func CreateRoleBinding(f cmdutil.Factory, cmdOut io.Writer, cmd *cobra.Command, args []string) error { name, err := NameFromCommandArgs(cmd, args) if err != nil { return err } var generator kubectl.StructuredGenerator switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName { case cmdutil.RoleBindingV1GeneratorName: generator = &kubectl.RoleBindingGeneratorV1{ Name: name, ClusterRole: cmdutil.GetFlagString(cmd, "clusterrole"), Role: cmdutil.GetFlagString(cmd, "role"), Users: cmdutil.GetFlagStringSlice(cmd, "user"), Groups: cmdutil.GetFlagStringSlice(cmd, "group"), ServiceAccounts: cmdutil.GetFlagStringSlice(cmd, "serviceaccount"), } default: return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not supported.", generatorName)) } return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{ Name: name, StructuredGenerator: generator, DryRun: cmdutil.GetDryRunFlag(cmd), OutputFormat: cmdutil.GetFlagString(cmd, "output"), }) }
func NewCmdAnnotate(f *cmdutil.Factory, out io.Writer) *cobra.Command { options := &AnnotateOptions{} cmd := &cobra.Command{ Use: "annotate [--overwrite] (-f FILENAME | TYPE NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--resource-version=version]", Short: "Update the annotations on a resource", Long: annotate_long, Example: annotate_example, Run: func(cmd *cobra.Command, args []string) { options.filenames = cmdutil.GetFlagStringSlice(cmd, "filename") if err := options.Complete(f, args, out); err != nil { cmdutil.CheckErr(err) } if err := options.Validate(args); err != nil { cmdutil.CheckErr(cmdutil.UsageError(cmd, err.Error())) } if err := options.RunAnnotate(); err != nil { cmdutil.CheckErr(err) } }, } cmdutil.AddPrinterFlags(cmd) cmd.Flags().BoolVar(&options.overwrite, "overwrite", false, "If true, allow annotations to be overwritten, otherwise reject annotation updates that overwrite existing annotations.") cmd.Flags().BoolVar(&options.all, "all", false, "select all resources in the namespace of the specified resource types") cmd.Flags().StringVar(&options.resourceVersion, "resource-version", "", "If non-empty, the annotation update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.") usage := "Filename, directory, or URL to a file identifying the resource to update the annotation" kubectl.AddJsonFilenameFlag(cmd, usage) return cmd }
// CreateServiceNodePort is the implementation of the create secret docker-registry command func CreateServiceNodePort(f *cmdutil.Factory, cmdOut io.Writer, cmd *cobra.Command, args []string) error { name, err := NameFromCommandArgs(cmd, args) if err != nil { return err } var generator kubectl.StructuredGenerator switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName { case cmdutil.ServiceNodePortGeneratorV1Name: generator = &kubectl.ServiceCommonGeneratorV1{ Name: name, TCP: cmdutil.GetFlagStringSlice(cmd, "tcp"), Type: api.ServiceTypeNodePort, ClusterIP: "", NodePort: cmdutil.GetFlagInt(cmd, "node-port"), } default: return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not supported.", generatorName)) } return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{ Name: name, StructuredGenerator: generator, DryRun: cmdutil.GetDryRunFlag(cmd), OutputFormat: cmdutil.GetFlagString(cmd, "output"), }) }
func validateArguments(cmd *cobra.Command, args []string) (deploymentKey, filename, image, oldName string, err error) { deploymentKey = cmdutil.GetFlagString(cmd, "deployment-label-key") image = cmdutil.GetFlagString(cmd, "image") filenames := cmdutil.GetFlagStringSlice(cmd, "filename") filename = "" if len(deploymentKey) == 0 { return "", "", "", "", cmdutil.UsageError(cmd, "--deployment-label-key can not be empty") } if len(filenames) > 1 { return "", "", "", "", cmdutil.UsageError(cmd, "May only specificy a single filename for new controller") } if len(filenames) > 0 { filename = filenames[0] } if len(filenames) == 0 && len(image) == 0 { return "", "", "", "", cmdutil.UsageError(cmd, "Must specify --filename or --image for new controller") } if len(filenames) != 0 && len(image) != 0 { return "", "", "", "", cmdutil.UsageError(cmd, "--filename and --image can not both be specified") } if len(args) < 1 { return "", "", "", "", cmdutil.UsageError(cmd, "Must specify the controller to update") } return deploymentKey, filename, image, args[0], nil }
func (o *CreateClusterQuotaOptions) Complete(cmd *cobra.Command, f *clientcmd.Factory, args []string) error { if len(args) != 1 { return fmt.Errorf("NAME is required: %v", args) } var labelSelector *unversioned.LabelSelector labelSelectorString := cmdutil.GetFlagString(cmd, "project-label-selector") if len(labelSelectorString) > 0 { var err error labelSelector, err = unversioned.ParseToLabelSelector(labelSelectorString) if err != nil { return err } } annotationSelector, err := parseAnnotationSelector(cmdutil.GetFlagString(cmd, "project-annotation-selector")) if err != nil { return err } o.ClusterQuota = "aapi.ClusterResourceQuota{ ObjectMeta: kapi.ObjectMeta{Name: args[0]}, Spec: quotaapi.ClusterResourceQuotaSpec{ Selector: quotaapi.ClusterResourceQuotaSelector{ LabelSelector: labelSelector, AnnotationSelector: annotationSelector, }, Quota: kapi.ResourceQuotaSpec{ Hard: kapi.ResourceList{}, }, }, } for _, resourceCount := range cmdutil.GetFlagStringSlice(cmd, "hard") { tokens := strings.Split(resourceCount, "=") if len(tokens) != 2 { return fmt.Errorf("%v must in the form of resource=quantity", resourceCount) } quantity, err := resource.ParseQuantity(tokens[1]) if err != nil { return err } o.ClusterQuota.Spec.Quota.Hard[kapi.ResourceName(tokens[0])] = quantity } o.Client, _, err = f.Clients() if err != nil { return err } o.Mapper, _ = f.Object(false) o.OutputFormat = cmdutil.GetFlagString(cmd, "output") o.Printer = func(obj runtime.Object, out io.Writer) error { return f.PrintObject(cmd, o.Mapper, obj, out) } return nil }
func RunCreate(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer) error { schema, err := f.Validator() if err != nil { return err } cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } filenames := cmdutil.GetFlagStringSlice(cmd, "filename") mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). Schema(schema). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, filenames...). Flatten(). Do() err = r.Err() if err != nil { return err } count := 0 err = r.Visit(func(info *resource.Info, err error) error { if err != nil { return err } data, err := info.Mapping.Codec.Encode(info.Object) if err != nil { return cmdutil.AddSourceToErr("creating", info.Source, err) } obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, data) if err != nil { return cmdutil.AddSourceToErr("creating", info.Source, err) } count++ info.Refresh(obj, true) shortOutput := cmdutil.GetFlagString(cmd, "output") == "name" if !shortOutput { printObjectSpecificMessage(info.Object, out) } cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "created") return nil }) if err != nil { return err } if count == 0 { return fmt.Errorf("no objects passed to create") } return nil }
func RunReplace(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error { if len(os.Args) > 1 && os.Args[1] == "update" { printDeprecationWarning("replace", "update") } schema, err := f.Validator() if err != nil { return err } cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } force := cmdutil.GetFlagBool(cmd, "force") filenames := cmdutil.GetFlagStringSlice(cmd, "filename") if len(filenames) == 0 { return cmdutil.UsageError(cmd, "Must specify --filename to replace") } shortOutput := cmdutil.GetFlagString(cmd, "output") == "name" if force { return forceReplace(f, out, cmd, args, filenames, shortOutput) } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). Schema(schema). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, filenames...). Flatten(). Do() err = r.Err() if err != nil { return err } return r.Visit(func(info *resource.Info, err error) error { if err != nil { return err } data, err := info.Mapping.Codec.Encode(info.Object) if err != nil { return cmdutil.AddSourceToErr("replacing", info.Source, err) } obj, err := resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, true, data) if err != nil { return cmdutil.AddSourceToErr("replacing", info.Source, err) } info.Refresh(obj, true) printObjectSpecificMessage(obj, out) cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "replaced") return nil }) }
