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feat(cli): dynamic shell completion for main resources names (rollout…
…s, experiments, analysisrun) (argoproj#2379) * PoC dynamic shell completion for 'kubectl-argo-rollouts get rollout [TAB]' works toward argoproj#2015 use ValidArgsFunction from cobra to list candidates for completion: https://github.com/spf13/cobra/blob/main/shell_completions.md#dynamic-completion-of-nouns use v2 of GenBashCompletion from cobra: https://github.com/spf13/cobra/blob/main/shell_completions.md#bash-completion-v2 - I chose to disable descriptions for completion (as a bash user I'm not used to that), but it's enabled for fish it seems, we can enable it if desired, I have no strong opinion on it Signed-off-by: Thomas Riccardi <[email protected]> * Factorize resource names completion functions in new util/completion Signed-off-by: Thomas Riccardi <[email protected]> * Add dynamic auto-completion to all ROLLOUT_NAME locations in CLI ...accoding to the Cobra auto-generated CLI documentation. Signed-off-by: Thomas Riccardi <[email protected]> * Add dynamic auto-completion to all EXPERIMENT_NAME locations in CLI ...accoding to the Cobra auto-generated CLI documentation. Signed-off-by: Thomas Riccardi <[email protected]> * Add dynamic auto-completion to all ANALYSISRUN_NAME locations in CLI ...accoding to the Cobra auto-generated CLI documentation. Signed-off-by: Thomas Riccardi <[email protected]> * WIP unit-test dynamic completion Signed-off-by: Thomas Riccardi <[email protected]> * Add unit-tests for new completion package - inspired from kubectl own completion package tests - fake cmd to avoid circular import - reuse info/testdata but we could build our own data for more isolated tests if needed - test all 3 types (Rollout, Experiment, AnalysisRun) - test both first argument completion and second argument Signed-off-by: Thomas Riccardi <[email protected]> * Revert "WIP unit-test dynamic completion" Like in kubectl own completion tests, we now have an independent 'completion' package with its own tests. Stop testing in cmd/ callers packages. This reverts commit 75eb5ae. Signed-off-by: Thomas Riccardi <[email protected]> Signed-off-by: Thomas Riccardi <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package completion | ||
|
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||
| import ( | ||
| "strings" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
|
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| "github.com/argoproj/argo-rollouts/pkg/kubectl-argo-rollouts/options" | ||
| ) | ||
|
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| // RolloutNameCompletionFunc Returns a completion function that completes as a first argument | ||
| // the Rollouts names that match the toComplete prefix. | ||
| func RolloutNameCompletionFunc(o *options.ArgoRolloutsOptions) func(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) { | ||
| return func(c *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { | ||
| if len(args) != 0 { | ||
| return nil, cobra.ShellCompDirectiveNoFileComp | ||
| } | ||
| // list Rollouts names | ||
| ctx := c.Context() | ||
| opts := metav1.ListOptions{} | ||
| rolloutIf := o.RolloutsClientset().ArgoprojV1alpha1().Rollouts(o.Namespace()) | ||
| rolloutList, err := rolloutIf.List(ctx, opts) | ||
| if err != nil { | ||
| return []string{}, cobra.ShellCompDirectiveError | ||
| } | ||
|
|
||
| var rolloutNames []string | ||
| for _, ro := range rolloutList.Items { | ||
| if strings.HasPrefix(ro.Name, toComplete) { | ||
| rolloutNames = append(rolloutNames, ro.Name) | ||
| } | ||
| } | ||
|
|
||
| return rolloutNames, cobra.ShellCompDirectiveNoFileComp | ||
| } | ||
| } | ||
|
|
||
| // ExperimentNameCompletionFunc Returns a completion function that completes as a first argument | ||
| // the Experiments names that match the toComplete prefix. | ||
| func ExperimentNameCompletionFunc(o *options.ArgoRolloutsOptions) func(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) { | ||
| return func(c *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { | ||
| if len(args) != 0 { | ||
| return nil, cobra.ShellCompDirectiveNoFileComp | ||
| } | ||
| // list Experiments names | ||
| ctx := c.Context() | ||
| opts := metav1.ListOptions{} | ||
| expIf := o.RolloutsClientset().ArgoprojV1alpha1().Experiments(o.Namespace()) | ||
| expList, err := expIf.List(ctx, opts) | ||
| if err != nil { | ||
| return []string{}, cobra.ShellCompDirectiveError | ||
| } | ||
|
|
||
| var expNames []string | ||
| for _, exp := range expList.Items { | ||
| if strings.HasPrefix(exp.Name, toComplete) { | ||
| expNames = append(expNames, exp.Name) | ||
| } | ||
| } | ||
|
|
||
| return expNames, cobra.ShellCompDirectiveNoFileComp | ||
| } | ||
| } | ||
|
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||
| // AnalysisRunNameCompletionFunc Returns a completion function that completes as a first argument | ||
| // the AnalysisRuns names that match the toComplete prefix. | ||
| func AnalysisRunNameCompletionFunc(o *options.ArgoRolloutsOptions) func(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) { | ||
| return func(c *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { | ||
| if len(args) != 0 { | ||
| return nil, cobra.ShellCompDirectiveNoFileComp | ||
| } | ||
| // list AnalysisRuns names | ||
| ctx := c.Context() | ||
| opts := metav1.ListOptions{} | ||
| arIf := o.RolloutsClientset().ArgoprojV1alpha1().AnalysisRuns(o.Namespace()) | ||
| arList, err := arIf.List(ctx, opts) | ||
| if err != nil { | ||
| return []string{}, cobra.ShellCompDirectiveError | ||
| } | ||
|
|
||
| var arNames []string | ||
| for _, ar := range arList.Items { | ||
| if strings.HasPrefix(ar.Name, toComplete) { | ||
| arNames = append(arNames, ar.Name) | ||
| } | ||
| } | ||
|
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| return arNames, cobra.ShellCompDirectiveNoFileComp | ||
| } | ||
| } |
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