github.com/containerd/nerdctl/v2@v2.0.0-beta.5.0.20240520001846-b5758f54fa28/pkg/cmd/container/restart.go (about) 1 /* 2 Copyright The containerd Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package container 18 19 import ( 20 "context" 21 "fmt" 22 23 "github.com/containerd/containerd" 24 "github.com/containerd/nerdctl/v2/pkg/api/types" 25 "github.com/containerd/nerdctl/v2/pkg/containerutil" 26 "github.com/containerd/nerdctl/v2/pkg/idutil/containerwalker" 27 ) 28 29 // Restart will restart one or more containers. 30 func Restart(ctx context.Context, client *containerd.Client, containers []string, options types.ContainerRestartOptions) error { 31 walker := &containerwalker.ContainerWalker{ 32 Client: client, 33 OnFound: func(ctx context.Context, found containerwalker.Found) error { 34 if found.MatchCount > 1 { 35 return fmt.Errorf("multiple IDs found with provided prefix: %s", found.Req) 36 } 37 if err := containerutil.Stop(ctx, found.Container, options.Timeout); err != nil { 38 return err 39 } 40 if err := containerutil.Start(ctx, found.Container, false, client, ""); err != nil { 41 return err 42 } 43 _, err := fmt.Fprintln(options.Stdout, found.Req) 44 return err 45 }, 46 } 47 48 return walker.WalkAll(ctx, containers, true) 49 }