Fix issues running libnetwork tests.

libnetwork does different stuff depending on if you are running the
tests in a container or not... without telling it we are in a container
a bunch of the tests actually fail.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>

Jenkinsfile

@@ -190,7 +190,7 @@ pipeline {
                                   -e VALIDATE_REPO=${GIT_URL} \
                                   -e VALIDATE_BRANCH=${CHANGE_TARGET} \
                                   docker:${GIT_COMMIT} \
-                                  hack/test/unit"
+                                  hack/test/unit
                                 '''
                             }
                             post {
@@ -587,7 +587,7 @@ pipeline {
                                   -e VALIDATE_REPO=${GIT_URL} \
                                   -e VALIDATE_BRANCH=${CHANGE_TARGET} \
                                   docker:${GIT_COMMIT} \
-                                  hack/test/unit"
+                                  hack/test/unit
                                 '''
                             }
                             post {
@@ -786,7 +786,7 @@ pipeline {
                                   -e VALIDATE_REPO=${GIT_URL} \
                                   -e VALIDATE_BRANCH=${CHANGE_TARGET} \
                                   docker:${GIT_COMMIT} \
-                                  hack/test/unit"
+                                  hack/test/unit
                                 '''
                             }
                             post {
@@ -982,7 +982,7 @@ pipeline {
                                   -e VALIDATE_REPO=${GIT_URL} \
                                   -e VALIDATE_BRANCH=${CHANGE_TARGET} \
                                   docker:${GIT_COMMIT} \
-                                  hack/test/unit"
+                                  hack/test/unit
                                 '''
                             }
                             post {

hack/make/cross

@@ -30,7 +30,7 @@ for platform in ${DOCKER_CROSSPLATFORMS}; do
 		echo "Cross building: ${DEST}"
 		mkdir -p "${DEST}"
 		ABS_DEST="$(cd "${DEST}" && pwd -P)"
-		source "${MAKEDIR}/binary-daemon"
+		source "${MAKEDIR}/binary"
 
 		source "${MAKEDIR}/cross-platform-dependent"
 	)

hack/test/unit

@@ -10,7 +10,7 @@
 #
 #   TESTDIRS='./pkg/term' hack/test/unit
 #
-set -eu -o pipefail
+set -eux -o pipefail
 
 BUILDFLAGS=(-tags 'netgo seccomp libdm_no_deferred_remove')
 TESTFLAGS+=" -test.timeout=${TIMEOUT:-5m}"
@@ -30,4 +30,4 @@ gotestsum --format=standard-quiet --jsonfile=bundles/go-test-report.json --junit
 	-coverprofile=bundles/profile.out \
 	-covermode=atomic \
 	${TESTFLAGS} \
-	${pkg_list}
+	${pkg_list}

libnetwork/bitseq/sequence_test.go

@@ -4,17 +4,19 @@ import (
 	"fmt"
 	"io/ioutil"
 	"math/rand"
+	"os"
+	"path/filepath"
 	"testing"
 	"time"
 
-	"github.com/docker/libkv/store"
-	"github.com/docker/libkv/store/boltdb"
 	"github.com/docker/docker/libnetwork/datastore"
 	_ "github.com/docker/docker/libnetwork/testutils"
+	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/boltdb"
 )
 
-const (
-	defaultPrefix = "/tmp/libnetwork/test/bitseq"
+var (
+	defaultPrefix = filepath.Join(os.TempDir(), "libnetwork", "test", "bitseq")
 )
 
 func init() {
@@ -32,7 +34,7 @@ func randomLocalStore() (datastore.DataStore, error) {
 	return datastore.NewDataStore(datastore.LocalScope, &datastore.ScopeCfg{
 		Client: datastore.ScopeClientCfg{
 			Provider: "boltdb",
-			Address:  defaultPrefix + tmp.Name(),
+			Address:  filepath.Join(defaultPrefix, filepath.Base(tmp.Name())),
 			Config: &store.Config{
 				Bucket:            "libnetwork",
 				ConnectionTimeout: 3 * time.Second,
@@ -937,7 +939,7 @@ func TestAllocateRandomDeallocate(t *testing.T) {
 
 	numBlocks := uint32(8)
 	numBits := int(numBlocks * blockLen)
-	hnd, err := NewHandle("bitseq-test/data/", ds, "test1", uint64(numBits))
+	hnd, err := NewHandle(filepath.Join("bitseq", "test", "data"), ds, "test1", uint64(numBits))
 	if err != nil {
 		t.Fatal(err)
 	}

libnetwork/cmd/proxy/network_proxy_test.go

@@ -6,11 +6,14 @@ import (
 	"io"
 	"io/ioutil"
 	"net"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
 
