github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/compose_pause.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/clientutil"
    21  	"github.com/containerd/nerdctl/pkg/cmd/compose"
    22  	"github.com/spf13/cobra"
    23  )
    24  
    25  func newComposePauseCommand() *cobra.Command {
    26  	var composePauseCommand = &cobra.Command{
    27  		Use:                   "pause [SERVICE...]",
    28  		Short:                 "Pause all processes within containers of service(s). They can be unpaused with nerdctl compose unpause",
    29  		RunE:                  composePauseAction,
    30  		SilenceUsage:          true,
    31  		SilenceErrors:         true,
    32  		DisableFlagsInUseLine: true,
    33  	}
    34  	return composePauseCommand
    35  }
    36  
    37  func composePauseAction(cmd *cobra.Command, args []string) error {
    38  	globalOptions, err := processRootCmdFlags(cmd)
    39  	if err != nil {
    40  		return err
    41  	}
    42  
    43  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), globalOptions.Namespace, globalOptions.Address)
    44  	if err != nil {
    45  		return err
    46  	}
    47  	defer cancel()
    48  	options, err := getComposeOptions(cmd, globalOptions.DebugFull, globalOptions.Experimental)
    49  	if err != nil {
    50  		return err
    51  	}
    52  	c, err := compose.New(client, globalOptions, options, cmd.OutOrStdout(), cmd.ErrOrStderr())
    53  	if err != nil {
    54  		return err
    55  	}
    56  
    57  	return c.Pause(ctx, args, cmd.OutOrStdout())
    58  }
    59  
    60  func newComposeUnpauseCommand() *cobra.Command {
    61  	var composeUnpauseCommand = &cobra.Command{
    62  		Use:                   "unpause [SERVICE...]",
    63  		Short:                 "Unpause all processes within containers of service(s).",
    64  		RunE:                  composeUnpauseAction,
    65  		SilenceUsage:          true,
    66  		SilenceErrors:         true,
    67  		DisableFlagsInUseLine: true,
    68  	}
    69  	return composeUnpauseCommand
    70  }
    71  
    72  func composeUnpauseAction(cmd *cobra.Command, args []string) error {
    73  	globalOptions, err := processRootCmdFlags(cmd)
    74  	if err != nil {
    75  		return err
    76  	}
    77  
    78  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), globalOptions.Namespace, globalOptions.Address)
    79  	if err != nil {
    80  		return err
    81  	}
    82  	defer cancel()
    83  
    84  	options, err := getComposeOptions(cmd, globalOptions.DebugFull, globalOptions.Experimental)
    85  	if err != nil {
    86  		return err
    87  	}
    88  	c, err := compose.New(client, globalOptions, options, cmd.OutOrStdout(), cmd.ErrOrStderr())
    89  	if err != nil {
    90  		return err
    91  	}
    92  
    93  	return c.Unpause(ctx, args, cmd.OutOrStdout())
    94  }