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Libnetwork vendoring

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Signed-off-by: Flavio Crisciani <flavio.crisciani@docker.com>
This commit is contained in:
Flavio Crisciani 2017-07-13 16:54:24 -07:00
parent 7e4f4d15fd
commit 68d8198ed0
No known key found for this signature in database
GPG key ID: 28CAFCE754CF3A48
20 changed files with 225 additions and 102 deletions
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4
vendor.conf
View file

@ -26,7 +26,7 @@ github.com/imdario/mergo 0.2.1
golang.org/x/sync de49d9dcd27d4f764488181bea099dfe6179bcf0
#get libnetwork packages
github.com/docker/libnetwork 6426d1e66f33c0b0c8bb135b7ee547447f54d043
github.com/docker/libnetwork e23c06b2917c82f6eed18c368f515060af78a09f
github.com/docker/go-events 18b43f1bc85d9cdd42c05a6cd2d444c7a200a894
github.com/armon/go-radix e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
github.com/armon/go-metrics eb0af217e5e9747e41dd5303755356b62d28e3ec
@ -143,4 +143,4 @@ github.com/opencontainers/selinux v1.0.0-rc1
# git --git-dir ./go/.git --work-tree ./go checkout revert-prefix-ignore
# cp -a go/src/archive/tar ./vendor/archive/tar
# rm -rf ./go
# vndr
# vndr

31
vendor/github.com/docker/libnetwork/agent.go generated vendored
View file

@ -214,8 +214,8 @@ func (c *controller) agentSetup(clusterProvider cluster.Provider) error {
listen := clusterProvider.GetListenAddress()
listenAddr, _, _ := net.SplitHostPort(listen)
logrus.Infof("Initializing Libnetwork Agent Listen-Addr=%s Local-addr=%s Adv-addr=%s Data-addr=%s Remote-addr-list=%v",
listenAddr, bindAddr, advAddr, dataAddr, remoteAddrList)
logrus.Infof("Initializing Libnetwork Agent Listen-Addr=%s Local-addr=%s Adv-addr=%s Data-addr=%s Remote-addr-list=%v MTU=%d",
listenAddr, bindAddr, advAddr, dataAddr, remoteAddrList, c.Config().Daemon.NetworkControlPlaneMTU)
if advAddr != "" && agent == nil {
if err := c.agentInit(listenAddr, bindAddr, advAddr, dataAddr); err != nil {
logrus.Errorf("error in agentInit: %v", err)
@ -286,12 +286,19 @@ func (c *controller) agentInit(listenAddr, bindAddrOrInterface, advertiseAddr, d
nodeName := hostname + "-" + stringid.TruncateID(stringid.GenerateRandomID())
logrus.Info("Gossip cluster hostname ", nodeName)
nDB, err := networkdb.New(&networkdb.Config{
BindAddr: listenAddr,
AdvertiseAddr: advertiseAddr,
NodeName: nodeName,
Keys: keys,
})
netDBConf := networkdb.DefaultConfig()
netDBConf.NodeName = nodeName
netDBConf.BindAddr = listenAddr
netDBConf.AdvertiseAddr = advertiseAddr
netDBConf.Keys = keys
if c.Config().Daemon.NetworkControlPlaneMTU != 0 {
// Consider the MTU remove the IP hdr (IPv4 or IPv6) and the TCP/UDP hdr.
// To be on the safe side let's cut 100 bytes
netDBConf.PacketBufferSize = (c.Config().Daemon.NetworkControlPlaneMTU - 100)
logrus.Debugf("Control plane MTU: %d will initialize NetworkDB with: %d",
c.Config().Daemon.NetworkControlPlaneMTU, netDBConf.PacketBufferSize)
}
nDB, err := networkdb.New(netDBConf)
if err != nil {
return err
@ -383,15 +390,11 @@ func (c *controller) agentClose() {
agent.Lock()
for _, cancelFuncs := range agent.driverCancelFuncs {
for _, cancel := range cancelFuncs {
cancelList = append(cancelList, cancel)
}
cancelList = append(cancelList, cancelFuncs...)
}
// Add also the cancel functions for the network db
for _, cancel := range agent.coreCancelFuncs {
cancelList = append(cancelList, cancel)
}
cancelList = append(cancelList, agent.coreCancelFuncs...)
agent.Unlock()
for _, cancel := range cancelList {

