func NewCmdRolloutPause(f *cmdutil.Factory, out io.Writer) *cobra.Command {
opts := &PauseConfig{}
cmd := &cobra.Command{
Use: "pause RESOURCE",
Short: "Mark the provided resource as paused",
Long: pause_long,
Example: pause_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := opts.CompletePause(f, cmd, out, args)
if err != nil {
allErrs = append(allErrs, err)
}
err = opts.RunPause()
if err != nil {
allErrs = append(allErrs, err)
}
cmdutil.CheckErr(utilerrors.Flatten(utilerrors.NewAggregate(allErrs)))
},
}
usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
kubectl.AddJsonFilenameFlag(cmd, &opts.Filenames, usage)
cmdutil.AddRecursiveFlag(cmd, &opts.Recursive)
return cmd
}
func NewCmdRolloutUndo(f *cmdutil.Factory, out io.Writer) *cobra.Command {
opts := &UndoOptions{}
validArgs := []string{"deployment"}
argAliases := kubectl.ResourceAliases(validArgs)
cmd := &cobra.Command{
Use: "undo (TYPE NAME | TYPE/NAME) [flags]",
Short: "Undo a previous rollout",
Long: undo_long,
Example: undo_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := opts.CompleteUndo(f, cmd, out, args)
if err != nil {
allErrs = append(allErrs, err)
}
err = opts.RunUndo()
if err != nil {
allErrs = append(allErrs, err)
}
cmdutil.CheckErr(utilerrors.Flatten(utilerrors.NewAggregate(allErrs)))
},
ValidArgs: validArgs,
ArgAliases: argAliases,
}
cmd.Flags().Int64("to-revision", 0, "The revision to rollback to. Default to 0 (last revision).")
usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
kubectl.AddJsonFilenameFlag(cmd, &opts.Filenames, usage)
cmdutil.AddRecursiveFlag(cmd, &opts.Recursive)
return cmd
}
func NewCmdRolloutPause(f cmdutil.Factory, out io.Writer) *cobra.Command {
options := &PauseConfig{}
validArgs := []string{"deployment"}
argAliases := kubectl.ResourceAliases(validArgs)
cmd := &cobra.Command{
Use: "pause RESOURCE",
Short: "Mark the provided resource as paused",
Long: pause_long,
Example: pause_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := options.CompletePause(f, cmd, out, args)
if err != nil {
allErrs = append(allErrs, err)
}
err = options.RunPause()
if err != nil {
allErrs = append(allErrs, err)
}
cmdutil.CheckErr(utilerrors.Flatten(utilerrors.NewAggregate(allErrs)))
},
ValidArgs: validArgs,
ArgAliases: argAliases,
}
usage := "identifying the resource to get from a server."
cmdutil.AddFilenameOptionFlags(cmd, &options.FilenameOptions, usage)
return cmd
}
func NewCmdRolloutResume(f *cmdutil.Factory, out io.Writer) *cobra.Command {
opts := &ResumeConfig{}
validArgs := []string{"deployment"}
argAliases := kubectl.ResourceAliases(validArgs)
cmd := &cobra.Command{
Use: "resume RESOURCE",
Short: "Resume a paused resource",
Long: resume_long,
Example: resume_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := opts.CompleteResume(f, cmd, out, args)
if err != nil {
allErrs = append(allErrs, err)
}
err = opts.RunResume()
if err != nil {
allErrs = append(allErrs, err)
}
cmdutil.CheckErr(utilerrors.Flatten(utilerrors.NewAggregate(allErrs)))
},
ValidArgs: validArgs,
ArgAliases: argAliases,
}
usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
kubectl.AddJsonFilenameFlag(cmd, &opts.Filenames, usage)
cmdutil.AddRecursiveFlag(cmd, &opts.Recursive)
return cmd
}
// MultilineError returns a string representing an error that splits sub errors into their own
// lines. The returned string will end with a newline.
