github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/container_kill.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  	"github.com/containerd/containerd"
    21  	"github.com/containerd/nerdctl/pkg/api/types"
    22  	"github.com/containerd/nerdctl/pkg/clientutil"
    23  	"github.com/containerd/nerdctl/pkg/cmd/container"
    24  	"github.com/spf13/cobra"
    25  )
    26  
    27  func newKillCommand() *cobra.Command {
    28  	var killCommand = &cobra.Command{
    29  		Use:               "kill [flags] CONTAINER [CONTAINER, ...]",
    30  		Short:             "Kill one or more running containers",
    31  		Args:              cobra.MinimumNArgs(1),
    32  		RunE:              killAction,
    33  		ValidArgsFunction: killShellComplete,
    34  		SilenceUsage:      true,
    35  		SilenceErrors:     true,
    36  	}
    37  	killCommand.Flags().StringP("signal", "s", "KILL", "Signal to send to the container")
    38  	return killCommand
    39  }
    40  
    41  func killAction(cmd *cobra.Command, args []string) error {
    42  	globalOptions, err := processRootCmdFlags(cmd)
    43  	if err != nil {
    44  		return err
    45  	}
    46  	killSignal, err := cmd.Flags().GetString("signal")
    47  	if err != nil {
    48  		return err
    49  	}
    50  	options := types.ContainerKillOptions{
    51  		GOptions:   globalOptions,
    52  		KillSignal: killSignal,
    53  		Stdout:     cmd.OutOrStdout(),
    54  		Stderr:     cmd.ErrOrStderr(),
    55  	}
    56  
    57  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), options.GOptions.Namespace, options.GOptions.Address)
    58  	if err != nil {
    59  		return err
    60  	}
    61  	defer cancel()
    62  
    63  	return container.Kill(ctx, client, args, options)
    64  }
    65  
    66  func killShellComplete(cmd *cobra.Command, _ []string, _ string) ([]string, cobra.ShellCompDirective) {
    67  	// show non-stopped container names
    68  	statusFilterFn := func(st containerd.ProcessStatus) bool {
    69  		return st != containerd.Stopped && st != containerd.Created && st != containerd.Unknown
    70  	}
    71  	return shellCompleteContainerNames(cmd, statusFilterFn)
    72  }