func RunDescribe(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error { selector := cmdutil.GetFlagString(cmd, "selector") cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } filenames := cmdutil.GetFlagStringSlice(cmd, "filename") if len(args) == 0 && len(filenames) == 0 { fmt.Fprint(out, "You must specify the type of resource to describe. ", valid_resources) return cmdutil.UsageError(cmd, "Required resource not specified.") } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, filenames...). SelectorParam(selector). ResourceTypeOrNameArgs(true, args...). Flatten(). Do() err = r.Err() if err != nil { return err } allErrs := []error{} infos, err := r.Infos() if err != nil { if apierrors.IsNotFound(err) && len(args) == 2 { return DescribeMatchingResources(mapper, typer, f, cmdNamespace, args[0], args[1], out, err) } allErrs = append(allErrs, err) } for _, info := range infos { mapping := info.ResourceMapping() describer, err := f.Describer(mapping) if err != nil { allErrs = append(allErrs, err) continue } s, err := describer.Describe(info.Namespace, info.Name) if err != nil { allErrs = append(allErrs, err) continue } fmt.Fprintf(out, "%s\n\n", s) } return errors.NewAggregate(allErrs) }
// CreateConfigMap is the implementation of the create configmap command. func CreateConfigMap(f *cmdutil.Factory, cmdOut io.Writer, cmd *cobra.Command, args []string) error { name, err := NameFromCommandArgs(cmd, args) if err != nil { return err } var generator kubectl.StructuredGenerator switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName { case cmdutil.ConfigMapV1GeneratorName: generator = &kubectl.ConfigMapGeneratorV1{ Name: name, FileSources: cmdutil.GetFlagStringSlice(cmd, "from-file"), LiteralSources: cmdutil.GetFlagStringSlice(cmd, "from-literal"), } default: return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not supported.", generatorName)) } return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{ Name: name, StructuredGenerator: generator, DryRun: cmdutil.GetFlagBool(cmd, "dry-run"), OutputFormat: cmdutil.GetFlagString(cmd, "output"), }) }
func TestGetEnv(t *testing.T) { test := struct { input []string expected []string }{ input: []string{"a=b", "c=d"}, expected: []string{"a=b", "c=d"}, } cmd := &cobra.Command{} cmd.Flags().StringSlice("env", test.input, "") envStrings := cmdutil.GetFlagStringSlice(cmd, "env") if len(envStrings) != 2 || !reflect.DeepEqual(envStrings, test.expected) { t.Errorf("expected: %s, saw: %s", test.expected, envStrings) } }
func RunPatch(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool) error { cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } patch := cmdutil.GetFlagString(cmd, "patch") if len(patch) == 0 { return cmdutil.UsageError(cmd, "Must specify -p to patch") } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, cmdutil.GetFlagStringSlice(cmd, "filename")...). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() err = r.Err() if err != nil { return err } infos, err := r.Infos() if err != nil { return err } if len(infos) > 1 { return fmt.Errorf("multiple resources provided") } info := infos[0] name, namespace := info.Name, info.Namespace mapping := info.ResourceMapping() client, err := f.RESTClient(mapping) if err != nil { return err } helper := resource.NewHelper(client, mapping) _, err = helper.Patch(namespace, name, api.StrategicMergePatchType, []byte(patch)) if err != nil { return err } cmdutil.PrintSuccess(mapper, shortOutput, out, "", name, "patched") return nil }
// injectUserVars injects user specified variables into the Template func injectUserVars(cmd *cobra.Command, t *api.Template) { values := kcmdutil.GetFlagStringSlice(cmd, "value") for _, keypair := range values { p := strings.SplitN(keypair, "=", 2) if len(p) != 2 { fmt.Fprintf(cmd.Out(), "invalid parameter assignment in %q: %q\n", t.Name, keypair) continue } if v := template.GetParameterByName(t, p[0]); v != nil { v.Value = p[1] v.Generate = "" template.AddParameter(t, *v) } else { fmt.Fprintf(cmd.Out(), "unknown parameter name %q\n", p[0]) } } }
// CreateDeployment implements the behavior to run the create deployment command func CreateDeployment(f *cmdutil.Factory, cmdOut io.Writer, cmd *cobra.Command, args []string) error { name, err := NameFromCommandArgs(cmd, args) if err != nil { return err } var generator kubectl.StructuredGenerator switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName { case cmdutil.DeploymentBasicV1Beta1GeneratorName: generator = &kubectl.DeploymentBasicGeneratorV1{Name: name, Images: cmdutil.GetFlagStringSlice(cmd, "image")} default: return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not supported.", generatorName)) } return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{ Name: name, StructuredGenerator: generator, DryRun: cmdutil.GetDryRunFlag(cmd), OutputFormat: cmdutil.GetFlagString(cmd, "output"), }) }
func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error { cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } deleteAll := cmdutil.GetFlagBool(cmd, "all") mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, cmdutil.GetFlagStringSlice(cmd, "filename")...). SelectorParam(cmdutil.GetFlagString(cmd, "selector")). SelectAllParam(deleteAll). ResourceTypeOrNameArgs(false, args...).RequireObject(false). Flatten(). Do() err = r.Err() if err != nil { return err } ignoreNotFound := cmdutil.GetFlagBool(cmd, "ignore-not-found") if deleteAll { f := cmd.Flags().Lookup("ignore-not-found") // The flag should never be missing if f == nil { return fmt.Errorf("missing --ignore-not-found flag") } // If the user didn't explicitly set the option, default to ignoring NotFound errors when used with --all if !f.Changed { ignoreNotFound = true } } shortOutput := cmdutil.GetFlagString(cmd, "output") == "name" // By default use a reaper to delete all related resources. if cmdutil.GetFlagBool(cmd, "cascade") { return ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"), shortOutput, mapper) } return DeleteResult(r, out, ignoreNotFound, shortOutput, mapper) }
func RunStop(f *cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error { cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } filenames := cmdutil.GetFlagStringSlice(cmd, "filename") mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). ResourceTypeOrNameArgs(false, args...). FilenameParam(enforceNamespace, filenames...). 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" return ReapResult(r, f, out, false, cmdutil.GetFlagBool(cmd, "ignore-not-found"), cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"), shortOutput, mapper) }