func MultilineError(prefix string, err error) string {
if agg, ok := err.(utilerrors.Aggregate); ok {
errs := utilerrors.Flatten(agg).Errors()
buf := &bytes.Buffer{}
switch len(errs) {
case 0:
return fmt.Sprintf("%s%v\n", prefix, err)
case 1:
return fmt.Sprintf("%s%v\n", prefix, messageForError(errs[0]))
default:
fmt.Fprintln(buf, prefix)
for _, err := range errs {
fmt.Fprintf(buf, "* %v\n", messageForError(err))
}
return buf.String()
}
}
return fmt.Sprintf("%s%s\n", prefix, err)
}
func (c *ServiceAccountsController) syncNamespace(key string) error {
startTime := time.Now()
defer func() {
glog.V(4).Infof("Finished syncing namespace %q (%v)", key, time.Now().Sub(startTime))
}()
ns, err := c.nsLister.Get(key)
if apierrs.IsNotFound(err) {
return nil
}
if err != nil {
return err
}
if ns.Status.Phase != api.NamespaceActive {
// If namespace is not active, we shouldn't try to create anything
return nil
}
createFailures := []error{}
for i := range c.serviceAccountsToEnsure {
sa := c.serviceAccountsToEnsure[i]
switch _, err := c.saLister.ServiceAccounts(ns.Name).Get(sa.Name); {
case err == nil:
continue
case apierrs.IsNotFound(err):
case err != nil:
return err
}
// this is only safe because we never read it and we always write it
// TODO eliminate this once the fake client can handle creation without NS
sa.Namespace = ns.Name
if _, err := c.client.Core().ServiceAccounts(ns.Name).Create(&sa); err != nil && !apierrs.IsAlreadyExists(err) {
createFailures = append(createFailures, err)
}
}
return utilerrors.Flatten(utilerrors.NewAggregate(createFailures))
}
// EnsureTCPLoadBalancerDeleted is an implementation of TCPLoadBalancer.EnsureTCPLoadBalancerDeleted.
func (gce *GCECloud) EnsureTCPLoadBalancerDeleted(name, region string) error {
err := errors.AggregateGoroutines(
func() error { return gce.deleteFirewall(name, region) },
// Even though we don't hold on to static IPs for load balancers, it's
// possible that EnsureTCPLoadBalancer left one around in a failed
// creation/update attempt, so make sure we clean it up here just in case.
func() error { return gce.deleteStaticIP(name, region) },
func() error {
// The forwarding rule must be deleted before either the target pool can,
// unfortunately, so we have to do these two serially.
if err := gce.deleteForwardingRule(name, region); err != nil {
return err
}
if err := gce.deleteTargetPool(name, region); err != nil {
return err
}
return nil
},
)
if err != nil {
return errors.Flatten(err)
}
return nil
}
// EnsureTCPLoadBalancerDeleted is an implementation of TCPLoadBalancer.EnsureTCPLoadBalancerDeleted.
func (gce *GCECloud) EnsureTCPLoadBalancerDeleted(name, region string) error {
err := errors.AggregateGoroutines(
func() error { return gce.deleteFirewall(name, region) },
func() error {
if err := gce.deleteForwardingRule(name, region); err != nil {
return err
}
// The forwarding rule must be deleted before either the target pool or
// static IP address can, unfortunately.
err := errors.AggregateGoroutines(
func() error { return gce.deleteTargetPool(name, region) },
func() error { return gce.deleteStaticIP(name, region) },
)
if err != nil {
return err
}
return nil
},
)
if err != nil {
return errors.Flatten(err)
}
return nil
}
// EnsureLoadBalancer creates a new load balancer 'name', or updates the existing one. Returns the status of the balancer
func (az *Cloud) EnsureLoadBalancer(clusterName string, service *v1.Service, nodeNames []string) (*v1.LoadBalancerStatus, error) {
lbName := getLoadBalancerName(clusterName)
pipName := getPublicIPName(clusterName, service)
serviceName := getServiceName(service)
glog.V(2).Infof("ensure(%s): START clusterName=%q lbName=%q", serviceName, clusterName, lbName)
pip, err := az.ensurePublicIPExists(serviceName, pipName)
if err != nil {
return nil, err
}
sg, err := az.SecurityGroupsClient.Get(az.ResourceGroup, az.SecurityGroupName, "")
if err != nil {
return nil, err
}
sg, sgNeedsUpdate, err := az.reconcileSecurityGroup(sg, clusterName, service)
if err != nil {
return nil, err
}
if sgNeedsUpdate {
glog.V(3).Infof("ensure(%s): sg(%s) - updating", serviceName, *sg.Name)
_, err := az.SecurityGroupsClient.CreateOrUpdate(az.ResourceGroup, *sg.Name, sg, nil)
if err != nil {
return nil, err
}
}
lb, existsLb, err := az.getAzureLoadBalancer(lbName)
if err != nil {
return nil, err
}
if !existsLb {
lb = network.LoadBalancer{
Name: &lbName,
Location: &az.Location,
Properties: &network.LoadBalancerPropertiesFormat{},
}
}
lb, lbNeedsUpdate, err := az.reconcileLoadBalancer(lb, pip, clusterName, service, nodeNames)
if err != nil {
return nil, err
}
if !existsLb || lbNeedsUpdate {
glog.V(3).Infof("ensure(%s): lb(%s) - updating", serviceName, lbName)
_, err = az.LoadBalancerClient.CreateOrUpdate(az.ResourceGroup, *lb.Name, lb, nil)
if err != nil {
return nil, err
}
}
// Add the machines to the backend pool if they're not already
lbBackendName := getBackendPoolName(clusterName)
lbBackendPoolID := az.getBackendPoolID(lbName, lbBackendName)
hostUpdates := make([]func() error, len(nodeNames))
for i, nodeName := range nodeNames {
localNodeName := nodeName
f := func() error {
err := az.ensureHostInPool(serviceName, types.NodeName(localNodeName), lbBackendPoolID)
if err != nil {
return fmt.Errorf("ensure(%s): lb(%s) - failed to ensure host in pool: %q", serviceName, lbName, err)
}
return nil
}
hostUpdates[i] = f
}
errs := utilerrors.AggregateGoroutines(hostUpdates...)
