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  }