96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"os"
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"text/tabwriter"
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"github.com/Sirupsen/logrus"
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"github.com/codegangsta/cli"
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"github.com/docker/containerd/api/v1"
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)
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var ContainersCommand = cli.Command{
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Name: "containers",
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Usage: "interact with running containers",
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Subcommands: []cli.Command{
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StartCommand,
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ListCommand,
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KillCommand,
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},
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Action: listContainers,
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}
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var ListCommand = cli.Command{
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Name: "list",
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Usage: "list all running containers",
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Action: listContainers,
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}
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func listContainers(context *cli.Context) {
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c := v1.NewClient(context.GlobalString("addr"))
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containers, err := c.Containers()
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if err != nil {
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fatal(err.Error(), 1)
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}
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w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
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fmt.Fprint(w, "ID\tPATH\tSTATUS\n")
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for _, c := range containers {
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fmt.Fprintf(w, "%s\t%s\t%s\n", c.ID, c.BundlePath, c.State.Status)
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}
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if err := w.Flush(); err != nil {
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logrus.Fatal(err)
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}
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}
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var StartCommand = cli.Command{
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Name: "start",
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Usage: "start a container",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "id",
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Value: "",
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Usage: "id of the container",
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},
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},
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Action: func(context *cli.Context) {
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path := context.Args().First()
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if path == "" {
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fatal("bundle path cannot be empty", 1)
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}
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id := context.String("id")
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if id == "" {
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fatal("container id cannot be empty", 1)
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}
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c := v1.NewClient(context.GlobalString("addr"))
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if err := c.Start(id, path, ""); err != nil {
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fatal(err.Error(), 1)
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}
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},
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}
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var KillCommand = cli.Command{
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Name: "kill",
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Usage: "send a signal to a container or it's processes",
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Flags: []cli.Flag{
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cli.IntFlag{
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Name: "pid,p",
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Usage: "pid of the process to signal within the container",
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},
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cli.IntFlag{
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Name: "signal,s",
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Value: 15,
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Usage: "signal to send to the container",
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},
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},
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Action: func(context *cli.Context) {
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id := context.Args().First()
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if id == "" {
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fatal("container id cannot be empty", 1)
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}
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c := v1.NewClient(context.GlobalString("addr"))
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if err := c.SignalProcess(id, context.Int("pid"), context.Int("signal")); err != nil {
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fatal(err.Error(), 1)
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}
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},
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}
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