func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
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, filenames...).
SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
ResourceTypeOrNameArgs(false, args...).RequireObject(false).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
ignoreNotFound := cmdutil.GetFlagBool(cmd, "ignore-not-found")
// 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"))
}
return DeleteResult(r, out, ignoreNotFound)
}
func RunWhoAmI(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string, o *WhoAmIOptions) error {
if kcmdutil.GetFlagBool(cmd, "token") {
cfg, err := f.OpenShiftClientConfig.ClientConfig()
if err != nil {
return err
}
if len(cfg.BearerToken) == 0 {
return fmt.Errorf("no token is currently in use for this session")
}
fmt.Fprintf(out, "%s\n", cfg.BearerToken)
return nil
}
if kcmdutil.GetFlagBool(cmd, "context") {
cfg, err := f.OpenShiftClientConfig.RawConfig()
if err != nil {
return err
}
if len(cfg.CurrentContext) == 0 {
return fmt.Errorf("no context has been set")
}
fmt.Fprintf(out, "%s\n", cfg.CurrentContext)
return nil
}
client, _, err := f.Clients()
if err != nil {
return err
}
o.UserInterface = client.Users()
o.Out = out
_, err = o.WhoAmI()
return err
}
// PrinterForMapping returns a printer suitable for displaying the provided resource type.
// Requires that printer flags have been added to cmd (see AddPrinterFlags).
func (f *Factory) PrinterForMapping(cmd *cobra.Command, mapping *meta.RESTMapping) (kubectl.ResourcePrinter, error) {
printer, ok, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return nil, err
}
if ok {
clientConfig, err := f.ClientConfig()
if err != nil {
return nil, err
}
defaultVersion := clientConfig.Version
version := cmdutil.OutputVersion(cmd, defaultVersion)
if len(version) == 0 {
version = mapping.APIVersion
}
if len(version) == 0 {
return nil, fmt.Errorf("you must specify an output-version when using this output format")
}
printer = kubectl.NewVersionedPrinter(printer, mapping.ObjectConvertor, version)
} else {
printer, err = f.Printer(mapping, cmdutil.GetFlagBool(cmd, "no-headers"))
if err != nil {
return nil, err
}
}
return printer, nil
}
func (o *LoginOptions) Complete(f *osclientcmd.Factory, cmd *cobra.Command, args []string) error {
kubeconfig, err := f.OpenShiftClientConfig.RawConfig()
o.StartingKubeConfig = &kubeconfig
if err != nil {
if !os.IsNotExist(err) {
return err
}
// build a valid object to use if we failed on a non-existent file
o.StartingKubeConfig = kclientcmdapi.NewConfig()
}
addr := flagtypes.Addr{Value: "localhost:8443", DefaultScheme: "https", DefaultPort: 8443, AllowPrefix: true}.Default()
if serverFlag := kcmdutil.GetFlagString(cmd, "server"); len(serverFlag) > 0 {
if err := addr.Set(serverFlag); err != nil {
return err
}
o.Server = addr.String()
} else if len(args) == 1 {
if err := addr.Set(args[0]); err != nil {
return err
}
o.Server = addr.String()
} else if len(o.Server) == 0 {
if defaultContext, defaultContextExists := o.StartingKubeConfig.Contexts[o.StartingKubeConfig.CurrentContext]; defaultContextExists {
if cluster, exists := o.StartingKubeConfig.Clusters[defaultContext.Cluster]; exists {
o.Server = cluster.Server
}
}
}
o.CertFile = kcmdutil.GetFlagString(cmd, "client-certificate")
o.KeyFile = kcmdutil.GetFlagString(cmd, "client-key")
o.APIVersion = kcmdutil.GetFlagString(cmd, "api-version")
// if the API version isn't explicitly passed, use the API version from the default context (same rules as the server above)
if len(o.APIVersion) == 0 {
if defaultContext, defaultContextExists := o.StartingKubeConfig.Contexts[o.StartingKubeConfig.CurrentContext]; defaultContextExists {
if cluster, exists := o.StartingKubeConfig.Clusters[defaultContext.Cluster]; exists {
o.APIVersion = cluster.APIVersion
}
}
}
o.CAFile = kcmdutil.GetFlagString(cmd, "certificate-authority")
o.InsecureTLS = kcmdutil.GetFlagBool(cmd, "insecure-skip-tls-verify")
o.Token = kcmdutil.GetFlagString(cmd, "token")
o.DefaultNamespace, _ = f.OpenShiftClientConfig.Namespace()
o.PathOptions = config.NewPathOptions(cmd)
return nil
}
func Run(f *cmdutil.Factory, out 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) != 1 {
return cmdutil.UsageError(cmd, "NAME is required for run")
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generator))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["name"] = args[0]
err = kubectl.ValidateParams(names, params)
if err != nil {
return err
}
controller, err := generator.Generate(params)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
controller, err = cmdutil.Merge(controller, inline, "ReplicationController")
if err != nil {
return err
}
}
// TODO: extract this flag to a central location, when such a location exists.
if !cmdutil.GetFlagBool(cmd, "dry-run") {
controller, err = client.ReplicationControllers(namespace).Create(controller.(*api.ReplicationController))
if err != nil {
return err
}
}
return f.PrintObject(cmd, controller, out)
}
func RunLog(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
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
}
var container string
if len(args) == 1 {
if len(pod.Spec.Containers) != 1 {
return fmt.Errorf("POD %s has more than one container; please specify the container to print logs for", pod.ObjectMeta.Name)
}
container = pod.Spec.Containers[0].Name
} else {
container = args[1]
}
follow := false
if cmdutil.GetFlagBool(cmd, "follow") {
follow = true
}
readCloser, err := client.RESTClient.Get().