34
vendor/github.com/docker/libnetwork/config/config.go generated vendored
View file

@ -26,14 +26,15 @@ type Config struct {
// DaemonCfg represents libnetwork core configuration
type DaemonCfg struct {
Debug bool
Experimental bool
DataDir string
DefaultNetwork string
DefaultDriver string
Labels []string
DriverCfg map[string]interface{}
ClusterProvider cluster.Provider
Debug bool
Experimental bool
DataDir string
DefaultNetwork string
DefaultDriver string
Labels []string
DriverCfg map[string]interface{}
ClusterProvider cluster.Provider
NetworkControlPlaneMTU int
}
// ClusterCfg represents cluster configuration
@ -221,6 +222,18 @@ func OptionExperimental(exp bool) Option {
}
}
// OptionNetworkControlPlaneMTU function returns an option setter for control plane MTU
func OptionNetworkControlPlaneMTU(exp int) Option {
return func(c *Config) {
logrus.Debugf("Network Control Plane MTU: %d", exp)
if exp < 1500 {
// if exp == 0 the value won't be used
logrus.Warnf("Received a MTU of %d, this value is very low, the network control plane can misbehave", exp)
}
c.Daemon.NetworkControlPlaneMTU = exp
}
}
// ProcessOptions processes options and stores it in config
func (c *Config) ProcessOptions(options ...Option) {
for _, opt := range options {
@ -232,10 +245,7 @@ func (c *Config) ProcessOptions(options ...Option) {
// IsValidName validates configuration objects supported by libnetwork
func IsValidName(name string) bool {
if strings.TrimSpace(name) == "" {
return false
}
return true
return strings.TrimSpace(name) != ""
}
// OptionLocalKVProvider function returns an option setter for kvstore provider

65
vendor/github.com/docker/libnetwork/drivers/overlay/ov_network.go generated vendored
View file

@ -12,6 +12,7 @@ import (
"strings"
"sync"
"syscall"
"time"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/reexec"
@ -705,6 +706,7 @@ func (n *network) initSandbox(restore bool) error {
}
func (n *network) watchMiss(nlSock *nl.NetlinkSocket) {
t := time.Now()
for {
msgs, err := nlSock.Receive()
if err != nil {
@ -757,23 +759,55 @@ func (n *network) watchMiss(nlSock *nl.NetlinkSocket) {
continue
}
if !n.driver.isSerfAlive() {
continue
}
if n.driver.isSerfAlive() {
mac, IPmask, vtep, err := n.driver.resolvePeer(n.id, ip)
if err != nil {
logrus.Errorf("could not resolve peer %q: %v", ip, err)
continue
}
mac, IPmask, vtep, err := n.driver.resolvePeer(n.id, ip)
if err != nil {
logrus.Errorf("could not resolve peer %q: %v", ip, err)
continue
}
if err := n.driver.peerAdd(n.id, "dummy", ip, IPmask, mac, vtep, true, l2Miss, l3Miss); err != nil {
logrus.Errorf("could not add neighbor entry for missed peer %q: %v", ip, err)
if err := n.driver.peerAdd(n.id, "dummy", ip, IPmask, mac, vtep, true, l2Miss, l3Miss); err != nil {
logrus.Errorf("could not add neighbor entry for missed peer %q: %v", ip, err)
}
} else {
// If the gc_thresh values are lower kernel might knock off the neighor entries.
// When we get a L3 miss check if its a valid peer and reprogram the neighbor
// entry again. Rate limit it to once attempt every 500ms, just in case a faulty
// container sends a flood of packets to invalid peers
if !l3Miss {
continue
}
if time.Since(t) > 500*time.Millisecond {
t = time.Now()
n.programNeighbor(ip)
}
}
}
}
}
func (n *network) programNeighbor(ip net.IP) {
peerMac, _, _, err := n.driver.peerDbSearch(n.id, ip)
if err != nil {
logrus.Errorf("Reprogramming on L3 miss failed for %s, no peer entry", ip)
return
}
s := n.getSubnetforIPAddr(ip)
if s == nil {
logrus.Errorf("Reprogramming on L3 miss failed for %s, not a valid subnet", ip)
return
}
sbox := n.sandbox()
if sbox == nil {
logrus.Errorf("Reprogramming on L3 miss failed for %s, overlay sandbox missing", ip)
return
}
if err := sbox.AddNeighbor(ip, peerMac, true, sbox.NeighborOptions().LinkName(s.vxlanName)); err != nil {
logrus.Errorf("Reprogramming on L3 miss failed for %s: %v", ip, err)
return
}
}
func (d *driver) addNetwork(n *network) {
d.Lock()
d.networks[n.id] = n
@ -1052,6 +1086,15 @@ func (n *network) contains(ip net.IP) bool {
return false
}
func (n *network) getSubnetforIPAddr(ip net.IP) *subnet {
for _, s := range n.subnets {
if s.subnetIP.Contains(ip) {
return s
}
}
return nil
}
// getSubnetforIP returns the subnet to which the given IP belongs
func (n *network) getSubnetforIP(ip *net.IPNet) *subnet {
for _, s := range n.subnets {

