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kill.go
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kill.go
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package container
import (
"fmt"
"strings"
"golang.org/x/net/context"
"github.com/docker/docker/api/client"
"github.com/docker/docker/cli"
"github.com/spf13/cobra"
)
type killOptions struct {
signal string
containers []string
}
// NewKillCommand creats a new cobra.Command for `docker kill`
func NewKillCommand(dockerCli *client.DockerCli) *cobra.Command {
var opts killOptions
cmd := &cobra.Command{
Use: "kill [OPTIONS] CONTAINER [CONTAINER...]",
Short: "Kill one or more running containers",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.containers = args
return runKill(dockerCli, &opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.signal, "signal", "s", "KILL", "Signal to send to the container")
return cmd
}
func runKill(dockerCli *client.DockerCli, opts *killOptions) error {
var errs []string
ctx := context.Background()
for _, name := range opts.containers {
if err := dockerCli.Client().ContainerKill(ctx, name, opts.signal); err != nil {
errs = append(errs, err.Error())
} else {
fmt.Fprintf(dockerCli.Out(), "%s\n", name)
}
}
if len(errs) > 0 {
return fmt.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}