyPair, err := tls.X509KeyPair(signedCert, key)
+	if err != nil {
+		return nil, err
+	}
+
 	log.Infof("Downloaded new TLS credentials with role: %s.", role)
 
 	// Ensure directory exists
@@ -210,40 +225,50 @@ func (rca *RootCA) RequestAndSaveNewCertificates(ctx context.Context, paths Cert
 		return nil, err
 	}
 
-	// Create a valid TLSKeyPair out of the PEM encoded private key and certificate
-	tlsKeyPair, err := tls.X509KeyPair(signedCert, key)
-	if err != nil {
-		return nil, err
-	}
-
 	return &tlsKeyPair, nil
 }
 
-// ParseValidateAndSignCSR returns a signed certificate from a particular rootCA and a CSR.
-func (rca *RootCA) ParseValidateAndSignCSR(csrBytes []byte, cn, ou, org string) ([]byte, error) {
-	if !rca.CanSign() {
-		return nil, ErrNoValidSigner
-	}
-
-	// All managers get added the subject-alt-name of CA, so they can be used for cert issuance
+// PrepareCSR creates a CFSSL Sign Request based on the given raw CSR and
+// overrides the Subject and Hosts with the given extra args.
+func PrepareCSR(csrBytes []byte, cn, ou, org string) cfsigner.SignRequest {
+	// All managers get added the subject-alt-name of CA, so they can be
+	// used for cert issuance.
 	hosts := []string{ou}
 	if ou == ManagerRole {
 		hosts = append(hosts, CARole)
 	}
 
-	cert, err := rca.Signer.Sign(cfsigner.SignRequest{
+	return cfsigner.SignRequest{
 		Request: string(csrBytes),
 		// OU is used for Authentication of the node type. The CN has the random
 		// node ID.
 		Subject: &cfsigner.Subject{CN: cn, Names: []cfcsr.Name{{OU: ou, O: org}}},
 		// Adding ou as DNS alt name, so clients can connect to ManagerRole and CARole
 		Hosts: hosts,
-	})
+	}
+}
+
+// ParseValidateAndSignCSR returns a signed certificate from a particular rootCA and a CSR.
+func (rca *RootCA) ParseValidateAndSignCSR(csrBytes []byte, cn, ou, org string) ([]byte, error) {
+	if !rca.CanSign() {
+		return nil, ErrNoValidSigner
+	}
+
+	signRequest := PrepareCSR(csrBytes, cn, ou, org)
+
+	cert, err := rca.Signer.Sign(signRequest)
 	if err != nil {
 		log.Debugf("failed to sign node certificate: %v", err)
 		return nil, err
 	}
 
+	return rca.AppendFirstRootPEM(cert)
+}
+
+// AppendFirstRootPEM appends the first certificate from this RootCA's cert
+// bundle to the given cert bundle (which should already be encoded as a series
+// of PEM-encoded certificate blocks).
+func (rca *RootCA) AppendFirstRootPEM(cert []byte) ([]byte, error) {
 	// Append the first root CA Cert to the certificate, to create a valid chain
 	// Get the first Root CA Cert on the bundle
 	firstRootCA, _, err := helpers.ParseOneCertificateFromPEM(rca.Cert)
@@ -390,7 +415,7 @@ func GetLocalRootCA(baseDir string) (RootCA, error) {
 
 	rootCA, err := NewRootCA(cert, key, DefaultNodeCertExpiration)
 	if err == nil {
-		log.Debugf("successfully loaded the signer for the Root CA: %s", paths.RootCA.Cert)
+		log.Debugf("successfully loaded the Root CA: %s", paths.RootCA.Cert)
 	}
 
 	return rootCA, err
@@ -602,7 +627,7 @@ func GetRemoteSignedCertificate(ctx context.Context, csr []byte, role, secret st
 	}
 	defer conn.Close()
 
-	// Create a CAClient to retreive a new Certificate
+	// Create a CAClient to retrieve a new Certificate
 	caClient := api.NewNodeCAClient(conn)
 
 	// Convert our internal string roles into an API role
@@ -644,7 +669,15 @@ func GetRemoteSignedCertificate(ctx context.Context, csr []byte, role, secret st
 			if statusResponse.Certificate == nil {
 				return nil, fmt.Errorf("no certificate in CertificateStatus response")
 			}
-			return statusResponse.Certificate.Certificate, nil
+
+			// The certificate in the response must match the CSR
+			// we submitted. If we are getting a response for a
+			// certificate that was previously issued, we need to
+			// retry until the certificate gets updated per our
+			// current request.
+			if bytes.Equal(statusResponse.Certificate.CSR, csr) {
+				return statusResponse.Certificate.Certificate, nil
+			}
 		}
 
 		// If we're still pending, the issuance failed, or the state is unknown

vendor/src/github.com/docker/swarmkit/ca/config.go

@@ -45,7 +45,8 @@ const (
 type SecurityConfig struct {
 	mu sync.Mutex
 
-	rootCA *RootCA
+	rootCA     *RootCA
+	externalCA *ExternalCA
 
 	ServerTLSCreds *MutableTLSCreds
 	ClientTLSCreds *MutableTLSCreds
@@ -60,8 +61,19 @@ type CertificateUpdate struct {
 
 // NewSecurityConfig initializes and returns a new SecurityConfig.
 func NewSecurityConfig(rootCA *RootCA, clientTLSCreds, serverTLSCreds *MutableTLSCreds) *SecurityConfig {
+	// Make a new TLS config for the external CA client without a
+	// ServerName value set.
+	clientTLSConfig := clientTLSCreds.Config()
+
+	externalCATLSConfig := &tls.Config{
+		Certificates: clientTLSConfig.Certificates,
+		RootCAs:      clientTLSConfig.RootCAs,
+		MinVersion:   tls.VersionTLS12,
+	}
+
 	return &SecurityConfig{
 		rootCA:         rootCA,
+		externalCA:     NewExternalCA(rootCA, externalCATLSConfig),
 		ClientTLSCreds: clientTLSCreds,
 		ServerTLSCreds: serverTLSCreds,
 	}
@@ -164,8 +176,18 @@ func LoadOrCreateSecurityConfig(ctx context.Context, baseCertDir, caHash, secret
 			return nil, err
 		}
 
-		// Get the remote CA certificate, verify integrity with the hash provided
-		rootCA, err = GetRemoteCA(ctx, d, picker)
+		// Get the remote CA certificate, verify integrity with the
+		// hash provided. Retry up to 5 times, in case the manager we
+		// first try to contact is not responding properly (it may have
+		// just been demoted, for example).
+
+		for i := 0; i != 5; i++ {
+			rootCA, err = GetRemoteCA(ctx, d, picker)
+			if err == nil {
+				break
+			}
+			log.Warningf("failed to retrieve remote root CA certificate: %v", err)
+		}
 		if err != nil {
 			return nil, err
 		}
@@ -180,9 +202,9 @@ func LoadOrCreateSecurityConfig(ctx context.Context, baseCertDir, caHash, secret
 		return nil, err
 	}
 
-	// At this point we've successfully loaded the CA details from disk, or successfully
-	// downloaded them remotely.
-	// The next step is to try to load our certificates.
+	// At this point we've successfully loaded the CA details from disk, or
+	// successfully downloaded them remotely. The next step is to try to
+	// load our certificates.
 	clientTLSCreds, serverTLSCreds, err = LoadTLSCreds(rootCA, paths.Node)
 	if err != nil {
 		log.Debugf("no valid local TLS credentials found: %v", err)
@@ -204,6 +226,9 @@ func LoadOrCreateSecurityConfig(ctx context.Context, baseCertDir, caHash, secret
 				}
 			}
 			tlsKeyPair, err = rootCA.IssueAndSaveNewCertificates(paths.Node, cn, proposedRole, org)
+			if err != nil {
+				return nil, err
+			}
 		} else {
 			// There was an error loading our Credentials, let's get a new certificate issued
 			// Last argument is nil because at this point we don't have any valid TLS creds
@@ -211,7 +236,6 @@ func LoadOrCreateSecurityConfig(ctx context.Context, baseCertDir, caHash, secret
 			if err != nil {
 				return nil, err
 			}
-
 		}
 		// Create the Server TLS Credentials for this node. These will not be used by agents.
 		serverTLSCreds, err = rootCA.NewServerTLSCredentials(tlsKeyPair)
@@ -236,12 +260,7 @@ func LoadOrCreateSecurityConfig(ctx context.Context, baseCertDir, caHash, secret
 		log.Debugf("loaded local TLS credentials: %s.", paths.Node.Cert)
 	}
 
-	return &SecurityConfig{
-		rootCA: &rootCA,
-
-		ServerTLSCreds: serverTLSCreds,
-		ClientTLSCreds: clientTLSCreds,
-	}, nil
+	return NewSecurityConfig(&rootCA, clientTLSCreds, serverTLSCreds), nil
 }
 
 // RenewTLSConfig will continuously monitor for the necessity of renewing the local certificates, either by
@@ -317,6 +336,14 @@ func RenewTLSConfig(ctx context.Context, s *SecurityConfig, baseCertDir string,
 				updates <- CertificateUpdate{Err: err}
 			}
 
