Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/test/e2e_node/services/services.go

@@ -0,0 +1,195 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package services
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path"
+
+	"github.com/golang/glog"
+	"github.com/kardianos/osext"
+
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+	"k8s.io/kubernetes/test/e2e/framework"
+)
+
+// E2EServices starts and stops e2e services in a separate process. The test
+// uses it to start and stop all e2e services.
+type E2EServices struct {
+	// monitorParent determines whether the sub-processes should watch and die with the current
+	// process.
+	rmDirs        []string
+	monitorParent bool
+	services      *server
+	kubelet       *server
+	logs          logFiles
+}
+
+// NewE2EServices returns a new E2EServices instance.
+func NewE2EServices(monitorParent bool) *E2EServices {
+	return &E2EServices{
+		monitorParent: monitorParent,
+		// Special log files that need to be collected for additional debugging.
+		logs: getLogFiles(),
+	}
+}
+
+// Start starts the e2e services in another process by calling back into the
+// test binary.  Returns when all e2e services are ready or an error.
+//
+// We want to statically link e2e services into the test binary, but we don't
+// want their glog output to pollute the test result. So we run the binary in
+// run-services-mode to start e2e services in another process.
+// The function starts 2 processes:
+// * internal e2e services: services which statically linked in the test binary - apiserver, etcd and
+// namespace controller.
+// * kubelet: kubelet binary is outside. (We plan to move main kubelet start logic out when we have
+// standard kubelet launcher)
+func (e *E2EServices) Start() error {
+	var err error
+	if !framework.TestContext.NodeConformance {
+		// Start kubelet
+		e.kubelet, err = e.startKubelet()
+		if err != nil {
+			return fmt.Errorf("failed to start kubelet: %v", err)
+		}
+	}
+	e.services, err = e.startInternalServices()
+	return err
+}
+
+// Stop stops the e2e services.
+func (e *E2EServices) Stop() {
+	defer func() {
+		if !framework.TestContext.NodeConformance {
+			// Collect log files.
+			e.collectLogFiles()
+		}
+	}()
+	if e.services != nil {
+		if err := e.services.kill(); err != nil {
+			glog.Errorf("Failed to stop services: %v", err)
+		}
+	}
+	if e.kubelet != nil {
+		if err := e.kubelet.kill(); err != nil {
+			glog.Errorf("Failed to stop kubelet: %v", err)
+		}
+	}
+	if e.rmDirs != nil {
+		for _, d := range e.rmDirs {
+			err := os.RemoveAll(d)
+			if err != nil {
+				glog.Errorf("Failed to delete directory %s: %v", d, err)
+			}
+		}
+	}
+}
+
+// RunE2EServices actually start the e2e services. This function is used to
+// start e2e services in current process. This is only used in run-services-mode.
+func RunE2EServices() {
+	// Populate global DefaultFeatureGate with value from TestContext.FeatureGates.
+	// This way, statically-linked components see the same feature gate config as the test context.
+	utilfeature.DefaultFeatureGate.SetFromMap(framework.TestContext.FeatureGates)
+	e := newE2EServices()
+	if err := e.run(); err != nil {
+		glog.Fatalf("Failed to run e2e services: %v", err)
+	}
+}
+
+const (
+	// services.log is the combined log of all services
+	servicesLogFile = "services.log"
+	// LOG_VERBOSITY_LEVEL is consistent with the level used in a cluster e2e test.
+	LOG_VERBOSITY_LEVEL = "4"
+)
+
+// startInternalServices starts the internal services in a separate process.
+func (e *E2EServices) startInternalServices() (*server, error) {
+	testBin, err := osext.Executable()
+	if err != nil {
+		return nil, fmt.Errorf("can't get current binary: %v", err)
+	}
+	// Pass all flags into the child process, so that it will see the same flag set.
+	startCmd := exec.Command(testBin, append([]string{"--run-services-mode"}, os.Args[1:]...)...)
+	server := newServer("services", startCmd, nil, nil, getServicesHealthCheckURLs(), servicesLogFile, e.monitorParent, false)
+	return server, server.start()
+}
+
+// collectLogFiles collects logs of interest either via journalctl or by creating sym
+// links. Since we scp files from the remote directory, symlinks will be
+// treated as normal files and file contents will be copied over.
+func (e *E2EServices) collectLogFiles() {
+	// Nothing to do if report dir is not specified.
+	if framework.TestContext.ReportDir == "" {
+		return
+	}
+	glog.Info("Fetching log files...")
+	journaldFound := isJournaldAvailable()
+	for targetFileName, log := range e.logs {
+		targetLink := path.Join(framework.TestContext.ReportDir, targetFileName)
+		if journaldFound {
+			// Skip log files that do not have an equivalent in journald-based machines.
+			if len(log.JournalctlCommand) == 0 {
+				continue
+			}
+			glog.Infof("Get log file %q with journalctl command %v.", targetFileName, log.JournalctlCommand)
+			out, err := exec.Command("journalctl", log.JournalctlCommand...).CombinedOutput()
+			if err != nil {
+				glog.Errorf("failed to get %q from journald: %v, %v", targetFileName, string(out), err)
+			} else {
+				if err = ioutil.WriteFile(targetLink, out, 0644); err != nil {
+					glog.Errorf("failed to write logs to %q: %v", targetLink, err)
+				}
+			}
+			continue
+		}
+		for _, file := range log.Files {
+			if _, err := os.Stat(file); err != nil {
+				// Expected file not found on this distro.
+				continue
+			}
+			if err := copyLogFile(file, targetLink); err != nil {
+				glog.Error(err)
+			} else {
+				break
+			}
+		}
+	}
+}
+
+// isJournaldAvailable returns whether the system executing the tests uses
+// journald.
+func isJournaldAvailable() bool {
+	_, err := exec.LookPath("journalctl")
+	return err == nil
+}
+
+func copyLogFile(src, target string) error {
+	// If not a journald based distro, then just symlink files.
+	if out, err := exec.Command("cp", src, target).CombinedOutput(); err != nil {
+		return fmt.Errorf("failed to copy %q to %q: %v, %v", src, target, out, err)
+	}
+	if out, err := exec.Command("chmod", "a+r", target).CombinedOutput(); err != nil {
+		return fmt.Errorf("failed to make log file %q world readable: %v, %v", target, out, err)
+	}
+	return nil
+}