Golang util.Factory类代码示例

func addServiceAccount(c *k8sclient.Client, f *cmdutil.Factory, name string) (Result, error) {
	ns, _, e := f.DefaultNamespace()
	if e != nil {
		util.Fatal("No default namespace")
		return Failure, e
	}
	sas := c.ServiceAccounts(ns)
	_, err := sas.Get(name)
	if err != nil {
		sa := kapi.ServiceAccount{
			ObjectMeta: kapi.ObjectMeta{
				Name: name,
				Labels: map[string]string{
					"provider": "fabric8.io",
				},
			},
		}
		_, err = sas.Create(&sa)
	}
	r := Success
	if err != nil {
		r = Failure
	}
	return r, err
}

func NewCmdVolumes(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "volumes",
		Short: "Creates a persisent volume for any pending persistance volume claims",
		Long:  `Creates a persisent volume for any pending persistance volume claims`,
		PreRun: func(cmd *cobra.Command, args []string) {
			showBanner()
		},
		Run: func(cmd *cobra.Command, args []string) {
			c, _ := client.NewClient(f)
			ns, _, err := f.DefaultNamespace()
			if err != nil {
				util.Fatal("No default namespace")
			} else {

				found, pendingClaimNames := findPendingPVS(c, ns)
				if found {
					createPV(c, ns, pendingClaimNames, cmd)
				}
			}
		},
	}
	cmd.PersistentFlags().String(sshCommandFlag, "", "the ssh command to run commands inside the VM of the single node cluster")
	return cmd
}

func RunVersion(f cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
	v := fmt.Sprintf("%#v", version.Get())
	if cmdutil.GetFlagBool(cmd, "short") {
		v = version.Get().GitVersion
	}

	fmt.Fprintf(out, "Client Version: %s\n", v)
	if cmdutil.GetFlagBool(cmd, "client") {
		return nil
	}

	clientset, err := f.ClientSet()
	if err != nil {
		return err
	}

	serverVersion, err := clientset.Discovery().ServerVersion()
	if err != nil {
		return err
	}

	v = fmt.Sprintf("%#v", *serverVersion)
	if cmdutil.GetFlagBool(cmd, "short") {
		v = serverVersion.GitVersion
	}

	fmt.Fprintf(out, "Server Version: %s\n", v)
	return nil
}

func RunStop(f cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer, options *resource.FilenameOptions) error {
	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		ResourceTypeOrNameArgs(false, args...).
		FilenameParam(enforceNamespace, options).
		SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
		SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
		Flatten().
		Do()
	if r.Err() != nil {
		return r.Err()
	}
	shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
	gracePeriod := cmdutil.GetFlagInt(cmd, "grace-period")
	waitForDeletion := false
	if gracePeriod == 0 {
		// To preserve backwards compatibility, but prevent accidental data loss, we convert --grace-period=0
		// into --grace-period=1 and wait until the object is successfully deleted.
		gracePeriod = 1
		waitForDeletion = true
	}
	return ReapResult(r, f, out, false, cmdutil.GetFlagBool(cmd, "ignore-not-found"), cmdutil.GetFlagDuration(cmd, "timeout"), gracePeriod, waitForDeletion, shortOutput, mapper, false)
}

// popCluster fetches the cluster object with the given name, deletes
// it and returns the deleted cluster object.
func popCluster(f cmdutil.Factory, name string) (*federationapi.Cluster, error) {
	// Boilerplate to create the secret in the host cluster.
	mapper, typer := f.Object()
	gvks, _, err := typer.ObjectKinds(&federationapi.Cluster{})
	if err != nil {
		return nil, err
	}
	gvk := gvks[0]
	mapping, err := mapper.RESTMapping(schema.GroupKind{Group: gvk.Group, Kind: gvk.Kind}, gvk.Version)
	if err != nil {
		return nil, err
	}
	client, err := f.ClientForMapping(mapping)
	if err != nil {
		return nil, err
	}

	rh := resource.NewHelper(client, mapping)
	obj, err := rh.Get("", name, false)

	if isNotFound(err) {
		// Cluster isn't registered, there isn't anything to be done here.
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	cluster, ok := obj.(*federationapi.Cluster)
	if !ok {
		return nil, fmt.Errorf("unexpected object type: expected \"federation/v1beta1.Cluster\", got %T: obj: %#v", obj, obj)
	}

	// Remove the cluster resource in the federation API server by
	// calling rh.Delete()
	return cluster, rh.Delete("", name)
}