 	"github.com/ishidawataru/sctp"
+	"gotest.tools/v3/skip"
+
 	// this takes care of the incontainer flag
 	_ "github.com/docker/docker/libnetwork/testutils"
 )
@@ -282,6 +285,8 @@ func TestUDPWriteError(t *testing.T) {
 }
 
 func TestSCTP4Proxy(t *testing.T) {
+	skip.If(t, runtime.GOOS == "windows", "sctp is not supported on windows")
+
 	backend := NewEchoServer(t, "sctp", "127.0.0.1:0", EchoServerOptions{})
 	defer backend.Close()
 	backend.Run()
@@ -295,6 +300,8 @@ func TestSCTP4Proxy(t *testing.T) {
 
 func TestSCTP6Proxy(t *testing.T) {
 	t.Skip("Need to start CI docker with --ipv6")
+	skip.If(t, runtime.GOOS == "windows", "sctp is not supported on windows")
+
 	backend := NewEchoServer(t, "sctp", "[::1]:0", EchoServerOptions{})
 	defer backend.Close()
 	backend.Run()

libnetwork/drivers/remote/driver_test.go

@@ -11,14 +11,16 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"os"
+	"path/filepath"
+	"runtime"
 	"testing"
 
-	"github.com/docker/docker/pkg/plugins"
 	"github.com/docker/docker/libnetwork/datastore"
 	"github.com/docker/docker/libnetwork/discoverapi"
 	"github.com/docker/docker/libnetwork/driverapi"
 	_ "github.com/docker/docker/libnetwork/testutils"
 	"github.com/docker/docker/libnetwork/types"
+	"github.com/docker/docker/pkg/plugins"
 )
 
 func decodeToMap(r *http.Request) (res map[string]interface{}, err error) {
@@ -41,16 +43,27 @@ func handle(t *testing.T, mux *http.ServeMux, method string, h func(map[string]i
 }
 
 func setupPlugin(t *testing.T, name string, mux *http.ServeMux) func() {
-	if err := os.MkdirAll("/etc/docker/plugins", 0755); err != nil {
+	specPath := "/etc/docker/plugins"
+	if runtime.GOOS == "windows" {
+		specPath = filepath.Join(os.Getenv("programdata"), "docker", "plugins")
+	}
+
+	if err := os.MkdirAll(specPath, 0755); err != nil {
 		t.Fatal(err)
 	}
 
+	defer func() {
+		if t.Failed() {
+			os.RemoveAll(specPath)
+		}
+	}()
+
 	server := httptest.NewServer(mux)
 	if server == nil {
 		t.Fatal("Failed to start an HTTP Server")
 	}
 
-	if err := ioutil.WriteFile(fmt.Sprintf("/etc/docker/plugins/%s.spec", name), []byte(server.URL), 0644); err != nil {
+	if err := ioutil.WriteFile(filepath.Join(specPath, name+".spec"), []byte(server.URL), 0644); err != nil {
 		t.Fatal(err)
 	}
 
@@ -60,7 +73,7 @@ func setupPlugin(t *testing.T, name string, mux *http.ServeMux) func() {
 	})
 
 	return func() {
-		if err := os.RemoveAll("/etc/docker/plugins"); err != nil {
+		if err := os.RemoveAll(specPath); err != nil {
 			t.Fatal(err)
 		}
 		server.Close()

libnetwork/ipam/allocator_test.go

@@ -7,24 +7,26 @@ import (
 	"io/ioutil"
 	"math/rand"
 	"net"
+	"os"
+	"path/filepath"
 	"strconv"
 	"sync"
 	"testing"
 	"time"
 
-	"github.com/docker/libkv/store"
-	"github.com/docker/libkv/store/boltdb"
 	"github.com/docker/docker/libnetwork/bitseq"
 	"github.com/docker/docker/libnetwork/datastore"
 	"github.com/docker/docker/libnetwork/ipamapi"
 	_ "github.com/docker/docker/libnetwork/testutils"
 	"github.com/docker/docker/libnetwork/types"
+	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/boltdb"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )
 
-const (
-	defaultPrefix = "/tmp/libnetwork/test/ipam"
+var (
+	defaultPrefix = filepath.Join(os.TempDir(), "libnetwork", "test", "ipam")
 )
 
 func init() {
@@ -46,7 +48,7 @@ func randomLocalStore(needStore bool) (datastore.DataStore, error) {
 	return datastore.NewDataStore(datastore.LocalScope, &datastore.ScopeCfg{
 		Client: datastore.ScopeClientCfg{
 			Provider: "boltdb",
-			Address:  defaultPrefix + tmp.Name(),
+			Address:  filepath.Join(defaultPrefix, filepath.Base(tmp.Name())),
 			Config: &store.Config{
 				Bucket:            "libnetwork",
 				ConnectionTimeout: 3 * time.Second,

libnetwork/ipams/remote/remote_test.go

@@ -9,11 +9,13 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"os"
+	"path/filepath"
+	"runtime"
 	"testing"
 
-	"github.com/docker/docker/pkg/plugins"
 	"github.com/docker/docker/libnetwork/ipamapi"
 	_ "github.com/docker/docker/libnetwork/testutils"
+	"github.com/docker/docker/pkg/plugins"
 )
 
 func decodeToMap(r *http.Request) (res map[string]interface{}, err error) {
@@ -36,16 +38,27 @@ func handle(t *testing.T, mux *http.ServeMux, method string, h func(map[string]i
 }
 
 func setupPlugin(t *testing.T, name string, mux *http.ServeMux) func() {
-	if err := os.MkdirAll("/etc/docker/plugins", 0755); err != nil {
+	specPath := "/etc/docker/plugins"
+	if runtime.GOOS == "windows" {
+		specPath = filepath.Join(os.Getenv("programdata"), "docker", "plugins")
+	}
+
+	if err := os.MkdirAll(specPath, 0755); err != nil {
 		t.Fatal(err)
 	}
 
