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Merge pull request #10358 from caesarxuchao/add-force-update
Add --force to `kubectl update`
This commit is contained in:
commit
508f7f1697
@ -331,15 +331,19 @@ _kubectl_update()
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flags_with_completion=()
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flags_completion=()
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flags+=("--cascade")
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flags+=("--filename=")
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flags_with_completion+=("--filename")
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flags_completion+=("__handle_filename_extension_flag json|yaml|yml")
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two_word_flags+=("-f")
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flags_with_completion+=("-f")
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flags_completion+=("__handle_filename_extension_flag json|yaml|yml")
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flags+=("--force")
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flags+=("--grace-period=")
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flags+=("--help")
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flags+=("-h")
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flags+=("--patch=")
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flags+=("--timeout=")
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must_have_one_flag=()
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must_have_one_flag+=("--filename=")
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@ -43,7 +43,7 @@ $ kubectl delete pods --all
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```
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--all=false: [-all] to select all the specified resources.
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--cascade=true: If true, cascade the delete resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.
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--cascade=true: If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.
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-f, --filename=[]: Filename, directory, or URL to a file containing the resource to delete.
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--grace-period=-1: Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.
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-h, --help=false: help for delete
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@ -84,6 +84,6 @@ $ kubectl delete pods --all
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### SEE ALSO
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* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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###### Auto generated by spf13/cobra at 2015-06-03 18:21:01.053120485 +0000 UTC
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###### Auto generated by spf13/cobra at 2015-06-26 00:15:55.835198432 +0000 UTC
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[]()
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@ -24,14 +24,21 @@ $ cat pod.json | kubectl update -f -
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// Partially update a node using strategic merge patch
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kubectl --api-version=v1 update node k8s-node-1 --patch='{"spec":{"unschedulable":true}}'
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// Force update, delete and then re-create the resource
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kubectl update --force -f pod.json
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```
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### Options
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```
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--cascade=false: Only relevant during a force update. If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.
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-f, --filename=[]: Filename, directory, or URL to file to use to update the resource.
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--force=false: Delete and re-create the specified resource
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--grace-period=-1: Only relevant during a force update. Period of time in seconds given to the old resource to terminate gracefully. Ignored if negative.
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-h, --help=false: help for update
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--patch="": A JSON document to override the existing resource. The resource is downloaded, patched with the JSON, then updated.
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--timeout=0: Only relevant during a force update. The length of time to wait before giving up on a delete of the old resource, zero means determine a timeout from the size of the object
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```
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### Options inherited from parent commands
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@ -66,6 +73,6 @@ kubectl --api-version=v1 update node k8s-node-1 --patch='{"spec":{"unschedulable
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### SEE ALSO
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* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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###### Auto generated by spf13/cobra at 2015-06-18 19:03:00.935576604 +0000 UTC
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###### Auto generated by spf13/cobra at 2015-06-26 00:15:55.835055081 +0000 UTC
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[]()
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@ -35,7 +35,7 @@ will be lost along with the rest of the resource.
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.PP
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\fB\-\-cascade\fP=true
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If true, cascade the delete resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.
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If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.
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.PP
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\fB\-f\fP, \fB\-\-filename\fP=[]
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@ -20,10 +20,22 @@ JSON and YAML formats are accepted.
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.SH OPTIONS
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.PP
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\fB\-\-cascade\fP=false
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Only relevant during a force update. If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.
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.PP
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\fB\-f\fP, \fB\-\-filename\fP=[]
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Filename, directory, or URL to file to use to update the resource.
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.PP
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\fB\-\-force\fP=false
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Delete and re\-create the specified resource
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.PP
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\fB\-\-grace\-period\fP=\-1
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Only relevant during a force update. Period of time in seconds given to the old resource to terminate gracefully. Ignored if negative.
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.PP
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\fB\-h\fP, \fB\-\-help\fP=false
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help for update
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@ -32,6 +44,10 @@ JSON and YAML formats are accepted.
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\fB\-\-patch\fP=""
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A JSON document to override the existing resource. The resource is downloaded, patched with the JSON, then updated.
