Golang BuildLogs Examples

Example #1

File: startbuild.go Project: Tlacenka/origin

// RunStartBuild contains all the necessary functionality for the OpenShift cli start-build command
func RunStartBuild(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string, webhooks util.StringFlag) error {
	webhook := cmdutil.GetFlagString(cmd, "from-webhook")
	buildName := cmdutil.GetFlagString(cmd, "from-build")
	follow := cmdutil.GetFlagBool(cmd, "follow")

	switch {
	case len(webhook) > 0:
		if len(args) > 0 || len(buildName) > 0 {
			return cmdutil.UsageError(cmd, "The '--from-webhook' flag is incompatible with arguments or '--from-build'")
		}
		path := cmdutil.GetFlagString(cmd, "git-repository")
		postReceivePath := cmdutil.GetFlagString(cmd, "git-post-receive")
		repo := git.NewRepository()
		return RunStartBuildWebHook(f, out, webhook, path, postReceivePath, repo)
	case len(args) != 1 && len(buildName) == 0:
		return cmdutil.UsageError(cmd, "Must pass a name of a BuildConfig or specify build name with '--from-build' flag")
	}

	name := buildName
	isBuild := true
	if len(name) == 0 {
		name = args[0]
		isBuild = false
	}

	if webhooks.Provided() {
		return RunListBuildWebHooks(f, out, cmd.Out(), name, isBuild, webhooks.String())
	}

	client, _, err := f.Clients()
	if err != nil {
		return err
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	request := &buildapi.BuildRequest{
		ObjectMeta: kapi.ObjectMeta{Name: name},
	}
	var newBuild *buildapi.Build
	if isBuild {
		if newBuild, err = client.Builds(namespace).Clone(request); err != nil {
			return err
		}
	} else {
		if newBuild, err = client.BuildConfigs(namespace).Instantiate(request); err != nil {
			return err
		}
	}
	fmt.Fprintf(out, "%s\n", newBuild.Name)

	if follow {
		opts := buildapi.BuildLogOptions{
			Follow: true,
			NoWait: false,
		}
		rd, err := client.BuildLogs(namespace).Get(newBuild.Name, opts).Stream()
		if err != nil {
			return fmt.Errorf("error getting logs: %v", err)
		}
		defer rd.Close()
		_, err = io.Copy(out, rd)
		if err != nil {
			return fmt.Errorf("error streaming logs: %v", err)
		}
	}
	return nil
}

Example #2

File: startbuild.go Project: nitintutlani/origin

// RunStartBuild contains all the necessary functionality for the OpenShift cli start-build command
func RunStartBuild(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string, webhooks util.StringFlag) error {
	webhook := cmdutil.GetFlagString(cmd, "from-webhook")
	buildName := cmdutil.GetFlagString(cmd, "from-build")
	follow := cmdutil.GetFlagBool(cmd, "follow")
	commit := cmdutil.GetFlagString(cmd, "commit")
	waitForComplete := cmdutil.GetFlagBool(cmd, "wait")

	switch {
	case len(webhook) > 0:
		if len(args) > 0 || len(buildName) > 0 {
			return cmdutil.UsageError(cmd, "The '--from-webhook' flag is incompatible with arguments or '--from-build'")
		}
		path := cmdutil.GetFlagString(cmd, "git-repository")
		postReceivePath := cmdutil.GetFlagString(cmd, "git-post-receive")
		repo := git.NewRepository()
		return RunStartBuildWebHook(f, out, webhook, path, postReceivePath, repo)
	case len(args) != 1 && len(buildName) == 0:
		return cmdutil.UsageError(cmd, "Must pass a name of a BuildConfig or specify build name with '--from-build' flag")
	}

	name := buildName
	isBuild := true
	if len(name) == 0 {
		name = args[0]
		isBuild = false
	}

	if webhooks.Provided() {
		return RunListBuildWebHooks(f, out, cmd.Out(), name, isBuild, webhooks.String())
	}

	client, _, err := f.Clients()
	if err != nil {
		return err
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	request := &buildapi.BuildRequest{
		ObjectMeta: kapi.ObjectMeta{Name: name},
	}
	if len(commit) > 0 {
		request.Revision = &buildapi.SourceRevision{
			Type: buildapi.BuildSourceGit,
			Git: &buildapi.GitSourceRevision{
				Commit: commit,
			},
		}
	}
	var newBuild *buildapi.Build
	if isBuild {
		if newBuild, err = client.Builds(namespace).Clone(request); err != nil {
			return err
		}
	} else {
		if newBuild, err = client.BuildConfigs(namespace).Instantiate(request); err != nil {
			return err
		}
	}
	fmt.Fprintf(out, "%s\n", newBuild.Name)

	var (
		wg      sync.WaitGroup
		exitErr error
	)

	// Wait for the build to complete
	if waitForComplete {
		wg.Add(1)
		go func() {
			defer wg.Done()
			exitErr = WaitForBuildComplete(client.Builds(namespace), newBuild.Name)
		}()
	}

	// Stream the logs from the build
	if follow {
		wg.Add(1)
		go func() {
			defer wg.Done()
			opts := buildapi.BuildLogOptions{
				Follow: true,
				NoWait: false,
			}
			rd, err := client.BuildLogs(namespace).Get(newBuild.Name, opts).Stream()
			if err != nil {
				fmt.Fprintf(cmd.Out(), "error getting logs: %v\n", err)
				return
			}
			defer rd.Close()
			if _, err = io.Copy(out, rd); err != nil {
				fmt.Fprintf(cmd.Out(), "error streaming logs: %v\n", err)
			}
		}()
	}

	wg.Wait()

	return exitErr
}