Golang hyperkube.Interface類代碼示例

本文整理匯總了Golang中github.com/GoogleCloudPlatform/kubernetes/contrib/mesos/pkg/hyperkube.Interface類的典型用法代碼示例。如果您正苦於以下問題：Golang Interface類的具體用法？Golang Interface怎麽用？Golang Interface使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。

在下文中一共展示了Interface類的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: failover

func (s *SchedulerServer) failover(driver bindings.SchedulerDriver, hks hyperkube.Interface) error {
	if driver != nil {
		stat, err := driver.Stop(true)
		if stat != mesos.Status_DRIVER_STOPPED {
			return fmt.Errorf("failed to stop driver for failover, received unexpected status code: %v", stat)
		} else if err != nil {
			return err
		}
	}

	// there's no guarantee that all goroutines are actually programmed intelligently with 'done'
	// signals, so we'll need to restart if we want to really stop everything

	// run the same command that we were launched with
	//TODO(jdef) assumption here is that the sheduler is the only service running in this process, we should probably validate that somehow
	args := []string{}
	flags := pflag.CommandLine
	if hks != nil {
		args = append(args, hks.Name())
		flags = hks.Flags()
	}
	flags.Visit(func(flag *pflag.Flag) {
		if flag.Name != "api-servers" && flag.Name != "etcd-servers" {
			args = append(args, fmt.Sprintf("--%s=%s", flag.Name, flag.Value.String()))
		}
	})
	if !s.Graceful {
		args = append(args, "--graceful")
	}
	if len(s.APIServerList) > 0 {
		args = append(args, "--api-servers="+strings.Join(s.APIServerList, ","))
	}
	if len(s.EtcdServerList) > 0 {
		args = append(args, "--etcd-servers="+strings.Join(s.EtcdServerList, ","))
	}
	args = append(args, flags.Args()...)

	log.V(1).Infof("spawning scheduler for graceful failover: %s %+v", s.executable, args)

	cmd := exec.Command(s.executable, args...)
	cmd.Stdin = os.Stdin
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	cmd.SysProcAttr = makeDisownedProcAttr()

	// TODO(jdef) pass in a pipe FD so that we can block, waiting for the child proc to be ready
	//cmd.ExtraFiles = []*os.File{}

	exitcode := 0
	log.Flush() // TODO(jdef) it would be really nice to ensure that no one else in our process was still logging
	if err := cmd.Start(); err != nil {
		//log to stdtout here to avoid conflicts with normal stderr logging
		fmt.Fprintf(os.Stdout, "failed to spawn failover process: %v\n", err)
		os.Exit(1)
	}
	os.Exit(exitcode)
	select {} // will never reach here
}

開發者ID:chenzhen411，項目名稱:kubernetes，代碼行數:58，代碼來源:service.go

示例2: prepareExecutorInfo

func (s *SchedulerServer) prepareExecutorInfo(hks hyperkube.Interface) (*mesos.ExecutorInfo, *uid.UID, error) {
	ci := &mesos.CommandInfo{
		Shell: proto.Bool(false),
	}

	//TODO(jdef) these should be shared constants with km
	const (
		KM_EXECUTOR = "executor"
		KM_PROXY    = "proxy"
	)

	if s.ExecutorPath != "" {
		uri, executorCmd := s.serveFrameworkArtifact(s.ExecutorPath)
		ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
		ci.Value = proto.String(fmt.Sprintf("./%s", executorCmd))
	} else if !hks.FindServer(KM_EXECUTOR) {
		return nil, nil, fmt.Errorf("either run this scheduler via km or else --executor-path is required")
	} else {
		if strings.Index(s.KMPath, "://") > 0 {
			// URI could point directly to executable, e.g. hdfs:///km
			// or else indirectly, e.g. http://acmestorage/tarball.tgz
			// so we assume that for this case the command will always "km"
			ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(s.KMPath), Executable: proto.Bool(true)})
			ci.Value = proto.String("./km") // TODO(jdef) extract constant
		} else if s.KMPath != "" {
			uri, kmCmd := s.serveFrameworkArtifact(s.KMPath)
			ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
			ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
		} else {
			uri, kmCmd := s.serveFrameworkArtifact(s.executable)
			ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
			ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
		}
		ci.Arguments = append(ci.Arguments, KM_EXECUTOR)
	}

	if s.ProxyPath != "" {
		uri, proxyCmd := s.serveFrameworkArtifact(s.ProxyPath)
		ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-exec=./%s", proxyCmd))
	} else if !hks.FindServer(KM_PROXY) {
		return nil, nil, fmt.Errorf("either run this scheduler via km or else --proxy-path is required")
	} else if s.ExecutorPath != "" {
		return nil, nil, fmt.Errorf("proxy can only use km binary if executor does the same")
	} // else, executor is smart enough to know when proxy-path is required, or to use km