+			// Update the external CA to use the new client TLS
+			// config using a copy without a serverName specified.
+			s.externalCA.UpdateTLSConfig(&tls.Config{
+				Certificates: clientTLSConfig.Certificates,
+				RootCAs:      clientTLSConfig.RootCAs,
+				MinVersion:   tls.VersionTLS12,
+			})
+
 			err = s.ServerTLSCreds.LoadNewTLSConfig(serverTLSConfig)
 			if err != nil {
 				log.Debugf("failed to update the server TLS credentials: %v", err)
@@ -405,7 +432,7 @@ func LoadTLSCreds(rootCA RootCA, paths CertPaths) (*MutableTLSCreds, *MutableTLS
 		}
 
 		keyPair, newErr = tls.X509KeyPair(cert, key)
-		if err != nil {
+		if newErr != nil {
 			return nil, nil, err
 		}
 	}

vendor/src/github.com/docker/swarmkit/ca/external.go

@@ -0,0 +1,141 @@
+package ca
+
+import (
+	"bytes"
+	"crypto/tls"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"sync"
+
+	log "github.com/Sirupsen/logrus"
+	"github.com/cloudflare/cfssl/api"
+	"github.com/cloudflare/cfssl/signer"
+)
+
+// ErrNoExternalCAURLs is an error used it indicate that an ExternalCA is
+// configured with no URLs to which it can proxy certificate signing requests.
+var ErrNoExternalCAURLs = errors.New("no external CA URLs")
+
+// ExternalCA is able to make certificate signing requests to one of a list
+// remote CFSSL API endpoints.
+type ExternalCA struct {
+	mu     sync.Mutex
+	rootCA *RootCA
+	urls   []string
+	client *http.Client
+}
+
+// NewExternalCA creates a new ExternalCA which uses the given tlsConfig to
+// authenticate to any of the given URLS of CFSSL API endpoints.
+func NewExternalCA(rootCA *RootCA, tlsConfig *tls.Config, urls ...string) *ExternalCA {
+	return &ExternalCA{
+		rootCA: rootCA,
+		urls:   urls,
+		client: &http.Client{
+			Transport: &http.Transport{
+				TLSClientConfig: tlsConfig,
+			},
+		},
+	}
+}
+
+// UpdateTLSConfig updates the HTTP Client for this ExternalCA by creating
+// a new client which uses the given tlsConfig.
+func (eca *ExternalCA) UpdateTLSConfig(tlsConfig *tls.Config) {
+	eca.mu.Lock()
+	defer eca.mu.Unlock()
+
+	eca.client = &http.Client{
+		Transport: &http.Transport{
+			TLSClientConfig: tlsConfig,
+		},
+	}
+}
+
+// UpdateURLs updates the list of CSR API endpoints by setting it to the given
+// urls.
+func (eca *ExternalCA) UpdateURLs(urls ...string) {
+	eca.mu.Lock()
+	defer eca.mu.Unlock()
+
+	eca.urls = urls
+}
+
+// Sign signs a new certificate by proxying the given certificate signing
+// request to an external CFSSL API server.
+func (eca *ExternalCA) Sign(req signer.SignRequest) (cert []byte, err error) {
+	// Get the current HTTP client and list of URLs in a small critical
+	// section. We will use these to make certificate signing requests.
+	eca.mu.Lock()
+	urls := eca.urls
+	client := eca.client
+	eca.mu.Unlock()
+
+	if len(urls) == 0 {
+		return nil, ErrNoExternalCAURLs
+	}
+
+	csrJSON, err := json.Marshal(req)
+	if err != nil {
+		return nil, fmt.Errorf("unable to JSON-encode CFSSL signing request: %s", err)
+	}
+
+	// Try each configured proxy URL. Return after the first success. If
+	// all fail then the last error will be returned.
+	for _, url := range urls {
+		cert, err = makeExternalSignRequest(client, url, csrJSON)
+		if err == nil {
+			return eca.rootCA.AppendFirstRootPEM(cert)
+		}
+
+		log.Debugf("unable to proxy certificate signing request to %s: %s", url, err)
+	}
+
+	return nil, err
+}
+
+func makeExternalSignRequest(client *http.Client, url string, csrJSON []byte) (cert []byte, err error) {
+	resp, err := client.Post(url, "application/json", bytes.NewReader(csrJSON))
+	if err != nil {
+		return nil, fmt.Errorf("unable to perform certificate signing request: %s", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("unable to read CSR response body: %s", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code in CSR response: %d - %s", resp.StatusCode, string(body))
+	}
+
+	var apiResponse api.Response
+	if err := json.Unmarshal(body, &apiResponse); err != nil {
+		log.Debugf("unable to JSON-parse CFSSL API response body: %s", string(body))
+		return nil, fmt.Errorf("unable to parse JSON response: %s", err)
+	}
+
+	if !apiResponse.Success || apiResponse.Result == nil {
+		if len(apiResponse.Errors) > 0 {
+			return nil, fmt.Errorf("response errors: %v", apiResponse.Errors)
+		}
+
+		return nil, fmt.Errorf("certificate signing request failed")
+	}
+
+	result, ok := apiResponse.Result.(map[string]interface{})
+	if !ok {
+		return nil, fmt.Errorf("invalid result type: %T", apiResponse.Result)
+	}
+
+	certPEM, ok := result["certificate"].(string)
+	if !ok {
+		return nil, fmt.Errorf("invalid result certificate field type: %T", result["certificate"])
+	}
+
+	return []byte(certPEM), nil
+}

vendor/src/github.com/docker/swarmkit/ca/server.go

@@ -355,7 +355,7 @@ func (s *Server) Run(ctx context.Context) error {
 	s.mu.Lock()
 	if s.isRunning() {
 		s.mu.Unlock()
-		return fmt.Errorf("CA signer is stopped")
+		return fmt.Errorf("CA signer is already running")
 	}
 	s.wg.Add(1)
 	defer s.wg.Done()
@@ -443,12 +443,14 @@ func (s *Server) Run(ctx context.Context) error {
 func (s *Server) Stop() error {
 	s.mu.Lock()
 	if !s.isRunning() {
+		s.mu.Unlock()
 		return fmt.Errorf("CA signer is already stopped")
 	}
 	s.cancel()
 	s.mu.Unlock()
 	// wait for all handlers to finish their CA deals,
 	s.wg.Wait()
+	s.started = make(chan struct{})
 	return nil
 }
 
@@ -530,6 +532,21 @@ func (s *Server) updateCluster(ctx context.Context, cluster *api.Cluster) {
 			}).Debugf("Root CA updated successfully")
 		}
 	}
+
+	// Update our security config with the list of External CA URLs
+	// from the new cluster state.
+
+	// TODO(aaronl): In the future, this will be abstracted with an
+	// ExternalCA interface that has different implementations for
+	// different CA types. At the moment, only CFSSL is supported.
+	var cfsslURLs []string
+	for _, ca := range cluster.Spec.CAConfig.ExternalCAs {
+		if ca.Protocol == api.ExternalCA_CAProtocolCFSSL {
+			cfsslURLs = append(cfsslURLs, ca.URL)
+		}
+	}
+
+	s.securityConfig.externalCA.UpdateURLs(cfsslURLs...)
 }
 
 // evaluateAndSignNodeCert implements the logic of which certificates to sign
@@ -555,13 +572,8 @@ func (s *Server) evaluateAndSignNodeCert(ctx context.Context, node *api.Node) {
 
 // signNodeCert does the bulk of the work for signing a certificate
 func (s *Server) signNodeCert(ctx context.Context, node *api.Node) {
-	if !s.securityConfig.RootCA().CanSign() {
-		log.G(ctx).WithFields(logrus.Fields{
-			"node.id": node.ID,
-			"method":  "(*Server).signNodeCert",
-		}).Errorf("no valid signer found")
-		return
-	}
+	rootCA := s.securityConfig.RootCA()
+	externalCA := s.securityConfig.externalCA
 
 	node = node.Copy()
 	nodeID := node.ID
@@ -576,7 +588,20 @@ func (s *Server) signNodeCert(ctx context.Context, node *api.Node) {
 	}
 
 	// Attempt to sign the CSR
-	cert, err := s.securityConfig.RootCA().ParseValidateAndSignCSR(node.Certificate.CSR, node.Certificate.CN, role, s.securityConfig.ClientTLSCreds.Organization())
+	var (
+		rawCSR = node.Certificate.CSR
+		cn     = node.Certificate.CN
+		ou     = role
+		org    = s.securityConfig.ClientTLSCreds.Organization()
+	)
+
+	// Try using the external CA first.
+	cert, err := externalCA.Sign(PrepareCSR(rawCSR, cn, ou, org))
+	if err == ErrNoExternalCAURLs {
+		// No external CA servers configured. Try using the local CA.
+		cert, err = rootCA.ParseValidateAndSignCSR(rawCSR, cn, ou, org)
+	}
+
 	if err != nil {
 		log.G(ctx).WithFields(logrus.Fields{
 			"node.id": node.ID,

vendor/src/github.com/docker/swarmkit/ca/transport.go

@@ -124,6 +124,14 @@ func (c *MutableTLSCreds) LoadNewTLSConfig(newConfig *tls.Config) error {
 	return nil
 }
 
+// Config returns the current underlying TLS config.
+func (c *MutableTLSCreds) Config() *tls.Config {
+	c.Lock()
+	defer c.Unlock()
+
+	return c.config
+}
+
 // Role returns the OU for the certificate encapsulated in this TransportAuthenticator
 func (c *MutableTLSCreds) Role() string {
 	c.Lock()

vendor/src/github.com/docker/swarmkit/manager/allocator/network.go

@@ -52,6 +52,16 @@ type networkContext struct {
 	// A table of unallocated tasks which will be revisited if any thing
 	// changes in system state that might help task allocation.
 	unallocatedTasks map[string]*api.Task
+
+	// A table of unallocated services which will be revisited if
+	// any thing changes in system state that might help service
+	// allocation.
+	unallocatedServices map[string]*api.Service
+
+	// A table of unallocated networks which will be revisited if
+	// any thing changes in system state that might help network
+	// allocation.
+	unallocatedNetworks map[string]*api.Network
 }
 
 func (a *Allocator) doNetworkInit(ctx context.Context) error {
@@ -61,8 +71,10 @@ func (a *Allocator) doNetworkInit(ctx context.Context) error {
 	}
 
 	nc := &networkContext{
-		nwkAllocator:     na,
-		unallocatedTasks: make(map[string]*api.Task),
+		nwkAllocator:        na,
+		unallocatedTasks:    make(map[string]*api.Task),
+		unallocatedServices: make(map[string]*api.Service),
+		unallocatedNetworks: make(map[string]*api.Network),
 	}
 