if errs != nil {
return nil, utilerrors.Flatten(errs)
}
glog.V(2).Infof("ensure(%s): FINISH - %s", serviceName, *pip.Properties.IPAddress)
return &v1.LoadBalancerStatus{
Ingress: []v1.LoadBalancerIngress{{IP: *pip.Properties.IPAddress}},
}, nil
}
// 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, errOut io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
if len(options.Raw) > 0 {
restClient, err := f.RESTClient()
if err != nil {
return err
}
stream, err := restClient.Get().RequestURI(options.Raw).Stream()
if err != nil {
return err
}
defer stream.Close()
_, err = io.Copy(out, stream)
if err != nil && err != io.EOF {
return err
}
return nil
}
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
showKind := cmdutil.GetFlagBool(cmd, "show-kind")
mapper, typer, err := f.UnstructuredObject()
if err != nil {
return err
}
filterFuncs := f.DefaultResourceFilterFunc()
filterOpts := f.DefaultResourceFilterOptions(cmd, allNamespaces)
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if allNamespaces {
enforceNamespace = false
}
if len(args) == 0 && cmdutil.IsFilenameEmpty(options.Filenames) {
fmt.Fprint(errOut, "You must specify the type of resource to get. ", valid_resources)
fullCmdName := cmd.Parent().CommandPath()
usageString := "Required resource not specified."
if len(fullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "explain") {
usageString = fmt.Sprintf("%s\nUse \"%s explain <resource>\" for a detailed description of that resource (e.g. %[2]s explain pods).", usageString, fullCmdName)
}
return cmdutil.UsageError(cmd, usageString)
}
// always show resources when getting by name or filename
argsHasNames, err := resource.HasNames(args)
if err != nil {
return err
}
if len(options.Filenames) > 0 || argsHasNames {
cmd.Flag("show-all").Value.Set("true")
}
export := cmdutil.GetFlagBool(cmd, "export")
// 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, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
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("watch is only supported on individual resources and resource collections - %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
}
// watching from resourceVersion 0, starts the watch at ~now and
// will return an initial watch event. Starting form ~now, rather
// the rv of the object will insure that we start the watch from
// inside the watch window, which the rv of the object might not be.