	//TODO(jdef): provide some way (env var?) for users to customize executor config
	//TODO(jdef): set -address to 127.0.0.1 if `address` is 127.0.0.1
	//TODO(jdef): propagate dockercfg from RootDirectory?

	apiServerArgs := strings.Join(s.APIServerList, ",")
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--api-servers=%s", apiServerArgs))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--v=%d", s.ExecutorLogV))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--allow-privileged=%t", s.AllowPrivileged))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--suicide-timeout=%v", s.ExecutorSuicideTimeout))

	if s.ExecutorBindall {
		//TODO(jdef) determine whether hostname-override is really needed for bindall because
		//it conflicts with kubelet node status checks/updates
		//ci.Arguments = append(ci.Arguments, "--hostname-override=0.0.0.0")
		ci.Arguments = append(ci.Arguments, "--address=0.0.0.0")
	}

	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-bindall=%v", s.ExecutorProxyBindall))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--run-proxy=%v", s.ExecutorRunProxy))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--cadvisor-port=%v", s.KubeletCadvisorPort))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--sync-frequency=%v", s.KubeletSyncFrequency))

	if s.AuthPath != "" {
		//TODO(jdef) should probably support non-local files, e.g. hdfs:///some/config/file
		uri, basename := s.serveFrameworkArtifact(s.AuthPath)
		ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri)})
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--auth-path=%s", basename))
	}
	appendOptional := func(name string, value string) {
		if value != "" {
			ci.Arguments = append(ci.Arguments, fmt.Sprintf("--%s=%s", name, value))
		}
	}
	if s.ClusterDNS != nil {
		appendOptional("cluster-dns", s.ClusterDNS.String())
	}
	appendOptional("cluster-domain", s.ClusterDomain)
	appendOptional("root-dir", s.KubeletRootDirectory)
	appendOptional("docker-endpoint", s.KubeletDockerEndpoint)
	appendOptional("pod-infra-container-image", s.KubeletPodInfraContainerImage)
	appendOptional("host-network-sources", s.KubeletHostNetworkSources)
	appendOptional("network-plugin", s.KubeletNetworkPluginName)

	log.V(1).Infof("prepared executor command %q with args '%+v'", ci.GetValue(), ci.Arguments)

	// Create mesos scheduler driver.
	info := &mesos.ExecutorInfo{
		Command: ci,
		Name:    proto.String(execcfg.DefaultInfoName),
		Source:  proto.String(execcfg.DefaultInfoSource),
	}

	// Check for staticPods
	if s.StaticPodsConfigPath != "" {
//.........這裏部分代碼省略.........

開發者ID:chenzhen411，項目名稱:kubernetes，代碼行數:101，代碼來源:service.go

示例3: prepareExecutorInfo

func (s *SchedulerServer) prepareExecutorInfo(hks hyperkube.Interface) (*mesos.ExecutorInfo, *uid.UID, error) {
	ci := &mesos.CommandInfo{
		Shell: proto.Bool(false),
	}

	if s.ExecutorPath != "" {
		uri, executorCmd := s.serveFrameworkArtifact(s.ExecutorPath)
		ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
		ci.Value = proto.String(fmt.Sprintf("./%s", executorCmd))
	} else if !hks.FindServer(hyperkube.CommandMinion) {
		return nil, nil, fmt.Errorf("either run this scheduler via km or else --executor-path is required")
	} else {
		if strings.Index(s.KMPath, "://") > 0 {
			// URI could point directly to executable, e.g. hdfs:///km
			// or else indirectly, e.g. http://acmestorage/tarball.tgz
			// so we assume that for this case the command will always "km"
			ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(s.KMPath), Executable: proto.Bool(true)})
			ci.Value = proto.String("./km") // TODO(jdef) extract constant
		} else if s.KMPath != "" {
			uri, kmCmd := s.serveFrameworkArtifact(s.KMPath)
			ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
			ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
		} else {
			uri, kmCmd := s.serveFrameworkArtifact(s.executable)
			ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri), Executable: proto.Bool(true)})
			ci.Value = proto.String(fmt.Sprintf("./%s", kmCmd))
		}
		ci.Arguments = append(ci.Arguments, hyperkube.CommandMinion)

