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wire PrintFlags through rollout commands 

Binds PrintFlags to rollout commands.
Adds tests ensuring --template printing is supported by rollout cmds.
pull/8/head
juanvallejo 2018-07-05 16:13:20 -04:00
parent 43b59986f4
commit 2b0b605c80
No known key found for this signature in database
GPG Key ID: 7D2C958002D6448D
8 changed files with 265 additions and 159 deletions
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4
pkg/kubectl/cmd/rollout/rollout.go
View File

@ -56,10 +56,10 @@ func NewCmdRollout(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobr
Run: cmdutil.DefaultSubCommandRun(streams.Out),
}
// subcommands
cmd.AddCommand(NewCmdRolloutHistory(f, streams.Out))
cmd.AddCommand(NewCmdRolloutHistory(f, streams))
cmd.AddCommand(NewCmdRolloutPause(f, streams))
cmd.AddCommand(NewCmdRolloutResume(f, streams))
cmd.AddCommand(NewCmdRolloutUndo(f, streams.Out))
cmd.AddCommand(NewCmdRolloutUndo(f, streams))
cmd.AddCommand(NewCmdRolloutStatus(f, streams))
return cmd

119
pkg/kubectl/cmd/rollout/rollout_history.go
View File

@ -18,16 +18,18 @@ package rollout
import (
"fmt"
"io"
"github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions/printers"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions/resource"
"k8s.io/kubernetes/pkg/kubectl/polymorphichelpers"
"k8s.io/kubernetes/pkg/kubectl/scheme"
"k8s.io/kubernetes/pkg/kubectl/util/i18n"
"github.com/spf13/cobra"
)
var (
@ -42,8 +44,33 @@ var (
kubectl rollout history daemonset/abc --revision=3`)
)
func NewCmdRolloutHistory(f cmdutil.Factory, out io.Writer) *cobra.Command {
options := &resource.FilenameOptions{}
type RolloutHistoryOptions struct {
PrintFlags *genericclioptions.PrintFlags
ToPrinter func(string) (printers.ResourcePrinter, error)
Revision int64
Builder func() *resource.Builder
Resources []string
Namespace string
EnforceNamespace bool
HistoryViewer polymorphichelpers.HistoryViewerFunc
RESTClientGetter genericclioptions.RESTClientGetter
resource.FilenameOptions
genericclioptions.IOStreams
}
func NewRolloutHistoryOptions(streams genericclioptions.IOStreams) *RolloutHistoryOptions {
return &RolloutHistoryOptions{
PrintFlags: genericclioptions.NewPrintFlags("").WithTypeSetter(scheme.Scheme),
IOStreams: streams,
}
}
func NewCmdRolloutHistory(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
o := NewRolloutHistoryOptions(streams)
validArgs := []string{"deployment", "daemonset", "statefulset"}
@ -54,42 +81,65 @@ func NewCmdRolloutHistory(f cmdutil.Factory, out io.Writer) *cobra.Command {
Long: history_long,
Example: history_example,
Run: func(cmd *cobra.Command, args []string) {
cmdutil.CheckErr(RunHistory(f, cmd, out, args, options))
cmdutil.CheckErr(o.Complete(f, cmd, args))
cmdutil.CheckErr(o.Run())
},
ValidArgs: validArgs,
}
cmd.Flags().Int64("revision", 0, "See the details, including podTemplate of the revision specified")
cmd.Flags().Int64Var(&o.Revision, "revision", o.Revision, "See the details, including podTemplate of the revision specified")
usage := "identifying the resource to get from a server."
cmdutil.AddFilenameOptionFlags(cmd, options, usage)
cmdutil.AddFilenameOptionFlags(cmd, &o.FilenameOptions, usage)
o.PrintFlags.AddFlags(cmd)
return cmd
}
func RunHistory(f cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string, options *resource.FilenameOptions) error {
if len(args) == 0 && cmdutil.IsFilenameSliceEmpty(options.Filenames) {
return cmdutil.UsageErrorf(cmd, "Required resource not specified.")
}
revision := cmdutil.GetFlagInt64(cmd, "revision")
if revision < 0 {
return fmt.Errorf("revision must be a positive integer: %v", revision)
}
func (o *RolloutHistoryOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
o.Resources = args
cmdNamespace, enforceNamespace, err := f.ToRawKubeConfigLoader().Namespace()
if err != nil {
var err error
if o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace(); err != nil {
return err
}
r := f.NewBuilder().
o.ToPrinter = func(operation string) (printers.ResourcePrinter, error) {
o.PrintFlags.NamePrintFlags.Operation = operation
return o.PrintFlags.ToPrinter()
}
o.HistoryViewer = polymorphichelpers.HistoryViewerFn
o.RESTClientGetter = f
o.Builder = f.NewBuilder
return nil
}
func (o *RolloutHistoryOptions) Validate() error {
if len(o.Resources) == 0 && cmdutil.IsFilenameSliceEmpty(o.Filenames) {
return fmt.Errorf("Required resource not specified.")
}
if o.Revision < 0 {
return fmt.Errorf("revision must be a positive integer: %v", o.Revision)
}
return nil
}
func (o *RolloutHistoryOptions) Run() error {
r := o.Builder().
WithScheme(legacyscheme.Scheme).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, options).
ResourceTypeOrNameArgs(true, args...).
NamespaceParam(o.Namespace).DefaultNamespace().
FilenameParam(o.EnforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, o.Resources...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
if err := r.Err(); err != nil {
return err
}
@ -97,22 +147,27 @@ func RunHistory(f cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []str
if err != nil {
return err
}
mapping := info.ResourceMapping()
historyViewer, err := polymorphichelpers.HistoryViewerFn(f, mapping)
historyViewer, err := o.HistoryViewer(o.RESTClientGetter, mapping)
if err != nil {
return err
}
historyInfo, err := historyViewer.ViewHistory(info.Namespace, info.Name, revision)
historyInfo, err := historyViewer.ViewHistory(info.Namespace, info.Name, o.Revision)
if err != nil {
return err
}
header := fmt.Sprintf("%s %q", mapping.Resource.Resource, info.Name)
if revision > 0 {
header = fmt.Sprintf("%s with revision #%d", header, revision)
withRevision := ""
if o.Revision > 0 {
withRevision = fmt.Sprintf("with revision #%d", o.Revision)
}
fmt.Fprintf(out, "%s\n", header)
fmt.Fprintf(out, "%s\n", historyInfo)
return nil
printer, err := o.ToPrinter(fmt.Sprintf("%s\n%s", withRevision, historyInfo))
if err != nil {
return err
}
return printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
})
}

