Refactor HTTP trigger command (#1367)

2019-10-31 23:40:37 +08:00
parent fc1aab2472
commit fe02bb1678
8 changed files with 645 additions and 385 deletions
@@ -0,0 +1,104 @@
+/*
+Copyright 2019 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package httptrigger
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/go-multierror"
+	"github.com/pkg/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/fission/fission/pkg/controller/client"
+	"github.com/fission/fission/pkg/fission-cli/cliwrapper/cli"
+	"github.com/fission/fission/pkg/fission-cli/cmd"
+)
+
+type DeleteSubCommand struct {
+	client       *client.Client
+	triggerName  string
+	functionName string
+	namespace    string
+}
+
+func Delete(flags cli.Input) error {
+	opts := DeleteSubCommand{
+		client: cmd.GetServer(flags),
+	}
+	return opts.do(flags)
+}
+
+func (opts *DeleteSubCommand) do(flags cli.Input) error {
+	err := opts.complete(flags)
+	if err != nil {
+		return err
+	}
+	return opts.run(flags)
+}
+
+// complete creates a environment objects and populates it with default value and CLI inputs.
+func (opts *DeleteSubCommand) complete(flags cli.Input) error {
+	opts.triggerName = flags.String("name")
+	opts.functionName = flags.String("function")
+	if len(opts.triggerName) == 0 && len(opts.functionName) == 0 {
+		return errors.New("need --name or --function")
+	} else if len(opts.triggerName) > 0 && len(opts.functionName) > 0 {
+		return errors.New("need either of --name or --function and not both arguments")
+	}
+	opts.namespace = flags.String("triggerNamespace")
+	return nil
+}
+
+func (opts *DeleteSubCommand) run(flags cli.Input) error {
+	triggers, err := opts.client.HTTPTriggerList(opts.namespace)
+	if err != nil {
+		return errors.Wrap(err, "error getting HTTP trigger list")
+	}
+
+	var triggersToDelete []string
+
+	if len(opts.functionName) > 0 {
+		for _, trigger := range triggers {
+			// TODO: delete canary http triggers as well.
+			if trigger.Spec.FunctionReference.Name == opts.functionName {
+				triggersToDelete = append(triggersToDelete, trigger.Metadata.Name)
+			}
+		}
+	} else {
+		triggersToDelete = []string{opts.triggerName}
+	}
+
+	errs := &multierror.Error{}
+
+	for _, name := range triggersToDelete {
+		err := opts.client.HTTPTriggerDelete(&metav1.ObjectMeta{
+			Name:      name,
+			Namespace: opts.namespace,
+		})
+		if err != nil {
+			errs = multierror.Append(errs, err)
+		} else {
+			fmt.Printf("trigger '%v' deleted\n", name)
+		}
+	}
+
+	if errs.ErrorOrNil() != nil {
+		return errors.Wrap(errs.ErrorOrNil(), "error deleting trigger(s)")
+	}
+
+	return nil
+}