containerd/ctr/start.go
Alexander Morozov 18d01f19e4 Fix compilation for all tags
Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-12-07 12:39:24 -08:00

96 lines
2.1 KiB
Go

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