Golang util.MakeAbs函数代码示例

// TODO should be moved upstream
func RelativizeClientConfigPaths(cfg *clientcmdapi.Config, base string) (err error) {
	for k, cluster := range cfg.Clusters {
		if len(cluster.CertificateAuthority) > 0 {
			if cluster.CertificateAuthority, err = util.MakeAbs(cluster.CertificateAuthority, ""); err != nil {
				return err
			}
			if cluster.CertificateAuthority, err = util.MakeRelative(cluster.CertificateAuthority, base); err != nil {
				return err
			}
			cfg.Clusters[k] = cluster
		}
	}
	for k, authInfo := range cfg.AuthInfos {
		if len(authInfo.ClientCertificate) > 0 {
			if authInfo.ClientCertificate, err = util.MakeAbs(authInfo.ClientCertificate, ""); err != nil {
				return err
			}
			if authInfo.ClientCertificate, err = util.MakeRelative(authInfo.ClientCertificate, base); err != nil {
				return err
			}
		}
		if len(authInfo.ClientKey) > 0 {
			if authInfo.ClientKey, err = util.MakeAbs(authInfo.ClientKey, ""); err != nil {
				return err
			}
			if authInfo.ClientKey, err = util.MakeRelative(authInfo.ClientKey, base); err != nil {
				return err
			}
		}
		cfg.AuthInfos[k] = authInfo
	}
	return nil
}

// Save all the information present in this helper to a config file. An explicit config
// file path can be provided, if not use the established conventions about config
// loading rules. Will create a new config file if one can't be found at all. Will only
// succeed if all required info is present.
func (o *LoginOptions) SaveConfig() (bool, error) {
	if len(o.Username) == 0 {
		return false, fmt.Errorf("Insufficient data to merge configuration.")
	}

	globalExistedBefore := true
	if _, err := os.Stat(o.PathOptions.GlobalFile); os.IsNotExist(err) {
		globalExistedBefore = false
	}

	newConfig, err := config.CreateConfig(o.Project, o.Config)
	if err != nil {
		return false, err
	}

	cwd, err := os.Getwd()
	if err != nil {
		return false, err
	}
	baseDir, err := cmdutil.MakeAbs(filepath.Dir(o.PathOptions.GetDefaultFilename()), cwd)
	if err != nil {
		return false, err
	}
	if err := config.RelativizeClientConfigPaths(newConfig, baseDir); err != nil {
		return false, err
	}

	configToWrite, err := config.MergeConfig(*o.StartingKubeConfig, *newConfig)
	if err != nil {
		return false, err
	}

	if err := kclientcmd.ModifyConfig(o.PathOptions, *configToWrite, true); err != nil {
		if !os.IsPermission(err) {
			return false, err
		}

		out := &bytes.Buffer{}
		cmderr.PrintError(errors.ErrKubeConfigNotWriteable(o.PathOptions.GetDefaultFilename(), o.PathOptions.IsExplicitFile(), err), out)
		return false, fmt.Errorf("%v", out)
	}

	created := false
	if _, err := os.Stat(o.PathOptions.GlobalFile); err == nil {
		created = created || !globalExistedBefore
	}

	return created, nil
}

// Save all the information present in this helper to a config file. An explicit config
// file path can be provided, if not use the established conventions about config
// loading rules. Will create a new config file if one can't be found at all. Will only
// succeed if all required info is present.
func (o *LoginOptions) SaveConfig() (bool, error) {
	if len(o.Username) == 0 {
		return false, fmt.Errorf("Insufficient data to merge configuration.")
	}

	globalExistedBefore := true
	if _, err := os.Stat(o.PathOptions.GlobalFile); os.IsNotExist(err) {
		globalExistedBefore = false
	}

	newConfig, err := config.CreateConfig(o.Project, o.Config)
	if err != nil {
		return false, err
	}

	cwd, err := os.Getwd()
	if err != nil {
		return false, err
	}
	baseDir, err := cmdutil.MakeAbs(filepath.Dir(o.PathOptions.GetDefaultFilename()), cwd)
	if err != nil {
		return false, err
	}
	if err := config.RelativizeClientConfigPaths(newConfig, baseDir); err != nil {
		return false, err
	}