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.PP
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\fB\-\-timeout\fP=0
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Only relevant during a force update. The length of time to wait before giving up on a delete of the old resource, zero means determine a timeout from the size of the object
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.SH OPTIONS INHERITED FROM PARENT COMMANDS
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.PP
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@ -145,6 +161,9 @@ $ cat pod.json | kubectl update \-f \-
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// Partially update a node using strategic merge patch
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kubectl \-\-api\-version=v1 update node k8s\-node\-1 \-\-patch='\{"spec":\{"unschedulable":true\}\}'
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// Force update, delete and then re\-create the resource
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kubectl update \-\-force \-f pod.json
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.fi
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.RE
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@ -387,6 +387,13 @@ for version in "${kube_api_versions[@]}"; do
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# Post-condition: valid-pod POD has image nginx
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kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:'
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## --force update pod can change other field, e.g., spec.container.name
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# Command
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kubectl get "${kube_flags[@]}" pod valid-pod -o json | sed 's/"kubernetes-serve-hostname"/"update-k8s-serve-hostname"/g' > tmp-valid-pod.json
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kubectl update "${kube_flags[@]}" --force -f tmp-valid-pod.json
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# Post-condition: spec.container.name = "update-k8s-serve-hostname"
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kube::test::get_object_assert 'pod valid-pod' "{{(index .spec.containers 0).name}}" 'update-k8s-serve-hostname'
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### Overwriting an existing label is not permitted
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# Pre-condition: name is valid-pod
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kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod'
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@ -75,7 +75,7 @@ func NewCmdDelete(f *cmdutil.Factory, out io.Writer) *cobra.Command {
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cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on.")
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cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
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cmd.Flags().Bool("ignore-not-found", false, "Treat \"resource not found\" as a successful delete.")
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cmd.Flags().Bool("cascade", true, "If true, cascade the delete resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.")
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cmd.Flags().Bool("cascade", true, "If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.")
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cmd.Flags().Int("grace-period", -1, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.")
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cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
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return cmd
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@ -27,6 +27,7 @@ import (
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cmdutil "github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/cmd/util"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/resource"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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"github.com/golang/glog"
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)
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const (
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@ -40,7 +41,10 @@ $ kubectl update -f pod.json
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$ cat pod.json | kubectl update -f -
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// Partially update a node using strategic merge patch
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kubectl --api-version=v1 update node k8s-node-1 --patch='{"spec":{"unschedulable":true}}'`
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kubectl --api-version=v1 update node k8s-node-1 --patch='{"spec":{"unschedulable":true}}'
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// Force update, delete and then re-create the resource
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kubectl update --force -f pod.json`
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)
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func NewCmdUpdate(f *cmdutil.Factory, out io.Writer) *cobra.Command {
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@ -60,6 +64,10 @@ func NewCmdUpdate(f *cmdutil.Factory, out io.Writer) *cobra.Command {
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cmd.MarkFlagRequired("filename")
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cmd.Flags().String("patch", "", "A JSON document to override the existing resource. The resource is downloaded, patched with the JSON, then updated.")
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cmd.MarkFlagRequired("patch")
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cmd.Flags().Bool("force", false, "Delete and re-create the specified resource")
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cmd.Flags().Bool("cascade", false, "Only relevant during a force update. If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.")
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cmd.Flags().Int("grace-period", -1, "Only relevant during a force update. Period of time in seconds given to the old resource to terminate gracefully. Ignored if negative.")
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cmd.Flags().Duration("timeout", 0, "Only relevant during a force update. The length of time to wait before giving up on a delete of the old resource, zero means determine a timeout from the size of the object")
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return cmd
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}
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@ -74,6 +82,7 @@ func RunUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
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return err
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}
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force := cmdutil.GetFlagBool(cmd, "force")
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patch := cmdutil.GetFlagString(cmd, "patch")
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if len(filenames) == 0 && len(patch) == 0 {
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return cmdutil.UsageError(cmd, "Must specify --filename or --patch to update")
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@ -81,6 +90,9 @@ func RunUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
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if len(filenames) != 0 && len(patch) != 0 {
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return cmdutil.UsageError(cmd, "Can not specify both --filename and --patch")
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}
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if len(filenames) == 0 && force {
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return cmdutil.UsageError(cmd, "--force can only be used with --filename")
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}
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// TODO: Make patching work with -f, updating with patched JSON input files
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if len(filenames) == 0 {
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@ -95,6 +107,10 @@ func RunUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
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return cmdutil.UsageError(cmd, "Must specify --filename to update")
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}
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if force {
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return forceUpdate(f, out, cmd, args, filenames)
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}
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mapper, typer := f.Object()
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r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
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Schema(schema).
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@ -160,3 +176,76 @@ func updateWithPatch(cmd *cobra.Command, args []string, f *cmdutil.Factory, patc
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_, err = helper.Patch(namespace, name, api.StrategicMergePatchType, []byte(patch))
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return name, err
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}
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func forceUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
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schema, err := f.Validator()
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if err != nil {
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return err
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}
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cmdNamespace, err := f.DefaultNamespace()
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if err != nil {
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return err
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}
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mapper, typer := f.Object()
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r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
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ContinueOnError().
