DockerCLI/command/container/stop.go

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package container
import (
"fmt"
"strings"
"time"
"golang.org/x/net/context"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
"github.com/spf13/cobra"
)
type stopOptions struct {
time int
timeChanged bool
containers []string
}
// NewStopCommand creates a new cobra.Command for `docker stop`
func NewStopCommand(dockerCli *command.DockerCli) *cobra.Command {
var opts stopOptions
cmd := &cobra.Command{
Use: "stop [OPTIONS] CONTAINER [CONTAINER...]",
Short: "Stop one or more running containers",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.containers = args
opts.timeChanged = cmd.Flags().Changed("time")
return runStop(dockerCli, &opts)
},
}
flags := cmd.Flags()
flags.IntVarP(&opts.time, "time", "t", 10, "Seconds to wait for stop before killing it")
return cmd
}
func runStop(dockerCli *command.DockerCli, opts *stopOptions) error {
ctx := context.Background()
var timeout *time.Duration
if opts.timeChanged {
timeoutValue := time.Duration(opts.time) * time.Second
timeout = &timeoutValue
}
var errs []string
errChan := parallelOperation(ctx, opts.containers, func(ctx context.Context, id string) error {
return dockerCli.Client().ContainerStop(ctx, id, timeout)
})
for _, container := range opts.containers {
if err := <-errChan; err != nil {
errs = append(errs, err.Error())
} else {
fmt.Fprintf(dockerCli.Out(), "%s\n", container)
}
}
if len(errs) > 0 {
return fmt.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}