 	// Check if we have the ingress network. If not found create
@@ -326,6 +338,8 @@ func (a *Allocator) doNetworkAlloc(ctx context.Context, ev events.Event) {
 	case state.EventCreateTask, state.EventUpdateTask, state.EventDeleteTask:
 		a.doTaskAlloc(ctx, nc, ev)
 	case state.EventCommit:
+		a.procUnallocatedNetworks(ctx, nc)
+		a.procUnallocatedServices(ctx, nc)
 		a.procUnallocatedTasksNetwork(ctx, nc)
 		return
 	}
@@ -554,29 +568,34 @@ func (a *Allocator) allocateNode(ctx context.Context, nc *networkContext, node *
 }
 
 func (a *Allocator) allocateService(ctx context.Context, nc *networkContext, s *api.Service) error {
-	// The service is trying to expose ports to the external
-	// world. Automatically attach the service to the ingress
-	// network only if it is not already done.
-	if s.Spec.Endpoint != nil && len(s.Spec.Endpoint.Ports) != 0 {
+	if s.Spec.Endpoint != nil {
 		if s.Endpoint == nil {
-			s.Endpoint = &api.Endpoint{}
+			s.Endpoint = &api.Endpoint{
+				Spec: s.Spec.Endpoint.Copy(),
+			}
 		}
 
-		var found bool
-		for _, vip := range s.Endpoint.VirtualIPs {
-			if vip.NetworkID == ingressNetwork.ID {
-				found = true
-				break
+		// The service is trying to expose ports to the external
+		// world. Automatically attach the service to the ingress
+		// network only if it is not already done.
+		if len(s.Spec.Endpoint.Ports) != 0 {
+			var found bool
+			for _, vip := range s.Endpoint.VirtualIPs {
+				if vip.NetworkID == ingressNetwork.ID {
+					found = true
+					break
+				}
 			}
-		}
 
-		if !found {
-			s.Endpoint.VirtualIPs = append(s.Endpoint.VirtualIPs,
-				&api.Endpoint_VirtualIP{NetworkID: ingressNetwork.ID})
+			if !found {
+				s.Endpoint.VirtualIPs = append(s.Endpoint.VirtualIPs,
+					&api.Endpoint_VirtualIP{NetworkID: ingressNetwork.ID})
+			}
 		}
 	}
 
 	if err := nc.nwkAllocator.ServiceAllocate(s); err != nil {
+		nc.unallocatedServices[s.ID] = s
 		return err
 	}
 
@@ -611,6 +630,7 @@ func (a *Allocator) allocateService(ctx context.Context, nc *networkContext, s *
 
 func (a *Allocator) allocateNetwork(ctx context.Context, nc *networkContext, n *api.Network) error {
 	if err := nc.nwkAllocator.Allocate(n); err != nil {
+		nc.unallocatedNetworks[n.ID] = n
 		return fmt.Errorf("failed during network allocation for network %s: %v", n.ID, err)
 	}
 
@@ -666,6 +686,8 @@ func (a *Allocator) allocateTask(ctx context.Context, nc *networkContext, tx sto
 			if !nc.nwkAllocator.IsAllocated(n) {
 				return nil, fmt.Errorf("network %s attached to task %s not allocated yet", n.ID, t.ID)
 			}
+
+			na.Network = n
 		}
 
 		if err := nc.nwkAllocator.AllocateTask(t); err != nil {
@@ -696,6 +718,32 @@ func (a *Allocator) allocateTask(ctx context.Context, nc *networkContext, tx sto
 	return storeT, nil
 }
 
+func (a *Allocator) procUnallocatedNetworks(ctx context.Context, nc *networkContext) {
+	for _, n := range nc.unallocatedNetworks {
+		if !nc.nwkAllocator.IsAllocated(n) {
+			if err := a.allocateNetwork(ctx, nc, n); err != nil {
+				log.G(ctx).Debugf("Failed allocation of unallocated network %s: %v", n.ID, err)
+				continue
+			}
+		}
+
+		delete(nc.unallocatedNetworks, n.ID)
+	}
+}
+
+func (a *Allocator) procUnallocatedServices(ctx context.Context, nc *networkContext) {
+	for _, s := range nc.unallocatedServices {
+		if serviceAllocationNeeded(s, nc) {
+			if err := a.allocateService(ctx, nc, s); err != nil {
+				log.G(ctx).Debugf("Failed allocation of unallocated service %s: %v", s.ID, err)
+				continue
+			}
+		}
+
+		delete(nc.unallocatedServices, s.ID)
+	}
+}
+
 func (a *Allocator) procUnallocatedTasksNetwork(ctx context.Context, nc *networkContext) {
 	tasks := make([]*api.Task, 0, len(nc.unallocatedTasks))
 

vendor/src/github.com/docker/swarmkit/manager/allocator/networkallocator/networkallocator.go

@@ -14,7 +14,10 @@ import (
 )
 
 const (
-	defaultDriver = "overlay"
+	// DefaultDriver defines the name of the driver to be used by
+	// default if a network without any driver name specified is
+	// created.
+	DefaultDriver = "overlay"
 )
 
 var (
@@ -69,7 +72,7 @@ func New() (*NetworkAllocator, error) {
 	}
 
 	// Add the manager component of overlay driver to the registry.
-	if err := reg.AddDriver(defaultDriver, defaultDriverInitFunc, nil); err != nil {
+	if err := reg.AddDriver(DefaultDriver, defaultDriverInitFunc, nil); err != nil {
 		return nil, err
 	}
 
@@ -96,6 +99,7 @@ func (na *NetworkAllocator) Allocate(n *api.Network) error {
 	}
 
 	if err := na.allocateDriverState(n); err != nil {
+		na.freePools(n, pools)
 		return fmt.Errorf("failed while allocating driver state for network %s: %v", n.ID, err)
 	}
 
@@ -146,7 +150,9 @@ func (na *NetworkAllocator) ServiceAllocate(s *api.Service) (err error) {
 	}
 
 	if s.Endpoint == nil {
-		s.Endpoint = &api.Endpoint{}
+		s.Endpoint = &api.Endpoint{
+			Spec: s.Spec.Endpoint.Copy(),
+		}
 	}
 
 	// First allocate VIPs for all the pre-populated endpoint attachments
@@ -520,7 +526,7 @@ func (na *NetworkAllocator) allocateDriverState(n *api.Network) error {
 
 // Resolve network driver
 func (na *NetworkAllocator) resolveDriver(n *api.Network) (driverapi.Driver, string, error) {
-	dName := defaultDriver
+	dName := DefaultDriver
 	if n.Spec.DriverConfig != nil && n.Spec.DriverConfig.Name != "" {
 		dName = n.Spec.DriverConfig.Name
 	}

vendor/src/github.com/docker/swarmkit/manager/controlapi/network.go

@@ -3,8 +3,10 @@ package controlapi
 import (
 	"net"
 
+	"github.com/docker/libnetwork/ipamapi"
 	"github.com/docker/swarmkit/api"
 	"github.com/docker/swarmkit/identity"
+	"github.com/docker/swarmkit/manager/allocator/networkallocator"
 	"github.com/docker/swarmkit/manager/state/store"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
@@ -57,6 +59,10 @@ func validateIPAM(ipam *api.IPAMOptions) error {
 		return err
 	}
 
+	if ipam.Driver != nil && ipam.Driver.Name != ipamapi.DefaultIPAM {
+		return grpc.Errorf(codes.InvalidArgument, "invalid IPAM specified")
+	}
+
 	for _, ipamConf := range ipam.Configs {
 		if err := validateIPAMConfiguration(ipamConf); err != nil {
 			return err
@@ -79,6 +85,10 @@ func validateNetworkSpec(spec *api.NetworkSpec) error {
 		return err
 	}
 
+	if spec.DriverConfig != nil && spec.DriverConfig.Name != networkallocator.DefaultDriver {
+		return grpc.Errorf(codes.InvalidArgument, "invalid driver specified")
+	}
+
 	if err := validateIPAM(spec.IPAM); err != nil {
 		return err
 	}

vendor/src/github.com/docker/swarmkit/manager/controlapi/service.go

@@ -8,6 +8,7 @@ import (
 	"github.com/docker/swarmkit/api"
 	"github.com/docker/swarmkit/identity"
 	"github.com/docker/swarmkit/manager/state/store"
+	"github.com/docker/swarmkit/protobuf/ptypes"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
@@ -15,6 +16,7 @@ import (
 
 var (
 	errNetworkUpdateNotSupported = errors.New("changing network in service is not supported")
+	errModeChangeNotAllowed      = errors.New("service mode change is not allowed")
 )
 
 func validateResources(r *api.Resources) error {
@@ -45,21 +47,70 @@ func validateResourceRequirements(r *api.ResourceRequirements) error {
 	return nil
 }
 