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string, argsLenAtDash int) error { if len(os.Args) > 1 && os.Args[1] == "run-container" { printDeprecationWarning("run", "run-container") } // Let kubectl run follow rules for `--`, see #13004 issue if len(args) == 0 || argsLenAtDash == 0 { return cmdutil.UsageError(cmd, "NAME is required for run") } interactive := cmdutil.GetFlagBool(cmd, "stdin") tty := cmdutil.GetFlagBool(cmd, "tty") if tty && !interactive { return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with -t/--tty=true") } replicas := cmdutil.GetFlagInt(cmd, "replicas") if interactive && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas)) } namespace, _, err := f.DefaultNamespace() if err != nil { return err } restartPolicy, err := getRestartPolicy(cmd, interactive) if err != nil { return err } if restartPolicy != api.RestartPolicyAlways && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas)) } generatorName := cmdutil.GetFlagString(cmd, "generator") if len(generatorName) == 0 { client, err := f.Client() if err != nil { return err } resourcesList, err := client.Discovery().ServerResources() if err != nil { // this cover the cases where old servers do not expose discovery resourcesList = nil } if restartPolicy == api.RestartPolicyAlways { if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("deployments")) { generatorName = "deployment/v1beta1" } else { generatorName = "run/v1" } } else { if contains(resourcesList, batchv1.SchemeGroupVersion.WithResource("jobs")) { generatorName = "job/v1" } else if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("jobs")) { generatorName = "job/v1beta1" } else { generatorName = "run-pod/v1" } } } generators := f.Generators("run") generator, found := generators[generatorName] if !found { return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName)) } names := generator.ParamNames() params := kubectl.MakeParams(cmd, names) params["name"] = args[0] if len(args) > 1 { params["args"] = args[1:] } params["env"] = cmdutil.GetFlagStringSlice(cmd, "env") obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace) if err != nil { return err } if cmdutil.GetFlagBool(cmd, "expose") { serviceGenerator := cmdutil.GetFlagString(cmd, "service-generator") if len(serviceGenerator) == 0 { return cmdutil.UsageError(cmd, fmt.Sprintf("No service generator specified")) } if err := generateService(f, cmd, args, serviceGenerator, params, namespace, cmdOut); err != nil { return err } } attachFlag := cmd.Flags().Lookup("attach") attach := cmdutil.GetFlagBool(cmd, "attach") if !attachFlag.Changed && interactive { attach = true } remove := cmdutil.GetFlagBool(cmd, "rm") if !attach && remove { return cmdutil.UsageError(cmd, "--rm should only be used for attached containers") } if attach { opts := &AttachOptions{ In: cmdIn, Out: cmdOut, Err: cmdErr, Stdin: interactive, TTY: tty, Attach: &DefaultRemoteAttach{}, } config, err := f.ClientConfig() if err != nil { return err } opts.Config = config client, err := f.Client() if err != nil { return err } opts.Client = client attachablePod, err := f.AttachablePodForObject(obj) if err != nil { return err } err = handleAttachPod(f, client, attachablePod, opts) if err != nil { return err } if remove { namespace, err = mapping.MetadataAccessor.Namespace(obj) if err != nil { return err } var name string name, err = mapping.MetadataAccessor.Name(obj) if err != nil { return err } _, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd)) r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(namespace).DefaultNamespace(). ResourceNames(mapping.Resource, name). Flatten(). Do() return ReapResult(r, f, cmdOut, true, true, 0, -1, false, mapper) } return nil } outputFormat := cmdutil.GetFlagString(cmd, "output") if outputFormat != "" { return f.PrintObject(cmd, mapper, obj, cmdOut) } cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created") return nil }
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string, argsLenAtDash int) error { if len(os.Args) > 1 && os.Args[1] == "run-container" { printDeprecationWarning("run", "run-container") } // Let kubectl run follow rules for `--`, see #13004 issue if len(args) == 0 || argsLenAtDash == 0 { return cmdutil.UsageError(cmd, "NAME is required for run") } interactive := cmdutil.GetFlagBool(cmd, "stdin") tty := cmdutil.GetFlagBool(cmd, "tty") if tty && !interactive { return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true") } replicas := cmdutil.GetFlagInt(cmd, "replicas") if interactive && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas)) } namespace, _, err := f.DefaultNamespace() if err != nil { return err } restartPolicy, err := getRestartPolicy(cmd, interactive) if err != nil { return err } if restartPolicy != api.RestartPolicyAlways && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas)) } generatorName := cmdutil.GetFlagString(cmd, "generator") if len(generatorName) == 0 { // TODO: Change the default to "deployment/v1beta1" when deployment reaches beta (#15313) if restartPolicy == api.RestartPolicyAlways { generatorName = "run/v1" } else { generatorName = "job/v1beta1" } } generator, found := f.Generator(generatorName) if !found { return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName)) } names := generator.ParamNames() params := kubectl.MakeParams(cmd, names) params["name"] = args[0] if len(args) > 1 { params["args"] = args[1:] } params["env"] = cmdutil.GetFlagStringSlice(cmd, "env") if cmdutil.GetFlagBool(cmd, "expose") { serviceGenerator := cmdutil.GetFlagString(cmd, "service-generator") if len(serviceGenerator) == 0 { return cmdutil.UsageError(cmd, fmt.Sprintf("No service generator specified")) } if err := generateService(f, cmd, args, serviceGenerator, params, namespace, cmdOut); err != nil { return err } } obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace) if err != nil { return err } attachFlag := cmd.Flags().Lookup("attach") attach := cmdutil.GetFlagBool(cmd, "attach") if !attachFlag.Changed && interactive { attach = true } if attach { opts := &AttachOptions{ In: cmdIn, Out: cmdOut, Err: cmdErr, Stdin: interactive, TTY: tty, Attach: &DefaultRemoteAttach{}, } config, err := f.ClientConfig() if err != nil { return err } opts.Config = config client, err := f.Client() if err != nil { return err } opts.Client = client attachablePod, err := f.AttachablePodForObject(obj) if err != nil { return err } return handleAttachPod(f, client, attachablePod, opts) } outputFormat := cmdutil.GetFlagString(cmd, "output") if outputFormat != "" { return f.PrintObject(cmd, obj, cmdOut) } cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created") return nil }
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error { namespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(namespace).DefaultNamespace(). FilenameParam(enforceNamespace, cmdutil.GetFlagStringSlice(cmd, "filename")...). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() err = r.Err() if err != nil { return err } infos, err := r.Infos() if err != nil { return err } if len(infos) > 1 { return fmt.Errorf("multiple resources provided: %v", args) } info := infos[0] mapping := info.ResourceMapping() // Get the input object client, err := f.RESTClient(mapping) if err != nil { return err } inputObject, err := resource.NewHelper(client, mapping).Get(info.Namespace, info.Name) if err != nil { return err } // Get the generator, setup and validate all required parameters generatorName := cmdutil.GetFlagString(cmd, "generator") generator, found := f.Generator(generatorName) if !found { return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName)) } names := generator.ParamNames() params := kubectl.MakeParams(cmd, names) params["default-name"] = info.Name if s, found := params["selector"]; !found || kubectl.IsZero(s) || cmdutil.GetFlagInt(cmd, "port") < 1 { if kubectl.IsZero(s) { s, err := f.PodSelectorForObject(inputObject) if err != nil { return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err)) } params["selector"] = s } noPorts := true for _, param := range names { if param.Name == "port" { noPorts = false break } } if cmdutil.GetFlagInt(cmd, "port") < 0 && !noPorts { ports, err := f.PortsForObject(inputObject) if err != nil { return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err)) } switch len(ports) { case 0: return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection") case 1: params["port"] = ports[0] default: return cmdutil.UsageError(cmd, fmt.Sprintf("multiple ports to choose from: %v, please explicitly specify a port using the --port flag.", ports)) } } } if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") { params["create-external-load-balancer"] = "true" } if kubectl.IsZero(params["labels"]) { labels, err := f.LabelsForObject(inputObject) if err != nil { return err } params["labels"] = kubectl.MakeLabels(labels) } if v := cmdutil.GetFlagString(cmd, "type"); v != "" { params["type"] = v } err = kubectl.ValidateParams(names, params) if err != nil { return err } // Expose new object object, err := generator.Generate(params) if err != nil { return err } inline := cmdutil.GetFlagString(cmd, "overrides") if len(inline) > 0 { object, err = cmdutil.Merge(object, inline, mapping.Kind) if err != nil { return err } } // TODO: extract this flag to a central location, when such a location exists. if !cmdutil.GetFlagBool(cmd, "dry-run") { resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()} info, err := resourceMapper.InfoForObject(object) if err != nil { return err } data, err := info.Mapping.Codec.Encode(object) if err != nil { return err } _, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data) if err != nil { return err } } return f.PrintObject(cmd, object, out) }
