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bash-completion for comma separated list on get

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`kubectl get` supports specifying a comma separated list of resource types. E.g.:

```bash
kubectl get pods,secrets
```

Will list all pods and secrets in the current namespace.

This commit adds support to the kubectl bash completion for this feature. Which means if you type `kubectl get pods,sec<tab>` it will be auto-completed to `kubectl get pods,secrets` (assuming the cluster does not have a CRD starting with `sec`).
This commit is contained in:
Philipp Stehle 2021-01-22 10:04:56 +01:00
parent 90ca7e89e9
commit 51671ecc2e
1 changed files with 41 additions and 7 deletions
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48
staging/src/k8s.io/kubectl/pkg/cmd/cmd.go
View File

@ -152,19 +152,49 @@ __kubectl_parse_get()
fi
}
# Same as __kubectl_get_resources (with s) but allows completion for only one resource name.
__kubectl_get_resource()
{
if [[ ${#nouns[@]} -eq 0 ]]; then
local kubectl_out
if kubectl_out=$(__kubectl_debug_out "kubectl api-resources $(__kubectl_override_flags) -o name --cached --request-timeout=5s --verbs=get"); then
COMPREPLY=( $( compgen -W "${kubectl_out[*]}" -- "$cur" ) )
return 0
fi
return 1
__kubectl_get_resource_helper "" "$cur"
return # the return status is that of the last command executed in the function body
fi
__kubectl_parse_get "${nouns[${#nouns[@]} -1]}"
}
# Same as __kubectl_get_resource (without s) but allows completion for multiple, comma-separated resource names.
__kubectl_get_resources()
{
local SEPARATOR=','
if [[ ${#nouns[@]} -eq 0 ]]; then
local kubectl_out HEAD TAIL
HEAD=""
TAIL="$cur"
# if SEPARATOR is contained in $cur, e.g. "pod,sec"
if [[ "$cur" = *${SEPARATOR}* ]] ; then
# set HEAD to "pod,"
HEAD="${cur%${SEPARATOR}*}${SEPARATOR}"
# set TAIL to "sec"
TAIL="${cur##*${SEPARATOR}}"
fi
__kubectl_get_resource_helper "$HEAD" "$TAIL"
return # the return status is that of the last command executed in the function body
fi
__kubectl_parse_get "${nouns[${#nouns[@]} -1]}"
}
__kubectl_get_resource_helper()
{
local kubectl_out HEAD TAIL
HEAD="$1"
TAIL="$2"
if kubectl_out=$(__kubectl_debug_out "kubectl api-resources $(__kubectl_override_flags) -o name --cached --request-timeout=5s --verbs=get"); then
COMPREPLY=( $( compgen -P "$HEAD" -W "${kubectl_out[*]}" -- "$TAIL" ) )
return 0
fi
return 1
}
__kubectl_get_resource_namespace()
{
__kubectl_parse_get "namespace"
@ -251,7 +281,11 @@ __kubectl_cp()
__kubectl_custom_func() {
case ${last_command} in
kubectl_get | kubectl_describe | kubectl_delete | kubectl_label | kubectl_edit | kubectl_patch |\
kubectl_get)
__kubectl_get_resources
return
;;
kubectl_describe | kubectl_delete | kubectl_label | kubectl_edit | kubectl_patch |\
kubectl_annotate | kubectl_expose | kubectl_scale | kubectl_autoscale | kubectl_taint | kubectl_rollout_* |\
kubectl_apply_edit-last-applied | kubectl_apply_view-last-applied)
__kubectl_get_resource