	configToWrite, err := config.MergeConfig(*o.StartingKubeConfig, *newConfig)
	if err != nil {
		return false, err
	}

	if err := kubecmdconfig.ModifyConfig(o.PathOptions, *configToWrite); err != nil {
		return false, err
	}

	created := false
	if _, err := os.Stat(o.PathOptions.GlobalFile); err == nil {
		created = created || !globalExistedBefore
	}

	return created, nil
}

// RunMaster takes the options and:
// 1.  Creates certs if needed
// 2.  Reads fully specified master config OR builds a fully specified master config from the args
// 3.  Writes the fully specified master config and exits if needed
// 4.  Starts the master based on the fully specified config
func (o MasterOptions) RunMaster() error {
	startUsingConfigFile := !o.IsWriteConfigOnly() && o.IsRunFromConfig()

	if !startUsingConfigFile && o.CreateCertificates {
		glog.V(2).Infof("Generating master configuration")
		if err := o.CreateCerts(); err != nil {
			return err
		}
		if err := o.CreateBootstrapPolicy(); err != nil {
			return err
		}
	}

	var masterConfig *configapi.MasterConfig
	var err error
	if startUsingConfigFile {
		masterConfig, err = configapilatest.ReadAndResolveMasterConfig(o.ConfigFile)
	} else {
		masterConfig, err = o.MasterArgs.BuildSerializeableMasterConfig()
	}
	if err != nil {
		return err
	}

	if o.IsWriteConfigOnly() {
		// Resolve relative to CWD
		cwd, err := os.Getwd()
		if err != nil {
			return err
		}
		if err := configapi.ResolveMasterConfigPaths(masterConfig, cwd); err != nil {
			return err
		}

		// Relativize to config file dir
		base, err := cmdutil.MakeAbs(filepath.Dir(o.MasterArgs.GetConfigFileToWrite()), cwd)
		if err != nil {
			return err
		}
		if err := configapi.RelativizeMasterConfigPaths(masterConfig, base); err != nil {
			return err
		}

		content, err := configapilatest.WriteYAML(masterConfig)
		if err != nil {

			return err
		}

		if err := os.MkdirAll(path.Dir(o.MasterArgs.GetConfigFileToWrite()), os.FileMode(0755)); err != nil {
			return err
		}
		if err := ioutil.WriteFile(o.MasterArgs.GetConfigFileToWrite(), content, 0644); err != nil {
			return err
		}

		fmt.Fprintf(o.Output, "Wrote master config to: %s\n", o.MasterArgs.GetConfigFileToWrite())

		return nil
	}

	if o.MasterArgs.OverrideConfig != nil {
		if err := o.MasterArgs.OverrideConfig(masterConfig); err != nil {
			return err
		}
	}

	// Inject disabled feature flags based on distribution being used and
	// regardless of configuration. They aren't written to config file to
	// prevent upgrade path issues.
	masterConfig.DisabledFeatures.Add(o.DisabledFeatures...)
	validationResults := validation.ValidateMasterConfig(masterConfig, nil)
	if len(validationResults.Warnings) != 0 {
		for _, warning := range validationResults.Warnings {
			glog.Warningf("%v", warning)
		}
	}
	if len(validationResults.Errors) != 0 {
		return kerrors.NewInvalid(configapi.Kind("MasterConfig"), o.ConfigFile, validationResults.Errors)
	}

	if !o.MasterArgs.StartControllers {
		masterConfig.Controllers = configapi.ControllersDisabled
	}

	m := &Master{
		config:      masterConfig,
		api:         o.MasterArgs.StartAPI,
		controllers: o.MasterArgs.StartControllers,
	}
	return m.Start()
}

func (o CreateNodeConfigOptions) MakeNodeConfig(serverCertFile, serverKeyFile, nodeClientCAFile, kubeConfigFile, nodeConfigFile string) error {
	config := &configapi.NodeConfig{
		NodeName: o.NodeName,

		ServingInfo: configapi.ServingInfo{
			BindAddress: net.JoinHostPort(o.ListenAddr.Host, strconv.Itoa(ports.KubeletPort)),
		},

		VolumeDirectory:     o.VolumeDir,
		AllowDisabledDocker: o.AllowDisabledDocker,

		ImageConfig: configapi.ImageConfig{
			Format: o.ImageTemplate.Format,
			Latest: o.ImageTemplate.Latest,
		},