// RunScale executes the scaling func RunScale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool) error { if len(os.Args) > 1 && os.Args[1] == "resize" { printDeprecationWarning("scale", "resize") } count := cmdutil.GetFlagInt(cmd, "replicas") if count < 0 { return cmdutil.UsageError(cmd, "--replicas=COUNT TYPE NAME") } cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, cmdutil.GetFlagStringSlice(cmd, "filename")...). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() err = r.Err() if err != nil { return err } infos, err := r.Infos() if err != nil { return err } info := infos[0] mapping := info.ResourceMapping() scaler, err := f.Scaler(mapping) if err != nil { return err } resourceVersion := cmdutil.GetFlagString(cmd, "resource-version") if len(resourceVersion) != 0 && len(infos) > 1 { return fmt.Errorf("cannot use --resource-version with multiple controllers") } currentSize := cmdutil.GetFlagInt(cmd, "current-replicas") if currentSize != -1 && len(infos) > 1 { return fmt.Errorf("cannot use --current-replicas with multiple controllers") } precondition := &kubectl.ScalePrecondition{Size: currentSize, ResourceVersion: resourceVersion} retry := kubectl.NewRetryParams(kubectl.Interval, kubectl.Timeout) var waitForReplicas *kubectl.RetryParams if timeout := cmdutil.GetFlagDuration(cmd, "timeout"); timeout != 0 { waitForReplicas = kubectl.NewRetryParams(kubectl.Interval, timeout) } errs := []error{} for _, info := range infos { if err := scaler.Scale(info.Namespace, info.Name, uint(count), precondition, retry, waitForReplicas); err != nil { errs = append(errs, err) continue } cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "scaled") } return errors.NewAggregate(errs) }
// RunGet implements the generic Get command // TODO: convert all direct flag accessors to a struct and pass that instead of cmd func RunGet(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error { selector := cmdutil.GetFlagString(cmd, "selector") allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces") mapper, typer := f.Object() cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } filenames := cmdutil.GetFlagStringSlice(cmd, "filename") if len(args) == 0 && len(filenames) == 0 { fmt.Fprint(out, "You must specify the type of resource to get. ", valid_resources, ` * componentstatuses (aka 'cs') * endpoints (aka 'ep') `) return cmdutil.UsageError(cmd, "Required resource not specified.") } // handle watch separately since we cannot watch multiple resource types isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only") if isWatch || isWatchOnly { r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces). FilenameParam(enforceNamespace, filenames...). SelectorParam(selector). ResourceTypeOrNameArgs(true, args...). SingleResourceType(). Latest(). Do() if err != nil { return err } infos, err := r.Infos() if err != nil { return err } if len(infos) != 1 { return fmt.Errorf("watch is only supported on a single resource - %d resources were found", len(infos)) } info := infos[0] mapping := info.ResourceMapping() printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces) if err != nil { return err } obj, err := r.Object() if err != nil { return err } rv, err := mapping.MetadataAccessor.ResourceVersion(obj) if err != nil { return err } // print the current object if !isWatchOnly { if err := printer.PrintObj(obj, out); err != nil { return fmt.Errorf("unable to output the provided object: %v", err) } } // print watched changes w, err := r.Watch(rv) if err != nil { return err } kubectl.WatchLoop(w, func(e watch.Event) error { return printer.PrintObj(e.Object, out) }) return nil } b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces). FilenameParam(enforceNamespace, filenames...). SelectorParam(selector). ResourceTypeOrNameArgs(true, args...). ContinueOnError(). Latest() printer, generic, err := cmdutil.PrinterForCommand(cmd) if err != nil { return err } if generic { clientConfig, err := f.ClientConfig() if err != nil { return err } defaultVersion := clientConfig.Version singular := false r := b.Flatten().Do() infos, err := r.IntoSingular(&singular).Infos() if err != nil { return err } // the outermost object will be converted to the output-version, but inner // objects can use their mappings version := cmdutil.OutputVersion(cmd, defaultVersion) obj, err := resource.AsVersionedObject(infos, !singular, version) if err != nil { return err } return printer.PrintObj(obj, out) } // use the default printer for each object return b.Do().Visit(func(r *resource.Info) error { printer, err := f.PrinterForMapping(cmd, r.Mapping, allNamespaces) if err != nil { return err } return printer.PrintObj(r.Object, out) }) }
func dumpClusterInfo(f cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error { clientset, err := f.ClientSet() if err != nil { return err } printer, _, err := kubectl.GetPrinter("json", "", false, true) if err != nil { return err } nodes, err := clientset.Core().Nodes().List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(nodes, setupOutputWriter(cmd, out, "nodes.json")); err != nil { return err } var namespaces []string if cmdutil.GetFlagBool(cmd, "all-namespaces") { namespaceList, err := clientset.Core().Namespaces().List(api.ListOptions{}) if err != nil { return err } for ix := range namespaceList.Items { namespaces = append(namespaces, namespaceList.Items[ix].Name) } } else { namespaces = cmdutil.GetFlagStringSlice(cmd, "namespaces") if len(namespaces) == 0 { cmdNamespace, _, err := f.DefaultNamespace() if err != nil { return err } namespaces = []string{ api.NamespaceSystem, cmdNamespace, } } } for _, namespace := range namespaces { // TODO: this is repetitive in the extreme. Use reflection or // something to make this a for loop. events, err := clientset.Core().Events(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(events, setupOutputWriter(cmd, out, path.Join(namespace, "events.json"))); err != nil { return err } rcs, err := clientset.Core().ReplicationControllers(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(rcs, setupOutputWriter(cmd, out, path.Join(namespace, "replication-controllers.json"))); err != nil { return err } svcs, err := clientset.Core().Services(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(svcs, setupOutputWriter(cmd, out, path.Join(namespace, "services.json"))); err != nil { return err } sets, err := clientset.Extensions().DaemonSets(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(sets, setupOutputWriter(cmd, out, path.Join(namespace, "daemonsets.json"))); err != nil { return err } deps, err := clientset.Extensions().Deployments(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(deps, setupOutputWriter(cmd, out, path.Join(namespace, "deployments.json"))); err != nil { return err } rps, err := clientset.Extensions().ReplicaSets(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(rps, setupOutputWriter(cmd, out, path.Join(namespace, "replicasets.json"))); err != nil { return err } pods, err := clientset.Core().Pods(namespace).List(api.ListOptions{}) if err != nil { return err } if err := printer.PrintObj(pods, setupOutputWriter(cmd, out, path.Join(namespace, "pods.json"))); err != nil { return err } for ix := range pods.Items { pod := &pods.Items[ix] writer := setupOutputWriter(cmd, out, path.Join(namespace, pod.Name, "logs.txt")) writer.Write([]byte(fmt.Sprintf("==== START logs for %s/%s ====\n", pod.Namespace, pod.Name))) request, err := f.LogsForObject(pod, &api.PodLogOptions{}) if err != nil { return err } data, err := request.DoRaw() if err != nil { return err } writer.Write(data) writer.Write([]byte(fmt.Sprintf("==== END logs for %s/%s ====\n", pod.Namespace, pod.Name))) } } dir := cmdutil.GetFlagString(cmd, "output-directory") if len(dir) == 0 { dir = "." } if dir != "-" { fmt.Fprintf(out, "Cluster info dumped to %s", dir) } return nil }