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NamespaceParam(cmdNamespace).DefaultNamespace().
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FilenameParam(filenames...).
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ResourceTypeOrNameArgs(false, args...).RequireObject(false).
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Flatten().
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Do()
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err = r.Err()
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if err != nil {
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return err
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}
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//Update will create a resource if it doesn't exist already, so ignore not found error
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ignoreNotFound := true
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// By default use a reaper to delete all related resources.
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if cmdutil.GetFlagBool(cmd, "cascade") {
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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.")
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err = ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
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} else {
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err = DeleteResult(r, out, ignoreNotFound)
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}
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if err != nil {
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return err
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}
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r = resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
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Schema(schema).
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ContinueOnError().
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NamespaceParam(cmdNamespace).RequireNamespace().
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FilenameParam(filenames...).
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Flatten().
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Do()
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err = r.Err()
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if err != nil {
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return err
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}
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count := 0
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err = r.Visit(func(info *resource.Info) error {
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data, err := info.Mapping.Codec.Encode(info.Object)
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if err != nil {
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return err
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}
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obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, data)
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if err != nil {
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return err
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}
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count++
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info.Refresh(obj, true)
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printObjectSpecificMessage(obj, out)
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fmt.Fprintf(out, "%s/%s\n", info.Mapping.Resource, info.Name)
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return nil
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})
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if err != nil {
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return err
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}
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if count == 0 {
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return fmt.Errorf("no objects passed to update")
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}
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return nil
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}
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@ -34,10 +34,10 @@ func TestUpdateObject(t *testing.T) {
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Codec: codec,
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Client: client.HTTPClientFunc(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
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case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "GET":
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return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
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case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "PUT":
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case p == "/namespaces/test/replicationcontrollers/redis-master" && (m == "GET" || m == "PUT" || m == "DELETE"):
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return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
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case p == "/namespaces/test/replicationcontrollers" && m == "POST":
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return &http.Response{StatusCode: 201, Body: objBody(codec, &rc.Items[0])}, nil
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default:
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t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
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return nil, nil
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@ -55,6 +55,15 @@ func TestUpdateObject(t *testing.T) {
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if buf.String() != "replicationcontrollers/rc1\n" {
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t.Errorf("unexpected output: %s", buf.String())
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}
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buf.Reset()
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cmd.Flags().Set("force", "true")
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cmd.Flags().Set("cascade", "false")
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cmd.Run(cmd, []string{})
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if buf.String() != "replicationcontrollers/redis-master\nreplicationcontrollers/rc1\n" {
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t.Errorf("unexpected output: %s", buf.String())
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}
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}
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func TestUpdateMultipleObject(t *testing.T) {
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@ -66,14 +75,14 @@ func TestUpdateMultipleObject(t *testing.T) {
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Codec: codec,