64
pkg/kubectl/cmd/rollout/rollout_pause.go
View File

@ -38,13 +38,16 @@ import (
// PauseConfig is the start of the data required to perform the operation. As new fields are added, add them here instead of
// referencing the cmd.Flags()
type PauseConfig struct {
resource.FilenameOptions
PrintFlags *genericclioptions.PrintFlags
ToPrinter func(string) (printers.ResourcePrinter, error)
Pauser polymorphichelpers.ObjectPauserFunc
Infos []*resource.Info
Pauser polymorphichelpers.ObjectPauserFunc
Builder func() *resource.Builder
Namespace string
EnforceNamespace bool
Resources []string
resource.FilenameOptions
genericclioptions.IOStreams
}
@ -79,7 +82,7 @@ func NewCmdRolloutPause(f cmdutil.Factory, streams genericclioptions.IOStreams)
Example: pause_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := o.CompletePause(f, cmd, args)
err := o.Complete(f, cmd, args)
if err != nil {
allErrs = append(allErrs, err)
}
@ -92,53 +95,64 @@ func NewCmdRolloutPause(f cmdutil.Factory, streams genericclioptions.IOStreams)
ValidArgs: validArgs,
}
o.PrintFlags.AddFlags(cmd)
usage := "identifying the resource to get from a server."
cmdutil.AddFilenameOptionFlags(cmd, &o.FilenameOptions, usage)
return cmd
}
func (o *PauseConfig) CompletePause(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
func (o *PauseConfig) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
if len(args) == 0 && cmdutil.IsFilenameSliceEmpty(o.Filenames) {
return cmdutil.UsageErrorf(cmd, "%s", cmd.Use)
}
o.Pauser = polymorphichelpers.ObjectPauserFn
cmdNamespace, enforceNamespace, err := f.ToRawKubeConfigLoader().Namespace()
if err != nil {
var err error
if o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace(); err != nil {
return err
}
r := f.NewBuilder().
WithScheme(legacyscheme.Scheme).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
o.Resources = args
o.Builder = f.NewBuilder
o.ToPrinter = func(operation string) (printers.ResourcePrinter, error) {
o.PrintFlags.NamePrintFlags.Operation = operation
return o.PrintFlags.ToPrinter()
}
o.Infos, err = r.Infos()
if err != nil {
return err
}
return nil
}
func (o PauseConfig) RunPause() error {
r := o.Builder().
WithScheme(legacyscheme.Scheme).
NamespaceParam(o.Namespace).DefaultNamespace().
FilenameParam(o.EnforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, o.Resources...).
ContinueOnError().
Latest().
Flatten().
Do()
if err := r.Err(); err != nil {
return err
}
allErrs := []error{}
for _, patch := range set.CalculatePatches(o.Infos, cmdutil.InternalVersionJSONEncoder(), set.PatchFn(o.Pauser)) {
infos, err := r.Infos()
if err != nil {
// restore previous command behavior where
// an error caused by retrieving infos due to
// at least a single broken object did not result
// in an immediate return, but rather an overall
// aggregation of errors.
allErrs = append(allErrs, err)
}
for _, patch := range set.CalculatePatches(infos, cmdutil.InternalVersionJSONEncoder(), set.PatchFn(o.Pauser)) {
info := patch.Info
if patch.Err != nil {
resourceString := info.Mapping.Resource.Resource
if len(info.Mapping.Resource.Group) > 0 {

