Ta-Ching ChenandGitHub
93d4b88d84
Before this PR, CLI functions fatal out when encountering error instead of returning it. Such behavior makes it hard to reuse the functions nor writing unit tests. This PR aims to make functions return errors instead of error out.
107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
/*
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Copyright 2019 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package httptrigger
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import (
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"fmt"
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"github.com/fission/fission/pkg/controller/client"
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"github.com/fission/fission/pkg/fission-cli/cliwrapper/cli"
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"github.com/fission/fission/pkg/fission-cli/util"
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"github.com/hashicorp/go-multierror"
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"github.com/pkg/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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type DeleteSubCommand struct {
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client *client.Client
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triggerName string
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functionName string
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namespace string
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}
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func Delete(flags cli.Input) error {
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c, err := util.GetServer(flags)
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if err != nil {
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return err
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}
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opts := DeleteSubCommand{
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client: c,
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}
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return opts.do(flags)
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}
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func (opts *DeleteSubCommand) do(flags cli.Input) error {
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err := opts.complete(flags)
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if err != nil {
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return err
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}
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return opts.run(flags)
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}
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func (opts *DeleteSubCommand) complete(flags cli.Input) error {
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opts.triggerName = flags.String("name")
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opts.functionName = flags.String("function")
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if len(opts.triggerName) == 0 && len(opts.functionName) == 0 {
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return errors.New("need --name or --function")
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} else if len(opts.triggerName) > 0 && len(opts.functionName) > 0 {
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return errors.New("need either of --name or --function and not both arguments")
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}
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opts.namespace = flags.String("triggerNamespace")
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return nil
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}
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func (opts *DeleteSubCommand) run(flags cli.Input) error {
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triggers, err := opts.client.HTTPTriggerList(opts.namespace)
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if err != nil {
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return errors.Wrap(err, "error getting HTTP trigger list")
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}
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var triggersToDelete []string
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if len(opts.functionName) > 0 {
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for _, trigger := range triggers {
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// TODO: delete canary http triggers as well.
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if trigger.Spec.FunctionReference.Name == opts.functionName {
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triggersToDelete = append(triggersToDelete, trigger.Metadata.Name)
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}
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}
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} else {
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triggersToDelete = []string{opts.triggerName}
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}
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errs := &multierror.Error{}
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for _, name := range triggersToDelete {
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err := opts.client.HTTPTriggerDelete(&metav1.ObjectMeta{
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Name: name,
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Namespace: opts.namespace,
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})
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if err != nil {
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errs = multierror.Append(errs, err)
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} else {
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fmt.Printf("trigger '%v' deleted\n", name)
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}
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}
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if errs.ErrorOrNil() != nil {
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return errors.Wrap(errs.ErrorOrNil(), "error deleting trigger(s)")
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}
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return nil
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}
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