3
vendor/github.com/docker/libnetwork/drivers/windows/labels.go generated vendored
View file

@ -28,6 +28,9 @@ const (
// DNSServers of the network
DNSServers = "com.docker.network.windowsshim.dnsservers"
// MacPool of the network
MacPool = "com.docker.network.windowsshim.macpool"
// SourceMac of the network
SourceMac = "com.docker.network.windowsshim.sourcemac"

14
vendor/github.com/docker/libnetwork/drivers/windows/windows.go generated vendored
View file

@ -38,6 +38,7 @@ type networkConfiguration struct {
VLAN uint
VSID uint
DNSServers string
MacPools []hcsshim.MacPool
DNSSuffix string
SourceMac string
NetworkAdapterName string
@ -168,6 +169,18 @@ func (d *driver) parseNetworkOptions(id string, genericOptions map[string]string
config.DNSSuffix = value
case DNSServers:
config.DNSServers = value
case MacPool:
config.MacPools = make([]hcsshim.MacPool, 0)
s := strings.Split(value, ",")
if len(s)%2 != 0 {
return nil, types.BadRequestErrorf("Invalid mac pool. You must specify both a start range and an end range")
}
for i := 0; i < len(s)-1; i += 2 {
config.MacPools = append(config.MacPools, hcsshim.MacPool{
StartMacAddress: s[i],
EndMacAddress: s[i+1],
})
}
case VLAN:
vlan, err := strconv.ParseUint(value, 10, 32)
if err != nil {
@ -274,6 +287,7 @@ func (d *driver) CreateNetwork(id string, option map[string]interface{}, nInfo d
Subnets: subnets,
DNSServerList: config.DNSServers,
DNSSuffix: config.DNSSuffix,
MacPools: config.MacPools,
SourceMac: config.SourceMac,
NetworkAdapterName: config.NetworkAdapterName,
}

1
vendor/github.com/docker/libnetwork/drivers_windows.go generated vendored
View file

@ -16,5 +16,6 @@ func getInitializers(experimental bool) []initializer {
{windows.GetInit("l2bridge"), "l2bridge"},
{windows.GetInit("l2tunnel"), "l2tunnel"},
{windows.GetInit("nat"), "nat"},
{windows.GetInit("ics"), "ics"},
}
}

4
vendor/github.com/docker/libnetwork/endpoint_info.go generated vendored
View file

@ -154,9 +154,7 @@ func (epi *endpointInterface) CopyTo(dstEpi *endpointInterface) error {
dstEpi.v6PoolID = epi.v6PoolID
if len(epi.llAddrs) != 0 {
dstEpi.llAddrs = make([]*net.IPNet, 0, len(epi.llAddrs))
for _, ll := range epi.llAddrs {
dstEpi.llAddrs = append(dstEpi.llAddrs, ll)
}
dstEpi.llAddrs = append(dstEpi.llAddrs, epi.llAddrs...)
}
for _, route := range epi.routes {

