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: "******"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
}
func RunClusterInfo(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
if len(os.Args) > 1 && os.Args[1] == "clusterinfo" {
printDeprecationWarning("cluster-info", "clusterinfo")
}
client, err := f.ClientConfig()
if err != nil {
return err
}
printService(out, "Kubernetes master", client.Host)
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
cmdNamespace := cmdutil.GetFlagString(cmd, "namespace")
if cmdNamespace == "" {
cmdNamespace = api.NamespaceSystem
}
// TODO use generalized labels once they are implemented (#341)
b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().
SelectorParam("kubernetes.io/cluster-service=true").
ResourceTypeOrNameArgs(false, []string{"services"}...).
Latest()
b.Do().Visit(func(r *resource.Info, err error) error {
if err != nil {
return err
}
services := r.Object.(*api.ServiceList).Items
for _, service := range services {
var link string
if len(service.Status.LoadBalancer.Ingress) > 0 {
ingress := service.Status.LoadBalancer.Ingress[0]
ip := ingress.IP
if ip == "" {
ip = ingress.Hostname
}
for _, port := range service.Spec.Ports {
link += "http://" + ip + ":" + strconv.Itoa(int(port.Port)) + " "
}
} else {
if len(client.GroupVersion.Group) == 0 {
link = client.Host + "/api/" + client.GroupVersion.Version + "/proxy/namespaces/" + service.ObjectMeta.Namespace + "/services/" + service.ObjectMeta.Name
} else {
link = client.Host + "/api/" + client.GroupVersion.Group + "/" + client.GroupVersion.Version + "/proxy/namespaces/" + service.ObjectMeta.Namespace + "/services/" + service.ObjectMeta.Name
}
}
name := service.ObjectMeta.Labels["kubernetes.io/name"]
if len(name) == 0 {
name = service.ObjectMeta.Name
}
printService(out, name, link)
}
return nil
})
out.Write([]byte("\nTo further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.\n"))
return nil
// TODO consider printing more information about cluster
}
// createSecret extracts the kubeconfig for a given cluster and populates
// a secret with that kubeconfig.
func createSecret(hostFactory cmdutil.Factory, clientConfig *clientcmdapi.Config, namespace, contextName, secretName string, dryRun bool) (runtime.Object, error) {
// Minify the kubeconfig to ensure that there is only information
// relevant to the cluster we are registering.
newClientConfig, err := minifyConfig(clientConfig, contextName)
if err != nil {
glog.V(2).Infof("Failed to minify the kubeconfig for the given context %q: %v", contextName, err)
return nil, err
}
// Flatten the kubeconfig to ensure that all the referenced file
// contents are inlined.
err = clientcmdapi.FlattenConfig(newClientConfig)
if err != nil {
glog.V(2).Infof("Failed to flatten the kubeconfig for the given context %q: %v", contextName, err)
return nil, err
}
// Boilerplate to create the secret in the host cluster.
clientset, err := hostFactory.ClientSet()
if err != nil {
glog.V(2).Infof("Failed to serialize the kubeconfig for the given context %q: %v", contextName, err)
return nil, err
}
return util.CreateKubeconfigSecret(clientset, newClientConfig, namespace, secretName, dryRun)
}
func (o *DeleteOptions) Complete(f cmdutil.Factory, out, errOut io.Writer, args []string) error {
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
// Set up client based support.
mapper, typer, err := f.UnstructuredObject()
if err != nil {
return err
}
o.Mapper = mapper
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), unstructured.UnstructuredJSONScheme).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, &o.FilenameOptions).
SelectorParam(o.Selector).
SelectAllParam(o.DeleteAll).
ResourceTypeOrNameArgs(false, args...).RequireObject(false).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
o.Result = r
o.f = f
// Set up writer
o.Out = out
o.ErrOut = errOut
return nil
}
func NewCmdLabel(f *cmdutil.Factory, out io.Writer) *cobra.Command {
options := &LabelOptions{}
// retrieve a list of handled resources from printer as valid args
validArgs := []string{}
p, err := f.Printer(nil, false, false, false, false, []string{})
cmdutil.CheckErr(err)
if p != nil {
validArgs = p.HandledResources()
}
cmd := &cobra.Command{
Use: "label [--overwrite] (-f FILENAME | TYPE NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--resource-version=version]",
Short: "Update the labels on a resource",
Long: fmt.Sprintf(label_long, validation.LabelValueMaxLength),
Example: label_example,
Run: func(cmd *cobra.Command, args []string) {
err := RunLabel(f, out, cmd, args, options)
cmdutil.CheckErr(err)
},
ValidArgs: validArgs,
}
cmdutil.AddPrinterFlags(cmd)
cmd.Flags().Bool("overwrite", false, "If true, allow labels to be overwritten, otherwise reject label updates that overwrite existing labels.")
cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
cmd.Flags().Bool("all", false, "select all resources in the namespace of the specified resource types")
cmd.Flags().String("resource-version", "", "If non-empty, the labels 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 labels"
kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without sending it.")
return cmd
}
func (o *PauseConfig) CompletePause(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string) error {
if len(args) == 0 && len(o.Filenames) == 0 {
return cmdutil.UsageError(cmd, cmd.Use)
}
o.Mapper, o.Typer = f.Object(false)
o.PauseObject = f.PauseObject
o.Out = out
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
r := resource.NewBuilder(o.Mapper, o.Typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, o.Recursive, o.Filenames...).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
o.Infos, err = r.Infos()
if err != nil {
return err
}
return nil
}
func (o *LogsOptions) Complete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
switch len(args) {
case 0:
return cmdutil.UsageError(cmd, "POD is required for log")
case 1:
o.PodName = args[0]
case 2:
o.PodName = args[0]
o.ContainerName = args[1]
default:
return cmdutil.UsageError(cmd, "log POD [CONTAINER]")
}
var err error
o.PodNamespace, _, err = f.DefaultNamespace()
if err != nil {
return err
}
o.Client, err = f.Client()
if err != nil {
return err
}
return nil
}
func NewCmdPull(f *cmdutil.Factory) *cobra.Command {
cmd := &cobra.Command{
Use: "pull [templateNames]",
Short: "Pulls the docker images for the given templates",
Long: `Performs a docker pull on all the docker images referenced in the given templates to preload the local docker registry with images`,
PreRun: func(cmd *cobra.Command, args []string) {
showBanner()
},
Run: func(cmd *cobra.Command, args []string) {
if len(args) < 1 {
util.Error("No template names specified!")
cmd.Usage()
} else {
_, cfg := client.NewClient(f)
oc, _ := client.NewOpenShiftClient(cfg)
ns, _, err := f.DefaultNamespace()
if err != nil {
util.Fatal("No default namespace")
} else {
for _, template := range args {
util.Info("Downloading docker images for template ")
util.Success(template)
util.Info("\n\n")
r, err := downloadTemplateDockerImages(cmd, ns, oc, f, template)
printResult("Download Docker images", r, err)
}
}
}
},
}
return cmd
}
func validateRouter(c *k8sclient.Client, f *cmdutil.Factory) (Result, error) {
ns, _, err := f.DefaultNamespace()
if err != nil {
return Failure, err
}
requirement, err := labels.NewRequirement("router", labels.EqualsOperator, kutil.NewStringSet("router"))
if err != nil {
return Failure, err
}
label := labels.LabelSelector{*requirement}
rc, err := c.ReplicationControllers(ns).List(label)
if err != nil {
util.Fatalf("Failed to get PersistentVolumeClaims, %s in namespace %s\n", err, ns)
}
if rc != nil {
items := rc.Items
if len(items) > 0 {
return Success, err
}
}
//util.Fatalf("No router running in namespace %s\n", ns)
// TODO lets create a router
return Failure, err
}
func NewCmdDelete(f *cmdutil.Factory, out io.Writer) *cobra.Command {
options := &DeleteOptions{}
// retrieve a list of handled resources from printer as valid args
validArgs := []string{}
p, err := f.Printer(nil, false, false, false, false, false, []string{})
cmdutil.CheckErr(err)
if p != nil {
validArgs = p.HandledResources()
}
cmd := &cobra.Command{
Use: "delete ([-f FILENAME] | TYPE [(NAME | -l label | --all)])",
Short: "Delete resources by filenames, stdin, resources and names, or by resources and label selector.",
Long: delete_long,
Example: delete_example,
Run: func(cmd *cobra.Command, args []string) {
cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
err := RunDelete(f, out, cmd, args, options)
cmdutil.CheckErr(err)
},
ValidArgs: validArgs,
}
usage := "Filename, directory, or URL to a file containing the resource to delete."
kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on.")
cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
cmd.Flags().Bool("ignore-not-found", false, "Treat \"resource not found\" as a successful delete. Defaults to \"true\" when --all is specified.")
cmd.Flags().Bool("cascade", true, "If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.")
cmd.Flags().Int("grace-period", -1, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.")
cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
cmdutil.AddOutputFlagsForMutation(cmd)
return cmd
}
func (o *PauseConfig) CompletePause(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string) error {
if len(args) == 0 && len(o.Filenames) == 0 {
return cmdutil.UsageError(cmd, cmd.Use)
}
o.Mapper, o.Typer = f.Object()
o.PauseObject = f.PauseObject
o.Out = out
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
infos, err := resource.NewBuilder(o.Mapper, o.Typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, o.Filenames...).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
Do().Infos()
if err != nil {
return err
}
if len(infos) != 1 {
return fmt.Errorf("rollout pause is only supported on individual resources - %d resources were found", len(infos))
}
o.Info = infos[0]
return nil
}
// NewCmdService looks up the external service address and opens the URL
// Credits: https://github.com/kubernetes/minikube/blob/v0.9.0/cmd/minikube/cmd/service.go
func NewCmdService(f *cmdutil.Factory) *cobra.Command {
cmd := &cobra.Command{
Use: "service",
Short: "Opens the specified Kubernetes service in your browser",
Long: `Opens the specified Kubernetes service in your browser`,
Run: func(cmd *cobra.Command, args []string) {
c, _ := client.NewClient(f)
ns := cmd.Flags().Lookup(namespaceCommandFlag).Value.String()
if ns == "" {
ns, _, _ = f.DefaultNamespace()
}
printURL := cmd.Flags().Lookup(urlCommandFlag).Value.String() == "true"
retry := cmd.Flags().Lookup(retryFlag).Value.String() == "true"
if len(args) == 1 {
openService(ns, args[0], c, printURL, retry)
} else {
util.Fatalf("Please choose a service, found %v arguments\n", len(args))
}
},
}
cmd.PersistentFlags().StringP(namespaceCommandFlag, "n", "default", "The service namespace")
cmd.PersistentFlags().BoolP(urlCommandFlag, "u", false, "Display the kubernetes service exposed URL in the CLI instead of opening it in the default browser")
cmd.PersistentFlags().Bool(retryFlag, true, "Retries to find the service if its not available just yet")
return cmd
}
func RunCreate(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, options *CreateOptions) error {
schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
if err != nil {
return err
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
Schema(schema).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Recursive, options.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
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
return cmdutil.AddSourceToErr("creating", info.Source, err)
}
if cmdutil.ShouldRecord(cmd, info) {
if err := cmdutil.RecordChangeCause(info.Object, f.Command()); err != nil {
return cmdutil.AddSourceToErr("creating", info.Source, err)
}
}
if err := createAndRefresh(info); err != nil {
return cmdutil.AddSourceToErr("creating", info.Source, err)
}
count++
shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
if !shortOutput {
f.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 createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object()
groupVersionKind, err := typer.ObjectKind(obj)
if err != nil {
return nil, "", nil, nil, err
}
if len(overrides) > 0 {
codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.ClientForMapping(mapping)
if err != nil {
return nil, "", nil, nil, 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: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
info, err := resourceMapper.InfoForObject(obj)
if err != nil {
return nil, "", nil, nil, err
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, groupVersionKind.Kind, mapper, mapping, err
}
// RunLog retrieves a pod log
func RunLog(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, p *logParams) error {
if len(os.Args) > 1 && os.Args[1] == "log" {
printDeprecationWarning("logs", "log")
}
if len(args) == 0 {
return cmdutil.UsageError(cmd, "POD is required for log")
}
if len(args) > 2 {
return cmdutil.UsageError(cmd, "log POD [CONTAINER]")
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
podID := args[0]
pod, err := client.Pods(namespace).Get(podID)
if err != nil {
return err
}
// [-c CONTAINER]
container := p.containerName
if len(container) == 0 {
// [CONTAINER] (container as arg not flag) is supported as legacy behavior. See PR #10519 for more details.
if len(args) == 1 {
if len(pod.Spec.Containers) != 1 {
podContainersNames := []string{}
for _, container := range pod.Spec.Containers {
podContainersNames = append(podContainersNames, container.Name)
}
return fmt.Errorf("Pod %s has the following containers: %s; please specify the container to print logs for with -c", pod.ObjectMeta.Name, strings.Join(podContainersNames, ", "))
}
container = pod.Spec.Containers[0].Name
} else {
container = args[1]
}
}
follow := false
if cmdutil.GetFlagBool(cmd, "follow") {
follow = true
}
previous := false
if cmdutil.GetFlagBool(cmd, "previous") {
previous = true
}
return handleLog(client, namespace, podID, container, follow, previous, out)
}
func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object()
version, kind, err := typer.ObjectVersionAndKind(obj)
if err != nil {
return nil, "", nil, nil, err
}
if len(overrides) > 0 {
obj, err = cmdutil.Merge(obj, overrides, kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(kind, version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.RESTClient(mapping)
if err != nil {
return nil, "", nil, nil, 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 nil, "", nil, nil, err
}
// Serialize the configuration into an annotation.
if err := kubectl.UpdateApplyAnnotation(info); err != nil {
return nil, "", nil, nil, err
}
// Serialize the object with the annotation applied.
data, err := mapping.Codec.Encode(info.Object)
if err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, kind, mapper, mapping, err
}