Prefix("proxy").
Resource("nodes").
Name(pod.Spec.Host).
Suffix("containerLogs", namespace, podID, container).
Param("follow", strconv.FormatBool(follow)).
Stream()
if err != nil {
return err
}
defer readCloser.Close()
_, err = io.Copy(out, readCloser)
return err
}
func RunStop(f *cmdutil.Factory, cmd *cobra.Command, args []string, filenames util.StringList, out io.Writer) error {
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().
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()
}
return ReapResult(r, f, out, false, cmdutil.GetFlagBool(cmd, "ignore-not-found"), cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
}
func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList, shortOutput bool) 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, filenames...).
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
}
}
// 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 RunLog(f *Factory, out io.Writer, cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return util.UsageError(cmd, "POD is required for log")
}
if len(args) > 2 {
return util.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
}
var container string
if len(args) == 1 {
} else {
container = args[1]
}
follow := false
if util.GetFlagBool(cmd, "follow") {
follow = true
}
readCloser, err := client.RESTClient.Get().
Prefix("proxy").
Resource("minions").
Name(pod.Status.Host).
Suffix("containerLogs", namespace, podID, container).
Param("follow", strconv.FormatBool(follow)).
Stream()
if err != nil {
return err
}
defer readCloser.Close()
_, err = io.Copy(out, readCloser)
return err
}
func RunReplace(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
if 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")
if len(filenames) == 0 {
return cmdutil.UsageError(cmd, "Must specify --filename to replace")
}
if force {
return forceReplace(f, out, cmd, args, filenames)
}
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) error {
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)
fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
return nil
})
}
func RunVersion(f *Factory, out io.Writer, cmd *cobra.Command) error {
if util.GetFlagBool(cmd, "client") {
kubectl.GetClientVersion(out)
return nil
}
client, err := f.Client()
if err != nil {
return err
}
kubectl.GetVersion(out, client)
return nil
}
func RunLabel(f *Factory, out io.Writer, cmd *cobra.Command, args []string) error {
if len(args) < 2 {
return util.UsageError(cmd, "<resource> <name> is required")
}
if len(args) < 3 {
return util.UsageError(cmd, "at least one label update is required.")
}
res := args[:2]
cmdNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, _ := f.Object()
// TODO: use resource.Builder instead
mapping, namespace, name, err := util.ResourceFromArgs(cmd, res, mapper, cmdNamespace)
if err != nil {
return err
}
client, err := f.RESTClient(mapping)
if err != nil {
return err
}
labels, remove, err := parseLabels(args[2:])
if err != nil {
return err
}
overwrite := util.GetFlagBool(cmd, "overwrite")
resourceVersion := util.GetFlagString(cmd, "resource-version")
obj, err := updateObject(client, mapping, namespace, name, func(obj runtime.Object) (runtime.Object, error) {
outObj, err := labelFunc(obj, overwrite, resourceVersion, labels, remove)
if err != nil {
return nil, err
}
return outObj, nil
})
if err != nil {
return err
}
printer, err := f.PrinterForMapping(cmd, mapping)
if err != nil {
return err
}
printer.PrintObj(obj, out)
return nil
}
// validateFlags filters out flags that are not supposed to be used
// when exposing a resource; depends on the provided generator
func validateFlags(cmd *cobra.Command, generator string) error {
invalidFlags := []string{}
if generator == "service/v1" {
if len(cmdutil.GetFlagString(cmd, "hostname")) != 0 {
invalidFlags = append(invalidFlags, "--hostname")
}
} else if generator == "route/v1" {
if len(cmdutil.GetFlagString(cmd, "protocol")) != 0 {
invalidFlags = append(invalidFlags, "--protocol")
}
if len(cmdutil.GetFlagString(cmd, "type")) != 0 {
invalidFlags = append(invalidFlags, "--type")
}
if len(cmdutil.GetFlagString(cmd, "selector")) != 0 {
invalidFlags = append(invalidFlags, "--selector")
}
if len(cmdutil.GetFlagString(cmd, "container-port")) != 0 {
invalidFlags = append(invalidFlags, "--container-port")
}
if len(cmdutil.GetFlagString(cmd, "target-port")) != 0 {
invalidFlags = append(invalidFlags, "--target-port")
}
if len(cmdutil.GetFlagString(cmd, "public-ip")) != 0 {
invalidFlags = append(invalidFlags, "--public-ip")
}
if cmdutil.GetFlagInt(cmd, "port") != -1 {
invalidFlags = append(invalidFlags, "--port")
}
if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
invalidFlags = append(invalidFlags, "--create-external-load-balancer")
}
}
msg := ""
switch len(invalidFlags) {
case 0:
return nil
case 1:
msg = invalidFlags[0]
default:
commaSeparated, last := invalidFlags[:len(invalidFlags)-1], invalidFlags[len(invalidFlags)-1]
msg = fmt.Sprintf("%s or %s", strings.Join(commaSeparated, ", "), last)
}
return fmt.Errorf("cannot use %s when generating a %s", msg, strings.Split(generator, "/")[0])
}
func RunProxy(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
port := cmdutil.GetFlagInt(cmd, "port")
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
staticPrefix := cmdutil.GetFlagString(cmd, "www-prefix")
if !strings.HasSuffix(staticPrefix, "/") {
staticPrefix += "/"
}
apiProxyPrefix := cmdutil.GetFlagString(cmd, "api-prefix")