		DNSDomain: o.DNSDomain,
		DNSIP:     o.DNSIP,

		MasterKubeConfig: kubeConfigFile,

		NetworkConfig: configapi.NodeNetworkConfig{
			NetworkPluginName: o.NetworkPluginName,
		},
	}

	if o.UseTLS() {
		config.ServingInfo.ServerCert = configapi.CertInfo{
			CertFile: serverCertFile,
			KeyFile:  serverKeyFile,
		}
		config.ServingInfo.ClientCA = nodeClientCAFile
	}

	// Resolve relative to CWD
	cwd, err := os.Getwd()
	if err != nil {
		return err
	}
	if err := configapi.ResolveNodeConfigPaths(config, cwd); err != nil {
		return err
	}

	// Relativize to config file dir
	base, err := cmdutil.MakeAbs(o.NodeConfigDir, cwd)
	if err != nil {
		return err
	}
	if err := configapi.RelativizeNodeConfigPaths(config, base); err != nil {
		return err
	}

	// Roundtrip the config to v1 and back to ensure proper defaults are set.
	ext, err := configapi.Scheme.ConvertToVersion(config, latestconfigapi.Version)
	if err != nil {
		return err
	}
	internal, err := configapi.Scheme.ConvertToVersion(ext, configapi.SchemeGroupVersion)
	if err != nil {
		return err
	}

	content, err := latestconfigapi.WriteYAML(internal)
	if err != nil {
		return err
	}
	if err := ioutil.WriteFile(nodeConfigFile, content, 0644); err != nil {
		return err
	}

	return nil
}

// RunMaster takes the options and:
// 1.  Creates certs if needed
// 2.  Reads fully specified master config OR builds a fully specified master config from the args
// 3.  Writes the fully specified master config and exits if needed
// 4.  Starts the master based on the fully specified config
func (o MasterOptions) RunMaster() error {
	startUsingConfigFile := !o.IsWriteConfigOnly() && o.IsRunFromConfig()

	if !startUsingConfigFile && o.CreateCertificates {
		glog.V(2).Infof("Generating master configuration")
		if err := o.CreateCerts(); err != nil {
			return err
		}
		if err := o.CreateBootstrapPolicy(); err != nil {
			return err
		}
	}

	var masterConfig *configapi.MasterConfig
	var err error
	if startUsingConfigFile {
		masterConfig, err = configapilatest.ReadAndResolveMasterConfig(o.ConfigFile)
	} else {
		masterConfig, err = o.MasterArgs.BuildSerializeableMasterConfig()
	}
	if err != nil {
		return err
	}

	if o.IsWriteConfigOnly() {
		// Resolve relative to CWD
		cwd, err := os.Getwd()
		if err != nil {
			return err
		}
		if err := configapi.ResolveMasterConfigPaths(masterConfig, cwd); err != nil {
			return err
		}

		// Relativize to config file dir
		base, err := cmdutil.MakeAbs(filepath.Dir(o.MasterArgs.GetConfigFileToWrite()), cwd)
		if err != nil {
			return err
		}
		if err := configapi.RelativizeMasterConfigPaths(masterConfig, base); err != nil {
			return err
		}

		content, err := configapilatest.WriteYAML(masterConfig)
		if err != nil {
			return err
		}

		if err := os.MkdirAll(path.Dir(o.MasterArgs.GetConfigFileToWrite()), os.FileMode(0755)); err != nil {
			return err
		}
		if err := ioutil.WriteFile(o.MasterArgs.GetConfigFileToWrite(), content, 0644); err != nil {
			return err
		}

		fmt.Fprintf(o.Output, "Wrote master config to: %s\n", o.MasterArgs.GetConfigFileToWrite())

		return nil
	}

	validationResults := validation.ValidateMasterConfig(masterConfig)
	if len(validationResults.Warnings) != 0 {
		for _, warning := range validationResults.Warnings {
			glog.Warningf("%v", warning)
		}
	}
	if len(validationResults.Errors) != 0 {
		return kerrors.NewInvalid("MasterConfig", o.ConfigFile, validationResults.Errors)
	}

	if err := StartMaster(masterConfig); err != nil {
		return err
	}

	return nil
}