rv := "0"
isList := meta.IsListType(obj)
if isList {
// the resourceVersion of list objects is ~now but won't return
// an initial watch event
rv, err = mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
}
// print the current object
filteredResourceCount := 0
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
filteredResourceCount++
cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, filterOpts)
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
first := true
filteredResourceCount = 0
intr := interrupt.New(nil, w.Stop)
intr.Run(func() error {
_, err := watch.Until(0, w, func(e watch.Event) (bool, error) {
if !isList && first {
// drop the initial watch event in the single resource case
first = false
return false, nil
}
err := printer.PrintObj(e.Object, out)
if err != nil {
return false, err
}
filteredResourceCount++
cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, filterOpts)
return false, nil
})
return err
})
return nil
}
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
// we flattened the data from the builder, so we have individual items, but now we'd like to either:
// 1. if there is more than one item, combine them all into a single list
// 2. if there is a single item and that item is a list, leave it as its specific list
// 3. if there is a single item and it is not a a list, leave it as a single item
var errs []error
singular := false
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
if singular {
return err
}
errs = append(errs, err)
}
if len(infos) == 0 && len(errs) == 0 {
outputEmptyListWarning(errOut)
}
res := ""
if len(infos) > 0 {
res = infos[0].ResourceMapping().Resource
}
var obj runtime.Object
if singular {
obj = infos[0].Object
} else {
// we have more than one item, so coerce all items into a list
list := &runtime.UnstructuredList{
Object: map[string]interface{}{
"kind": "List",
"apiVersion": "v1",
"metadata": map[string]interface{}{},
},
}
for _, info := range infos {
list.Items = append(list.Items, info.Object.(*runtime.Unstructured))
}
obj = list
}
isList := meta.IsListType(obj)
if isList {
filteredResourceCount, items, err := cmdutil.FilterResourceList(obj, filterFuncs, filterOpts)
if err != nil {
return err
}
// take the filtered items and create a new list for display
list := &runtime.UnstructuredList{
Object: map[string]interface{}{
"kind": "List",
"apiVersion": "v1",
"metadata": map[string]interface{}{},
},
}
if listMeta, err := meta.ListAccessor(obj); err == nil {
list.Object["selfLink"] = listMeta.GetSelfLink()
list.Object["resourceVersion"] = listMeta.GetResourceVersion()
}
for _, item := range items {
list.Items = append(list.Items, item.(*runtime.Unstructured))
}
if err := printer.PrintObj(list, out); err != nil {
errs = append(errs, err)
}
cmdutil.PrintFilterCount(filteredResourceCount, res, filterOpts)
return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
}
filteredResourceCount := 0
if isFiltered, err := filterFuncs.Filter(obj, filterOpts); !isFiltered {
if err != nil {
glog.V(2).Infof("Unable to filter resource: %v", err)
} else if err := printer.PrintObj(obj, out); err != nil {
errs = append(errs, err)
}
} else if isFiltered {
filteredResourceCount++
}
cmdutil.PrintFilterCount(filteredResourceCount, res, filterOpts)
return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
}
allErrs := []error{}
errs := sets.NewString()
infos, err := r.Infos()
if err != nil {
allErrs = append(allErrs, err)
}
if len(infos) == 0 && len(allErrs) == 0 {
outputEmptyListWarning(errOut)
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
if err != nil {
return err
}
var sorter *kubectl.RuntimeSort
if len(sorting) > 0 && len(objs) > 1 {
// TODO: questionable
if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
return err
}
}
// use the default printer for each object
printer = nil
var lastMapping *meta.RESTMapping
w := kubectl.GetNewTabWriter(out)
filteredResourceCount := 0
if resource.MultipleTypesRequested(args) || cmdutil.MustPrintWithKinds(objs, infos, sorter) {
showKind = true
}
for ix := range objs {
var mapping *meta.RESTMapping
var original runtime.Object
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
original = infos[sorter.OriginalPosition(ix)].Object
} else {
mapping = infos[ix].Mapping
original = infos[ix].Object
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
if printer != nil {
w.Flush()
cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, filterOpts)
}
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
if !errs.Has(err.Error()) {
errs.Insert(err.Error())
allErrs = append(allErrs, err)
}
continue
}
// add linebreak between resource groups (if there is more than one)
// skip linebreak above first resource group
noHeaders := cmdutil.GetFlagBool(cmd, "no-headers")
if lastMapping != nil && !noHeaders {
fmt.Fprintf(errOut, "%s\n", "")
}
lastMapping = mapping
}
// filter objects if filter has been defined for current object
if isFiltered, err := filterFuncs.Filter(original, filterOpts); isFiltered {
if err == nil {
filteredResourceCount++
continue
}
if !errs.Has(err.Error()) {
errs.Insert(err.Error())
allErrs = append(allErrs, err)
}
}
if resourcePrinter, found := printer.(*kubectl.HumanReadablePrinter); found {
resourceName := resourcePrinter.GetResourceKind()
if mapping != nil {
if resourceName == "" {