8
vendor/github.com/docker/libnetwork/iptables/iptables.go generated vendored
View file

@ -151,11 +151,11 @@ func ProgramChain(c *ChainInfo, bridgeName string, hairpinMode, enable bool) err
"-j", c.Name}
if !Exists(Nat, "PREROUTING", preroute...) && enable {
if err := c.Prerouting(Append, preroute...); err != nil {
return fmt.Errorf("Failed to inject docker in PREROUTING chain: %s", err)
return fmt.Errorf("Failed to inject %s in PREROUTING chain: %s", c.Name, err)
}
} else if Exists(Nat, "PREROUTING", preroute...) && !enable {
if err := c.Prerouting(Delete, preroute...); err != nil {
return fmt.Errorf("Failed to remove docker in PREROUTING chain: %s", err)
return fmt.Errorf("Failed to remove %s in PREROUTING chain: %s", c.Name, err)
}
}
output := []string{
@ -167,11 +167,11 @@ func ProgramChain(c *ChainInfo, bridgeName string, hairpinMode, enable bool) err
}
if !Exists(Nat, "OUTPUT", output...) && enable {
if err := c.Output(Append, output...); err != nil {
return fmt.Errorf("Failed to inject docker in OUTPUT chain: %s", err)
return fmt.Errorf("Failed to inject %s in OUTPUT chain: %s", c.Name, err)
}
} else if Exists(Nat, "OUTPUT", output...) && !enable {
if err := c.Output(Delete, output...); err != nil {
return fmt.Errorf("Failed to inject docker in OUTPUT chain: %s", err)
return fmt.Errorf("Failed to inject %s in OUTPUT chain: %s", c.Name, err)
}
}
case Filter:

23
vendor/github.com/docker/libnetwork/network.go generated vendored
View file

@ -434,15 +434,11 @@ func (n *network) applyConfigurationTo(to *network) error {
}
if len(n.ipamV4Config) > 0 {
to.ipamV4Config = make([]*IpamConf, 0, len(n.ipamV4Config))
for _, v4conf := range n.ipamV4Config {
to.ipamV4Config = append(to.ipamV4Config, v4conf)
}
to.ipamV4Config = append(to.ipamV4Config, n.ipamV4Config...)
}
if len(n.ipamV6Config) > 0 {
to.ipamV6Config = make([]*IpamConf, 0, len(n.ipamV6Config))
for _, v6conf := range n.ipamV6Config {
to.ipamV6Config = append(to.ipamV6Config, v6conf)
}
to.ipamV6Config = append(to.ipamV6Config, n.ipamV6Config...)
}
if len(n.generic) > 0 {
to.generic = options.Generic{}
@ -873,8 +869,7 @@ func (n *network) resolveDriver(name string, load bool) (driverapi.Driver, *driv
d, cap := c.drvRegistry.Driver(name)
if d == nil {
if load {
var err error
err = c.loadDriver(name)
err := c.loadDriver(name)
if err != nil {
return nil, nil, err
}
@ -1451,11 +1446,7 @@ func (n *network) ipamAllocate() error {
}
err = n.ipamAllocateVersion(6, ipam)
if err != nil {
return err
}
return nil
return err
}
func (n *network) requestPoolHelper(ipam ipamapi.Ipam, addressSpace, preferredPool, subPool string, options map[string]string, v6 bool) (string, *net.IPNet, map[string]string, error) {
@ -1654,9 +1645,7 @@ func (n *network) getIPInfo(ipVer int) []*IpamInfo {
}
l := make([]*IpamInfo, 0, len(info))
n.Lock()
for _, d := range info {
l = append(l, d)
}
l = append(l, info...)
n.Unlock()
return l
}
@ -1870,7 +1859,7 @@ func (n *network) ResolveName(req string, ipType int) ([]net.IP, bool) {
// the docker network domain. If the network is not v6 enabled
// set ipv6Miss to filter the DNS query from going to external
// resolvers.
if ok && n.enableIPv6 == false {
if ok && !n.enableIPv6 {
ipv6Miss = true
}
ipSet, ok = sr.svcIPv6Map.Get(req)