		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--run-proxy=%v", s.RunProxy))
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-bindall=%v", s.ProxyBindall))
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--proxy-logv=%d", s.ProxyLogV))

		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-size=%v", s.MinionLogMaxSize.String()))
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-backups=%d", s.MinionLogMaxBackups))
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--max-log-age=%d", s.MinionLogMaxAgeInDays))
	}

	//TODO(jdef): provide some way (env var?) for users to customize executor config
	//TODO(jdef): set -address to 127.0.0.1 if `address` is 127.0.0.1
	//TODO(jdef): propagate dockercfg from RootDirectory?

	apiServerArgs := strings.Join(s.APIServerList, ",")
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--api-servers=%s", apiServerArgs))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--v=%d", s.ExecutorLogV)) // this also applies to the minion
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--allow-privileged=%t", s.AllowPrivileged))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--suicide-timeout=%v", s.ExecutorSuicideTimeout))

	if s.ExecutorBindall {
		//TODO(jdef) determine whether hostname-override is really needed for bindall because
		//it conflicts with kubelet node status checks/updates
		//ci.Arguments = append(ci.Arguments, "--hostname-override=0.0.0.0")
		ci.Arguments = append(ci.Arguments, "--address=0.0.0.0")
	}

	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--cgroup-prefix=%v", s.ExecutorCgroupPrefix))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--cadvisor-port=%v", s.KubeletCadvisorPort))
	ci.Arguments = append(ci.Arguments, fmt.Sprintf("--sync-frequency=%v", s.KubeletSyncFrequency))

	if s.AuthPath != "" {
		//TODO(jdef) should probably support non-local files, e.g. hdfs:///some/config/file
		uri, basename := s.serveFrameworkArtifact(s.AuthPath)
		ci.Uris = append(ci.Uris, &mesos.CommandInfo_URI{Value: proto.String(uri)})
		ci.Arguments = append(ci.Arguments, fmt.Sprintf("--auth-path=%s", basename))
	}
	appendOptional := func(name string, value string) {
		if value != "" {
			ci.Arguments = append(ci.Arguments, fmt.Sprintf("--%s=%s", name, value))
		}
	}
	if s.ClusterDNS != nil {
		appendOptional("cluster-dns", s.ClusterDNS.String())
	}
	appendOptional("cluster-domain", s.ClusterDomain)
	appendOptional("root-dir", s.KubeletRootDirectory)
	appendOptional("docker-endpoint", s.KubeletDockerEndpoint)
	appendOptional("pod-infra-container-image", s.KubeletPodInfraContainerImage)
	appendOptional("host-network-sources", s.KubeletHostNetworkSources)
	appendOptional("network-plugin", s.KubeletNetworkPluginName)

	log.V(1).Infof("prepared executor command %q with args '%+v'", ci.GetValue(), ci.Arguments)

	// Create mesos scheduler driver.
	execInfo := &mesos.ExecutorInfo{
		Command: ci,
		Name:    proto.String(execcfg.DefaultInfoName),
		Source:  proto.String(execcfg.DefaultInfoSource),
	}

	// Check for staticPods
	var staticPodCPUs, staticPodMem float64
	if s.StaticPodsConfigPath != "" {
		bs, paths, err := archive.ZipDir(s.StaticPodsConfigPath)
		if err != nil {
			return nil, nil, err
		}

		// try to read pod files and sum resources
		// TODO(sttts): don't terminate when static pods are broken, but skip them
		// TODO(sttts): add a directory watch and tell running executors about updates
//.........這裏部分代碼省略.........

開發者ID:Ima8，項目名稱:kubernetes，代碼行數:101，代碼來源:service.go

注：本文中的github.com/GoogleCloudPlatform/kubernetes/contrib/mesos/pkg/hyperkube.Interface類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。