if !strings.HasSuffix(apiProxyPrefix, "/") {
apiProxyPrefix += "/"
}
filter := &kubectl.FilterServer{
AcceptPaths: kubectl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "accept-paths")),
RejectPaths: kubectl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "reject-paths")),
AcceptHosts: kubectl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "accept-hosts")),
}
if cmdutil.GetFlagBool(cmd, "disable-filter") {
glog.Warning("Request filter disabled, your proxy is vulnerable to XSRF attacks, please be cautious")
filter = nil
}
server, err := kubectl.NewProxyServer(port, cmdutil.GetFlagString(cmd, "www"), apiProxyPrefix, staticPrefix, filter, clientConfig)
if err != nil {
return err
}
// Separate listening from serving so we can report the bound port
// when it is chosen by os (port == 0)
l, err := server.Listen()
if err != nil {
glog.Fatal(err)
}
fmt.Fprintf(out, "Starting to serve on %s", l.Addr().String())
glog.Fatal(server.ServeOnListener(l))
return nil
}
func (f *Factory) NewCmdStop(out io.Writer) *cobra.Command {
flags := &struct {
Filenames util.StringList
}{}
cmd := &cobra.Command{
Use: "stop (-f FILENAME | RESOURCE (ID | -l label | --all))",
Short: "Gracefully shut down a resource by id or filename.",
Long: stop_long,
Example: stop_example,
Run: func(cmd *cobra.Command, args []string) {
cmdNamespace, err := f.DefaultNamespace()
cmdutil.CheckErr(err)
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand(cmd)).
ContinueOnError().
NamespaceParam(cmdNamespace).RequireNamespace().
ResourceTypeOrNameArgs(false, args...).
FilenameParam(flags.Filenames...).
SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
Flatten().
Do()
cmdutil.CheckErr(r.Err())
r.Visit(func(info *resource.Info) error {
reaper, err := f.Reaper(info.Mapping)
cmdutil.CheckErr(err)
s, err := reaper.Stop(info.Namespace, info.Name)
if err != nil {
return err
}
fmt.Fprintf(out, "%s\n", s)
return nil
})
},
}
cmd.Flags().VarP(&flags.Filenames, "filename", "f", "Filename, directory, or URL to file of resource(s) to be stopped")
cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
cmd.Flags().Bool("all", false, "[-all] to select all the specified resources")
return cmd
}
func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
cmdNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(filenames...).
SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
ResourceTypeOrNameArgs(false, args...).RequireObject(false).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
found := 0
err = r.IgnoreErrors(errors.IsNotFound).Visit(func(r *resource.Info) error {
found++
if err := resource.NewHelper(r.Client, r.Mapping).Delete(r.Namespace, r.Name); err != nil {
return err
}
fmt.Fprintf(out, "%s/%s\n", r.Mapping.Resource, r.Name)
return nil
})
if err != nil {
return err
}
if found == 0 {
fmt.Fprintf(cmd.Out(), "No resources found\n")
}
return nil
}
func RunProxy(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
port := cmdutil.GetFlagInt(cmd, "port")
fmt.Fprintf(out, "Starting to serve on localhost:%d", port)
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
staticPrefix := cmdutil.GetFlagString(cmd, "www-prefix")
if !strings.HasSuffix(staticPrefix, "/") {
staticPrefix += "/"
}
apiProxyPrefix := cmdutil.GetFlagString(cmd, "api-prefix")
if !strings.HasSuffix(apiProxyPrefix, "/") {
apiProxyPrefix += "/"
}
filter := &kubectl.FilterServer{
AcceptPaths: kubectl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "accept-paths")),
RejectPaths: kubectl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "reject-paths")),
AcceptHosts: kubectl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "accept-hosts")),
}
if cmdutil.GetFlagBool(cmd, "disable-filter") {
glog.Warning("Request filter disabled, your proxy is vulnerable to XSRF attacks, please be cautious")
filter = nil
}
server, err := kubectl.NewProxyServer(cmdutil.GetFlagString(cmd, "www"), apiProxyPrefix, staticPrefix, filter, clientConfig)
if err != nil {
return err
}
glog.Fatal(server.Serve(port))
return nil
}
func RunRollingUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
if os.Args[1] == "rollingupdate" {
printDeprecationWarning("rolling-update", "rollingupdate")
}
deploymentKey, filename, image, oldName, err := validateArguments(cmd, args)
if err != nil {
return err
}
period := cmdutil.GetFlagDuration(cmd, "update-period")
interval := cmdutil.GetFlagDuration(cmd, "poll-interval")
timeout := cmdutil.GetFlagDuration(cmd, "timeout")
dryrun := cmdutil.GetFlagBool(cmd, "dry-run")
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
updaterClient := kubectl.NewRollingUpdaterClient(client)
var newRc *api.ReplicationController
// fetch rc
oldRc, err := client.ReplicationControllers(cmdNamespace).Get(oldName)
if err != nil {
if !errors.IsNotFound(err) || len(image) == 0 || len(args) > 1 {
return err
}
// We're in the middle of a rename, look for an RC with a source annotation of oldName
newRc, err := kubectl.FindSourceController(updaterClient, cmdNamespace, oldName)
if err != nil {
return err
}
return kubectl.Rename(kubectl.NewRollingUpdaterClient(client), newRc, oldName)
}
var keepOldName bool
var replicasDefaulted bool
mapper, typer := f.Object()
if len(filename) != 0 {
schema, err := f.Validator()
if err != nil {
return err
}
request := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
Schema(schema).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, filename).