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Client: client.HTTPClientFunc(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
|
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case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "GET":
|
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case p == "/namespaces/test/replicationcontrollers/redis-master" && (m == "GET" || m == "PUT" || m == "DELETE"):
|
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return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
|
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case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "PUT":
|
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return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
|
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case p == "/namespaces/test/services/frontend" && m == "GET":
|
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return &http.Response{StatusCode: 200, Body: objBody(codec, &svc.Items[0])}, nil
|
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case p == "/namespaces/test/services/frontend" && m == "PUT":
|
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case p == "/namespaces/test/replicationcontrollers" && m == "POST":
|
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return &http.Response{StatusCode: 201, Body: objBody(codec, &rc.Items[0])}, nil
|
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case p == "/namespaces/test/services/frontend" && (m == "GET" || m == "PUT" || m == "DELETE"):
|
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return &http.Response{StatusCode: 200, Body: objBody(codec, &svc.Items[0])}, nil
|
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case p == "/namespaces/test/services" && m == "POST":
|
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return &http.Response{StatusCode: 201, Body: objBody(codec, &svc.Items[0])}, nil
|
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default:
|
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t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
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return nil, nil
|
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@ -91,6 +100,15 @@ func TestUpdateMultipleObject(t *testing.T) {
|
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if buf.String() != "replicationcontrollers/rc1\nservices/baz\n" {
|
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t.Errorf("unexpected output: %s", buf.String())
|
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}
|
||||
|
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buf.Reset()
|
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cmd.Flags().Set("force", "true")
|
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cmd.Flags().Set("cascade", "false")
|
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cmd.Run(cmd, []string{})
|
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|
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if buf.String() != "replicationcontrollers/redis-master\nservices/frontend\nreplicationcontrollers/rc1\nservices/baz\n" {
|
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t.Errorf("unexpected output: %s", buf.String())
|
||||
}
|
||||
}
|
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|
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func TestUpdateDirectory(t *testing.T) {
|
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@ -102,10 +120,14 @@ func TestUpdateDirectory(t *testing.T) {
|
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Codec: codec,
|
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Client: client.HTTPClientFunc(func(req *http.Request) (*http.Response, error) {
|
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switch p, m := req.URL.Path, req.Method; {
|
||||
case strings.HasPrefix(p, "/namespaces/test/services/") && (m == "GET" || m == "PUT"):
|
||||
case strings.HasPrefix(p, "/namespaces/test/services/") && (m == "GET" || m == "PUT" || m == "DELETE"):
|
||||
return &http.Response{StatusCode: 200, Body: objBody(codec, &svc.Items[0])}, nil
|
||||
case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers/") && (m == "GET" || m == "PUT"):
|
||||
case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers/") && (m == "GET" || m == "PUT" || m == "DELETE"):
|
||||
return &http.Response{StatusCode: 200, Body: objBody(codec, &rc.Items[0])}, nil
|
||||
case strings.HasPrefix(p, "/namespaces/test/services") && m == "POST":
|
||||
return &http.Response{StatusCode: 201, Body: objBody(codec, &svc.Items[0])}, nil
|
||||
case strings.HasPrefix(p, "/namespaces/test/replicationcontrollers") && m == "POST":
|
||||
return &http.Response{StatusCode: 201, Body: objBody(codec, &rc.Items[0])}, nil
|
||||
default:
|
||||
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
||||
return nil, nil
|
||||
@ -123,4 +145,47 @@ func TestUpdateDirectory(t *testing.T) {
|
||||
if buf.String() != "replicationcontrollers/rc1\nservices/baz\nreplicationcontrollers/rc1\nservices/baz\nreplicationcontrollers/rc1\nservices/baz\n" {
|
||||
t.Errorf("unexpected output: %s", buf.String())
|
||||
}
|
||||
|
||||
buf.Reset()
|
||||
cmd.Flags().Set("force", "true")
|
||||
cmd.Flags().Set("cascade", "false")
|
||||
cmd.Run(cmd, []string{})
|
||||
|
||||
if buf.String() != "replicationcontrollers/frontend\nservices/frontend\nreplicationcontrollers/redis-master\nservices/redis-master\nreplicationcontrollers/redis-slave\nservices/redis-slave\n"+
|
||||
"replicationcontrollers/rc1\nservices/baz\nreplicationcontrollers/rc1\nservices/baz\nreplicationcontrollers/rc1\nservices/baz\n" {
|
||||
t.Errorf("unexpected output: %s", buf.String())
|
||||
}
|
||||
}
|
||||
|
||||
func TestForceUpdateObjectNotFound(t *testing.T) {
|
||||
_, _, rc := testData()
|
||||
|
||||
f, tf, codec := NewAPIFactory()
|
||||
tf.Printer = &testPrinter{}
|
||||
tf.Client = &client.FakeRESTClient{
|
||||
Codec: codec,
|
||||
Client: client.HTTPClientFunc(func(req *http.Request) (*http.Response, error) {
|
||||
switch p, m := req.URL.Path, req.Method; {
|
||||
case p == "/namespaces/test/replicationcontrollers/redis-master" && m == "DELETE":
|
||||
return &http.Response{StatusCode: 404, Body: stringBody("")}, nil
|
||||
case p == "/namespaces/test/replicationcontrollers" && m == "POST":
|
||||
return &http.Response{StatusCode: 201, Body: objBody(codec, &rc.Items[0])}, nil
|
||||
default:
|
||||
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
|
||||
return nil, nil
|
||||
}
|
||||
}),
|
||||
}
|
||||
tf.Namespace = "test"
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
|
||||
cmd := NewCmdUpdate(f, buf)
|
||||
cmd.Flags().Set("filename", "../../../examples/guestbook/redis-master-controller.yaml")
|
||||
cmd.Flags().Set("force", "true")
|
||||
cmd.Flags().Set("cascade", "false")
|
||||
cmd.Run(cmd, []string{})
|
||||
|
||||
if buf.String() != "replicationcontrollers/rc1\n" {
|
||||
t.Errorf("unexpected output: %s", buf.String())
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user