76
pkg/kubectl/cmd/rollout/rollout_resume.go
View File

@ -35,16 +35,20 @@ import (
"k8s.io/kubernetes/pkg/kubectl/util/i18n"
)
// ResumeConfig is the start of the data required to perform the operation. As new fields are added, add them here instead of
// ResumeOptions is the start of the data required to perform the operation. As new fields are added, add them here instead of
// referencing the cmd.Flags()
type ResumeConfig struct {
resource.FilenameOptions
type ResumeOptions struct {
PrintFlags *genericclioptions.PrintFlags
ToPrinter func(string) (printers.ResourcePrinter, error)
Resumer polymorphichelpers.ObjectResumerFunc
Infos []*resource.Info
Resources []string
Builder func() *resource.Builder
Resumer polymorphichelpers.ObjectResumerFunc
Namespace string
EnforceNamespace bool
resource.FilenameOptions
genericclioptions.IOStreams
}
@ -61,11 +65,15 @@ var (
kubectl rollout resume deployment/nginx`)
)
func NewCmdRolloutResume(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
o := &ResumeConfig{
func NewRolloutResumeOptions(streams genericclioptions.IOStreams) *ResumeOptions {
return &ResumeOptions{
PrintFlags: genericclioptions.NewPrintFlags("resumed").WithTypeSetter(scheme.Scheme),
IOStreams: streams,
}
}
func NewCmdRolloutResume(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
o := NewRolloutResumeOptions(streams)
validArgs := []string{"deployment"}
@ -77,7 +85,7 @@ func NewCmdRolloutResume(f cmdutil.Factory, streams genericclioptions.IOStreams)
Example: resume_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := o.CompleteResume(f, cmd, args)
err := o.Complete(f, cmd, args)
if err != nil {
allErrs = append(allErrs, err)
}
@ -92,17 +100,21 @@ func NewCmdRolloutResume(f cmdutil.Factory, streams genericclioptions.IOStreams)
usage := "identifying the resource to get from a server."
cmdutil.AddFilenameOptionFlags(cmd, &o.FilenameOptions, usage)
o.PrintFlags.AddFlags(cmd)
return cmd
}
func (o *ResumeConfig) CompleteResume(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
func (o *ResumeOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
if len(args) == 0 && cmdutil.IsFilenameSliceEmpty(o.Filenames) {
return cmdutil.UsageErrorf(cmd, "%s", cmd.Use)
}
o.Resources = args
o.Resumer = polymorphichelpers.ObjectResumerFn
cmdNamespace, enforceNamespace, err := f.ToRawKubeConfigLoader().Namespace()
var err error
o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace()
if err != nil {
return err
}
@ -112,36 +124,37 @@ func (o *ResumeConfig) CompleteResume(f cmdutil.Factory, cmd *cobra.Command, arg
return o.PrintFlags.ToPrinter()
}
r := f.NewBuilder().
o.Builder = f.NewBuilder
return nil
}
func (o ResumeOptions) RunResume() error {
r := o.Builder().
WithScheme(legacyscheme.Scheme).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, args...).
NamespaceParam(o.Namespace).DefaultNamespace().
FilenameParam(o.EnforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, o.Resources...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
if err := r.Err(); err != nil {
return err
}
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
o.Infos = append(o.Infos, info)
return nil
})
if err != nil {
return err
}
return nil
}
func (o ResumeConfig) RunResume() error {
allErrs := []error{}
for _, patch := range set.CalculatePatches(o.Infos, cmdutil.InternalVersionJSONEncoder(), set.PatchFn(o.Resumer)) {
infos, err := r.Infos()
if err != nil {
// restore previous command behavior where
// an error caused by retrieving infos due to
// at least a single broken object did not result
// in an immediate return, but rather an overall
// aggregation of errors.
allErrs = append(allErrs, err)
}
for _, patch := range set.CalculatePatches(infos, cmdutil.InternalVersionJSONEncoder(), set.PatchFn(o.Resumer)) {
info := patch.Info
if patch.Err != nil {
@ -162,6 +175,7 @@ func (o ResumeConfig) RunResume() error {
if err = printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out); err != nil {
allErrs = append(allErrs, err)
}
continue
}
obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch.Patch)