// validate adds one layer of validation prior to calling the upstream // expose command. func validate(cmd *cobra.Command, f *clientcmd.Factory, args []string) error { namespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } _, kc, err := f.Clients() if err != nil { return err } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(namespace).DefaultNamespace(). FilenameParam(enforceNamespace, cmdutil.GetFlagStringSlice(cmd, "filename")...). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() infos, err := r.Infos() if err != nil { return err } if len(infos) > 1 { return fmt.Errorf("multiple resources provided: %v", args) } info := infos[0] mapping := info.ResourceMapping() generator := cmdutil.GetFlagString(cmd, "generator") switch mapping.Kind { case "Service": switch generator { case "service/v1", "service/v2": // Set default protocol back for generating services if len(cmdutil.GetFlagString(cmd, "protocol")) == 0 { cmd.Flags().Set("protocol", "TCP") } return validateFlags(cmd, generator) case "": // Default exposing services as a route generator = "route/v1" cmd.Flags().Set("generator", generator) fallthrough case "route/v1": // We need to validate services exposed as routes if err := validateFlags(cmd, generator); err != nil { return err } svc, err := kc.Services(info.Namespace).Get(info.Name) if err != nil { return err } supportsTCP := false for _, port := range svc.Spec.Ports { if port.Protocol == kapi.ProtocolTCP { if len(port.Name) > 0 { // Pass service port name as the route target port, if it is named cmd.Flags().Set("target-port", port.Name) } supportsTCP = true break } } if !supportsTCP { return fmt.Errorf("service %q doesn't support TCP", info.Name) } } default: switch generator { case "route/v1": return fmt.Errorf("cannot expose a %s as a route", mapping.Kind) case "": // Default exposing everything except services as a service generator = "service/v2" cmd.Flags().Set("generator", generator) fallthrough case "service/v1", "service/v2": // Set default protocol back for generating services if len(cmdutil.GetFlagString(cmd, "protocol")) == 0 { cmd.Flags().Set("protocol", "TCP") } return validateFlags(cmd, generator) } } return nil }
func RunLabel(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error { resources, labelArgs := []string{}, []string{} first := true for _, s := range args { isLabel := strings.Contains(s, "=") || strings.HasSuffix(s, "-") switch { case first && isLabel: first = false fallthrough case !first && isLabel: labelArgs = append(labelArgs, s) case first && !isLabel: resources = append(resources, s) case !first && !isLabel: return cmdutil.UsageError(cmd, "all resources must be specified before label changes: %s", s) } } filenames := cmdutil.GetFlagStringSlice(cmd, "filename") if len(resources) < 1 && len(filenames) == 0 { return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>") } if len(labelArgs) < 1 { return cmdutil.UsageError(cmd, "at least one label update is required") } selector := cmdutil.GetFlagString(cmd, "selector") all := cmdutil.GetFlagBool(cmd, "all") overwrite := cmdutil.GetFlagBool(cmd, "overwrite") resourceVersion := cmdutil.GetFlagString(cmd, "resource-version") cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } labels, remove, err := parseLabels(labelArgs) if err != nil { return cmdutil.UsageError(cmd, err.Error()) } mapper, typer := f.Object() b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, filenames...). SelectorParam(selector). ResourceTypeOrNameArgs(all, resources...). Flatten(). Latest() one := false r := b.Do().IntoSingular(&one) if err := r.Err(); err != nil { return err } // only apply resource version locking on a single resource if !one && len(resourceVersion) > 0 { return cmdutil.UsageError(cmd, "--resource-version may only be used with a single resource") } // TODO: support bulk generic output a la Get return r.Visit(func(info *resource.Info, err error) error { if err != nil { return err } obj, err := cmdutil.UpdateObject(info, func(obj runtime.Object) error { err := labelFunc(obj, overwrite, resourceVersion, labels, remove) if err != nil { return err } return nil }) if err != nil { return err } printer, err := f.PrinterForMapping(cmd, info.Mapping, false) if err != nil { return err } return printer.PrintObj(obj, out) }) }
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error { if len(os.Args) > 1 && os.Args[1] == "run-container" { printDeprecationWarning("run", "run-container") } if len(args) == 0 { return cmdutil.UsageError(cmd, "NAME is required for run") } interactive := cmdutil.GetFlagBool(cmd, "stdin") tty := cmdutil.GetFlagBool(cmd, "tty") if tty && !interactive { return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true") } replicas := cmdutil.GetFlagInt(cmd, "replicas") if interactive && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas)) } namespace, _, err := f.DefaultNamespace() if err != nil { return err } restartPolicy, err := getRestartPolicy(cmd, interactive) if err != nil { return err } if restartPolicy != api.RestartPolicyAlways && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas)) } generatorName := cmdutil.GetFlagString(cmd, "generator") if len(generatorName) == 0 { if restartPolicy == api.RestartPolicyAlways { generatorName = "run/v1" } else { generatorName = "run-pod/v1" } } generator, found := f.Generator(generatorName) if !found { return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName)) } names := generator.ParamNames() params := kubectl.MakeParams(cmd, names) params["name"] = args[0] if len(args) > 1 { params["args"] = args[1:] } params["env"] = cmdutil.GetFlagStringSlice(cmd, "env") err = kubectl.ValidateParams(names, params) if err != nil { return err } obj, err := generator.Generate(params) if err != nil { return err } mapper, typer := f.Object() version, kind, err := typer.ObjectVersionAndKind(obj) if err != nil { return err } inline := cmdutil.GetFlagString(cmd, "overrides") if len(inline) > 0 { obj, err = cmdutil.Merge(obj, inline, kind) if err != nil { return err } } mapping, err := mapper.RESTMapping(kind, version) if err != nil { return err } client, err := f.RESTClient(mapping) if err != nil { return err } // TODO: extract this flag to a central location, when such a location exists. if !cmdutil.GetFlagBool(cmd, "dry-run") { resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()} info, err := resourceMapper.InfoForObject(obj) if err != nil { return err } // Serialize the configuration into an annotation. if err := kubectl.UpdateApplyAnnotation(info); err != nil { return err } // Serialize the object with the annotation applied. data, err := mapping.Codec.Encode(info.Object) if err != nil { return err } obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data) if err != nil { return err } } attachFlag := cmd.Flags().Lookup("attach") attach := cmdutil.GetFlagBool(cmd, "attach") if !attachFlag.Changed && interactive { attach = true } if attach { opts := &AttachOptions{ In: cmdIn, Out: cmdOut, Err: cmdErr, Stdin: interactive, TTY: tty, Attach: &DefaultRemoteAttach{}, } config, err := f.ClientConfig() if err != nil { return err } opts.Config = config client, err := f.Client() if err != nil { return err } opts.Client = client // TODO: this should be abstracted into Factory to support other types switch t := obj.(type) { case *api.ReplicationController: return handleAttachReplicationController(client, t, opts) case *api.Pod: return handleAttachPod(client, t, opts) default: return fmt.Errorf("cannot attach to %s: not implemented", kind) } } outputFormat := cmdutil.GetFlagString(cmd, "output") if outputFormat != "" { return f.PrintObject(cmd, obj, cmdOut) } cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created") return nil }