-func validateServiceSpecTemplate(spec *api.ServiceSpec) error {
-	if err := validateResourceRequirements(spec.Task.Resources); err != nil {
+func validateRestartPolicy(rp *api.RestartPolicy) error {
+	if rp == nil {
+		return nil
+	}
+
+	if rp.Delay != nil {
+		delay, err := ptypes.Duration(rp.Delay)
+		if err != nil {
+			return err
+		}
+		if delay < 0 {
+			return grpc.Errorf(codes.InvalidArgument, "TaskSpec: restart-delay cannot be negative")
+		}
+	}
+
+	if rp.Window != nil {
+		win, err := ptypes.Duration(rp.Window)
+		if err != nil {
+			return err
+		}
+		if win < 0 {
+			return grpc.Errorf(codes.InvalidArgument, "TaskSpec: restart-window cannot be negative")
+		}
+	}
+
+	return nil
+}
+
+func validateUpdate(uc *api.UpdateConfig) error {
+	if uc == nil {
+		return nil
+	}
+
+	delay, err := ptypes.Duration(&uc.Delay)
+	if err != nil {
+		return err
+	}
+
+	if delay < 0 {
+		return grpc.Errorf(codes.InvalidArgument, "TaskSpec: update-delay cannot be negative")
+	}
+
+	return nil
+}
+
+func validateTask(taskSpec api.TaskSpec) error {
+	if err := validateResourceRequirements(taskSpec.Resources); err != nil {
 		return err
 	}
 
-	if spec.Task.GetRuntime() == nil {
+	if err := validateRestartPolicy(taskSpec.Restart); err != nil {
+		return err
+	}
+
+	if taskSpec.GetRuntime() == nil {
 		return grpc.Errorf(codes.InvalidArgument, "TaskSpec: missing runtime")
 	}
 
-	_, ok := spec.Task.GetRuntime().(*api.TaskSpec_Container)
+	_, ok := taskSpec.GetRuntime().(*api.TaskSpec_Container)
 	if !ok {
 		return grpc.Errorf(codes.Unimplemented, "RuntimeSpec: unimplemented runtime in service spec")
 	}
 
-	container := spec.Task.GetContainer()
+	container := taskSpec.GetContainer()
 	if container == nil {
 		return grpc.Errorf(codes.InvalidArgument, "ContainerSpec: missing in service spec")
 	}
@@ -99,7 +150,13 @@ func validateServiceSpec(spec *api.ServiceSpec) error {
 	if err := validateAnnotations(spec.Annotations); err != nil {
 		return err
 	}
-	if err := validateServiceSpecTemplate(spec); err != nil {
+	if err := validateTask(spec.Task); err != nil {
+		return err
+	}
+	if err := validateUpdate(spec.Update); err != nil {
+		return err
+	}
+	if err := validateEndpointSpec(spec.Endpoint); err != nil {
 		return err
 	}
 	return nil
@@ -179,6 +236,12 @@ func (s *Server) UpdateService(ctx context.Context, request *api.UpdateServiceRe
 			return errNetworkUpdateNotSupported
 		}
 
+		// orchestrator is designed to be stateless, so it should not deal
+		// with service mode change (comparing current config with previous config).
+		// proper way to change service mode is to delete and re-add.
+		if request.Spec != nil && reflect.TypeOf(service.Spec.Mode) != reflect.TypeOf(request.Spec.Mode) {
+			return errModeChangeNotAllowed
+		}
 		service.Meta.Version = *request.ServiceVersion
 		service.Spec = *request.Spec.Copy()
 		return store.UpdateService(tx, service)

vendor/src/github.com/docker/swarmkit/manager/dispatcher/dispatcher.go

@@ -29,6 +29,7 @@ const (
 	DefaultHeartBeatPeriod       = 5 * time.Second
 	defaultHeartBeatEpsilon      = 500 * time.Millisecond
 	defaultGracePeriodMultiplier = 3
+	defaultRateLimitPeriod       = 16 * time.Second
 
 	// maxBatchItems is the threshold of queued writes that should
 	// trigger an actual transaction to commit them to the shared store.
@@ -59,9 +60,12 @@ var (
 // DefautConfig.
 type Config struct {
 	// Addr configures the address the dispatcher reports to agents.
-	Addr                  string
-	HeartbeatPeriod       time.Duration
-	HeartbeatEpsilon      time.Duration
+	Addr             string
+	HeartbeatPeriod  time.Duration
+	HeartbeatEpsilon time.Duration
+	// RateLimitPeriod specifies how often node with same ID can try to register
+	// new session.
+	RateLimitPeriod       time.Duration
 	GracePeriodMultiplier int
 }
 
@@ -70,6 +74,7 @@ func DefaultConfig() *Config {
 	return &Config{
 		HeartbeatPeriod:       DefaultHeartBeatPeriod,
 		HeartbeatEpsilon:      defaultHeartBeatEpsilon,
+		RateLimitPeriod:       defaultRateLimitPeriod,
 		GracePeriodMultiplier: defaultGracePeriodMultiplier,
 	}
 }
@@ -116,12 +121,11 @@ func (b weightedPeerByNodeID) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
 func New(cluster Cluster, c *Config) *Dispatcher {
 	return &Dispatcher{
 		addr:                      c.Addr,
-		nodes:                     newNodeStore(c.HeartbeatPeriod, c.HeartbeatEpsilon, c.GracePeriodMultiplier),
+		nodes:                     newNodeStore(c.HeartbeatPeriod, c.HeartbeatEpsilon, c.GracePeriodMultiplier, c.RateLimitPeriod),
 		store:                     cluster.MemoryStore(),
 		cluster:                   cluster,
 		mgrQueue:                  watch.NewQueue(16),
 		keyMgrQueue:               watch.NewQueue(16),
-		lastSeenManagers:          getWeightedPeers(cluster),
 		taskUpdates:               make(map[string]*api.TaskStatus),
 		processTaskUpdatesTrigger: make(chan struct{}, 1),
 		config: c,
@@ -149,12 +153,12 @@ func (d *Dispatcher) Run(ctx context.Context) error {
 	d.mu.Lock()
 	if d.isRunning() {
 		d.mu.Unlock()
-		return fmt.Errorf("dispatcher is stopped")
+		return fmt.Errorf("dispatcher is already running")
 	}
 	logger := log.G(ctx).WithField("module", "dispatcher")
 	ctx = log.WithLogger(ctx, logger)
 	if err := d.markNodesUnknown(ctx); err != nil {
-		logger.Errorf("failed to mark all nodes unknown: %v", err)
+		logger.Errorf(`failed to move all nodes to "unknown" state: %v`, err)
 	}
 	configWatcher, cancel, err := store.ViewAndWatch(
 		d.store,
@@ -177,6 +181,7 @@ func (d *Dispatcher) Run(ctx context.Context) error {
 		state.EventUpdateCluster{},
 	)
 	if err != nil {
+		d.mu.Unlock()
 		return err
 	}
 	defer cancel()
@@ -238,6 +243,7 @@ func (d *Dispatcher) Run(ctx context.Context) error {
 func (d *Dispatcher) Stop() error {
 	d.mu.Lock()
 	if !d.isRunning() {
+		d.mu.Unlock()
 		return fmt.Errorf("dispatcher is already stopped")
 	}
 	d.cancel()
@@ -280,20 +286,20 @@ func (d *Dispatcher) markNodesUnknown(ctx context.Context) error {
 				}
 				node.Status = api.NodeStatus{
 					State:   api.NodeStatus_UNKNOWN,
-					Message: "Node marked as unknown due to leadership change in cluster",
+					Message: `Node moved to "unknown" state due to leadership change in cluster`,
 				}
 				nodeID := node.ID
 
 				expireFunc := func() {
 					log := log.WithField("node", nodeID)
-					nodeStatus := api.NodeStatus{State: api.NodeStatus_DOWN, Message: "heartbeat failure for unknown node"}
+					nodeStatus := api.NodeStatus{State: api.NodeStatus_DOWN, Message: `heartbeat failure for node in "unknown" state`}
 					log.Debugf("heartbeat expiration for unknown node")
 					if err := d.nodeRemove(nodeID, nodeStatus); err != nil {
-						log.WithError(err).Errorf("failed deregistering node after heartbeat expiration for unknown node")
+						log.WithError(err).Errorf(`failed deregistering node after heartbeat expiration for node in "unknown" state`)
 					}
 				}
 				if err := d.nodes.AddUnknown(node, expireFunc); err != nil {
-					return fmt.Errorf("add unknown node failed: %v", err)
+					return fmt.Errorf(`adding node in "unknown" state to node store failed: %v`, err)
 				}
 				if err := store.UpdateNode(tx, node); err != nil {
 					return fmt.Errorf("update failed %v", err)
@@ -301,7 +307,7 @@ func (d *Dispatcher) markNodesUnknown(ctx context.Context) error {
 				return nil
 			})
 			if err != nil {
-				log.WithField("node", n.ID).WithError(err).Errorf("failed to mark node as unknown")
+				log.WithField("node", n.ID).WithError(err).Errorf(`failed to move node to "unknown" state`)
 			}
 		}
 		return nil
@@ -328,6 +334,10 @@ func (d *Dispatcher) register(ctx context.Context, nodeID string, description *a
 		return "", "", err
 	}
 
+	if err := d.nodes.CheckRateLimit(nodeID); err != nil {
+		return "", "", err
+	}
+
 	// create or update node in store
 	// TODO(stevvooe): Validate node specification.
 	var node *api.Node

vendor/src/github.com/docker/swarmkit/manager/dispatcher/nodes.go

@@ -15,6 +15,7 @@ import (
 type registeredNode struct {
 	SessionID  string
 	Heartbeat  *heartbeat.Heartbeat
+	Registered time.Time
 	Node       *api.Node
 	Disconnect chan struct{} // signal to disconnect
 	mu         sync.Mutex
@@ -41,15 +42,17 @@ func (rn *registeredNode) checkSessionID(sessionID string) error {
 type nodeStore struct {
 	periodChooser         *periodChooser
 	gracePeriodMultiplier time.Duration
+	rateLimitPeriod       time.Duration
 	nodes                 map[string]*registeredNode
 	mu                    sync.RWMutex
 }
 
