Ta-Ching ChenandGitHub
bfbb80efcf
This PR adds an interface for controller API client, it allows us to implement mock API client for unit testing with ease and we are able to generate spec file without accessing the real Fission server.
129 lines
3.4 KiB
Go
129 lines
3.4 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 _package
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import (
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"fmt"
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"github.com/pkg/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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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/cmd"
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flagkey "github.com/fission/fission/pkg/fission-cli/flag/key"
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)
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type DeleteSubCommand struct {
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cmd.CommandActioner
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name string
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namespace string
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deleteOrphans bool
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force bool
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}
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func Delete(input cli.Input) error {
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return (&DeleteSubCommand{}).do(input)
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}
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func (opts *DeleteSubCommand) do(input cli.Input) error {
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err := opts.complete(input)
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if err != nil {
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return err
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}
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return opts.run(input)
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}
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func (opts *DeleteSubCommand) complete(input cli.Input) error {
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opts.name = input.String(flagkey.PkgName)
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opts.namespace = input.String(flagkey.NamespacePackage)
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opts.deleteOrphans = input.Bool(flagkey.PkgOrphan)
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opts.force = input.Bool(flagkey.PkgForce)
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if len(opts.name) == 0 && !opts.deleteOrphans {
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return errors.Errorf("need --%v or --%v flag", flagkey.PkgName, flagkey.PkgOrphan)
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}
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return nil
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}
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func (opts *DeleteSubCommand) run(input cli.Input) error {
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if len(opts.name) != 0 {
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_, err := opts.Client().V1().Package().Get(&metav1.ObjectMeta{
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Namespace: opts.namespace,
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Name: opts.name,
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})
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if err != nil {
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return errors.Wrap(err, "find package")
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}
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fnList, err := GetFunctionsByPackage(opts.Client(), opts.name, opts.namespace)
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if err != nil {
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return err
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}
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if !opts.force && len(fnList) > 0 {
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return errors.New("Package is used by at least one function, use -f to force delete")
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}
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err = deletePackage(opts.Client(), opts.name, opts.namespace)
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if err != nil {
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return err
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}
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fmt.Printf("Package '%v' deleted\n", opts.name)
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}
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// TODO improve list speed when --orphan
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if opts.deleteOrphans {
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err := deleteOrphanPkgs(opts.Client(), opts.namespace)
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if err != nil {
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return errors.Wrap(err, "deleting orphan packages")
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}
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fmt.Println("Orphan packages deleted")
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}
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return nil
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}
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func deleteOrphanPkgs(client client.Interface, pkgNamespace string) error {
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pkgList, err := client.V1().Package().List(pkgNamespace)
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if err != nil {
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return err
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}
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// range through all packages and find out the ones not referenced by any function
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for _, pkg := range pkgList {
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fnList, err := GetFunctionsByPackage(client, pkg.Metadata.Name, pkgNamespace)
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if err != nil {
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return errors.Wrap(err, fmt.Sprintf("get functions sharing package %s", pkg.Metadata.Name))
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}
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if len(fnList) == 0 {
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err = deletePackage(client, pkg.Metadata.Name, pkgNamespace)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func deletePackage(client client.Interface, pkgName string, pkgNamespace string) error {
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return client.V1().Package().Delete(&metav1.ObjectMeta{
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Namespace: pkgNamespace,
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Name: pkgName,
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})
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}
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