Do()
obj, err := request.Object()
if err != nil {
return err
}
var ok bool
// Handle filename input from stdin. The resource builder always returns an api.List
// when creating resource(s) from a stream.
if list, ok := obj.(*api.List); ok {
if len(list.Items) > 1 {
return cmdutil.UsageError(cmd, "%s specifies multiple items", filename)
}
obj = list.Items[0]
}
newRc, ok = obj.(*api.ReplicationController)
if !ok {
if _, kind, err := typer.ObjectVersionAndKind(obj); err == nil {
return cmdutil.UsageError(cmd, "%s contains a %s not a ReplicationController", filename, kind)
}
glog.V(4).Infof("Object %#v is not a ReplicationController", obj)
return cmdutil.UsageError(cmd, "%s does not specify a valid ReplicationController", filename)
}
infos, err := request.Infos()
if err != nil || len(infos) != 1 {
glog.V(2).Infof("was not able to recover adequate information to discover if .spec.replicas was defaulted")
} else {
replicasDefaulted = isReplicasDefaulted(infos[0])
}
}
// If the --image option is specified, we need to create a new rc with at least one different selector
// than the old rc. This selector is the hash of the rc, which will differ because the new rc has a
// different image.
if len(image) != 0 {
keepOldName = len(args) == 1
newName := findNewName(args, oldRc)
if newRc, err = kubectl.LoadExistingNextReplicationController(client, cmdNamespace, newName); err != nil {
return err
}
if newRc != nil {
fmt.Fprintf(out, "Found existing update in progress (%s), resuming.\n", newRc.Name)
} else {
newRc, err = kubectl.CreateNewControllerFromCurrentController(client, cmdNamespace, oldName, newName, image, deploymentKey)
if err != nil {
return err
}
}
// Update the existing replication controller with pointers to the 'next' controller
// and adding the <deploymentKey> label if necessary to distinguish it from the 'next' controller.
oldHash, err := api.HashObject(oldRc, client.Codec)
if err != nil {
return err
}
oldRc, err = kubectl.UpdateExistingReplicationController(client, oldRc, cmdNamespace, newRc.Name, deploymentKey, oldHash, out)
if err != nil {
return err
}
}
if oldName == newRc.Name {
return cmdutil.UsageError(cmd, "%s cannot have the same name as the existing ReplicationController %s",
filename, oldName)
}
updater := kubectl.NewRollingUpdater(newRc.Namespace, updaterClient)
// To successfully pull off a rolling update the new and old rc have to differ
// by at least one selector. Every new pod should have the selector and every
// old pod should not have the selector.
var hasLabel bool
for key, oldValue := range oldRc.Spec.Selector {
if newValue, ok := newRc.Spec.Selector[key]; ok && newValue != oldValue {
hasLabel = true
break
}
}
if !hasLabel {
return cmdutil.UsageError(cmd, "%s must specify a matching key with non-equal value in Selector for %s",
filename, oldName)
}
// TODO: handle scales during rolling update
if replicasDefaulted {
newRc.Spec.Replicas = oldRc.Spec.Replicas
}
if dryrun {
oldRcData := &bytes.Buffer{}
if err := f.PrintObject(cmd, oldRc, oldRcData); err != nil {
return err
}
newRcData := &bytes.Buffer{}
if err := f.PrintObject(cmd, newRc, newRcData); err != nil {
return err
}
fmt.Fprintf(out, "Rolling from:\n%s\nTo:\n%s\n", string(oldRcData.Bytes()), string(newRcData.Bytes()))
return nil
}
updateCleanupPolicy := kubectl.DeleteRollingUpdateCleanupPolicy
if keepOldName {
updateCleanupPolicy = kubectl.RenameRollingUpdateCleanupPolicy
}
config := &kubectl.RollingUpdaterConfig{
Out: out,
OldRc: oldRc,
NewRc: newRc,
UpdatePeriod: period,
Interval: interval,
Timeout: timeout,
CleanupPolicy: updateCleanupPolicy,
}
if cmdutil.GetFlagBool(cmd, "rollback") {
kubectl.AbortRollingUpdate(config)
client.ReplicationControllers(config.NewRc.Namespace).Update(config.NewRc)
}
err = updater.Update(config)
if err != nil {
return err
}
if keepOldName {
fmt.Fprintf(out, "%s\n", oldName)
} else {
fmt.Fprintf(out, "%s\n", newRc.Name)
}
return nil
}
// NewCmdRollback creates a CLI rollback command.
func NewCmdRollback(fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
rollback := &deployapi.DeploymentConfigRollback{
Spec: deployapi.DeploymentConfigRollbackSpec{
IncludeTemplate: true,
},
}
cmd := &cobra.Command{
Use: "rollback DEPLOYMENT",
Short: "Revert part of an application back to a previous deployment",
Long: rollbackLong,
Example: fmt.Sprintf(rollbackExample, fullName),
Run: func(cmd *cobra.Command, args []string) {
// Validate arguments
if len(args) == 0 || len(args[0]) == 0 {
cmdutil.CheckErr(cmdutil.UsageError(cmd, "A deployment name is required."))
