Exemplo n.º 1
0
func init() {
	cmd := &cobra.Command{
		Use:   "exec [-u username] [-U username] UUID|TAG COMMAND",
		Short: "Execute command inside the jail.",
		Run:   execCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if hostUser != "" && jailUser != "" {
				gologit.Fatalln("Cannot supply both -u and -U")
			}
			arglen := len(args)
			if arglen < 1 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
			if arglen < 2 {
				gologit.Fatalln("Required command not provided")
			}
		},
	}

	cmd.Flags().StringVarP(
		&hostUser, "host-user", "u", "",
		"user name from host environment as whom the command should run")
	cmd.Flags().StringVarP(
		&jailUser, "jail-user", "U", "",
		"user name from jailed environment as whom the command should run")

	RootCmd.AddCommand(cmd)
}
Exemplo n.º 2
0
func setCmdRun(cmd *cobra.Command, args []string) {
	// requires root
	if !core.IsRoot() {
		gologit.Fatalf("Must be root to set properties\n")
	}

	if len(args) < 2 {
		gologit.Fatalln("Improper usage")
	}

	jail, err := core.FindJail(args[0])
	if err != nil {
		gologit.Fatalf("No jail found by '%s'\n", args[0])
	}

	props, err := ParseProps(args[1:]...)
	if err != nil {
		gologit.Fatalln(err)
	}

	for _, prop := range props {
		prefix := ""
		if _, ok := CustomProperties[prop[0]]; ok {
			prefix = "org.freebsd.iocage:"
		}
		zfsArgs := []string{
			"set",
			fmt.Sprintf("%s%s=%s", prefix, prop[0], prop[1]),
			jail.Path,
		}
		core.ZFSMust(fmt.Errorf("Error setting property"), zfsArgs...)
	}
}
Exemplo n.º 3
0
func init() {
	ReleaseCmd := &cobra.Command{
		Use:   "release",
		Short: "Operations for listing and fetching releases",
	}

	ReleaseCmd.AddCommand(&cobra.Command{
		Use:   "list",
		Short: "List all releases",
		Run:   releaseListCmdRun,
	})

	ReleaseCmd.AddCommand(&cobra.Command{
		Use:   "destroy RELEASE",
		Short: "Remove a release",
		Run:   releaseDestroyCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required RELEASE not provided")
			}
		},
	})

	fetchCommand := &cobra.Command{
		Use:   "fetch RELEASE",
		Short: "Fetch/add a release",
		Run:   releaseFetchCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required RELEASE not provided")
			}
		},
	}

	fetchCommand.Flags().StringVarP(
		&mirrorHost, "mirror-host", "", "ftp.freebsd.org",
		"set mirror hostname")
	fetchCommand.Flags().StringVarP(
		&mirrorDir, "mirror-dir", "", "/pub/FreeBSD/releases/amd64/amd64/",
		"set mirror hostname")
	fetchCommand.Flags().StringVarP(
		&fetchSets, "sets", "s", "base.txz doc.txz lib32.txz src.txz",
		"sets to fetch for a release")

	ReleaseCmd.AddCommand(fetchCommand)

	ReleaseCmd.AddCommand(&cobra.Command{
		Use:   "update RELEASE",
		Short: "Update a release to most recent patchset",
		Run:   releaseUpdateCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required RELEASE not provided")
			}
		},
	})

	RootCmd.AddCommand(ReleaseCmd)
}
Exemplo n.º 4
0
func init() {
	cmd := &cobra.Command{
		Use:   "rollback UUID|TAG snapshotname",
		Short: "Rollback jail to a particular snapshot",
		Run:   rollbackCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
			if len(args) == 1 {
				gologit.Fatalln("Required snapshotname not provided")
			}
		},
	}

	RootCmd.AddCommand(cmd)
}
Exemplo n.º 5
0
func init() {
	cmd := &cobra.Command{
		Use:   "snapremove UUID|TAG snapshotname [snapshotname ...]",
		Short: "Remove snapshots belonging to jail",
		Run:   snapremoveCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			} else if len(args) == 1 {
				gologit.Fatalln("Required snapshotname not provided")
			}
		},
	}

	cmd.Flags().BoolVarP(
		&snapremoveRegex, "regex", "x", false,
		"snapshotname becomes a match regex")