31
pkg/kubectl/cmd/rollout/rollout_status.go
View File

@ -23,13 +23,13 @@ import (
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions/resource"
"k8s.io/kubernetes/pkg/kubectl/polymorphichelpers"
"k8s.io/kubernetes/pkg/kubectl/scheme"
"k8s.io/kubernetes/pkg/kubectl/util/i18n"
"k8s.io/kubernetes/pkg/util/interrupt"
)
@ -51,8 +51,7 @@ var (
)
type RolloutStatusOptions struct {
FilenameOptions *resource.FilenameOptions
genericclioptions.IOStreams
PrintFlags *genericclioptions.PrintFlags
Namespace string
EnforceNamespace bool
@ -62,12 +61,15 @@ type RolloutStatusOptions struct {
Revision int64
StatusViewer func(*meta.RESTMapping) (kubectl.StatusViewer, error)
Builder func() *resource.Builder
Builder *resource.Builder
FilenameOptions *resource.FilenameOptions
genericclioptions.IOStreams
}
func NewRolloutStatusOptions(streams genericclioptions.IOStreams) *RolloutStatusOptions {
return &RolloutStatusOptions{
PrintFlags: genericclioptions.NewPrintFlags("").WithTypeSetter(scheme.Scheme),
FilenameOptions: &resource.FilenameOptions{},
IOStreams: streams,
Watch: true,
@ -97,11 +99,12 @@ func NewCmdRolloutStatus(f cmdutil.Factory, streams genericclioptions.IOStreams)
cmdutil.AddFilenameOptionFlags(cmd, o.FilenameOptions, usage)
cmd.Flags().BoolVarP(&o.Watch, "watch", "w", o.Watch, "Watch the status of the rollout until it's done.")
cmd.Flags().Int64Var(&o.Revision, "revision", o.Revision, "Pin to a specific revision for showing its status. Defaults to 0 (last revision).")
return cmd
}
func (o *RolloutStatusOptions) Complete(f cmdutil.Factory, args []string) error {
o.Builder = f.NewBuilder()
o.Builder = f.NewBuilder
var err error
o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace()
@ -120,12 +123,17 @@ func (o *RolloutStatusOptions) Validate(cmd *cobra.Command, args []string) error
if len(args) == 0 && cmdutil.IsFilenameSliceEmpty(o.FilenameOptions.Filenames) {
return cmdutil.UsageErrorf(cmd, "Required resource not specified.")
}
if o.Revision < 0 {
return fmt.Errorf("revision must be a positive integer: %v", o.Revision)
}
return nil
}
func (o *RolloutStatusOptions) Run() error {
r := o.Builder.
WithScheme(legacyscheme.Scheme).
r := o.Builder().
WithScheme(scheme.Scheme, scheme.Scheme.PrioritizedVersionsAllGroups()...).
NamespaceParam(o.Namespace).DefaultNamespace().
FilenameParam(o.EnforceNamespace, o.FilenameOptions).
ResourceTypeOrNameArgs(true, o.BuilderArgs...).
@ -161,13 +169,8 @@ func (o *RolloutStatusOptions) Run() error {
return err
}
revision := o.Revision
if revision < 0 {
return fmt.Errorf("revision must be a positive integer: %v", revision)
}
// check if deployment's has finished the rollout
status, done, err := statusViewer.Status(info.Namespace, info.Name, revision)
status, done, err := statusViewer.Status(info.Namespace, info.Name, o.Revision)
if err != nil {
return err
}
@ -192,7 +195,7 @@ func (o *RolloutStatusOptions) Run() error {
return intr.Run(func() error {
_, err := watch.Until(0, w, func(e watch.Event) (bool, error) {
// print deployment's status
status, done, err := statusViewer.Status(info.Namespace, info.Name, revision)
status, done, err := statusViewer.Status(info.Namespace, info.Name, o.Revision)
if err != nil {
return false, err
}

