github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/container_commit.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/nerdctl/pkg/api/types"
    21  	"github.com/containerd/nerdctl/pkg/clientutil"
    22  	"github.com/containerd/nerdctl/pkg/cmd/container"
    23  	"github.com/spf13/cobra"
    24  )
    25  
    26  func newCommitCommand() *cobra.Command {
    27  	var commitCommand = &cobra.Command{
    28  		Use:               "commit [flags] CONTAINER REPOSITORY[:TAG]",
    29  		Short:             "Create a new image from a container's changes",
    30  		Args:              IsExactArgs(2),
    31  		RunE:              commitAction,
    32  		ValidArgsFunction: commitShellComplete,
    33  		SilenceUsage:      true,
    34  		SilenceErrors:     true,
    35  	}
    36  	commitCommand.Flags().StringP("author", "a", "", `Author (e.g., "nerdctl contributor <nerdctl-dev@example.com>")`)
    37  	commitCommand.Flags().StringP("message", "m", "", "Commit message")
    38  	commitCommand.Flags().StringArrayP("change", "c", nil, "Apply Dockerfile instruction to the created image (supported directives: [CMD, ENTRYPOINT])")
    39  	commitCommand.Flags().BoolP("pause", "p", true, "Pause container during commit")
    40  	return commitCommand
    41  }
    42  
    43  func processCommitCommandOptions(cmd *cobra.Command) (types.ContainerCommitOptions, error) {
    44  	globalOptions, err := processRootCmdFlags(cmd)
    45  	if err != nil {
    46  		return types.ContainerCommitOptions{}, err
    47  	}
    48  	author, err := cmd.Flags().GetString("author")
    49  	if err != nil {
    50  		return types.ContainerCommitOptions{}, err
    51  	}
    52  	message, err := cmd.Flags().GetString("message")
    53  	if err != nil {
    54  		return types.ContainerCommitOptions{}, err
    55  	}
    56  	pause, err := cmd.Flags().GetBool("pause")
    57  	if err != nil {
    58  		return types.ContainerCommitOptions{}, err
    59  	}
    60  
    61  	change, err := cmd.Flags().GetStringArray("change")
    62  	if err != nil {
    63  		return types.ContainerCommitOptions{}, err
    64  	}
    65  
    66  	return types.ContainerCommitOptions{
    67  		Stdout:   cmd.OutOrStdout(),
    68  		GOptions: globalOptions,
    69  		Author:   author,
    70  		Message:  message,
    71  		Pause:    pause,
    72  		Change:   change,
    73  	}, nil
    74  
    75  }
    76  
    77  func commitAction(cmd *cobra.Command, args []string) error {
    78  	options, err := processCommitCommandOptions(cmd)
    79  	if err != nil {
    80  		return err
    81  	}
    82  
    83  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), options.GOptions.Namespace, options.GOptions.Address)
    84  	if err != nil {
    85  		return err
    86  	}
    87  	defer cancel()
    88  
    89  	return container.Commit(ctx, client, args[1], args[0], options)
    90  }
    91  
    92  func commitShellComplete(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    93  	if len(args) == 0 {
    94  		return shellCompleteContainerNames(cmd, nil)
    95  	}
    96  	return nil, cobra.ShellCompDirectiveNoFileComp
    97  }