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/*
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"
"github.com/docker/cli/cli/command"
"github.com/docker/compose/v2/pkg/api"
"github.com/spf13/cobra"
)
type attachOpts struct {
*composeOptions
service string
index int
detachKeys string
noStdin bool
proxy bool
}
func attachCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *cobra.Command {
opts := attachOpts{
composeOptions: &composeOptions{
ProjectOptions: p,
},
}
runCmd := &cobra.Command{
Use: "attach [OPTIONS] SERVICE",
Short: "Attach local standard input, output, and error streams to a service's running container",
Args: cobra.MinimumNArgs(1),
PreRunE: Adapt(func(ctx context.Context, args []string) error {
opts.service = args[0]
return nil
}),
RunE: Adapt(func(ctx context.Context, args []string) error {
return runAttach(ctx, dockerCli, backend, opts)
}),
ValidArgsFunction: completeServiceNames(dockerCli, p),
}
runCmd.Flags().IntVar(&opts.index, "index", 0, "index of the container if service has multiple replicas.")
runCmd.Flags().StringVarP(&opts.detachKeys, "detach-keys", "", "", "Override the key sequence for detaching from a container.")
runCmd.Flags().BoolVar(&opts.noStdin, "no-stdin", false, "Do not attach STDIN")
runCmd.Flags().BoolVar(&opts.proxy, "sig-proxy", true, "Proxy all received signals to the process")
return runCmd
}
func runAttach(ctx context.Context, dockerCli command.Cli, backend api.Service, opts attachOpts) error {
projectName, err := opts.toProjectName(ctx, dockerCli)
if err != nil {
return err
}
attachOpts := api.AttachOptions{
Service: opts.service,
Index: opts.index,
DetachKeys: opts.detachKeys,
NoStdin: opts.noStdin,
Proxy: opts.proxy,
}
return backend.Attach(ctx, projectName, attachOpts)
}
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