68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package tasks
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import (
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/cmd/ctr/commands"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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var killCommand = cli.Command{
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Name: "kill",
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Usage: "signal a container (default: SIGTERM)",
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ArgsUsage: "[flags] CONTAINER",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "signal, s",
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Value: "SIGTERM",
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Usage: "signal to send to the container",
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},
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cli.StringFlag{
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Name: "exec-id",
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Usage: "process ID to kill",
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},
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cli.BoolFlag{
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Name: "all, a",
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Usage: "send signal to all processes inside the container",
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},
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},
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Action: func(context *cli.Context) error {
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id := context.Args().First()
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if id == "" {
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return errors.New("container id must be provided")
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}
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signal, err := commands.ParseSignal(context.String("signal"))
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if err != nil {
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return err
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}
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var (
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all = context.Bool("all")
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execID = context.String("exec-id")
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opts []containerd.KillOpts
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)
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if all && execID != "" {
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return errors.New("specify an exec-id or all; not both")
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}
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client, ctx, cancel, err := commands.NewClient(context)
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if err != nil {
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return err
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}
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defer cancel()
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if all {
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opts = append(opts, containerd.WithKillAll)
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}
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if execID != "" {
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opts = append(opts, containerd.WithKillExecID(execID))
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}
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container, err := client.LoadContainer(ctx, id)
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if err != nil {
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return err
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}
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task, err := container.Task(ctx, nil)
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if err != nil {
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return err
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}
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return task.Kill(ctx, signal, opts...)
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},
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}
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