// deleteSecret deletes the secret with the given name from the host
// cluster.
func deleteSecret(hostFactory cmdutil.Factory, name, namespace string) error {
	clientset, err := hostFactory.ClientSet()
	if err != nil {
		return err
	}
	return clientset.Core().Secrets(namespace).Delete(name, &api.DeleteOptions{})
}

func NewCmdRoutes(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "routes",
		Short: "Creates any missing Routes for services",
		Long:  `Creates any missing Route resources for Services which need to be exposed remotely`,
		PreRun: func(cmd *cobra.Command, args []string) {
			showBanner()
		},
		Run: func(cmd *cobra.Command, args []string) {
			c, cfg := client.NewClient(f)
			oc, _ := client.NewOpenShiftClient(cfg)
			ns, _, err := f.DefaultNamespace()
			if err != nil {
				util.Fatal("No default namespace")
				printResult("Get default namespace", Failure, err)
			} else {
				util.Info("Creating a persistent volume for your ")
				util.Success(string(util.TypeOfMaster(c)))
				util.Info(" installation at ")
				util.Success(cfg.Host)
				util.Info(" in namespace ")
				util.Successf("%s\n\n", ns)

				domain := cmd.Flags().Lookup(domainFlag).Value.String()

				err := createRoutesForDomain(ns, domain, c, oc, f)
				printError("Create Routes", err)
			}
		},
	}
	cmd.PersistentFlags().StringP(domainFlag, "", defaultDomain(), "The domain to put the created routes inside")
	return cmd
}

func RunApiVersions(f *cmdutil.Factory, w io.Writer) error {
	if len(os.Args) > 1 && os.Args[1] == "apiversions" {
		printDeprecationWarning("api-versions", "apiversions")
	}

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

	apiVersions, err := client.ServerAPIVersions()
	if err != nil {
		fmt.Printf("Couldn't get available api versions from server: %v\n", err)
		os.Exit(1)
	}

	var expAPIVersions *unversioned.APIVersions
	expAPIVersions, err = client.Experimental().ServerAPIVersions()

	fmt.Fprintf(w, "Available Server Api Versions: %#v\n", *apiVersions)
	if err == nil {
		fmt.Fprintf(w, "Available Server Experimental Api Versions: %#v\n", *expAPIVersions)
	}

	return nil
}

func DescribeMatchingResources(mapper meta.RESTMapper, typer runtime.ObjectTyper, describer kubectl.Describer, f *cmdutil.Factory, namespace, rsrc, prefix string, out io.Writer, originalError error) error {
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		NamespaceParam(namespace).DefaultNamespace().
		ResourceTypeOrNameArgs(true, rsrc).
		SingleResourceType().
		Flatten().
		Do()
	infos, err := r.Infos()
	if err != nil {
		return err
	}
	isFound := false
	for ix := range infos {
		info := infos[ix]
		if strings.HasPrefix(info.Name, prefix) {
			isFound = true
			s, err := describer.Describe(info.Namespace, info.Name)
			if err != nil {
				return err
			}
			fmt.Fprintf(out, "%s\n", s)
		}
	}
	if !isFound {
		return originalError
	}
	return nil
}

// NewCmdGet creates a command object for the generic "get" action, which
// retrieves one or more resources from a server.
func NewCmdGet(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &GetOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "get [(-o|--output=)json|yaml|wide|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=...] (TYPE [NAME | -l label] | TYPE/NAME ...) [flags]",
		Short:   "Display one or many resources",
		Long:    get_long,
		Example: get_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := RunGet(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
	cmd.Flags().BoolP("watch", "w", false, "After listing/getting the requested object, watch for changes.")
	cmd.Flags().Bool("watch-only", false, "Watch for changes to the requested object(s), without listing/getting first.")
	cmd.Flags().Bool("all-namespaces", false, "If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.")
	cmd.Flags().StringSliceP("label-columns", "L", []string{}, "Accepts a comma separated list of labels that are going to be presented as columns. Names are case-sensitive. You can also use multiple flag statements like -L label1 -L label2...")
	cmd.Flags().Bool("export", false, "If true, use 'export' for the resources.  Exported resources are stripped of cluster-specific information.")
	usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	return cmd
}

// RunExplain executes the appropriate steps to print a model's documentation
func RunExplain(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	if len(args) != 1 {
		return cmdutil.UsageError(cmd, "We accept only this format: explain RESOURCE")
	}