-func newNodeStore(hbPeriod, hbEpsilon time.Duration, graceMultiplier int) *nodeStore {
+func newNodeStore(hbPeriod, hbEpsilon time.Duration, graceMultiplier int, rateLimitPeriod time.Duration) *nodeStore {
 	return &nodeStore{
 		nodes:                 make(map[string]*registeredNode),
 		periodChooser:         newPeriodChooser(hbPeriod, hbEpsilon),
 		gracePeriodMultiplier: time.Duration(graceMultiplier),
+		rateLimitPeriod:       rateLimitPeriod,
 	}
 }
 
@@ -77,6 +80,19 @@ func (s *nodeStore) AddUnknown(n *api.Node, expireFunc func()) error {
 	return nil
 }
 
+// CheckRateLimit returs error if node with specified id is allowed to re-register
+// again.
+func (s *nodeStore) CheckRateLimit(id string) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if existRn, ok := s.nodes[id]; ok {
+		if time.Since(existRn.Registered) < s.rateLimitPeriod {
+			return grpc.Errorf(codes.Unavailable, "node %s attempted registration too recently", id)
+		}
+	}
+	return nil
+}
+
 // Add adds new node and returns it, it replaces existing without notification.
 func (s *nodeStore) Add(n *api.Node, expireFunc func()) *registeredNode {
 	s.mu.Lock()
@@ -88,6 +104,7 @@ func (s *nodeStore) Add(n *api.Node, expireFunc func()) *registeredNode {
 	rn := &registeredNode{
 		SessionID:  identity.NewID(), // session ID is local to the dispatcher.
 		Node:       n,
+		Registered: time.Now(),
 		Disconnect: make(chan struct{}),
 	}
 	s.nodes[n.ID] = rn

vendor/src/github.com/docker/swarmkit/manager/health/health.go

@@ -0,0 +1,58 @@
+// Package health provides some utility functions to health-check a server. The implementation
+// is based on protobuf. Users need to write their own implementations if other IDLs are used.
+//
+// See original source: https://github.com/grpc/grpc-go/blob/master/health/health.go
+//
+// We use our own implementation of grpc server health check to include the authorization
+// wrapper necessary for the Managers.
+package health
+
+import (
+	"sync"
+
+	"github.com/docker/swarmkit/api"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+)
+
+// Server represents a Health Check server to check
+// if a service is running or not on some host.
+type Server struct {
+	mu sync.Mutex
+	// statusMap stores the serving status of the services this HealthServer monitors.
+	statusMap map[string]api.HealthCheckResponse_ServingStatus
+}
+
+// NewHealthServer creates a new health check server for grpc services.
+func NewHealthServer() *Server {
+	return &Server{
+		statusMap: make(map[string]api.HealthCheckResponse_ServingStatus),
+	}
+}
+
+// Check checks if the grpc server is healthy and running.
+func (s *Server) Check(ctx context.Context, in *api.HealthCheckRequest) (*api.HealthCheckResponse, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if in.Service == "" {
+		// check the server overall health status.
+		return &api.HealthCheckResponse{
+			Status: api.HealthCheckResponse_SERVING,
+		}, nil
+	}
+	if status, ok := s.statusMap[in.Service]; ok {
+		return &api.HealthCheckResponse{
+			Status: status,
+		}, nil
+	}
+	return nil, grpc.Errorf(codes.NotFound, "unknown service")
+}
+
+// SetServingStatus is called when need to reset the serving status of a service
+// or insert a new service entry into the statusMap.
+func (s *Server) SetServingStatus(service string, status api.HealthCheckResponse_ServingStatus) {
+	s.mu.Lock()
+	s.statusMap[service] = status
+	s.mu.Unlock()
+}

vendor/src/github.com/docker/swarmkit/manager/keymanager/keymanager.go

@@ -32,6 +32,8 @@ const (
 
 	// DefaultSubsystem is gossip
 	DefaultSubsystem = SubsystemGossip
+	// number of keys to mainrain in the key ring.
+	keyringSize = 3
 )
 
 // map of subsystems and corresponding encryption algorithm. Initially only
@@ -59,7 +61,6 @@ type KeyManager struct {
 	config  *Config
 	store   *store.MemoryStore
 	keyRing *keyRing
-	ticker  *time.Ticker
 	ctx     context.Context
 	cancel  context.CancelFunc
 
@@ -72,7 +73,7 @@ func DefaultConfig() *Config {
 		ClusterName:      store.DefaultClusterName,
 		Keylen:           DefaultKeyLen,
 		RotationInterval: DefaultKeyRotationInterval,
-		Subsystems:       []string{DefaultSubsystem},
+		Subsystems:       []string{SubsystemGossip, SubsystemIPSec},
 	}
 }
 
@@ -148,7 +149,7 @@ func (k *KeyManager) rotateKey(ctx context.Context) error {
 	// We maintain the latest key and the one before in the key ring to allow
 	// agents to communicate without disruption on key change.
 	for subsys, keys := range subsysKeys {
-		if len(keys) > 1 {
+		if len(keys) == keyringSize {
 			min := 0
 			for i, key := range keys[1:] {
 				if key.LamportTime < keys[min].LamportTime {
@@ -189,7 +190,9 @@ func (k *KeyManager) Run(ctx context.Context) error {
 	cluster := clusters[0]
 	if len(cluster.NetworkBootstrapKeys) == 0 {
 		for _, subsys := range k.config.Subsystems {
-			k.keyRing.keys = append(k.keyRing.keys, k.allocateKey(ctx, subsys))
+			for i := 0; i < keyringSize; i++ {
+				k.keyRing.keys = append(k.keyRing.keys, k.allocateKey(ctx, subsys))
+			}
 		}
 		if err := k.updateKey(cluster); err != nil {
 			log.Errorf("store update failed %v", err)

vendor/src/github.com/docker/swarmkit/manager/manager.go

@@ -19,6 +19,7 @@ import (
 	"github.com/docker/swarmkit/manager/allocator"
 	"github.com/docker/swarmkit/manager/controlapi"
 	"github.com/docker/swarmkit/manager/dispatcher"
+	"github.com/docker/swarmkit/manager/health"
 	"github.com/docker/swarmkit/manager/keymanager"
 	"github.com/docker/swarmkit/manager/orchestrator"
 	"github.com/docker/swarmkit/manager/raftpicker"
@@ -39,6 +40,10 @@ const (
 type Config struct {
 	SecurityConfig *ca.SecurityConfig
 
+	// ExternalCAs is a list of initial CAs to which a manager node
+	// will make certificate signing requests for node certificates.
+	ExternalCAs []*api.ExternalCA
+
 	ProtoAddr map[string]string
 	// ProtoListener will be used for grpc serving if it's not nil,
 	// ProtoAddr fields will be used to create listeners otherwise.
@@ -83,8 +88,7 @@ type Manager struct {
 	localserver            *grpc.Server
 	RaftNode               *raft.Node
 
-	mu   sync.Mutex
-	once sync.Once
+	mu sync.Mutex
 
 	stopped chan struct{}
 }
@@ -202,13 +206,7 @@ func New(config *Config) (*Manager, error) {
 		ForceNewCluster: config.ForceNewCluster,
 		TLSCredentials:  config.SecurityConfig.ClientTLSCreds,
 	}
-	RaftNode, err := raft.NewNode(context.TODO(), newNodeOpts)
-	if err != nil {
-		for _, lis := range listeners {
-			lis.Close()
-		}
-		return nil, fmt.Errorf("can't create raft node: %v", err)
-	}
+	RaftNode := raft.NewNode(context.TODO(), newNodeOpts)
 
 	opts := []grpc.ServerOption{
 		grpc.Creds(config.SecurityConfig.ServerTLSCreds)}
@@ -275,6 +273,10 @@ func (m *Manager) Run(parent context.Context) error {
 				raftCfg.HeartbeatTick = uint32(m.RaftNode.Config.HeartbeatTick)
 
 				clusterID := m.config.SecurityConfig.ClientTLSCreds.Organization()
+
+				initialCAConfig := ca.DefaultCAConfig()
+				initialCAConfig.ExternalCAs = m.config.ExternalCAs
+
 				s.Update(func(tx store.Tx) error {
 					// Add a default cluster object to the
 					// store. Don't check the error because
@@ -294,7 +296,7 @@ func (m *Manager) Run(parent context.Context) error {
 								HeartbeatPeriod: ptypes.DurationProto(dispatcher.DefaultHeartBeatPeriod),
 							},
 							Raft:     raftCfg,
-							CAConfig: ca.DefaultCAConfig(),
+							CAConfig: initialCAConfig,
 						},
 						RootCA: api.RootCA{
 							CAKey:      rootCA.Key,
@@ -327,7 +329,7 @@ func (m *Manager) Run(parent context.Context) error {
 					log.G(ctx).WithError(err).Error("root key-encrypting-key rotation failed")
 				}
 
-				m.replicatedOrchestrator = orchestrator.New(s)
+				m.replicatedOrchestrator = orchestrator.NewReplicatedOrchestrator(s)
 				m.globalOrchestrator = orchestrator.NewGlobalOrchestrator(s)
 				m.taskReaper = orchestrator.NewTaskReaper(s)
 				m.scheduler = scheduler.New(s)
@@ -421,14 +423,6 @@ func (m *Manager) Run(parent context.Context) error {
 		}
 	}()
 
