compose/cli/cmd/compose/logs.go

76 lines
2.3 KiB
Go

/*
Copyright 2020 Docker Compose CLI authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package compose
import (
"context"
"os"
"github.com/spf13/cobra"
"github.com/docker/compose-cli/api/compose"
"github.com/docker/compose-cli/api/context/store"
"github.com/docker/compose-cli/cli/formatter"
)
type logsOptions struct {
*projectOptions
composeOptions
follow bool
tail string
noColor bool
noPrefix bool
timestamps bool
}
func logsCommand(p *projectOptions, contextType string, backend compose.Service) *cobra.Command {
opts := logsOptions{
projectOptions: p,
}
logsCmd := &cobra.Command{
Use: "logs [service...]",
Short: "View output from containers",
RunE: func(cmd *cobra.Command, args []string) error {
return runLogs(cmd.Context(), backend, opts, args)
},
}
flags := logsCmd.Flags()
flags.BoolVarP(&opts.follow, "follow", "f", false, "Follow log output.")
flags.BoolVar(&opts.noColor, "no-color", false, "Produce monochrome output.")
flags.BoolVar(&opts.noPrefix, "no-log-prefix", false, "Don't print prefix in logs.")
flags.BoolVarP(&opts.timestamps, "timestamps", "t", false, "Show timestamps.")
if contextType == store.DefaultContextType {
flags.StringVar(&opts.tail, "tail", "all", "Number of lines to show from the end of the logs for each container.")
}
return logsCmd
}
func runLogs(ctx context.Context, backend compose.Service, opts logsOptions, services []string) error {
projectName, err := opts.toProjectName()
if err != nil {
return err
}
consumer := formatter.NewLogConsumer(ctx, os.Stdout, !opts.noColor, !opts.noPrefix)
return backend.Logs(ctx, projectName, consumer, compose.LogOptions{
Services: services,
Follow: opts.follow,
Tail: opts.tail,
Timestamps: opts.timestamps,
})
}