func Run(f cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string, argsLenAtDash int) error { if len(os.Args) > 1 && os.Args[1] == "run-container" { printDeprecationWarning("run", "run-container") } // Let kubectl run follow rules for `--`, see #13004 issue if len(args) == 0 || argsLenAtDash == 0 { return cmdutil.UsageError(cmd, "NAME is required for run") } // validate image name imageName := cmdutil.GetFlagString(cmd, "image") validImageRef := reference.ReferenceRegexp.MatchString(imageName) if !validImageRef { return fmt.Errorf("Invalid image name %q: %v", imageName, reference.ErrReferenceInvalidFormat) } interactive := cmdutil.GetFlagBool(cmd, "stdin") tty := cmdutil.GetFlagBool(cmd, "tty") if tty && !interactive { return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with -t/--tty=true") } replicas := cmdutil.GetFlagInt(cmd, "replicas") if interactive && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas)) } namespace, _, err := f.DefaultNamespace() if err != nil { return err } restartPolicy, err := getRestartPolicy(cmd, interactive) if err != nil { return err } if restartPolicy != api.RestartPolicyAlways && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas)) } attachFlag := cmd.Flags().Lookup("attach") attach := cmdutil.GetFlagBool(cmd, "attach") if !attachFlag.Changed && interactive { attach = true } remove := cmdutil.GetFlagBool(cmd, "rm") if !attach && remove { return cmdutil.UsageError(cmd, "--rm should only be used for attached containers") } if attach && cmdutil.GetDryRunFlag(cmd) { return cmdutil.UsageError(cmd, "--dry-run can't be used with attached containers options (--attach, --stdin, or --tty)") } if err := verifyImagePullPolicy(cmd); err != nil { return err } generatorName := cmdutil.GetFlagString(cmd, "generator") schedule := cmdutil.GetFlagString(cmd, "schedule") if len(schedule) != 0 && len(generatorName) == 0 { generatorName = "cronjob/v2alpha1" } if len(generatorName) == 0 { clientset, err := f.ClientSet() if err != nil { return err } resourcesList, err := clientset.Discovery().ServerResources() // ServerResources ignores errors for old servers do not expose discovery if err != nil { return fmt.Errorf("failed to discover supported resources: %v", err) } switch restartPolicy { case api.RestartPolicyAlways: if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("deployments")) { generatorName = "deployment/v1beta1" } else { generatorName = "run/v1" } case api.RestartPolicyOnFailure: if contains(resourcesList, batchv1.SchemeGroupVersion.WithResource("jobs")) { generatorName = "job/v1" } else if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("jobs")) { generatorName = "job/v1beta1" } else { generatorName = "run-pod/v1" } case api.RestartPolicyNever: generatorName = "run-pod/v1" } } if generatorName == "job/v1beta1" { fmt.Fprintf(cmdErr, "DEPRECATED: --generator=job/v1beta1 is deprecated, use job/v1 instead.\n") } generators := f.Generators("run") generator, found := generators[generatorName] if !found { return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName)) } names := generator.ParamNames() params := kubectl.MakeParams(cmd, names) params["name"] = args[0] if len(args) > 1 { params["args"] = args[1:] } params["env"] = cmdutil.GetFlagStringSlice(cmd, "env") obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace) if err != nil { return err } if cmdutil.GetFlagBool(cmd, "expose") { serviceGenerator := cmdutil.GetFlagString(cmd, "service-generator") if len(serviceGenerator) == 0 { return cmdutil.UsageError(cmd, fmt.Sprintf("No service generator specified")) } if err := generateService(f, cmd, args, serviceGenerator, params, namespace, cmdOut); err != nil { return err } } if attach { quiet := cmdutil.GetFlagBool(cmd, "quiet") opts := &AttachOptions{ StreamOptions: StreamOptions{ In: cmdIn, Out: cmdOut, Err: cmdErr, Stdin: interactive, TTY: tty, Quiet: quiet, }, CommandName: cmd.Parent().CommandPath() + " attach", Attach: &DefaultRemoteAttach{}, } config, err := f.ClientConfig() if err != nil { return err } opts.Config = config clientset, err := f.ClientSet() if err != nil { return err } opts.PodClient = clientset.Core() attachablePod, err := f.AttachablePodForObject(obj) if err != nil { return err } err = handleAttachPod(f, clientset.Core(), attachablePod.Namespace, attachablePod.Name, opts, quiet) if err != nil { return err } var pod *api.Pod leaveStdinOpen := cmdutil.GetFlagBool(cmd, "leave-stdin-open") waitForExitCode := !leaveStdinOpen && restartPolicy == api.RestartPolicyNever if waitForExitCode { pod, err = waitForPodTerminated(clientset.Core(), attachablePod.Namespace, attachablePod.Name, opts.Out, quiet) if err != nil { return err } } if remove { namespace, err = mapping.MetadataAccessor.Namespace(obj) if err != nil { return err } var name string name, err = mapping.MetadataAccessor.Name(obj) if err != nil { return err } _, typer := f.Object() r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(namespace).DefaultNamespace(). ResourceNames(mapping.Resource, name). Flatten(). Do() // Note: we pass in "true" for the "quiet" parameter because // ReadResult will only print one thing based on the "quiet" // flag, and that's the "pod xxx deleted" message. If they // asked for us to remove the pod (via --rm) then telling them // its been deleted is unnecessary since that's what they asked // for. We should only print something if the "rm" fails. err = ReapResult(r, f, cmdOut, true, true, 0, -1, false, false, mapper, true) if err != nil { return err } } // after removal is done, return successfully if we are not interested in the exit code if !waitForExitCode { return nil } switch pod.Status.Phase { case api.PodSucceeded: return nil case api.PodFailed: unknownRcErr := fmt.Errorf("pod %s/%s failed with unknown exit code", pod.Namespace, pod.Name) if len(pod.Status.ContainerStatuses) == 0 || pod.Status.ContainerStatuses[0].State.Terminated == nil { return unknownRcErr } // assume here that we have at most one status because kubectl-run only creates one container per pod rc := pod.Status.ContainerStatuses[0].State.Terminated.ExitCode if rc == 0 { return unknownRcErr } return uexec.CodeExitError{ Err: fmt.Errorf("pod %s/%s terminated", pod.Namespace, pod.Name), Code: int(rc), } default: return fmt.Errorf("pod %s/%s left in phase %s", pod.Namespace, pod.Name, pod.Status.Phase) } } outputFormat := cmdutil.GetFlagString(cmd, "output") if outputFormat != "" || cmdutil.GetDryRunFlag(cmd) { return f.PrintObject(cmd, mapper, obj, cmdOut) } cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], cmdutil.GetDryRunFlag(cmd), "created") return nil }