109
pkg/kubectl/cmd/rollout/rollout_undo.go
View File

@ -17,14 +17,11 @@ limitations under the License.
package rollout
import (
"io"
"github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/kubectl/polymorphichelpers"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
@ -37,17 +34,19 @@ import (
// UndoOptions is the start of the data required to perform the operation. As new fields are added, add them here instead of
// referencing the cmd.Flags()
type UndoOptions struct {
resource.FilenameOptions
PrintFlags *genericclioptions.PrintFlags
ToPrinter func(string) (printers.ResourcePrinter, error)
Rollbackers []kubectl.Rollbacker
Infos []*resource.Info
ToRevision int64
DryRun bool
Builder func() *resource.Builder
ToRevision int64
DryRun bool
Resources []string
Namespace string
EnforceNamespace bool
RESTClientGetter genericclioptions.RESTClientGetter
Out io.Writer
resource.FilenameOptions
genericclioptions.IOStreams
}
var (
@ -65,11 +64,16 @@ var (
kubectl rollout undo --dry-run=true deployment/abc`)
)
func NewCmdRolloutUndo(f cmdutil.Factory, out io.Writer) *cobra.Command {
o := &UndoOptions{
PrintFlags: genericclioptions.NewPrintFlags("").WithTypeSetter(scheme.Scheme),
func NewRolloutUndoOptions(streams genericclioptions.IOStreams) *UndoOptions {
return &UndoOptions{
PrintFlags: genericclioptions.NewPrintFlags("rolled back").WithTypeSetter(scheme.Scheme),
IOStreams: streams,
ToRevision: int64(0),
}
}
func NewCmdRolloutUndo(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
o := NewRolloutUndoOptions(streams)
validArgs := []string{"deployment", "daemonset", "statefulset"}
@ -81,7 +85,7 @@ func NewCmdRolloutUndo(f cmdutil.Factory, out io.Writer) *cobra.Command {
Example: undo_example,
Run: func(cmd *cobra.Command, args []string) {
allErrs := []error{}
err := o.CompleteUndo(f, cmd, out, args)
err := o.Complete(f, cmd, args)
if err != nil {
allErrs = append(allErrs, err)
}
@ -98,19 +102,20 @@ func NewCmdRolloutUndo(f cmdutil.Factory, out io.Writer) *cobra.Command {
usage := "identifying the resource to get from a server."
cmdutil.AddFilenameOptionFlags(cmd, &o.FilenameOptions, usage)
cmdutil.AddDryRunFlag(cmd)
o.PrintFlags.AddFlags(cmd)
return cmd
}
func (o *UndoOptions) CompleteUndo(f cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string) error {
func (o *UndoOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
if len(args) == 0 && cmdutil.IsFilenameSliceEmpty(o.Filenames) {
return cmdutil.UsageErrorf(cmd, "Required resource not specified.")
}
o.Out = out
o.Resources = args
o.DryRun = cmdutil.GetDryRunFlag(cmd)
cmdNamespace, enforceNamespace, err := f.ToRawKubeConfigLoader().Namespace()
if err != nil {
var err error
if o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace(); err != nil {
return err
}
@ -122,49 +127,47 @@ func (o *UndoOptions) CompleteUndo(f cmdutil.Factory, cmd *cobra.Command, out io
return o.PrintFlags.ToPrinter()
}
r := f.NewBuilder().
WithScheme(legacyscheme.Scheme).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest().
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
o.RESTClientGetter = f
o.Builder = f.NewBuilder
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
rollbacker, err := polymorphichelpers.RollbackerFn(f, info.ResourceMapping())
if err != nil {
return err
}
o.Infos = append(o.Infos, info)
o.Rollbackers = append(o.Rollbackers, rollbacker)
return nil
})
return err
}
func (o *UndoOptions) RunUndo() error {
allErrs := []error{}
for ix, info := range o.Infos {
result, err := o.Rollbackers[ix].Rollback(info.Object, nil, o.ToRevision, o.DryRun)
r := o.Builder().
WithScheme(legacyscheme.Scheme).
NamespaceParam(o.Namespace).DefaultNamespace().
FilenameParam(o.EnforceNamespace, &o.FilenameOptions).
ResourceTypeOrNameArgs(true, o.Resources...).
ContinueOnError().
Latest().
Flatten().
Do()
if err := r.Err(); err != nil {
return err
}
err := r.Visit(func(info *resource.Info, err error) error {
if err != nil {
allErrs = append(allErrs, cmdutil.AddSourceToErr("undoing", info.Source, err))
continue
return err
}
rollbacker, err := polymorphichelpers.RollbackerFn(o.RESTClientGetter, info.ResourceMapping())
if err != nil {
return err
}
result, err := rollbacker.Rollback(info.Object, nil, o.ToRevision, o.DryRun)
if err != nil {
return err
}
printer, err := o.ToPrinter(result)
if err != nil {
allErrs = append(allErrs, err)
continue
return err
}
printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
}
return utilerrors.NewAggregate(allErrs)
return printer.PrintObj(cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping), o.Out)
})
return err
}