2
vendor/github.com/docker/libnetwork/network_windows.go generated vendored
View file

@ -29,7 +29,7 @@ func executeInCompartment(compartmentID uint32, x func()) {
func (n *network) startResolver() {
n.resolverOnce.Do(func() {
logrus.Debugf("Launching DNS server for network", n.Name())
logrus.Debugf("Launching DNS server for network %q", n.Name())
options := n.Info().DriverOptions()
hnsid := options[windows.HNSID]

40
vendor/github.com/docker/libnetwork/networkdb/cluster.go generated vendored
View file

@ -98,10 +98,14 @@ func (nDB *NetworkDB) RemoveKey(key []byte) {
}
func (nDB *NetworkDB) clusterInit() error {
nDB.lastStatsTimestamp = time.Now()
nDB.lastHealthTimestamp = nDB.lastStatsTimestamp
config := memberlist.DefaultLANConfig()
config.Name = nDB.config.NodeName
config.BindAddr = nDB.config.BindAddr
config.AdvertiseAddr = nDB.config.AdvertiseAddr
config.UDPBufferSize = nDB.config.PacketBufferSize
if nDB.config.BindPort != 0 {
config.BindPort = nDB.config.BindPort
@ -199,9 +203,8 @@ func (nDB *NetworkDB) clusterJoin(members []string) error {
mlist := nDB.memberlist
if _, err := mlist.Join(members); err != nil {
// Incase of failure, keep retrying join until it succeeds or the cluster is shutdown.
// In case of failure, keep retrying join until it succeeds or the cluster is shutdown.
go nDB.retryJoin(members, nDB.stopCh)
return fmt.Errorf("could not join node to memberlist: %v", err)
}
@ -310,12 +313,11 @@ func (nDB *NetworkDB) reapState() {
func (nDB *NetworkDB) reapNetworks() {
nDB.Lock()
for name, nn := range nDB.networks {
for _, nn := range nDB.networks {
for id, n := range nn {
if n.leaving {
if n.reapTime <= 0 {
delete(nn, id)
nDB.deleteNetworkNode(id, name)
continue
}
n.reapTime -= reapPeriod
@ -373,11 +375,21 @@ func (nDB *NetworkDB) gossip() {
networkNodes[nid] = nDB.networkNodes[nid]
}
printStats := time.Since(nDB.lastStatsTimestamp) >= nDB.config.StatsPrintPeriod
printHealth := time.Since(nDB.lastHealthTimestamp) >= nDB.config.HealthPrintPeriod
nDB.RUnlock()
if printHealth {
healthScore := nDB.memberlist.GetHealthScore()
if healthScore != 0 {
logrus.Warnf("NetworkDB stats - healthscore:%d (connectivity issues)", healthScore)
}
nDB.lastHealthTimestamp = time.Now()
}
for nid, nodes := range networkNodes {
mNodes := nDB.mRandomNodes(3, nodes)
bytesAvail := udpSendBuf - compoundHeaderOverhead
bytesAvail := nDB.config.PacketBufferSize - compoundHeaderOverhead
nDB.RLock()
network, ok := thisNodeNetworks[nid]
@ -398,6 +410,14 @@ func (nDB *NetworkDB) gossip() {
}
msgs := broadcastQ.GetBroadcasts(compoundOverhead, bytesAvail)
// Collect stats and print the queue info, note this code is here also to have a view of the queues empty
network.qMessagesSent += len(msgs)
if printStats {
logrus.Infof("NetworkDB stats - Queue net:%s qLen:%d netPeers:%d netMsg/s:%d",
nid, broadcastQ.NumQueued(), broadcastQ.NumNodes(), network.qMessagesSent/int((nDB.config.StatsPrintPeriod/time.Second)))
network.qMessagesSent = 0
}
if len(msgs) == 0 {
continue
}
@ -415,11 +435,15 @@ func (nDB *NetworkDB) gossip() {
}
// Send the compound message
if err := nDB.memberlist.SendToUDP(&mnode.Node, compound); err != nil {
if err := nDB.memberlist.SendBestEffort(&mnode.Node, compound); err != nil {
logrus.Errorf("Failed to send gossip to %s: %s", mnode.Addr, err)
}
}
}
// Reset the stats
if printStats {
nDB.lastStatsTimestamp = time.Now()
}
}
func (nDB *NetworkDB) bulkSyncTables() {
@ -590,7 +614,7 @@ func (nDB *NetworkDB) bulkSyncNode(networks []string, node string, unsolicited b
nDB.bulkSyncAckTbl[node] = ch
nDB.Unlock()
err = nDB.memberlist.SendToTCP(&mnode.Node, buf)
err = nDB.memberlist.SendReliable(&mnode.Node, buf)
if err != nil {
nDB.Lock()
delete(nDB.bulkSyncAckTbl, node)
@ -607,7 +631,7 @@ func (nDB *NetworkDB) bulkSyncNode(networks []string, node string, unsolicited b
case <-t.C:
logrus.Errorf("Bulk sync to node %s timed out", node)
case <-ch:
logrus.Debugf("%s: Bulk sync to node %s took %s", nDB.config.NodeName, node, time.Now().Sub(startTime))
logrus.Debugf("%s: Bulk sync to node %s took %s", nDB.config.NodeName, node, time.Since(startTime))
}
t.Stop()
}