// RunProject contains all the necessary functionality for the OpenShift cli process command func RunProcess(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error { templateName, valueArgs := "", []string{} for _, s := range args { isValue := strings.Contains(s, "=") switch { case isValue: valueArgs = append(valueArgs, s) case !isValue && len(templateName) == 0: templateName = s case !isValue && len(templateName) > 0: return kcmdutil.UsageError(cmd, "template name must be specified only once: %s", s) } } keys := sets.NewString() duplicatedKeys := sets.NewString() var flagValues []string if cmd.Flag("value").Changed { flagValues = kcmdutil.GetFlagStringSlice(cmd, "value") } for _, value := range flagValues { key := strings.Split(value, "=")[0] if keys.Has(key) { duplicatedKeys.Insert(key) } keys.Insert(key) } for _, value := range valueArgs { key := strings.Split(value, "=")[0] if keys.Has(key) { duplicatedKeys.Insert(key) } keys.Insert(key) } if len(duplicatedKeys) != 0 { return kcmdutil.UsageError(cmd, fmt.Sprintf("The following values were provided more than once: %s", strings.Join(duplicatedKeys.List(), ", "))) } filename := kcmdutil.GetFlagString(cmd, "filename") if len(templateName) == 0 && len(filename) == 0 { return kcmdutil.UsageError(cmd, "Must pass a filename or name of stored template") } if kcmdutil.GetFlagBool(cmd, "parameters") { for _, flag := range []string{"value", "labels", "output", "output-version", "raw", "template"} { if f := cmd.Flags().Lookup(flag); f != nil && f.Changed { return kcmdutil.UsageError(cmd, "The --parameters flag does not process the template, can't be used with --%v", flag) } } } namespace, explicit, err := f.DefaultNamespace() if err != nil { return err } mapper, typer := f.Object(false) client, _, err := f.Clients() if err != nil { return err } var ( objects []runtime.Object infos []*resource.Info ) mapping, err := mapper.RESTMapping(templateapi.Kind("Template")) if err != nil { return err } // When templateName is not empty, then we fetch the template from the // server, otherwise we require to set the `-f` parameter. if len(templateName) > 0 { var ( storedTemplate, rs string sourceNamespace string ok bool ) sourceNamespace, rs, storedTemplate, ok = parseNamespaceResourceName(templateName, namespace) if !ok { return fmt.Errorf("invalid argument %q", templateName) } if len(rs) > 0 && (rs != "template" && rs != "templates") { return fmt.Errorf("unable to process invalid resource %q", rs) } if len(storedTemplate) == 0 { return fmt.Errorf("invalid value syntax %q", templateName) } templateObj, err := client.Templates(sourceNamespace).Get(storedTemplate) if err != nil { if errors.IsNotFound(err) { return fmt.Errorf("template %q could not be found", storedTemplate) } return err } templateObj.CreationTimestamp = unversioned.Now() infos = append(infos, &resource.Info{Object: templateObj}) } else { infos, err = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder()). NamespaceParam(namespace).RequireNamespace(). FilenameParam(explicit, false, filename). Do(). Infos() if err != nil { return err } } outputFormat := kcmdutil.GetFlagString(cmd, "output") if len(infos) > 1 { // in order to run validation on the input given to us by a user, we only support the processing // of one template in a list. For instance, we want to be able to fail when a user does not give // a parameter that the template wants or when they give a parameter the template doesn't need, // as this may indicate that they have mis-used `oc process`. This is much less complicated when // we process at most one template. fmt.Fprintf(out, "%d input templates found, but only the first will be processed", len(infos)) } obj, ok := infos[0].Object.(*templateapi.Template) if !ok { sourceName := filename if len(templateName) > 0 { sourceName = namespace + "/" + templateName } return fmt.Errorf("unable to parse %q, not a valid Template but %s\n", sourceName, reflect.TypeOf(infos[0].Object)) } // If 'parameters' flag is set it does not do processing but only print // the template parameters to console for inspection. if kcmdutil.GetFlagBool(cmd, "parameters") { return describe.PrintTemplateParameters(obj.Parameters, out) } if label := kcmdutil.GetFlagString(cmd, "labels"); len(label) > 0 { lbl, err := kubectl.ParseLabels(label) if err != nil { return fmt.Errorf("error parsing labels: %v\n", err) } if obj.ObjectLabels == nil { obj.ObjectLabels = make(map[string]string) } for key, value := range lbl { obj.ObjectLabels[key] = value } } // Override the values for the current template parameters // when user specify the --value if cmd.Flag("value").Changed { values := kcmdutil.GetFlagStringSlice(cmd, "value") if errs := injectUserVars(values, obj); errs != nil { return kerrors.NewAggregate(errs) } } if errs := injectUserVars(valueArgs, obj); errs != nil { return kerrors.NewAggregate(errs) } resultObj, err := client.TemplateConfigs(namespace).Create(obj) if err != nil { return fmt.Errorf("error processing the template %q: %v\n", obj.Name, err) } if outputFormat == "describe" { if s, err := (&describe.TemplateDescriber{ MetadataAccessor: meta.NewAccessor(), ObjectTyper: kapi.Scheme, ObjectDescriber: nil, }).DescribeTemplate(resultObj); err != nil { return fmt.Errorf("error describing %q: %v\n", obj.Name, err) } else { _, err := fmt.Fprintf(out, s) return err } } objects = append(objects, resultObj.Objects...) // Do not print the processed templates when asked to only show parameters or // describe. if kcmdutil.GetFlagBool(cmd, "parameters") || outputFormat == "describe" { return nil } p, _, err := kubectl.GetPrinter(outputFormat, "") if err != nil { return err } gv := mapping.GroupVersionKind.GroupVersion() version, err := kcmdutil.OutputVersion(cmd, &gv) if err != nil { return err } p = kubectl.NewVersionedPrinter(p, kapi.Scheme, version) // use generic output if kcmdutil.GetFlagBool(cmd, "raw") { for i := range objects { p.PrintObj(objects[i], out) } return nil } return p.PrintObj(&kapi.List{ ListMeta: unversioned.ListMeta{}, Items: objects, }, out) }
// RunProject contains all the necessary functionality for the OpenShift cli process command func RunProcess(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error { templateName, valueArgs := "", []string{} for _, s := range args { isValue := strings.Contains(s, "=") switch { case isValue: valueArgs = append(valueArgs, s) case !isValue && len(templateName) == 0: templateName = s case !isValue && len(templateName) > 0: return kcmdutil.UsageError(cmd, "template name must be specified only once: %s", s) } } filename := kcmdutil.GetFlagString(cmd, "filename") if len(templateName) == 0 && len(filename) == 0 { return kcmdutil.UsageError(cmd, "Must pass a filename or name of stored template") } if kcmdutil.GetFlagBool(cmd, "parameters") { for _, flag := range []string{"value", "labels", "output", "output-version", "raw", "template"} { if f := cmd.Flags().Lookup(flag); f != nil && f.Changed { return kcmdutil.UsageError(cmd, "The --parameters flag does not process the template, can't be used with --%v", flag) } } } namespace, explicit, err := f.DefaultNamespace() if err != nil { return err } mapper, typer := f.Object() client, _, err := f.Clients() if err != nil { return err } var ( objects []runtime.Object infos []*resource.Info ) mapping, err := mapper.RESTMapping(templateapi.Kind("Template")) if err != nil { return err } // When templateName is not empty, then we fetch the template from the // server, otherwise we require to set the `-f` parameter. if len(templateName) > 0 { var ( storedTemplate, rs string sourceNamespace string ok bool ) sourceNamespace, rs, storedTemplate, ok = parseNamespaceResourceName(templateName, namespace) if !ok { return fmt.Errorf("invalid argument %q", templateName) } if len(rs) > 0 && (rs != "template" && rs != "templates") { return fmt.Errorf("unable to process invalid resource %q", rs) } if len(storedTemplate) == 0 { return fmt.Errorf("invalid value syntax %q", templateName) } templateObj, err := client.Templates(sourceNamespace).Get(storedTemplate) if err != nil { if errors.IsNotFound(err) { return fmt.Errorf("template %q could not be found", storedTemplate) } return err } templateObj.CreationTimestamp = unversioned.Now() infos = append(infos, &resource.Info{Object: templateObj}) } else { infos, err = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder()). NamespaceParam(namespace).RequireNamespace(). FilenameParam(explicit, filename). Do(). Infos() if err != nil { return err } } outputFormat := kcmdutil.GetFlagString(cmd, "output") for i := range infos { obj, ok := infos[i].Object.