1package main
2
3import (
4	"os"
5
6	"github.com/urfave/cli"
7)
8
9var createCommand = cli.Command{
10	Name:  "create",
11	Usage: "create a container",
12	ArgsUsage: `<container-id>
13
14Where "<container-id>" is your name for the instance of the container that you
15are starting. The name you provide for the container instance must be unique on
16your host.`,
17	Description: `The create command creates an instance of a container for a bundle. The bundle
18is a directory with a specification file named "` + specConfig + `" and a root
19filesystem.
20
21The specification file includes an args parameter. The args parameter is used
22to specify command(s) that get run when the container is started. To change the
23command(s) that get executed on start, edit the args parameter of the spec. See
24"runc spec --help" for more explanation.`,
25	Flags: []cli.Flag{
26		cli.StringFlag{
27			Name:  "bundle, b",
28			Value: "",
29			Usage: `path to the root of the bundle directory, defaults to the current directory`,
30		},
31		cli.StringFlag{
32			Name:  "console-socket",
33			Value: "",
34			Usage: "path to an AF_UNIX socket which will receive a file descriptor referencing the master end of the console's pseudoterminal",
35		},
36		cli.StringFlag{
37			Name:  "pid-file",
38			Value: "",
39			Usage: "specify the file to write the process id to",
40		},
41		cli.BoolFlag{
42			Name:  "no-pivot",
43			Usage: "do not use pivot root to jail process inside rootfs.  This should be used whenever the rootfs is on top of a ramdisk",
44		},
45		cli.BoolFlag{
46			Name:  "no-new-keyring",
47			Usage: "do not create a new session keyring for the container.  This will cause the container to inherit the calling processes session key",
48		},
49		cli.IntFlag{
50			Name:  "preserve-fds",
51			Usage: "Pass N additional file descriptors to the container (stdio + $LISTEN_FDS + N in total)",
52		},
53	},
54	Action: func(context *cli.Context) error {
55		if err := checkArgs(context, 1, exactArgs); err != nil {
56			return err
57		}
58		if err := revisePidFile(context); err != nil {
59			return err
60		}
61		spec, err := setupSpec(context)
62		if err != nil {
63			return err
64		}
65		status, err := startContainer(context, spec, CT_ACT_CREATE, nil)
66		if err != nil {
67			return err
68		}
69		// exit with the container's exit status so any external supervisor is
70		// notified of the exit with the correct exit status.
71		os.Exit(status)
72		return nil
73	},
74}
75