-	go func() {
-		err := m.RaftNode.Run(ctx)
-		if err != nil {
-			log.G(ctx).Error(err)
-			m.Stop(ctx)
-		}
-	}()
-
 	proxyOpts := []grpc.DialOption{
 		grpc.WithBackoffMaxDelay(2 * time.Second),
 		grpc.WithTransportCredentials(m.config.SecurityConfig.ClientTLSCreds),
@@ -443,12 +437,14 @@ func (m *Manager) Run(parent context.Context) error {
 	}
 
 	baseControlAPI := controlapi.NewServer(m.RaftNode.MemoryStore(), m.RaftNode)
+	healthServer := health.NewHealthServer()
 
 	authenticatedControlAPI := api.NewAuthenticatedWrapperControlServer(baseControlAPI, authorize)
 	authenticatedDispatcherAPI := api.NewAuthenticatedWrapperDispatcherServer(m.Dispatcher, authorize)
 	authenticatedCAAPI := api.NewAuthenticatedWrapperCAServer(m.caserver, authorize)
 	authenticatedNodeCAAPI := api.NewAuthenticatedWrapperNodeCAServer(m.caserver, authorize)
 	authenticatedRaftAPI := api.NewAuthenticatedWrapperRaftServer(m.RaftNode, authorize)
+	authenticatedHealthAPI := api.NewAuthenticatedWrapperHealthServer(healthServer, authorize)
 	authenticatedRaftMembershipAPI := api.NewAuthenticatedWrapperRaftMembershipServer(m.RaftNode, authorize)
 
 	proxyDispatcherAPI := api.NewRaftProxyDispatcherServer(authenticatedDispatcherAPI, cs, m.RaftNode, ca.WithMetadataForwardTLSInfo)
@@ -470,6 +466,7 @@ func (m *Manager) Run(parent context.Context) error {
 	api.RegisterCAServer(m.server, proxyCAAPI)
 	api.RegisterNodeCAServer(m.server, proxyNodeCAAPI)
 	api.RegisterRaftServer(m.server, authenticatedRaftAPI)
+	api.RegisterHealthServer(m.server, authenticatedHealthAPI)
 	api.RegisterRaftMembershipServer(m.server, proxyRaftMembershipAPI)
 	api.RegisterControlServer(m.localserver, localProxyControlAPI)
 	api.RegisterControlServer(m.server, authenticatedControlAPI)
@@ -492,6 +489,24 @@ func (m *Manager) Run(parent context.Context) error {
 		}(proto, l)
 	}
 
+	// Set the raft server as serving for the health server
+	healthServer.SetServingStatus("Raft", api.HealthCheckResponse_SERVING)
+
+	if err := m.RaftNode.JoinAndStart(); err != nil {
+		for _, lis := range m.listeners {
+			lis.Close()
+		}
+		return fmt.Errorf("can't initialize raft node: %v", err)
+	}
+
+	go func() {
+		err := m.RaftNode.Run(ctx)
+		if err != nil {
+			log.G(ctx).Error(err)
+			m.Stop(ctx)
+		}
+	}()
+
 	if err := raft.WaitForLeader(ctx, m.RaftNode); err != nil {
 		m.server.Stop()
 		return err

vendor/src/github.com/docker/swarmkit/manager/orchestrator/global.go

@@ -255,7 +255,7 @@ func (g *GlobalOrchestrator) reconcileOneNode(ctx context.Context, node *api.Nod
 		return
 	}
 	// typically there are only a few global services on a node
-	// iterate thru all of them one by one. If raft store visits become a concern,
+	// iterate through all of them one by one. If raft store visits become a concern,
 	// it can be optimized.
 	for _, service := range g.globalServices {
 		g.reconcileServiceOneNode(ctx, service.ID, node.ID)

vendor/src/github.com/docker/swarmkit/manager/orchestrator/replicated.go

@@ -29,8 +29,8 @@ type ReplicatedOrchestrator struct {
 	restarts *RestartSupervisor
 }
 
-// New creates a new ReplicatedOrchestrator.
-func New(store *store.MemoryStore) *ReplicatedOrchestrator {
+// NewReplicatedOrchestrator creates a new ReplicatedOrchestrator.
+func NewReplicatedOrchestrator(store *store.MemoryStore) *ReplicatedOrchestrator {
 	restartSupervisor := NewRestartSupervisor(store)
 	updater := NewUpdateSupervisor(store, restartSupervisor)
 	return &ReplicatedOrchestrator{
@@ -114,6 +114,9 @@ func newTask(service *api.Service, instance uint64) *api.Task {
 			Timestamp: ptypes.MustTimestampProto(time.Now()),
 			Message:   "created",
 		},
+		Endpoint: &api.Endpoint{
+			Spec: service.Spec.Endpoint.Copy(),
+		},
 		DesiredState: api.TaskStateRunning,
 	}
 }

vendor/src/github.com/docker/swarmkit/manager/orchestrator/services.go

@@ -1,6 +1,8 @@
 package orchestrator
 
 import (
+	"sort"
+
 	"github.com/docker/go-events"
 	"github.com/docker/swarmkit/api"
 	"github.com/docker/swarmkit/log"
@@ -68,6 +70,27 @@ func (r *ReplicatedOrchestrator) resolveService(ctx context.Context, task *api.T
 	return service
 }
 
+type taskWithIndex struct {
+	task *api.Task
+
+	// index is a counter that counts this task as the nth instance of
+	// the service on its node. This is used for sorting the tasks so that
+	// when scaling down we leave tasks more evenly balanced.
+	index int
+}
+
+type tasksByIndex []taskWithIndex
+
+func (ts tasksByIndex) Len() int      { return len(ts) }
+func (ts tasksByIndex) Swap(i, j int) { ts[i], ts[j] = ts[j], ts[i] }
+
+func (ts tasksByIndex) Less(i, j int) bool {
+	if ts[i].index < 0 {
+		return false
+	}
+	return ts[i].index < ts[j].index
+}
+
 func (r *ReplicatedOrchestrator) reconcile(ctx context.Context, service *api.Service) {
 	var (
 		tasks []*api.Task
@@ -97,8 +120,6 @@ func (r *ReplicatedOrchestrator) reconcile(ctx context.Context, service *api.Ser
 	deploy := service.Spec.GetMode().(*api.ServiceSpec_Replicated)
 	specifiedInstances := int(deploy.Replicated.Replicas)
 
-	// TODO(aaronl): Add support for restart delays.
-
 	switch {
 	case specifiedInstances > numTasks:
 		log.G(ctx).Debugf("Service %s was scaled up from %d to %d instances", service.ID, numTasks, specifiedInstances)
@@ -115,9 +136,35 @@ func (r *ReplicatedOrchestrator) reconcile(ctx context.Context, service *api.Ser
 	case specifiedInstances < numTasks:
 		// Update up to N tasks then remove the extra
 		log.G(ctx).Debugf("Service %s was scaled down from %d to %d instances", service.ID, numTasks, specifiedInstances)
-		r.updater.Update(ctx, service, runningTasks[:specifiedInstances])
+
+		// Preferentially remove tasks on the nodes that have the most
+		// copies of this service, to leave a more balanced result.
+		// Assign each task an index that counts it as the nth copy of
+		// of the service on its node (1, 2, 3, ...), and sort the
+		// tasks by this counter value.
+
+		instancesByNode := make(map[string]int)
+		tasksWithIndices := make(tasksByIndex, 0, numTasks)
+
+		for _, t := range runningTasks {
+			if t.NodeID != "" {
+				instancesByNode[t.NodeID]++
+				tasksWithIndices = append(tasksWithIndices, taskWithIndex{task: t, index: instancesByNode[t.NodeID]})
+			} else {
+				tasksWithIndices = append(tasksWithIndices, taskWithIndex{task: t, index: -1})
+			}
+		}
+
+		sort.Sort(tasksWithIndices)
+
+		sortedTasks := make([]*api.Task, 0, numTasks)
+		for _, t := range tasksWithIndices {
+			sortedTasks = append(sortedTasks, t.task)
+		}
+
+		r.updater.Update(ctx, service, sortedTasks[:specifiedInstances])
 		_, err = r.store.Batch(func(batch *store.Batch) error {
-			r.removeTasks(ctx, batch, service, runningTasks[specifiedInstances:])
+			r.removeTasks(ctx, batch, service, sortedTasks[specifiedInstances:])
 			return nil
 		})
 		if err != nil {

vendor/src/github.com/docker/swarmkit/manager/orchestrator/updater.go

@@ -104,7 +104,8 @@ func (u *Updater) Run(ctx context.Context, service *api.Service, tasks []*api.Ta
 	dirtyTasks := []*api.Task{}
 	for _, t := range tasks {
 		if !reflect.DeepEqual(service.Spec.Task, t.Spec) ||
-			!reflect.DeepEqual(service.Endpoint, t.Endpoint) {
+			(t.Endpoint != nil &&
+				!reflect.DeepEqual(service.Spec.Endpoint, t.Endpoint.Spec)) {
 			dirtyTasks = append(dirtyTasks, t)
 		}
 	}
@@ -191,6 +192,9 @@ func (u *Updater) updateTask(ctx context.Context, service *api.Service, original
 		if t == nil {
 			return fmt.Errorf("task %s not found while trying to update it", original.ID)
 		}
+		if t.DesiredState > api.TaskStateRunning {
+			return fmt.Errorf("task %s was already shut down when reached by updater", original.ID)
+		}
 		t.DesiredState = api.TaskStateShutdown
 		if err := store.UpdateTask(tx, t); err != nil {
 			return err

vendor/src/github.com/docker/swarmkit/manager/scheduler/indexed_node_heap.go

@@ -48,13 +48,6 @@ func (nh *nodeHeap) alloc(n int) {
 	nh.index = make(map[string]int, n)
 }
 
