github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/container_stop.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 main
    18  
    19  import (
    20  	"time"
    21  
    22  	"github.com/containerd/containerd"
    23  	"github.com/containerd/nerdctl/pkg/api/types"
    24  	"github.com/containerd/nerdctl/pkg/clientutil"
    25  	"github.com/containerd/nerdctl/pkg/cmd/container"
    26  	"github.com/spf13/cobra"
    27  )
    28  
    29  func newStopCommand() *cobra.Command {
    30  	var stopCommand = &cobra.Command{
    31  		Use:               "stop [flags] CONTAINER [CONTAINER, ...]",
    32  		Args:              cobra.MinimumNArgs(1),
    33  		Short:             "Stop one or more running containers",
    34  		RunE:              stopAction,
    35  		ValidArgsFunction: stopShellComplete,
    36  		SilenceUsage:      true,
    37  		SilenceErrors:     true,
    38  	}
    39  	stopCommand.Flags().IntP("time", "t", 10, "Seconds to wait before sending a SIGKILL")
    40  	return stopCommand
    41  }
    42  
    43  func processContainerStopOptions(cmd *cobra.Command) (types.ContainerStopOptions, error) {
    44  	globalOptions, err := processRootCmdFlags(cmd)
    45  	if err != nil {
    46  		return types.ContainerStopOptions{}, err
    47  	}
    48  	var timeout *time.Duration
    49  	if cmd.Flags().Changed("time") {
    50  		timeValue, err := cmd.Flags().GetInt("time")
    51  		if err != nil {
    52  			return types.ContainerStopOptions{}, err
    53  		}
    54  		t := time.Duration(timeValue) * time.Second
    55  		timeout = &t
    56  	}
    57  	return types.ContainerStopOptions{
    58  		Stdout:   cmd.OutOrStdout(),
    59  		Stderr:   cmd.ErrOrStderr(),
    60  		GOptions: globalOptions,
    61  		Timeout:  timeout,
    62  	}, nil
    63  }
    64  
    65  func stopAction(cmd *cobra.Command, args []string) error {
    66  	options, err := processContainerStopOptions(cmd)
    67  	if err != nil {
    68  		return err
    69  	}
    70  
    71  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), options.GOptions.Namespace, options.GOptions.Address)
    72  	if err != nil {
    73  		return err
    74  	}
    75  	defer cancel()
    76  
    77  	return container.Stop(ctx, client, args, options)
    78  }
    79  
    80  func stopShellComplete(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    81  	// show non-stopped container names
    82  	statusFilterFn := func(st containerd.ProcessStatus) bool {
    83  		return st != containerd.Stopped && st != containerd.Created && st != containerd.Unknown
    84  	}
    85  	return shellCompleteContainerNames(cmd, statusFilterFn)
    86  }