}
// Extract arguments
format := cmdutil.GetFlagString(cmd, "output")
template := cmdutil.GetFlagString(cmd, "template")
dryRun := cmdutil.GetFlagBool(cmd, "dry-run")
// Get globally provided stuff
namespace, err := f.DefaultNamespace()
cmdutil.CheckErr(err)
oClient, kClient, err := f.Clients()
cmdutil.CheckErr(err)
// Set up the rollback config
rollback.Spec.From.Name = args[0]
// Make a helper and generate a rolled back config
helper := newHelper(oClient, kClient)
config, err := helper.Generate(namespace, rollback)
cmdutil.CheckErr(err)
// If this is a dry run, print and exit
if dryRun {
err := helper.Describe(config, out)
cmdutil.CheckErr(err)
return
}
// If an output format is specified, print and exit
if len(format) > 0 {
err := helper.Print(config, format, template, out)
cmdutil.CheckErr(err)
return
}
// Perform the rollback
rolledback, err := helper.Update(config)
cmdutil.CheckErr(err)
// Notify the user of any disabled image triggers
fmt.Fprintf(out, "#%d rolled back to %s\n", rolledback.LatestVersion, rollback.Spec.From.Name)
for _, trigger := range rolledback.Triggers {
disabled := []string{}
if trigger.Type == deployapi.DeploymentTriggerOnImageChange && !trigger.ImageChangeParams.Automatic {
disabled = append(disabled, trigger.ImageChangeParams.From.Name)
}
if len(disabled) > 0 {
reenable := fmt.Sprintf("%s deploy %s --enable-triggers", fullName, rolledback.Name)
fmt.Fprintf(cmd.Out(), "Warning: the following images triggers were disabled: %s\n You can re-enable them with: %s\n", strings.Join(disabled, ","), reenable)
}
}
},
}
cmd.Flags().BoolVar(&rollback.Spec.IncludeTriggers, "change-triggers", false, "Include the previous deployment's triggers in the rollback")
cmd.Flags().BoolVar(&rollback.Spec.IncludeStrategy, "change-strategy", false, "Include the previous deployment's strategy in the rollback")
cmd.Flags().BoolVar(&rollback.Spec.IncludeReplicationMeta, "change-scaling-settings", false, "Include the previous deployment's replicationController replica count and selector in the rollback")
cmd.Flags().BoolP("dry-run", "d", false, "Instead of performing the rollback, describe what the rollback will look like in human-readable form")
cmd.Flags().StringP("output", "o", "", "Instead of performing the rollback, print the updated deployment configuration in the specified format (json|yaml|template|templatefile)")
cmd.Flags().StringP("template", "t", "", "Template string or path to template file to use when -o=template or -o=templatefile.")
return cmd
}
func RunExec(f *Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
podName := util.GetFlagString(cmd, "pod")
if len(podName) == 0 {
return util.UsageError(cmd, "POD is required for exec")
}
if len(args) < 1 {
return util.UsageError(cmd, "COMMAND is required for exec")
}
namespace, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
pod, err := client.Pods(namespace).Get(podName)
if err != nil {
return err
}
if pod.Status.Phase != api.PodRunning {
glog.Fatalf("Unable to execute command because pod is not running. Current status=%v", pod.Status.Phase)
}
containerName := util.GetFlagString(cmd, "container")
if len(containerName) == 0 {
containerName = pod.Spec.Containers[0].Name
}
var stdin io.Reader
tty := util.GetFlagBool(cmd, "tty")
if util.GetFlagBool(cmd, "stdin") {
stdin = cmdIn
if tty {
if file, ok := cmdIn.(*os.File); ok {
inFd := file.Fd()
if term.IsTerminal(inFd) {
oldState, err := term.SetRawTerminal(inFd)
if err != nil {
glog.Fatal(err)
}
// this handles a clean exit, where the command finished
defer term.RestoreTerminal(inFd, oldState)
// SIGINT is handled by term.SetRawTerminal (it runs a goroutine that listens
// for SIGINT and restores the terminal before exiting)
// this handles SIGTERM
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGTERM)
go func() {
<-sigChan
term.RestoreTerminal(inFd, oldState)
os.Exit(0)
}()
} else {
glog.Warning("Stdin is not a terminal")
}
} else {
tty = false
glog.Warning("Unable to use a TTY")
}
}
}
config, err := f.ClientConfig()
if err != nil {
return err
}
req := client.RESTClient.Get().
Prefix("proxy").
Resource("minions").
Name(pod.Status.Host).
