Merge pull request #42103 from superbrothers/kubectl-context-completion

Automatic merge from submit-queue (batch tested with PRs 38676, 41765, 42103, 41833, 41702)

Support --context flag completion for kubectl

**What this PR does / why we need it**:

With this PR, `--context` flag completion is supported for kubectl.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
```
This commit is contained in:
Kubernetes Submit Queue 2017-03-01 01:44:07 -08:00 committed by GitHub
commit ba7c533fb0

View File

@ -76,6 +76,15 @@ __kubectl_get_namespaces()
fi
}
__kubectl_get_contexts()
{
local template kubectl_out
template="{{ range .contexts }}{{ .name }} {{ end }}"
if kubectl_out=$(kubectl config $(__kubectl_override_flags) -o template --template="${template}" view 2>/dev/null); then
COMPREPLY=( $( compgen -W "${kubectl_out[*]}" -- "$cur" ) )
fi
}
__kubectl_parse_get()
{
local template
@ -326,6 +335,16 @@ func NewKubectlCommand(f cmdutil.Factory, in io.Reader, out, err io.Writer) *cob
)
}
if cmds.Flag("context") != nil {
if cmds.Flag("context").Annotations == nil {
cmds.Flag("context").Annotations = map[string][]string{}
}
cmds.Flag("context").Annotations[cobra.BashCompCustom] = append(
cmds.Flag("context").Annotations[cobra.BashCompCustom],
"__kubectl_get_contexts",
)
}
cmds.AddCommand(cmdconfig.NewCmdConfig(clientcmd.NewDefaultPathOptions(), out, err))
cmds.AddCommand(NewCmdVersion(f, out))
cmds.AddCommand(NewCmdApiVersions(f, out))