+	defer func() {
+		if t.Failed() {
+			os.RemoveAll(specPath)
+		}
+	}()
+
 	server := httptest.NewServer(mux)
 	if server == nil {
 		t.Fatal("Failed to start an HTTP Server")
 	}
 
-	if err := ioutil.WriteFile(fmt.Sprintf("/etc/docker/plugins/%s.spec", name), []byte(server.URL), 0644); err != nil {
+	if err := ioutil.WriteFile(filepath.Join(specPath, name+".spec"), []byte(server.URL), 0644); err != nil {
 		t.Fatal(err)
 	}
 
@@ -55,7 +68,7 @@ func setupPlugin(t *testing.T, name string, mux *http.ServeMux) func() {
 	})
 
 	return func() {
-		if err := os.RemoveAll("/etc/docker/plugins"); err != nil {
+		if err := os.RemoveAll(specPath); err != nil {
 			t.Fatal(err)
 		}
 		server.Close()

libnetwork/libnetwork_test.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"os"
+	"path/filepath"
 	"sync"
 	"testing"
 
@@ -1314,10 +1315,6 @@ func TestEndpointUpdateParent(t *testing.T) {
 }
 
 func TestInvalidRemoteDriver(t *testing.T) {
-	if !testutils.IsRunningInContainer() {
-		t.Skip("Skipping test when not running inside a Container")
-	}
-
 	mux := http.NewServeMux()
 	server := httptest.NewServer(mux)
 	if server == nil {
@@ -1334,16 +1331,16 @@ func TestInvalidRemoteDriver(t *testing.T) {
 		fmt.Fprintln(w, `{"Implements": ["InvalidDriver"]}`)
 	})
 
-	if err := os.MkdirAll("/etc/docker/plugins", 0755); err != nil {
+	if err := os.MkdirAll(specPath, 0755); err != nil {
 		t.Fatal(err)
 	}
 	defer func() {
-		if err := os.RemoveAll("/etc/docker/plugins"); err != nil {
+		if err := os.RemoveAll(specPath); err != nil {
 			t.Fatal(err)
 		}
 	}()
 
-	if err := ioutil.WriteFile("/etc/docker/plugins/invalid-network-driver.spec", []byte(server.URL), 0644); err != nil {
+	if err := ioutil.WriteFile(filepath.Join(specPath, "invalid-network-driver.spec"), []byte(server.URL), 0644); err != nil {
 		t.Fatal(err)
 	}
 
@@ -1365,10 +1362,6 @@ func TestInvalidRemoteDriver(t *testing.T) {
 }
 
 func TestValidRemoteDriver(t *testing.T) {
-	if !testutils.IsRunningInContainer() {
-		t.Skip("Skipping test when not running inside a Container")
-	}
-
 	mux := http.NewServeMux()
 	server := httptest.NewServer(mux)
 	if server == nil {
@@ -1397,16 +1390,16 @@ func TestValidRemoteDriver(t *testing.T) {
 		fmt.Fprintf(w, "null")
 	})
 
-	if err := os.MkdirAll("/etc/docker/plugins", 0755); err != nil {
+	if err := os.MkdirAll(specPath, 0755); err != nil {
 		t.Fatal(err)
 	}
 	defer func() {
-		if err := os.RemoveAll("/etc/docker/plugins"); err != nil {
+		if err := os.RemoveAll(specPath); err != nil {
 			t.Fatal(err)
 		}
 	}()
 
-	if err := ioutil.WriteFile("/etc/docker/plugins/valid-network-driver.spec", []byte(server.URL), 0644); err != nil {
+	if err := ioutil.WriteFile(filepath.Join(specPath, "valid-network-driver.spec"), []byte(server.URL), 0644); err != nil {
 		t.Fatal(err)
 	}
 

libnetwork/libnetwork_unix_test.go

@@ -0,0 +1,5 @@
+// +build !windows
+
+package libnetwork_test
+
+var specPath = "/etc/docker/plugins"

libnetwork/libnetwork_windows_test.go

@@ -0,0 +1,3 @@
+package libnetwork_test
+
+var specPath = filepath.Join(os.Getenv("programdata"), "docker", "plugins")

libnetwork/testutils/net.go

@@ -1,10 +1,11 @@
 package testutils
 
-import "flag"
-
-var runningInContainer = flag.Bool("incontainer", false, "Indicates if the test is running in a container")
+import (
+	"os"
+)
 
 // IsRunningInContainer returns whether the test is running inside a container.
 func IsRunningInContainer() bool {
-	return (*runningInContainer)
+	_, err := os.Stat("/.dockerenv")
+	return err == nil
 }