github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/compose_logs.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/containerd/nerdctl/pkg/composer"
    23  	"github.com/spf13/cobra"
    24  )
    25  
    26  func newComposeLogsCommand() *cobra.Command {
    27  	var composeLogsCommand = &cobra.Command{
    28  		Use:           "logs [flags] [SERVICE...]",
    29  		Short:         "Show logs of running containers",
    30  		RunE:          composeLogsAction,
    31  		SilenceUsage:  true,
    32  		SilenceErrors: true,
    33  	}
    34  	composeLogsCommand.Flags().BoolP("follow", "f", false, "Follow log output.")
    35  	composeLogsCommand.Flags().BoolP("timestamps", "t", false, "Show timestamps")
    36  	composeLogsCommand.Flags().String("tail", "all", "Number of lines to show from the end of the logs")
    37  	composeLogsCommand.Flags().Bool("no-color", false, "Produce monochrome output")
    38  	composeLogsCommand.Flags().Bool("no-log-prefix", false, "Don't print prefix in logs")
    39  	return composeLogsCommand
    40  }
    41  
    42  func composeLogsAction(cmd *cobra.Command, args []string) error {
    43  	globalOptions, err := processRootCmdFlags(cmd)
    44  	if err != nil {
    45  		return err
    46  	}
    47  	follow, err := cmd.Flags().GetBool("follow")
    48  	if err != nil {
    49  		return err
    50  	}
    51  	timestamps, err := cmd.Flags().GetBool("timestamps")
    52  	if err != nil {
    53  		return err
    54  	}
    55  	tail, err := cmd.Flags().GetString("tail")
    56  	if err != nil {
    57  		return err
    58  	}
    59  	noColor, err := cmd.Flags().GetBool("no-color")
    60  	if err != nil {
    61  		return err
    62  	}
    63  	noLogPrefix, err := cmd.Flags().GetBool("no-log-prefix")
    64  	if err != nil {
    65  		return err
    66  	}
    67  
    68  	client, ctx, cancel, err := clientutil.NewClient(cmd.Context(), globalOptions.Namespace, globalOptions.Address)
    69  	if err != nil {
    70  		return err
    71  	}
    72  	defer cancel()
    73  	options, err := getComposeOptions(cmd, globalOptions.DebugFull, globalOptions.Experimental)
    74  	if err != nil {
    75  		return err
    76  	}
    77  	c, err := compose.New(client, globalOptions, options, cmd.OutOrStdout(), cmd.ErrOrStderr())
    78  	if err != nil {
    79  		return err
    80  	}
    81  
    82  	lo := composer.LogsOptions{
    83  		Follow:      follow,
    84  		Timestamps:  timestamps,
    85  		Tail:        tail,
    86  		NoColor:     noColor,
    87  		NoLogPrefix: noLogPrefix,
    88  	}
    89  	return c.Logs(ctx, lo, args)
    90  }