Suffix("exec", namespace, podName, containerName)
e := remotecommand.New(req, config, args, stdin, cmdOut, cmdErr, tty)
return e.Execute()
}
// RunBuildChain contains all the necessary functionality for the OpenShift
// experimental build-chain command
func RunBuildChain(f *clientcmd.Factory, cmd *cobra.Command, args []string) error {
all := cmdutil.GetFlagBool(cmd, "all")
allTags := cmdutil.GetFlagBool(cmd, "all-tags")
if len(args) > 1 ||
(len(args) == 1 && all) ||
(len(args) == 0 && allTags) ||
(all && allTags) {
return cmdutil.UsageError(cmd, "Must pass nothing, an ImageStream name:tag combination, or specify the --all flag")
}
oc, _, err := f.Clients()
if err != nil {
return err
}
// Retrieve namespace(s)
namespace := cmdutil.GetFlagString(cmd, "namespace")
if len(namespace) == 0 {
namespace, err = f.DefaultNamespace()
if err != nil {
return err
}
}
namespaces := make([]string, 0)
if all {
projectList, err := oc.Projects().List(labels.Everything(), fields.Everything())
if err != nil {
return err
}
for _, project := range projectList.Items {
glog.V(4).Infof("Found namespace %s", project.Name)
namespaces = append(namespaces, project.Name)
}
}
if len(namespaces) == 0 {
namespaces = append(namespaces, namespace)
}
// Get all build configurations
buildConfigList := make([]buildapi.BuildConfig, 0)
for _, namespace := range namespaces {
cfgList, err := oc.BuildConfigs(namespace).List(labels.Everything(), fields.Everything())
if err != nil {
return err
}
buildConfigList = append(buildConfigList, cfgList.Items...)
}
// Parse user input and validate specified image stream
streams := make(map[string][]string)
if !all && len(args) != 0 {
name, specifiedTag, err := parseTag(args[0])
if err != nil {
return err
}
// Validate the specified image stream
is, err := oc.ImageStreams(namespace).Get(name)
if err != nil {
return err
}
stream := join(namespace, name)
// Validate specified tag
tags := make([]string, 0)
exists := false
for tag := range is.Status.Tags {
tags = append(tags, tag)
if specifiedTag == tag {
exists = true
}
}
if !exists && !allTags {
// The specified tag isn't a part of our image stream
return fmt.Errorf("no tag %s exists in %s", specifiedTag, stream)
} else if !allTags {
// Use only the specified tag
tags = []string{specifiedTag}
}
// Set the specified stream as the only one to output dependencies for
streams[stream] = tags
} else {
streams = getStreams(buildConfigList)
}
if len(streams) == 0 {
return fmt.Errorf("no ImageStream available for building its dependency tree")
}
output := cmdutil.GetFlagString(cmd, "output")
for stream, tags := range streams {
for _, tag := range tags {
glog.V(4).Infof("Checking dependencies of stream %s tag %s", stream, tag)
root, err := findStreamDeps(stream, tag, buildConfigList)
if err != nil {
return err
}
// Check if the given image stream doesn't have any dependencies
if treeSize(root) < 2 {
glog.Infof("%s:%s has no dependencies\n", root.FullName, tag)
continue
}
switch output {
case "json":
jsonDump, err := json.MarshalIndent(root, "", "\t")
if err != nil {
return err
}
fmt.Println(string(jsonDump))
case "dot":
g := dot.NewGraph()
_, name, err := split(stream)
if err != nil {
return err
}
graphName := validDOT(name)
g.SetName(graphName)
// Directed graph since we illustrate dependencies
g.SetDir(true)
// Explicitly allow multiple pairs of edges between
// the same pair of nodes
g.SetStrict(false)
out, err := dotDump(root, g, graphName)
if err != nil {
return err
}
fmt.Println(out)
case "ast":
fmt.Println(root)
default:
return cmdutil.UsageError(cmd, "Wrong output format specified: %s", output)
}
}
}
return nil
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
mapping, err := r.ResourceMapping()
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]
// 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 || len(s) == 0 || cmdutil.GetFlagInt(cmd, "port") < 1 {
if len(s) == 0 {
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 len(params["labels"]) == 0 {
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{typer, mapper, 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)
}
func forceReplace(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
schema, err := f.Validator()
if err != nil {
return err
}
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, filenames...).
ResourceTypeOrNameArgs(false, args...).RequireObject(false).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
//Replace will create a resource if it doesn't exist already, so ignore not found error
ignoreNotFound := true
// By default use a reaper to delete all related resources.
if cmdutil.GetFlagBool(cmd, "cascade") {
glog.Warningf("\"cascade\" is set, kubectl will delete and re-create all resources managed by this resource (e.g. Pods created by a ReplicationController). Consider using \"kubectl rolling-update\" if you want to update a ReplicationController together with its Pods.")
err = ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
} else {
err = DeleteResult(r, out, ignoreNotFound)
}
if err != nil {
return err
}
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) error {
data, err := info.Mapping.Codec.Encode(info.Object)
if err != nil {
return err
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, data)
if err != nil {
return err
}
count++
info.Refresh(obj, true)
printObjectSpecificMessage(obj, out)
fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
return nil
})
if err != nil {
return err
}
if count == 0 {
return fmt.Errorf("no objects passed to replace")
}
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 {
storedTemplate := ""
if len(args) > 0 {
storedTemplate = args[0]
}
filename := kcmdutil.GetFlagString(cmd, "filename")
if len(storedTemplate) == 0 && len(filename) == 0 {
return kcmdutil.UsageError(cmd, "Must pass a filename or name of stored template")
}
namespace, 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 *meta.RESTMapping
)
version, kind, err := mapper.VersionAndKindForResource("template")
if mapping, err = mapper.RESTMapping(kind, version); err != nil {
return err
}
// When storedTemplate is not empty, then we fetch the template from the
// server, otherwise we require to set the `-f` parameter.
if len(storedTemplate) > 0 {
templateObj, err := client.Templates(namespace).Get(storedTemplate)
if err != nil {
if errors.IsNotFound(err) {
return fmt.Errorf("template %q could not be found", storedTemplate)
}
return err
}
templateObj.CreationTimestamp = util.Now()
infos = append(infos, &resource.Info{Object: templateObj})
} else {
infos, err = resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(namespace).RequireNamespace().
