100 lines
3.3 KiB
Go
100 lines
3.3 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package compose
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import (
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"context"
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"errors"
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"github.com/docker/cli/cli/command"
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"github.com/spf13/cobra"
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"github.com/docker/compose/v2/cmd/formatter"
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"github.com/docker/compose/v2/pkg/api"
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)
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type logsOptions struct {
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*ProjectOptions
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composeOptions
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follow bool
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index int
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tail string
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since string
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until string
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noColor bool
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noPrefix bool
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timestamps bool
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}
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func logsCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *cobra.Command {
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opts := logsOptions{
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ProjectOptions: p,
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}
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logsCmd := &cobra.Command{
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Use: "logs [OPTIONS] [SERVICE...]",
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Short: "View output from containers",
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RunE: Adapt(func(ctx context.Context, args []string) error {
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return runLogs(ctx, dockerCli, backend, opts, args)
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}),
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PreRunE: func(cmd *cobra.Command, args []string) error {
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if opts.index > 0 && len(args) != 1 {
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return errors.New("--index requires one service to be selected")
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}
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return nil
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},
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ValidArgsFunction: completeServiceNames(dockerCli, p),
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}
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flags := logsCmd.Flags()
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flags.BoolVarP(&opts.follow, "follow", "f", false, "Follow log output")
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flags.IntVar(&opts.index, "index", 0, "index of the container if service has multiple replicas")
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flags.StringVar(&opts.since, "since", "", "Show logs since timestamp (e.g. 2013-01-02T13:23:37Z) or relative (e.g. 42m for 42 minutes)")
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flags.StringVar(&opts.until, "until", "", "Show logs before a timestamp (e.g. 2013-01-02T13:23:37Z) or relative (e.g. 42m for 42 minutes)")
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flags.BoolVar(&opts.noColor, "no-color", false, "Produce monochrome output")
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flags.BoolVar(&opts.noPrefix, "no-log-prefix", false, "Don't print prefix in logs")
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flags.BoolVarP(&opts.timestamps, "timestamps", "t", false, "Show timestamps")
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flags.StringVarP(&opts.tail, "tail", "n", "all", "Number of lines to show from the end of the logs for each container")
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return logsCmd
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}
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func runLogs(ctx context.Context, dockerCli command.Cli, backend api.Service, opts logsOptions, services []string) error {
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project, name, err := opts.projectOrName(ctx, dockerCli, services...)
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if err != nil {
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return err
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}
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// exclude services configured to ignore output (attach: false), until explicitly selected
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if project != nil && len(services) == 0 {
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for n, service := range project.Services {
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if service.Attach == nil || *service.Attach {
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services = append(services, n)
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}
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}
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}
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consumer := formatter.NewLogConsumer(ctx, dockerCli.Out(), dockerCli.Err(), !opts.noColor, !opts.noPrefix, false)
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return backend.Logs(ctx, name, consumer, api.LogOptions{
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Project: project,
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Services: services,
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Follow: opts.follow,
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Index: opts.index,
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Tail: opts.tail,
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Since: opts.since,
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Until: opts.until,
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Timestamps: opts.timestamps,
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})
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}
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