(*templateapi.Template) if !ok { sourceName := filename if len(templateName) > 0 { sourceName = namespace + "/" + templateName } fmt.Fprintf(cmd.Out(), "unable to parse %q, not a valid Template but %s\n", sourceName, reflect.TypeOf(infos[i].Object)) continue } // If 'parameters' flag is set it does not do processing but only print // the template parameters to console for inspection. // If multiple templates are passed, this will print combined output for all // templates. if kcmdutil.GetFlagBool(cmd, "parameters") { if len(infos) > 1 { fmt.Fprintf(out, "\n%s:\n", obj.Name) } if err := describe.PrintTemplateParameters(obj.Parameters, out); err != nil { fmt.Fprintf(cmd.Out(), "error printing parameters for %q: %v\n", obj.Name, err) } continue } if label := kcmdutil.GetFlagString(cmd, "labels"); len(label) > 0 { lbl, err := kubectl.ParseLabels(label) if err != nil { fmt.Fprintf(cmd.Out(), "error parsing labels: %v\n", err) continue } if obj.ObjectLabels == nil { obj.ObjectLabels = make(map[string]string) } for key, value := range lbl { obj.ObjectLabels[key] = value } } // Override the values for the current template parameters // when user specify the --value if cmd.Flag("value").Changed { values := kcmdutil.GetFlagStringSlice(cmd, "value") injectUserVars(values, out, obj) } injectUserVars(valueArgs, out, obj) resultObj, err := client.TemplateConfigs(namespace).Create(obj) if err != nil { fmt.Fprintf(cmd.Out(), "error processing the template %q: %v\n", obj.Name, err) continue } if outputFormat == "describe" { if s, err := (&describe.TemplateDescriber{ MetadataAccessor: meta.NewAccessor(), ObjectTyper: kapi.Scheme, ObjectDescriber: nil, }).DescribeTemplate(resultObj); err != nil { fmt.Fprintf(cmd.Out(), "error describing %q: %v\n", obj.Name, err) } else { fmt.Fprintf(out, s) } continue } objects = append(objects, resultObj.Objects...) } // Do not print the processed templates when asked to only show parameters or // describe. if kcmdutil.GetFlagBool(cmd, "parameters") || outputFormat == "describe" { return nil } p, _, err := kubectl.GetPrinter(outputFormat, "") if err != nil { return err } gv := mapping.GroupVersionKind.GroupVersion() version, err := kcmdutil.OutputVersion(cmd, &gv) if err != nil { return err } p = kubectl.NewVersionedPrinter(p, kapi.Scheme, version) // use generic output if kcmdutil.GetFlagBool(cmd, "raw") { for i := range objects { p.PrintObj(objects[i], out) } return nil } return p.PrintObj(&kapi.List{ ListMeta: unversioned.ListMeta{}, Items: objects, }, out) }
// validate adds one layer of validation prior to calling the upstream // expose command. func validate(cmd *cobra.Command, f *clientcmd.Factory, args []string) error { namespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } _, kc, err := f.Clients() if err != nil { return err } mapper, typer := f.Object(false) r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder()). ContinueOnError(). NamespaceParam(namespace).DefaultNamespace(). FilenameParam(enforceNamespace, false, kcmdutil.GetFlagStringSlice(cmd, "filename")...). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() infos, err := r.Infos() if err != nil { return kcmdutil.UsageError(cmd, err.Error()) } if len(infos) > 1 { return fmt.Errorf("multiple resources provided: %v", args) } info := infos[0] mapping := info.ResourceMapping() generator := kcmdutil.GetFlagString(cmd, "generator") switch mapping.GroupVersionKind.GroupKind() { case kapi.Kind("Service"): switch generator { case "service/v1", "service/v2": // Set default protocol back for generating services if len(kcmdutil.GetFlagString(cmd, "protocol")) == 0 { cmd.Flags().Set("protocol", "TCP") } case "": // Default exposing services as a route generator = "route/v1" cmd.Flags().Set("generator", generator) fallthrough case "route/v1": route, err := cmdutil.UnsecuredRoute(kc, namespace, info.Name, info.Name, kcmdutil.GetFlagString(cmd, "port")) if err != nil { return err } if route.Spec.Port != nil { cmd.Flags().Set("port", route.Spec.Port.TargetPort.String()) } } default: switch generator { case "route/v1": return fmt.Errorf("cannot expose a %s as a route", mapping.GroupVersionKind.Kind) case "": // Default exposing everything except services as a service generator = "service/v2" cmd.Flags().Set("generator", generator) fallthrough case "service/v1", "service/v2": // Set default protocol back for generating services if len(kcmdutil.GetFlagString(cmd, "protocol")) == 0 { cmd.Flags().Set("protocol", "TCP") } } } return nil }
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error { if len(os.Args) > 1 && os.Args[1] == "run-container" { printDeprecationWarning("run", "run-container") } if len(args) == 0 { return cmdutil.UsageError(cmd, "NAME is required for run") } interactive := cmdutil.GetFlagBool(cmd, "stdin") tty := cmdutil.GetFlagBool(cmd, "tty") if tty && !interactive { return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true") } replicas := cmdutil.GetFlagInt(cmd, "replicas") if interactive && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas)) } namespace, _, err := f.DefaultNamespace() if err != nil { return err } restartPolicy, err := getRestartPolicy(cmd, interactive) if err != nil { return err } if restartPolicy != api.RestartPolicyAlways && replicas != 1 { return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas)) } generatorName := cmdutil.GetFlagString(cmd, "generator") if len(generatorName) == 0 { if restartPolicy == api.RestartPolicyAlways { generatorName = "run/v1" } else { generatorName = "run-pod/v1" } } generator, found := f.Generator(generatorName) if !found { return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName)) } names := generator.ParamNames() params := kubectl.MakeParams(cmd, names) params["name"] = args[0] if len(args) > 1 { params["args"] = args[1:] } params["env"] = cmdutil.GetFlagStringSlice(cmd, "env") if cmdutil.GetFlagBool(cmd, "expose") { serviceGenerator := cmdutil.GetFlagString(cmd, "service-generator") if len(serviceGenerator) == 0 { return cmdutil.UsageError(cmd, fmt.Sprintf("No service generator specified")) } if err := generateService(f, cmd, args, serviceGenerator, params, namespace, cmdOut); err != nil { return err } } obj, kind, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace) if err != nil { return err } attachFlag := cmd.Flags().Lookup("attach") attach := cmdutil.GetFlagBool(cmd, "attach") if !attachFlag.Changed && interactive { attach = true } if attach { opts := &AttachOptions{ In: cmdIn, Out: cmdOut, Err: cmdErr, Stdin: interactive, TTY: tty, Attach: &DefaultRemoteAttach{}, } config, err := f.ClientConfig() if err != nil { return err } opts.Config = config client, err := f.Client() if err != nil { return err } opts.Client = client // TODO: this should be abstracted into Factory to support other types switch t := obj.(type) { case *api.ReplicationController: return handleAttachReplicationController(client, t, opts) case *api.Pod: return handleAttachPod(client, t, opts) default: return fmt.Errorf("cannot attach to %s: not implemented", kind) } } outputFormat := cmdutil.GetFlagString(cmd, "output") if outputFormat != "" { return f.PrintObject(cmd, obj, cmdOut) } cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created") return nil }