Use code-generator to generate clientset/informer/lister (#1492)

To reduce maintenance effort and avoid writing duplicate informer code,
use code-generator to generate clientset/informer/lister code.

pkg/fission-cli/cmd/httptrigger/create.go

@@ -107,7 +107,7 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 		}
 		for _, fn := range functionList {
 			exists, err := fr.ExistsInSpecs(fv1.Function{
-				Metadata: metav1.ObjectMeta{
+				ObjectMeta: metav1.ObjectMeta{
 					Name:      fn,
 					Namespace: fnNamespace,
 				},
@@ -138,7 +138,7 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 	host := input.String(flagkey.HtHost)
 
 	opts.trigger = &fv1.HTTPTrigger{
-		Metadata: metav1.ObjectMeta{
+		ObjectMeta: metav1.ObjectMeta{
 			Name:      triggerName,
 			Namespace: fnNamespace,
 		},
@@ -158,7 +158,7 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 func (opts *CreateSubCommand) run(input cli.Input) error {
 	// if we're writing a spec, don't call the API
 	if input.Bool(flagkey.SpecSave) {
-		specFile := fmt.Sprintf("route-%v.yaml", opts.trigger.Metadata.Name)
+		specFile := fmt.Sprintf("route-%v.yaml", opts.trigger.ObjectMeta.Name)
 		err := spec.SpecSave(*opts.trigger, specFile)
 		if err != nil {
 			return errors.Wrap(err, "error creating HTTP trigger spec")
@@ -171,7 +171,7 @@ func (opts *CreateSubCommand) run(input cli.Input) error {
 		return errors.Wrap(err, "create HTTP trigger")
 	}
 
-	fmt.Printf("trigger '%v' created\n", opts.trigger.Metadata.Name)
+	fmt.Printf("trigger '%v' created\n", opts.trigger.ObjectMeta.Name)
 
 	return nil
 }

pkg/fission-cli/cmd/httptrigger/delete.go

@@ -72,7 +72,7 @@ func (opts *DeleteSubCommand) run(input cli.Input) error {
 		for _, trigger := range triggers {
 			// TODO: delete canary http triggers as well.
 			if trigger.Spec.FunctionReference.Name == opts.functionName {
-				triggersToDelete = append(triggersToDelete, trigger.Metadata.Name)
+				triggersToDelete = append(triggersToDelete, trigger.ObjectMeta.Name)
 			}
 		}
 	} else {

pkg/fission-cli/cmd/httptrigger/get.go

@@ -87,7 +87,7 @@ func printHtSummary(triggers []fv1.HTTPTrigger) {
 		ann := strings.Join(msg, ", ")
 
 		fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\n",
-			trigger.Metadata.Name, trigger.Spec.Method, trigger.Spec.RelativeURL, function, trigger.Spec.CreateIngress, host, path, trigger.Spec.IngressConfig.TLS, ann)
+			trigger.ObjectMeta.Name, trigger.Spec.Method, trigger.Spec.RelativeURL, function, trigger.Spec.CreateIngress, host, path, trigger.Spec.IngressConfig.TLS, ann)
 	}
 	w.Flush()
 }

pkg/fission-cli/cmd/httptrigger/update.go

@@ -117,6 +117,6 @@ func (opts *UpdateSubCommand) run(input cli.Input) error {
 	if err != nil {
 		return errors.Wrap(err, "error updating the HTTP trigger")
 	}
-	fmt.Printf("trigger '%v' updated\n", opts.trigger.Metadata.Name)
+	fmt.Printf("trigger '%v' updated\n", opts.trigger.ObjectMeta.Name)
 	return nil
 }