12
vendor/github.com/docker/libnetwork/networkdb/delegate.go generated vendored
View file

@ -111,9 +111,12 @@ func (nDB *NetworkDB) handleNodeEvent(nEvent *NodeEvent) bool {
switch nEvent.Type {
case NodeEventTypeJoin:
nDB.Lock()
_, found := nDB.nodes[n.Name]
nDB.nodes[n.Name] = n
nDB.Unlock()
logrus.Infof("Node join event for %s/%s", n.Name, n.Addr)
if !found {
logrus.Infof("Node join event for %s/%s", n.Name, n.Addr)
}
return true
case NodeEventTypeLeave:
nDB.Lock()
@ -176,7 +179,12 @@ func (nDB *NetworkDB) handleNetworkEvent(nEvent *NetworkEvent) bool {
flushEntries = true
}
nDB.addNetworkNode(nEvent.NetworkID, nEvent.NodeName)
if nEvent.Type == NetworkEventTypeLeave {
nDB.deleteNetworkNode(nEvent.NetworkID, nEvent.NodeName)
} else {
nDB.addNetworkNode(nEvent.NetworkID, nEvent.NodeName)
}
return true
}

4
vendor/github.com/docker/libnetwork/networkdb/message.go generated vendored
View file

@ -3,10 +3,6 @@ package networkdb
import "github.com/gogo/protobuf/proto"
const (
// Max udp message size chosen to avoid network packet
// fragmentation.
udpSendBuf = 1400
// Compound message header overhead 1 byte(message type) + 4
// bytes (num messages)
compoundHeaderOverhead = 5

54
vendor/github.com/docker/libnetwork/networkdb/networkdb.go generated vendored
View file