-func (nh *nodeHeap) peek() *NodeInfo {
-	if len(nh.heap) == 0 {
-		return nil
-	}
-	return &nh.heap[0]
-}
-
 // nodeInfo returns the NodeInfo struct for a given node identified by its ID.
 func (nh *nodeHeap) nodeInfo(nodeID string) NodeInfo {
 	index, ok := nh.index[nodeID]
@@ -95,9 +88,7 @@ func (nh *nodeHeap) updateNode(n NodeInfo) {
 func (nh *nodeHeap) remove(nodeID string) {
 	index, ok := nh.index[nodeID]
 	if ok {
-		nh.heap[index].Tasks = nil
-		heap.Fix(nh, index)
-		heap.Pop(nh)
+		heap.Remove(nh, index)
 	}
 }
 

vendor/src/github.com/docker/swarmkit/manager/state/raft/membership/cluster.go

@@ -27,8 +27,6 @@ var (
 // Cluster represents a set of active
 // raft Members
 type Cluster struct {
-	id uint64
-
 	mu      sync.RWMutex
 	members map[uint64]*Member
 
@@ -103,17 +101,15 @@ func (c *Cluster) RemoveMember(id uint64) error {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
-	if c.members[id] == nil {
-		return ErrIDNotFound
-	}
-
-	conn := c.members[id].Conn
-	if conn != nil {
-		_ = conn.Close()
+	if c.members[id] != nil {
+		conn := c.members[id].Conn
+		if conn != nil {
+			_ = conn.Close()
+		}
+		delete(c.members, id)
 	}
 
 	c.removed[id] = true
-	delete(c.members, id)
 	return nil
 }
 

vendor/src/github.com/docker/swarmkit/manager/state/raft/raft.go

@@ -31,6 +31,11 @@ import (
 )
 
 var (
+	// ErrHealthCheckFailure is returned when there is an issue with the initial handshake which means
+	// that the address provided must be invalid or there is ongoing connectivity issues at join time.
+	ErrHealthCheckFailure = errors.New("raft: could not connect to prospective new cluster member using its advertised address")
+	// ErrNoRaftMember is thrown when the node is not yet part of a raft cluster
+	ErrNoRaftMember = errors.New("raft: node is not yet part of a raft cluster")
 	// ErrConfChangeRefused is returned when there is an issue with the configuration change
 	ErrConfChangeRefused = errors.New("raft: propose configuration change refused")
 	// ErrApplyNotSpecified is returned during the creation of a raft node when no apply method was provided
@@ -83,12 +88,13 @@ type Node struct {
 	raftStore   *raft.MemoryStorage
 	memoryStore *store.MemoryStore
 	Config      *raft.Config
+	opts        NewNodeOptions
 	reqIDGen    *idutil.Generator
 	wait        *wait
 	wal         *wal.WAL
 	snapshotter *snap.Snapshotter
 	wasLeader   bool
-	removed     uint32
+	isMember    uint32
 	joinAddr    string
 
 	// waitProp waits for all the proposals to be terminated before
@@ -103,14 +109,15 @@ type Node struct {
 	appliedIndex  uint64
 	snapshotIndex uint64
 
-	ticker              clock.Ticker
-	sendTimeout         time.Duration
-	stopCh              chan struct{}
-	doneCh              chan struct{}
+	ticker      clock.Ticker
+	sendTimeout time.Duration
+	stopCh      chan struct{}
+	doneCh      chan struct{}
+	// removeRaftCh notifies about node deletion from raft cluster
+	removeRaftCh        chan struct{}
+	removeRaftOnce      sync.Once
 	leadershipBroadcast *events.Broadcaster
 
-	startNodePeers []raft.Peer
-
 	// used to coordinate shutdown
 	stopMu sync.RWMutex
 	// used for membership management checks
@@ -153,7 +160,7 @@ func init() {
 }
 
 // NewNode generates a new Raft node
-func NewNode(ctx context.Context, opts NewNodeOptions) (*Node, error) {
+func NewNode(ctx context.Context, opts NewNodeOptions) *Node {
 	cfg := opts.Config
 	if cfg == nil {
 		cfg = DefaultNodeConfig()
@@ -173,6 +180,7 @@ func NewNode(ctx context.Context, opts NewNodeOptions) (*Node, error) {
 		tlsCredentials: opts.TLSCredentials,
 		raftStore:      raftStore,
 		Address:        opts.Addr,
+		opts:           opts,
 		Config: &raft.Config{
 			ElectionTick:    cfg.ElectionTick,
 			HeartbeatTick:   cfg.HeartbeatTick,
@@ -184,6 +192,7 @@ func NewNode(ctx context.Context, opts NewNodeOptions) (*Node, error) {
 		forceNewCluster:     opts.ForceNewCluster,
 		stopCh:              make(chan struct{}),
 		doneCh:              make(chan struct{}),
+		removeRaftCh:        make(chan struct{}),
 		StateDir:            opts.StateDir,
 		joinAddr:            opts.JoinAddr,
 		sendTimeout:         2 * time.Second,
@@ -200,13 +209,21 @@ func NewNode(ctx context.Context, opts NewNodeOptions) (*Node, error) {
 		n.sendTimeout = opts.SendTimeout
 	}
 
-	loadAndStartErr := n.loadAndStart(ctx, opts.ForceNewCluster)
+	n.reqIDGen = idutil.NewGenerator(uint16(n.Config.ID), time.Now())
+	n.wait = newWait()
+
+	return n
+}
+
+// JoinAndStart joins and starts the raft server
+func (n *Node) JoinAndStart() error {
+	loadAndStartErr := n.loadAndStart(n.Ctx, n.opts.ForceNewCluster)
 	if loadAndStartErr != nil && loadAndStartErr != errNoWAL {
 		n.ticker.Stop()
-		return nil, loadAndStartErr
+		return loadAndStartErr
 	}
 
-	snapshot, err := raftStore.Snapshot()
+	snapshot, err := n.raftStore.Snapshot()
 	// Snapshot never returns an error
 	if err != nil {
 		panic("could not get snapshot of raft store")
@@ -215,14 +232,12 @@ func NewNode(ctx context.Context, opts NewNodeOptions) (*Node, error) {
 	n.confState = snapshot.Metadata.ConfState
 	n.appliedIndex = snapshot.Metadata.Index
 	n.snapshotIndex = snapshot.Metadata.Index
-	n.reqIDGen = idutil.NewGenerator(uint16(n.Config.ID), time.Now())
-	n.wait = newWait()
 
 	if loadAndStartErr == errNoWAL {
 		if n.joinAddr != "" {
 			c, err := n.ConnectToMember(n.joinAddr, 10*time.Second)
 			if err != nil {
-				return nil, err
+				return err
 			}
 			client := api.NewRaftMembershipClient(c.Conn)
 			defer func() {
@@ -235,40 +250,42 @@ func NewNode(ctx context.Context, opts NewNodeOptions) (*Node, error) {
 				Addr: n.Address,
 			})
 			if err != nil {
-				return nil, err
+				return err
 			}
 
 			n.Config.ID = resp.RaftID
 
-			if _, err := n.createWAL(opts.ID); err != nil {
-				return nil, err
+			if _, err := n.createWAL(n.opts.ID); err != nil {
+				return err
 			}
 
 			n.Node = raft.StartNode(n.Config, []raft.Peer{})
 
 			if err := n.registerNodes(resp.Members); err != nil {
-				return nil, err
+				return err
 			}
 		} else {
 			// First member in the cluster, self-assign ID
 			n.Config.ID = uint64(rand.Int63()) + 1
-			peer, err := n.createWAL(opts.ID)
+			peer, err := n.createWAL(n.opts.ID)
 			if err != nil {
-				return nil, err
+				return err
 			}
 			n.Node = raft.StartNode(n.Config, []raft.Peer{peer})
 			if err := n.Campaign(n.Ctx); err != nil {
-				return nil, err
+				return err
 			}
 		}
-		return n, nil
+		atomic.StoreUint32(&n.isMember, 1)
+		return nil
 	}
 
 	if n.joinAddr != "" {
 		n.Config.Logger.Warning("ignoring request to join cluster, because raft state already exists")
 	}
 	n.Node = raft.RestartNode(n.Config)
-	return n, nil
+	atomic.StoreUint32(&n.isMember, 1)
+	return nil
 }
 
 // DefaultNodeConfig returns the default config for a
@@ -377,21 +394,6 @@ func (n *Node) Run(ctx context.Context) error {
 				}
 			}
 
-			// If the node was removed from other members,
-			// send back an error to the caller to start
-			// the shutdown process.
-			if n.mustStop() {
-				n.stop()
-
-				// Move WAL and snapshot out of the way, since
-				// they are no longer usable.
-				if err := n.moveWALAndSnap(); err != nil {
-					n.Config.Logger.Error(err)
-				}
-
-				return ErrMemberRemoved
-			}
-
 			// Advance the state machine
 			n.Advance()
 
@@ -400,6 +402,19 @@ func (n *Node) Run(ctx context.Context) error {
 				n.snapshotIndex = snapshotIndex
 			}
 			n.snapshotInProgress = nil
+		case <-n.removeRaftCh:
+			// If the node was removed from other members,
+			// send back an error to the caller to start
+			// the shutdown process.
+			n.stop()
+
+			// Move WAL and snapshot out of the way, since
+			// they are no longer usable.
+			if err := n.moveWALAndSnap(); err != nil {
+				n.Config.Logger.Error(err)
+			}
+
+			return ErrMemberRemoved
 		case <-n.stopCh:
 			n.stop()
 			return nil
@@ -434,6 +449,7 @@ func (n *Node) stop() {
 		}
 	}
 	n.Stop()
+	n.ticker.Stop()
 	if err := n.wal.Close(); err != nil {
 		n.Config.Logger.Errorf("raft: error closing WAL: %v", err)
 	}
@@ -442,6 +458,10 @@ func (n *Node) stop() {
 