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

	recursive := cmdutil.GetFlagBool(cmd, "recursive")
	apiV := cmdutil.GetFlagString(cmd, "api-version")

	swagSchema, err := kubectl.GetSwaggerSchema(apiV, client)
	if err != nil {
		return err
	}

	mapper, _ := f.Object()
	inModel, fieldsPath, err := kubectl.SplitAndParseResourceRequest(args[0], mapper)
	if err != nil {
		return err
	}

	return kubectl.PrintModelDescription(inModel, fieldsPath, out, swagSchema, recursive)
}

func ReapResult(r *resource.Result, f *cmdutil.Factory, out io.Writer, isDefaultDelete, ignoreNotFound bool, timeout time.Duration, gracePeriod int, shortOutput bool, mapper meta.RESTMapper) error {
	found := 0
	if ignoreNotFound {
		r = r.IgnoreErrors(errors.IsNotFound)
	}
	err := r.Visit(func(info *resource.Info) error {
		found++
		reaper, err := f.Reaper(info.Mapping)
		if err != nil {
			// If there is no reaper for this resources and the user didn't explicitly ask for stop.
			if kubectl.IsNoSuchReaperError(err) && isDefaultDelete {
				return deleteResource(info, out, shortOutput, mapper)
			}
			return cmdutil.AddSourceToErr("reaping", info.Source, err)
		}
		var options *api.DeleteOptions
		if gracePeriod >= 0 {
			options = api.NewDeleteOptions(int64(gracePeriod))
		}
		if _, err := reaper.Stop(info.Namespace, info.Name, timeout, options); err != nil {
			return cmdutil.AddSourceToErr("stopping", info.Source, err)
		}
		cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "deleted")
		return nil
	})
	if err != nil {
		return err
	}
	if found == 0 {
		fmt.Fprintf(out, "No resources found\n")
	}
	return nil
}

// Complete fills CreateBasicAuthSecretOptions fields with data and checks for mutual exclusivity
// between flags from different option groups.
func (o *CreateBasicAuthSecretOptions) Complete(f *kcmdutil.Factory, args []string) error {
	if len(args) != 1 {
		return errors.New("must have exactly one argument: secret name")
	}
	o.SecretName = args[0]

	if o.PromptForPassword {
		if len(o.Password) != 0 {
			return errors.New("must provide either --prompt or --password flag")
		}
		if !term.IsTerminal(o.Reader) {
			return errors.New("provided reader is not a terminal")
		}

		o.Password = cmdutil.PromptForPasswordString(o.Reader, o.Out, "Password: ")
		if len(o.Password) == 0 {
			return errors.New("password must be provided")
		}
	}

	if f != nil {
		client, err := f.Client()
		if err != nil {
			return err
		}
		namespace, _, err := f.DefaultNamespace()
		if err != nil {
			return err
		}
		o.SecretsInterface = client.Secrets(namespace)
	}

	return nil
}

func NewCmdVolume(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "volume",
		Short: "Creates a persisent volume for fabric8 apps needing persistent disk",
		Long:  `Creates a persisent volume so that the PersistentVolumeClaims in fabric8 apps can be satisfied when creating fabric8 apps`,
		PreRun: func(cmd *cobra.Command, args []string) {
			showBanner()
		},
		Run: func(cmd *cobra.Command, args []string) {
			c, cfg := client.NewClient(f)
			ns, _, err := f.DefaultNamespace()
			if err != nil {
				util.Fatal("No default namespace")
				printResult("Get default namespace", Failure, err)
			} else {
				util.Info("Creating a persistent volume for your ")
				util.Success(string(util.TypeOfMaster(c)))
				util.Info(" installation at ")
				util.Success(cfg.Host)
				util.Info(" in namespace ")
				util.Successf("%s\n\n", ns)

				r, err := createPersistentVolume(cmd, ns, c, f)
				printResult("Create PersistentVolume", r, err)
			}
		},
	}
	cmd.PersistentFlags().StringP(hostPathFlag, "", "", "Defines the host folder on which to define a persisent volume for single node setups")
	cmd.PersistentFlags().StringP(nameFlag, "", "fabric8", "The name of the PersistentVolume to create")
	return cmd
}

func NewCmdIngress(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "ingress",
		Short: "Creates any missing Ingress resources for services",
		Long:  `Creates any missing Ingress resources for Services which are of type LoadBalancer`,
		PreRun: func(cmd *cobra.Command, args []string) {
			showBanner()
		},
		Run: func(cmd *cobra.Command, args []string) {
			c, cfg := client.NewClient(f)
			ns, _, err := f.DefaultNamespace()
			if err != nil {
				util.Fatal("No default namespace")
				printResult("Get default namespace", Failure, err)
			} else {
				domain := cmd.Flags().Lookup(domainFlag).Value.String()

				util.Info("Setting up ingress on your ")
				util.Success(string(util.TypeOfMaster(c)))
				util.Info(" installation at ")
				util.Success(cfg.Host)
				util.Info(" in namespace ")
				util.Successf("%s at domain %s\n\n", ns, domain)
				err := createIngressForDomain(ns, domain, c, f)
				printError("Create Ingress", err)
			}
		},
	}
	cmd.PersistentFlags().StringP(domainFlag, "", defaultDomain(), "The domain to put the created routes inside")
	return cmd
}