@ -1,10 +1,11 @@
package networkdb
//go:generate protoc -I.:../Godeps/_workspace/src/github.com/gogo/protobuf --gogo_out=import_path=github.com/docker/libnetwork/networkdb,Mgogoproto/gogo.proto=github.com/gogo/protobuf/gogoproto:. networkdb.proto
//go:generate protoc -I.:../vendor/github.com/gogo/protobuf --gogo_out=import_path=github.com/docker/libnetwork/networkdb,Mgogoproto/gogo.proto=github.com/gogo/protobuf/gogoproto:. networkdb.proto
import (
"fmt"
"net"
"os"
"strings"
"sync"
"time"
@ -93,6 +94,12 @@ type NetworkDB struct {
// bootStrapIP is the list of IPs that can be used to bootstrap
// the gossip.
bootStrapIP []net.IP
// lastStatsTimestamp is the last timestamp when the stats got printed
lastStatsTimestamp time.Time
// lastHealthTimestamp is the last timestamp when the health score got printed
lastHealthTimestamp time.Time
}
// PeerInfo represents the peer (gossip cluster) nodes of a network
@ -126,6 +133,9 @@ type network struct {
// The broadcast queue for table event gossip. This is only
// initialized for this node's network attachment entries.
tableBroadcasts *memberlist.TransmitLimitedQueue
// Number of gossip messages sent related to this network during the last stats collection period
qMessagesSent int
}
// Config represents the configuration of the networdb instance and
@ -149,6 +159,21 @@ type Config struct {
// Keys to be added to the Keyring of the memberlist. Key at index
// 0 is the primary key
Keys [][]byte
// PacketBufferSize is the maximum number of bytes that memberlist will
// put in a packet (this will be for UDP packets by default with a NetTransport).
// A safe value for this is typically 1400 bytes (which is the default). However,
// depending on your network's MTU (Maximum Transmission Unit) you may
// be able to increase this to get more content into each gossip packet.
PacketBufferSize int
// StatsPrintPeriod the period to use to print queue stats
// Default is 5min
StatsPrintPeriod time.Duration
// HealthPrintPeriod the period to use to print the health score
// Default is 1min
HealthPrintPeriod time.Duration
}
// entry defines a table entry
@ -171,6 +196,18 @@ type entry struct {
reapTime time.Duration
}
// DefaultConfig returns a NetworkDB config with default values
func DefaultConfig() *Config {
hostname, _ := os.Hostname()
return &Config{
NodeName: hostname,
BindAddr: "0.0.0.0",
PacketBufferSize: 1400,
StatsPrintPeriod: 5 * time.Minute,
HealthPrintPeriod: 1 * time.Minute,
}
}
// New creates a new instance of NetworkDB using the Config passed by
// the caller.
func New(c *Config) (*NetworkDB, error) {
@ -200,6 +237,7 @@ func New(c *Config) (*NetworkDB, error) {
// instances passed by the caller in the form of addr:port
func (nDB *NetworkDB) Join(members []string) error {
nDB.Lock()
nDB.bootStrapIP = make([]net.IP, 0, len(members))
for _, m := range members {
nDB.bootStrapIP = append(nDB.bootStrapIP, net.ParseIP(m))
}
@ -481,13 +519,12 @@ func (nDB *NetworkDB) JoinNetwork(nid string) error {
nodeNetworks[nid].tableBroadcasts = &memberlist.TransmitLimitedQueue{
NumNodes: func() int {
nDB.RLock()
num := len(nDB.networkNodes[nid])
nDB.RUnlock()
return num
defer nDB.RUnlock()
return len(nDB.networkNodes[nid])
},
RetransmitMult: 4,
}
nDB.networkNodes[nid] = append(nDB.networkNodes[nid], nDB.config.NodeName)
nDB.addNetworkNode(nid, nDB.config.NodeName)
networkNodes := nDB.networkNodes[nid]
nDB.Unlock()
@ -522,6 +559,8 @@ func (nDB *NetworkDB) LeaveNetwork(nid string) error {
entries []*entry
)
nDB.deleteNetworkNode(nid, nDB.config.NodeName)
nwWalker := func(path string, v interface{}) bool {
entry, ok := v.(*entry)
if !ok {
@ -580,7 +619,10 @@ func (nDB *NetworkDB) addNetworkNode(nid string, nodeName string) {
// passed network. Caller should hold the NetworkDB lock while calling
// this
func (nDB *NetworkDB) deleteNetworkNode(nid string, nodeName string) {
nodes := nDB.networkNodes[nid]
nodes, ok := nDB.networkNodes[nid]
if !ok || len(nodes) == 0 {
return
}
newNodes := make([]string, 0, len(nodes)-1)
for _, name := range nodes {
if name == nodeName {