 // IsLeader checks if we are the leader or not
 func (n *Node) IsLeader() bool {
+	if !n.IsMember() {
+		return false
+	}
+
 	if n.Node.Status().Lead == n.Config.ID {
 		return true
 	}
@@ -450,6 +470,9 @@ func (n *Node) IsLeader() bool {
 
 // Leader returns the id of the leader
 func (n *Node) Leader() uint64 {
+	if !n.IsMember() {
+		return 0
+	}
 	return n.Node.Status().Lead
 }
 
@@ -479,7 +502,11 @@ func (n *Node) Join(ctx context.Context, req *api.JoinRequest) (*api.JoinRespons
 	n.membershipLock.Lock()
 	defer n.membershipLock.Unlock()
 
-	if n.Node == nil {
+	if !n.IsMember() {
+		return nil, ErrNoRaftMember
+	}
+
+	if n.IsStopped() {
 		log.WithError(ErrStopped).Errorf(ErrStopped.Error())
 		return nil, ErrStopped
 	}
@@ -497,6 +524,12 @@ func (n *Node) Join(ctx context.Context, req *api.JoinRequest) (*api.JoinRespons
 		}
 	}
 
+	// We do not bother submitting a configuration change for the
+	// new member if we can't contact it back using its address
+	if err := n.checkHealth(ctx, req.Addr, 5*time.Second); err != nil {
+		return nil, err
+	}
+
 	err = n.addMember(ctx, req.Addr, raftID, nodeInfo.NodeID)
 	if err != nil {
 		log.WithError(err).Errorf("failed to add member")
@@ -516,6 +549,28 @@ func (n *Node) Join(ctx context.Context, req *api.JoinRequest) (*api.JoinRespons
 	return &api.JoinResponse{Members: nodes, RaftID: raftID}, nil
 }
 
+// checkHealth tries to contact an aspiring member through its advertised address
+// and checks if its raft server is running.
+func (n *Node) checkHealth(ctx context.Context, addr string, timeout time.Duration) error {
+	conn, err := dial(addr, "tcp", n.tlsCredentials, timeout)
+	if err != nil {
+		return err
+	}
+
+	client := api.NewHealthClient(conn)
+	defer conn.Close()
+
+	resp, err := client.Check(ctx, &api.HealthCheckRequest{Service: "Raft"})
+	if err != nil {
+		return ErrHealthCheckFailure
+	}
+	if resp != nil && resp.Status != api.HealthCheckResponse_SERVING {
+		return ErrHealthCheckFailure
+	}
+
+	return nil
+}
+
 // addMember submits a configuration change to add a new member on the raft cluster.
 func (n *Node) addMember(ctx context.Context, addr string, raftID uint64, nodeID string) error {
 	node := api.RaftMember{
@@ -563,7 +618,11 @@ func (n *Node) Leave(ctx context.Context, req *api.LeaveRequest) (*api.LeaveResp
 	n.stopMu.RLock()
 	defer n.stopMu.RUnlock()
 
-	if n.Node == nil {
+	if !n.IsMember() {
+		return nil, ErrNoRaftMember
+	}
+
+	if n.IsStopped() {
 		return nil, ErrStopped
 	}
 
@@ -612,7 +671,12 @@ func (n *Node) ProcessRaftMessage(ctx context.Context, msg *api.ProcessRaftMessa
 	// can't stop the raft node while an async RPC is in progress
 	n.stopMu.RLock()
 	defer n.stopMu.RUnlock()
-	if n.Node == nil {
+
+	if !n.IsMember() {
+		return nil, ErrNoRaftMember
+	}
+
+	if n.IsStopped() {
 		return nil, ErrStopped
 	}
 
@@ -625,6 +689,10 @@ func (n *Node) ProcessRaftMessage(ctx context.Context, msg *api.ProcessRaftMessa
 
 // ResolveAddress returns the address reaching for a given node ID.
 func (n *Node) ResolveAddress(ctx context.Context, msg *api.ResolveAddressRequest) (*api.ResolveAddressResponse, error) {
+	if !n.IsMember() {
+		return nil, ErrNoRaftMember
+	}
+
 	nodeInfo, err := ca.RemoteNode(ctx)
 	if err != nil {
 		return nil, err
@@ -656,7 +724,7 @@ func (n *Node) LeaderAddr() (string, error) {
 	if err := WaitForLeader(ctx, n); err != nil {
 		return "", ErrNoClusterLeader
 	}
-	if n.Node == nil {
+	if n.IsStopped() {
 		return "", ErrStopped
 	}
 	ms := n.cluster.Members()
@@ -671,7 +739,7 @@ func (n *Node) LeaderAddr() (string, error) {
 func (n *Node) registerNode(node *api.RaftMember) error {
 	member := &membership.Member{}
 
-	if n.cluster.GetMember(node.RaftID) != nil {
+	if n.cluster.GetMember(node.RaftID) != nil || n.cluster.IsIDRemoved(node.RaftID) {
 		// member already exists
 		return nil
 	}
@@ -760,11 +828,18 @@ func (n *Node) GetMemberlist() map[uint64]*api.RaftMember {
 	return memberlist
 }
 
-// mustStop checks if the raft node must be stopped
-// because it was removed from the cluster from
-// other members
-func (n *Node) mustStop() bool {
-	return atomic.LoadUint32(&n.removed) == 1
+// IsMember checks if the raft node has effectively joined
+// a cluster of existing members.
+func (n *Node) IsMember() bool {
+	return atomic.LoadUint32(&n.isMember) == 1
+}
+
+// IsStopped checks if the raft node is stopped or not
+func (n *Node) IsStopped() bool {
+	if n.Node == nil {
+		return true
+	}
+	return false
 }
 
 // canSubmitProposal defines if any more proposals
@@ -882,12 +957,14 @@ func (n *Node) sendToMember(members map[uint64]*membership.Member, m raftpb.Mess
 	_, err := conn.ProcessRaftMessage(ctx, &api.ProcessRaftMessageRequest{Message: &m})
 	if err != nil {
 		if grpc.ErrorDesc(err) == ErrMemberRemoved.Error() {
-			atomic.StoreUint32(&n.removed, 1)
+			n.removeRaftOnce.Do(func() {
+				close(n.removeRaftCh)
+			})
 		}
 		if m.Type == raftpb.MsgSnap {
 			n.ReportSnapshot(m.To, raft.SnapshotFailure)
 		}
-		if n.Node == nil {
+		if n.IsStopped() {
 			panic("node is nil")
 		}
 		n.ReportUnreachable(m.To)

vendor/src/github.com/docker/swarmkit/manager/state/raft/storage.go

@@ -162,6 +162,22 @@ func (n *Node) readWAL(ctx context.Context, snapshot *raftpb.Snapshot, forceNewC
 	}
 	n.Config.ID = raftNode.RaftID
 
+	// All members that are no longer part of the cluster must be added to
+	// the removed list right away, so that we don't try to connect to them
+	// before processing the configuration change entries, which could make
+	// us get stuck.
+	for _, ent := range ents {
+		if ent.Index <= st.Commit && ent.Type == raftpb.EntryConfChange {
+			var cc raftpb.ConfChange
+			if err := cc.Unmarshal(ent.Data); err != nil {
+				return fmt.Errorf("error unmarshalling config change: %v", err)
+			}
+			if cc.Type == raftpb.ConfChangeRemoveNode {
+				n.cluster.RemoveMember(cc.NodeID)
+			}
+		}
+	}
+
 	if forceNewCluster {
 		// discard the previously uncommitted entries
 		for i, ent := range ents {
@@ -174,6 +190,23 @@ func (n *Node) readWAL(ctx context.Context, snapshot *raftpb.Snapshot, forceNewC
 
 		// force append the configuration change entries
 		toAppEnts := createConfigChangeEnts(getIDs(snapshot, ents), uint64(n.Config.ID), st.Term, st.Commit)
+
+		// All members that are being removed as part of the
+		// force-new-cluster process must be added to the
+		// removed list right away, so that we don't try to
+		// connect to them before processing the configuration
+		// change entries, which could make us get stuck.
+		for _, ccEnt := range toAppEnts {
+			if ccEnt.Type == raftpb.EntryConfChange {
+				var cc raftpb.ConfChange
+				if err := cc.Unmarshal(ccEnt.Data); err != nil {
+					return fmt.Errorf("error unmarshalling force-new-cluster config change: %v", err)
+				}
+				if cc.Type == raftpb.ConfChangeRemoveNode {
+					n.cluster.RemoveMember(cc.NodeID)
+				}
+			}
+		}
 		ents = append(ents, toAppEnts...)
 
 		// force commit newly appended entries
@@ -347,9 +380,10 @@ func (n *Node) restoreFromSnapshot(data []byte, forceNewCluster bool) error {
 				return err
 			}
 		}
-		for _, removedMember := range snapshot.Membership.Removed {
-			n.cluster.RemoveMember(removedMember)
-		}
+	}
+
+	for _, removedMember := range snapshot.Membership.Removed {
+		n.cluster.RemoveMember(removedMember)
 	}
 
 	return nil

vendor/src/github.com/docker/swarmkit/manager/state/store/memory.go

@@ -23,7 +23,6 @@ const (
 	indexID           = "id"
 	indexName         = "name"
 	indexServiceID    = "serviceid"
-	indexServiceMode  = "servicemode"
 	indexNodeID       = "nodeid"
 	indexSlot         = "slot"
 	indexCN           = "cn"

vendor/src/github.com/docker/swarmkit/picker/picker.go

@@ -272,7 +272,7 @@ func (p *Picker) PickAddr() (string, error) {
 	p.mu.Lock()
 	p.peer = peer
 	p.mu.Unlock()
-	return p.peer.Addr, err
+	return peer.Addr, err
 }
 
 // State returns the connectivity state of the underlying connections.