resourceName = mapping.Resource
}
if alias, ok := kubectl.ResourceShortFormFor(mapping.Resource); ok {
resourceName = alias
} else if resourceName == "" {
resourceName = "none"
}
} else {
resourceName = "none"
}
if showKind {
resourcePrinter.EnsurePrintWithKind(resourceName)
}
if err := printer.PrintObj(original, w); err != nil {
if !errs.Has(err.Error()) {
errs.Insert(err.Error())
allErrs = append(allErrs, err)
}
}
continue
}
if err := printer.PrintObj(original, w); err != nil {
if !errs.Has(err.Error()) {
errs.Insert(err.Error())
allErrs = append(allErrs, err)
}
continue
}
}
w.Flush()
if printer != nil && lastMapping != nil {
cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, filterOpts)
}
return utilerrors.NewAggregate(allErrs)
}
// 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, errOut io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
if len(options.Raw) > 0 {
restClient, err := f.RESTClient()
if err != nil {
return err
}
stream, err := restClient.Get().RequestURI(options.Raw).Stream()
if err != nil {
return err
}
defer stream.Close()
for {
buffer := make([]byte, 1024, 1024)
bytesRead, err := stream.Read(buffer)
if bytesRead > 0 {
fmt.Printf("%s", string(buffer[:bytesRead]))
}
if err == io.EOF {
return nil
}
if err != nil {
return err
}
}
}
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
showKind := cmdutil.GetFlagBool(cmd, "show-kind")
mapper, typer := f.Object()
printAll := false
filterFuncs := f.DefaultResourceFilterFunc()
filterOpts := f.DefaultResourceFilterOptions(cmd, allNamespaces)
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if allNamespaces {
enforceNamespace = false
}
if len(args) == 0 && cmdutil.IsFilenameEmpty(options.Filenames) {
fmt.Fprint(errOut, "You must specify the type of resource to get. ", valid_resources)
fullCmdName := cmd.Parent().CommandPath()
usageString := "Required resource not specified."
if len(fullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "explain") {
usageString = fmt.Sprintf("%s\nUse \"%s explain <resource>\" for a detailed description of that resource (e.g. %[2]s explain pods).", usageString, fullCmdName)
}
return cmdutil.UsageError(cmd, usageString)
}
// determine if args contains "all"
for _, a := range args {
if a == "all" {
printAll = true
break
}
}
// always show resources when getting by name or filename
argsHasNames, err := resource.HasNames(args)
if err != nil {
return err
}
if len(options.Filenames) > 0 || argsHasNames {
cmd.Flag("show-all").Value.Set("true")
}
export := cmdutil.GetFlagBool(cmd, "export")
// 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, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
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("watch is only supported on individual resources and resource collections - %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
}
// watching from resourceVersion 0, starts the watch at ~now and
// will return an initial watch event. Starting form ~now, rather
// the rv of the object will insure that we start the watch from
// inside the watch window, which the rv of the object might not be.
rv := "0"
isList := meta.IsListType(obj)
if isList {
// the resourceVersion of list objects is ~now but won't return
// an initial watch event
rv, err = mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
}
// print the current object
filteredResourceCount := 0
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
filteredResourceCount++
cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, errOut, filterOpts)
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
first := true
filteredResourceCount = 0
intr := interrupt.New(nil, w.Stop)
intr.Run(func() error {
_, err := watch.Until(0, w, func(e watch.Event) (bool, error) {
if !isList && first {
// drop the initial watch event in the single resource case
first = false
return false, nil
}
err := printer.PrintObj(e.Object, out)
if err != nil {
return false, err
}
filteredResourceCount++
cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, errOut, filterOpts)
return false, nil
})
return err
})
return nil
}
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, &options.FilenameOptions).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
var errs []error
singular := false
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
if singular {
return err
}
errs = append(errs, err)
}
res := ""
if len(infos) > 0 {
res = infos[0].ResourceMapping().Resource
}
obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
if err != nil {
return err
}
isList := meta.IsListType(obj)
if isList {
filteredResourceCount, items, err := cmdutil.FilterResourceList(obj, filterFuncs, filterOpts)
if err != nil {
return err
}
filteredObj, err := cmdutil.ObjectListToVersionedObject(items, version)
if err != nil {
return err
}
if err := printer.PrintObj(filteredObj, out); err != nil {
errs = append(errs, err)
}
cmdutil.PrintFilterCount(filteredResourceCount, res, errOut, filterOpts)
return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
}
filteredResourceCount := 0
if isFiltered, err := filterFuncs.Filter(obj, filterOpts); !isFiltered {
if err != nil {
glog.V(2).Infof("Unable to filter resource: %v", err)
} else if err := printer.PrintObj(obj, out); err != nil {
errs = append(errs, err)
}
} else if isFiltered {