FilenameParam(filename).
Do().
Infos()
if err != nil {
return err
}
}
outputFormat := kcmdutil.GetFlagString(cmd, "output")
for i := range infos {
obj, ok := infos[i].Object.(*api.Template)
if !ok {
sourceName := filename
if len(storedTemplate) > 0 {
sourceName = namespace + "/" + storedTemplate
}
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 {
injectUserVars(cmd, 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
}
p = kubectl.NewVersionedPrinter(p, kapi.Scheme, kcmdutil.OutputVersion(cmd, mapping.APIVersion))
// 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: kapi.ListMeta{},
Items: objects,
}, out)
}
func RunExport(f *clientcmd.Factory, exporter Exporter, in io.Reader, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
selector := cmdutil.GetFlagString(cmd, "selector")
all := cmdutil.GetFlagBool(cmd, "all")
exact := cmdutil.GetFlagBool(cmd, "exact")
asTemplate := cmdutil.GetFlagString(cmd, "as-template")
raw := cmdutil.GetFlagBool(cmd, "raw")
if exact && raw {
return cmdutil.UsageError(cmd, "--exact and --raw may not both be specified")
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
outputVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)
cmdNamespace, explicit, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(explicit, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(all, args...).
Flatten()
one := false
infos, err := b.Do().IntoSingular(&one).Infos()
if err != nil {
return err
}
if len(infos) == 0 {
return fmt.Errorf("no resources found - nothing to export")
}
if !raw {
newInfos := []*resource.Info{}
errs := []error{}
for _, info := range infos {
if err := exporter.Export(info.Object, exact); err != nil {
if err == ErrExportOmit {
continue
}
errs = append(errs, err)
}
newInfos = append(newInfos, info)
}
if len(errs) > 0 {
return utilerrors.NewAggregate(errs)
}
infos = newInfos
}
var result runtime.Object
if len(asTemplate) > 0 {
objects, err := resource.AsVersionedObjects(infos, outputVersion)
if err != nil {
return err
}
template := &templateapi.Template{
Objects: objects,
}
template.Name = asTemplate
result, err = kapi.Scheme.ConvertToVersion(template, outputVersion)
if err != nil {
return err
}
} else {
object, err := resource.AsVersionedObject(infos, !one, outputVersion)
if err != nil {
return err
}
result = object
}
// use YAML as the default format
outputFormat := cmdutil.GetFlagString(cmd, "output")
templateFile := cmdutil.GetFlagString(cmd, "template")
if len(outputFormat) == 0 && len(templateFile) != 0 {
outputFormat = "template"
}
if len(outputFormat) == 0 {
outputFormat = "yaml"
}
p, _, err := kubectl.GetPrinter(outputFormat, templateFile)
if err != nil {
return err
}
return p.PrintObj(result, out)
}
// 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, _, err := f.DefaultNamespace()
if err != nil {
return err
}
if len(args) == 0 {
fmt.Fprint(out, `
You must specify the type of resource to get. Valid resource types include:
* pods (aka 'po')
* replicationcontrollers (aka 'rc')
* services
* nodes (aka 'no')
* events (aka 'ev')
* secrets
* limits
* persistentVolumes (aka 'pv')
* persistentVolumeClaims (aka 'pvc')
* quota
`)
return errors.New("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).
SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Do()
if err != nil {
return err
}
mapping, err := r.ResourceMapping()
if err != nil {
return err
}
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).
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)
})
}
// RunEnv contains all the necessary functionality for the OpenShift cli env command
func RunEnv(f *clientcmd.Factory, in io.Reader, out io.Writer, cmd *cobra.Command, args []string, envParams, filenames kutil.StringList) error {
resources, envArgs := []string{}, []string{}
first := true
for _, s := range args {
isEnv := strings.Contains(s, "=") || strings.HasSuffix(s, "-")
switch {
case first && isEnv:
first = false
fallthrough
case !first && isEnv:
envArgs = append(envArgs, s)
case first && !isEnv:
resources = append(resources, s)
case !first && !isEnv:
return cmdutil.UsageError(cmd, "all resources must be specified before environment changes: %s", s)
}
}
if len(filenames) == 0 && len(resources) < 1 {
return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>")
}
containerMatch := cmdutil.GetFlagString(cmd, "containers")
list := cmdutil.GetFlagBool(cmd, "list")
selector := cmdutil.GetFlagString(cmd, "selector")
all := cmdutil.GetFlagBool(cmd, "all")
//overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
outputFormat := cmdutil.GetFlagString(cmd, "output")
if list && len(outputFormat) > 0 {
return cmdutil.UsageError(cmd, "--list and --output may not be specified together")
}
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
outputVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)
cmdNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
env, remove, err := parseEnv(append(envParams, envArgs...), in)
if err != nil {
return err
}
mapper, typer := f.Object()
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(all, resources...).