2
vendor/github.com/docker/libnetwork/resolver.go generated vendored
View file

@ -446,7 +446,7 @@ func (r *resolver) ServeDNS(w dns.ResponseWriter, query *dns.Msg) {
defer co.Close()
// limits the number of outstanding concurrent queries.
if r.forwardQueryStart() == false {
if !r.forwardQueryStart() {
old := r.tStamp
r.tStamp = time.Now()
if r.tStamp.Sub(old) > logInterval {

16
vendor/github.com/docker/libnetwork/sandbox.go generated vendored
View file

@ -621,7 +621,7 @@ func (sb *sandbox) resolveName(req string, networkName string, epList []*endpoin
func (sb *sandbox) SetKey(basePath string) error {
start := time.Now()
defer func() {
logrus.Debugf("sandbox set key processing took %s for container %s", time.Now().Sub(start), sb.ContainerID())
logrus.Debugf("sandbox set key processing took %s for container %s", time.Since(start), sb.ContainerID())
}()
if basePath == "" {
@ -773,9 +773,7 @@ func (sb *sandbox) restoreOslSandbox() error {
}
Ifaces[fmt.Sprintf("%s+%s", i.srcName, i.dstPrefix)] = ifaceOptions
if joinInfo != nil {
for _, r := range joinInfo.StaticRoutes {
routes = append(routes, r)
}
routes = append(routes, joinInfo.StaticRoutes...)
}
if ep.needResolver() {
sb.startResolver(true)
@ -789,11 +787,7 @@ func (sb *sandbox) restoreOslSandbox() error {
// restore osl sandbox
err := sb.osSbox.Restore(Ifaces, routes, gwep.joinInfo.gw, gwep.joinInfo.gw6)
if err != nil {
return err
}
return nil
return err
}
func (sb *sandbox) populateNetworkResources(ep *endpoint) error {
@ -958,9 +952,7 @@ func (sb *sandbox) joinLeaveStart() {
joinLeaveDone := sb.joinLeaveDone
sb.Unlock()
select {
case <-joinLeaveDone:
}
<-joinLeaveDone
sb.Lock()
}

1
vendor/github.com/docker/libnetwork/sandbox_externalkey_unix.go generated vendored
View file

@ -52,7 +52,6 @@ func processSetKeyReexec() {
controllerID := os.Args[2]
err = SetExternalKey(controllerID, containerID, fmt.Sprintf("/proc/%d/ns/net", state.Pid))
return
}
// SetExternalKey provides a convenient way to set an External key to a sandbox

4
vendor/github.com/docker/libnetwork/sandbox_store.go generated vendored
View file

@ -115,9 +115,7 @@ func (sbs *sbState) CopyTo(o datastore.KVObject) error {
dstSbs.dbExists = sbs.dbExists
dstSbs.EpPriority = sbs.EpPriority
for _, eps := range sbs.Eps {
dstSbs.Eps = append(dstSbs.Eps, eps)
}
dstSbs.Eps = append(dstSbs.Eps, sbs.Eps...)
if len(sbs.ExtDNS2) > 0 {
for _, dns := range sbs.ExtDNS2 {

5
vendor/github.com/docker/libnetwork/service_linux.go generated vendored
View file

@ -372,6 +372,7 @@ func programIngress(gwIP net.IP, ingressPorts []*PortConfig, isDelete bool) erro
if err := iptables.RawCombinedOutput("-I", "FORWARD", "-j", ingressChain); err != nil {
return fmt.Errorf("failed to add jump rule to %s in filter table forward chain: %v", ingressChain, err)
}
arrangeUserFilterRule()
}
oifName, err := findOIFName(gwIP)
@ -438,7 +439,9 @@ func programIngress(gwIP net.IP, ingressPorts []*PortConfig, isDelete bool) erro
return nil
}
// In the filter table FORWARD chain first rule should be to jump to INGRESS-CHAIN
// In the filter table FORWARD chain the first rule should be to jump to
// DOCKER-USER so the user is able to filter packet first.
// The second rule should be jump to INGRESS-CHAIN.
// This chain has the rules to allow access to the published ports for swarm tasks
// from local bridge networks and docker_gwbridge (ie:taks on other swarm netwroks)
func arrangeIngressFilterRule() {