filteredResourceCount++
}
cmdutil.PrintFilterCount(filteredResourceCount, res, errOut, filterOpts)
return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
}
allErrs := []error{}
infos, err := r.Infos()
if err != nil {
allErrs = append(allErrs, err)
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
if err != nil {
return err
}
var sorter *kubectl.RuntimeSort
if len(sorting) > 0 && len(objs) > 1 {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
for ix := range infos {
objs[ix], err = infos[ix].Mapping.ConvertToVersion(infos[ix].Object, version)
if err != nil {
allErrs = append(allErrs, err)
continue
}
}
// TODO: questionable
if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
return err
}
}
// use the default printer for each object
printer = nil
var lastMapping *meta.RESTMapping
w := kubectl.GetNewTabWriter(out)
filteredResourceCount := 0
if cmdutil.MustPrintWithKinds(objs, infos, sorter, printAll) {
showKind = true
}
for ix := range objs {
var mapping *meta.RESTMapping
var original runtime.Object
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
original = infos[sorter.OriginalPosition(ix)].Object
} else {
mapping = infos[ix].Mapping
original = infos[ix].Object
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
if printer != nil {
w.Flush()
cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, errOut, filterOpts)
}
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
allErrs = append(allErrs, err)
continue
}
// add linebreak between resource groups (if there is more than one)
// skip linebreak above first resource group
noHeaders := cmdutil.GetFlagBool(cmd, "no-headers")
if lastMapping != nil && !noHeaders {
fmt.Fprintf(errOut, "%s\n", "")
}
lastMapping = mapping
}
// filter objects if filter has been defined for current object
if isFiltered, err := filterFuncs.Filter(original, filterOpts); isFiltered {
if err == nil {
filteredResourceCount++
continue
}
allErrs = append(allErrs, err)
}
if resourcePrinter, found := printer.(*kubectl.HumanReadablePrinter); found {
resourceName := resourcePrinter.GetResourceKind()
if mapping != nil {
if resourceName == "" {
resourceName = mapping.Resource
}
if alias, ok := kubectl.ResourceShortFormFor(mapping.Resource); ok {
resourceName = alias
} else if resourceName == "" {
resourceName = "none"
}
} else {
resourceName = "none"
}
if showKind {
resourcePrinter.EnsurePrintWithKind(resourceName)
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
}
continue
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
continue
}
}
w.Flush()
if printer != nil && lastMapping != nil {
cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, errOut, filterOpts)
}
return utilerrors.NewAggregate(allErrs)
}
// 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, options *GetOptions) error {
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if allNamespaces {
enforceNamespace = false
}
if len(args) == 0 && len(options.Filenames) == 0 {
fmt.Fprint(out, "You must specify the type of resource to get. ", valid_resources)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// always show resources when getting by name or filename
argsHasNames, err := resource.HasNames(args)
if err != nil {
return err
}
if len(options.Filenames) > 0 || argsHasNames {
cmd.Flag("show-all").Value.Set("true")
}
export := cmdutil.GetFlagBool(cmd, "export")
// 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, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
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("watch is only supported on individual resources and resource collections - %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
}
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
allErrs := []error{}
infos, err := r.Infos()
if err != nil {
allErrs = append(allErrs, err)
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
singular := false
r.IntoSingular(&singular)
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
if err != nil {
return err
}
return printer.PrintObj(obj, out)
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
var sorter *kubectl.RuntimeSort
if err == nil && len(sorting) > 0 && len(objs) > 1 {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
if err != nil {
return err
}
for ix := range infos {
objs[ix], err = infos[ix].Mapping.ConvertToVersion(infos[ix].Object, version)
if err != nil {
allErrs = append(allErrs, err)
continue
}
}
// TODO: questionable
if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
return err
}
}
// use the default printer for each object
printer = nil
var lastMapping *meta.RESTMapping
w := kubectl.GetNewTabWriter(out)
defer w.Flush()
for ix := range objs {
var mapping *meta.RESTMapping
var original runtime.Object
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
original = infos[sorter.OriginalPosition(ix)].Object
} else {
mapping = infos[ix].Mapping
original = infos[ix].Object
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
allErrs = append(allErrs, err)
continue
}
lastMapping = mapping
}
if _, found := printer.(*kubectl.HumanReadablePrinter); found {
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
}
continue
}
if err := printer.PrintObj(original, w); err != nil {
allErrs = append(allErrs, err)
continue
}
}
return utilerrors.Flatten(utilerrors.NewAggregate(allErrs))
}