2
pkg/kubectl/genericclioptions/print_flags.go
View File

@ -90,7 +90,7 @@ func (f *PrintFlags) ToPrinter() (printers.ResourcePrinter, error) {
// to honoring the --template argument.
if f.TemplatePrinterFlags != nil && f.TemplatePrinterFlags.TemplateArgument != nil &&
len(*f.TemplatePrinterFlags.TemplateArgument) > 0 &&
(len(outputFormat) == 0 || (f.outputDefaulted && !f.outputFlag.Changed)) {
(len(outputFormat) == 0 || (f.outputDefaulted && f.outputFlag != nil && !f.outputFlag.Changed)) {
outputFormat = "go-template"
}

19
test/cmd/template-output.sh
View File

@ -98,7 +98,7 @@ run_template_output_tests() {
kube::test::if_has_string "${output_message}" 'cm:'
# check that "create deployment" command supports --template output
output_message=$(kubectl "${kube_flags[@]}" create deployment deploy --dry-run --image=nginx --template="{{ .metadata.name }}:")
output_message=$(kubectl "${kube_flags[@]}" create deployment deploy --image=nginx --template="{{ .metadata.name }}:")
kube::test::if_has_string "${output_message}" 'deploy:'
# check that "create job" command supports --template output
@ -209,6 +209,22 @@ EOF
output_message=$(kubectl "${kube_flags[@]}" config view)
kube::test::if_has_string "${output_message}" 'kind: Config'
# check that "rollout pause" supports --template output
output_message=$(kubectl "${kube_flags[@]}" rollout pause deploy/deploy --template="{{ .metadata.name }}:")
kube::test::if_has_string "${output_message}" 'deploy:'
# check that "rollout history" supports --template output
output_message=$(kubectl "${kube_flags[@]}" rollout history deploy/deploy --template="{{ .metadata.name }}:")
kube::test::if_has_string "${output_message}" 'deploy:'
# check that "rollout resume" supports --template output
output_message=$(kubectl "${kube_flags[@]}" rollout resume deploy/deploy --template="{{ .metadata.name }}:")
kube::test::if_has_string "${output_message}" 'deploy:'
# check that "rollout undo" supports --template output
output_message=$(kubectl "${kube_flags[@]}" rollout undo deploy/deploy --template="{{ .metadata.name }}:")
kube::test::if_has_string "${output_message}" 'deploy:'
# check that "config view" command supports --template output
# and that commands that set a default output (yaml in this case),
# default to "go-template" as their output format when a --template
@ -227,6 +243,7 @@ EOF
kubectl delete rc cassandra "${kube_flags[@]}"
kubectl delete clusterrole myclusterrole "${kube_flags[@]}"
kubectl delete clusterrolebinding foo "${kube_flags[@]}"
kubectl delete deployment deploy "${kube_flags[@]}"
set +o nounset
set +o errexit