Flatten()
one := false
infos, err := b.Do().IntoSingular(&one).Infos()
if 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")
}
skipped := 0
for _, info := range infos {
ok, err := f.UpdatePodSpecForObject(info.Object, func(spec *kapi.PodSpec) error {
containers, _ := selectContainers(spec.Containers, containerMatch)
if len(containers) == 0 {
fmt.Fprintf(cmd.Out(), "warning: %s/%s does not have any containers matching %q\n", info.Mapping.Resource, info.Name, containerMatch)
return nil
}
for _, c := range containers {
c.Env = updateEnv(c.Env, env, remove)
if list {
fmt.Fprintf(out, "# %s %s, container %s\n", info.Mapping.Resource, info.Name, c.Name)
for _, env := range c.Env {
// if env.ValueFrom != nil && env.ValueFrom.FieldRef != nil {
// fmt.Fprintf(cmd.Out(), "%s= # calculated from pod %s %s\n", env.Name, env.ValueFrom.FieldRef.FieldPath, env.ValueFrom.FieldRef.APIVersion)
// continue
// }
fmt.Fprintf(out, "%s=%s\n", env.Name, env.Value)
}
}
}
return nil
})
if !ok {
skipped++
continue
}
if err != nil {
fmt.Fprintf(cmd.Out(), "error: %s/%s %v\n", info.Mapping.Resource, info.Name, err)
continue
}
}
if one && skipped == len(infos) {
return fmt.Errorf("the %s %s is not a pod or does not have a pod template", infos[0].Mapping.Resource, infos[0].Name)
}
if list {
return nil
}
objects, err := resource.AsVersionedObject(infos, false, outputVersion)
if err != nil {
return err
}
if len(outputFormat) != 0 {
p, _, err := kubectl.GetPrinter(outputFormat, "")
if err != nil {
return err
}
return p.PrintObj(objects, out)
}
failed := false
for _, info := range infos {
data, err := info.Mapping.Codec.Encode(info.Object)
if err != nil {
fmt.Fprintf(cmd.Out(), "Error: %v\n", err)
failed = true
continue
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Update(info.Namespace, info.Name, true, data)
if err != nil {
handlePodUpdateError(cmd.Out(), err, "environment variables")
failed = true
continue
}
info.Refresh(obj, true)
fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
}
if failed {
return errExit
}
return nil
}
// RunCancelBuild contains all the necessary functionality for the OpenShift cli cancel-build command
func RunCancelBuild(f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
if len(args) == 0 || len(args[0]) == 0 {
return cmdutil.UsageError(cmd, "You must specify the name of a build to cancel.")
}
buildName := args[0]
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
client, _, err := f.Clients()
if err != nil {
return err
}
buildClient := client.Builds(namespace)
build, err := buildClient.Get(buildName)
if err != nil {
return err
}
if !isBuildCancellable(build) {
return nil
}
// Print build logs before cancelling build.
if cmdutil.GetFlagBool(cmd, "dump-logs") {
opts := buildapi.BuildLogOptions{
NoWait: true,
Follow: false,
}
response, err := client.BuildLogs(namespace).Get(buildName, opts).Do().Raw()
if err != nil {
glog.Errorf("Could not fetch build logs for %s: %v", buildName, err)
} else {
glog.Infof("Build logs for %s:\n%v", buildName, string(response))
}
}
// Mark build to be cancelled.
for {
build.Status.Cancelled = true
if _, err = buildClient.Update(build); err != nil && errors.IsConflict(err) {
build, err = buildClient.Get(buildName)
if err != nil {
return err
}
continue
}
if err != nil {
return err
}
break
}
glog.V(2).Infof("Build %s was cancelled.", buildName)
// Create a new build with the same configuration.
if cmdutil.GetFlagBool(cmd, "restart") {
request := &buildapi.BuildRequest{
ObjectMeta: kapi.ObjectMeta{Name: build.Name},
}
newBuild, err := client.Builds(namespace).Clone(request)
if err != nil {
return err
}
glog.V(2).Infof("Restarted build %s.", buildName)
fmt.Fprintf(out, "%s\n", newBuild.Name)
} else {
fmt.Fprintf(out, "%s\n", build.Name)
}
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)
}
}
if len(resources) < 1 {
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, 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().
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) error {
obj, err := updateObject(info, func(obj runtime.Object) (runtime.Object, error) {
outObj, err := labelFunc(obj, overwrite, resourceVersion, labels, remove)
if err != nil {
return nil, err
}
return outObj, nil
})
if err != nil {
return err
}
printer, err := f.PrinterForMapping(cmd, info.Mapping, false)
if err != nil {
return err
}
return printer.PrintObj(obj, out)
})
}
// 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
}
var container string
if cmdutil.GetFlagString(cmd, "container") != "" {
// [-c CONTAINER]
container = p.containerName
} else {
// [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 {
return fmt.Errorf("POD %s has more than one container; please specify the container to print logs for", pod.ObjectMeta.Name)
}
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
}
readCloser, err := client.RESTClient.Get().
Namespace(namespace).
Name(podID).
Resource("pods").
SubResource("log").
Param("follow", strconv.FormatBool(follow)).
Param("container", container).
Param("previous", strconv.FormatBool(previous)).
Stream()
if err != nil {
return err
}
defer readCloser.Close()
_, err = io.Copy(out, readCloser)
return err
}
