mirror of https://github.com/chaos-mesh/chaosd.git
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
// Copyright 2020 Chaos Mesh Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package recover
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import (
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"context"
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"fmt"
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"github.com/spf13/cobra"
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"go.uber.org/fx"
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"github.com/pingcap/errors"
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"github.com/pingcap/log"
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"github.com/chaos-mesh/chaosd/cmd/server"
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"github.com/chaos-mesh/chaosd/pkg/server/chaosd"
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"github.com/chaos-mesh/chaosd/pkg/utils"
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)
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type recoverCommand struct {
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uid string
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}
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func NewRecoverCommand() *cobra.Command {
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options := &recoverCommand{}
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dep := fx.Options(
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server.Module,
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fx.Provide(func() *recoverCommand {
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return options
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}),
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)
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cmd := &cobra.Command{
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Use: "recover UID",
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Short: "Recover a chaos experiment",
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Args: cobra.MinimumNArgs(1),
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ValidArgsFunction: completeUid,
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Run: func(cmd *cobra.Command, args []string) {
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if len(args) == 0 {
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utils.ExitWithMsg(utils.ExitBadArgs, "UID is required")
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}
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options.uid = args[0]
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utils.FxNewAppWithoutLog(dep, fx.Invoke(recoverCommandF)).Run()
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},
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}
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return cmd
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}
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func recoverCommandF(chaos *chaosd.Server, options *recoverCommand) {
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err := chaos.RecoverAttack(options.uid)
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if err != nil {
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utils.ExitWithError(utils.ExitError, err)
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}
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utils.NormalExit(fmt.Sprintf("Recover %s successfully", options.uid))
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}
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func completeUid(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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completionCtx := newCompletionCtx()
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completionDep := fx.Options(
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server.Module,
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fx.Provide(func() *completionContext {
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return completionCtx
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}),
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)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go func() {
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if err := utils.FxNewAppWithoutLog(completionDep, fx.Invoke(listUid)).Start(ctx); err != nil {
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log.Error(errors.Wrap(err, "start application").Error())
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}
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}()
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var uids []string
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for {
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select {
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case uid := <-completionCtx.uids:
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if len(uid) == 0 {
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return uids, cobra.ShellCompDirectiveNoFileComp
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}
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uids = append(uids, uid)
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case err := <-completionCtx.err:
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log.Error(err.Error())
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return nil, cobra.ShellCompDirectiveNoFileComp
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}
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}
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}
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