	RootCmd.AddCommand(cmd)
}
Exemplo n.º 6
0
func init() {
	RootCmd.AddCommand(&cobra.Command{
		Use:   "console UUID|TAG",
		Short: "Execute login to have a shell inside the jail.",
		Run:   consoleCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	})
}
Exemplo n.º 7
0
func init() {
	RootCmd.AddCommand(&cobra.Command{
		Use:   "stop UUID|TAG",
		Short: "stop jail",
		Long:  "Stop jail identified by UUID or TAG.",
		Run:   stopCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	})
}
Exemplo n.º 8
0
func rollbackCmdRun(cmd *cobra.Command, args []string) {
	// requires root
	if !core.IsRoot() {
		gologit.Fatalf("Must be root to rollback\n")
	}

	jail, err := core.FindJail(args[0])
	if err != nil {
		gologit.Fatalf("No jail found by '%s'\n", args[0])
	}

	snapname := strings.TrimLeft(args[1], "@")

	// get FS's
	lines := core.SplitOutput(core.ZFSMust(
		fmt.Errorf("Error listing jails"),
		"list", "-Hr", "-o", "name", path.Join(jail.Path, "root")))
	if len(lines) < 1 {
		gologit.Fatalf("No datasets at jailpath!\n")
	}

	snapshots := []string{}
	for _, line := range lines {
		out := core.ZFSMust(
			fmt.Errorf("Error listing snapshots"),
			"list", "-Ht", "snapshot", "-o", "name", "-d1",
			fmt.Sprintf("%s@%s", line[0], snapname))
		if len(out) != 0 {
			snapshots = append(snapshots, out)
		}
	}

	if len(snapshots) == 0 {
		gologit.Fatalln("Snapshot '%s' not found!", snapname)
	}

	for _, snapshot := range snapshots {
		i := strings.LastIndex(snapshot, "@")
		elemName := snapshot[:i]
		j := strings.LastIndex(snapshot, "/")
		elemName = elemName[j:]
		fmt.Printf("* Rolling back jail dataset '%s' to '@%s'\n",
			elemName, snapname)
		core.ZFSMust(
			fmt.Errorf("Error rolling back jail"),
			"rollback", "-r", snapshot)
	}
}
Exemplo n.º 9
0
func init() {
	cmd := &cobra.Command{
		Use:   "destroy UUID|TAG",
		Short: "destroy jail",
		Long:  "destroy jail identified by UUID or TAG.",
		Run:   destroyCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	}
	cmd.Flags().BoolVarP(
		&force, "force", "f",
		false, "attempt to remove jail without prompting for confirmation")
	RootCmd.AddCommand(cmd)
}
Exemplo n.º 10
0
func init() {
	RootCmd.AddCommand(&cobra.Command{
		Use:   "chroot UUID|TAG [command]",
		Short: "Chroot into jail, without actually starting the jail itself",
		Long: `
Chroot into jail, without actually starting the jail itself.

Useful for initial setup (set root password, configure networking).
You can specify a command just like with the normal system chroot tool.`,
		Run: chrootCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	})
}
Exemplo n.º 11
0
func init() {
	cmd := &cobra.Command{
		Use:   "snapshot UUID|TAG snapshotname",
		Short: "Create a zfs snapshot for jail",
		Run:   snapshotCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	}

	cmd.Flags().BoolVarP(
		&recusiveSnapshot, "recursive", "r", false,
		"do a recursive snapshot of the jail root")

	RootCmd.AddCommand(cmd)
}
Exemplo n.º 12
0
func init() {
	cmd := &cobra.Command{
		Use:   "runtime UUID|TAG",
		Short: "show runtime configuration of a jail",
		Long:  "Show runtime configuration of a jail. Useful for debugging.",
		Run:   runtimeCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	}

	cmd.Flags().BoolVarP(
		&ParsableValues, "parsable-values", "p", false,
		"output parsable (exact) values")

	RootCmd.AddCommand(cmd)
}
Exemplo n.º 13
0
func init() {
	cmd := &cobra.Command{
		Use:   "snaplist UUID|TAG [command]",
		Short: "List all snapshots belonging to jail",
		Run:   snaplistCmdRun,
		PreRun: func(cmd *cobra.Command, args []string) {
			if len(args) == 0 {
				gologit.Fatalln("Required UUID|TAG not provided")
			}
		},
	}

	cmd.Flags().BoolVarP(
		&ParsableValues, "parsable-values", "p", false,
		"output parsable (exact) values")

	cmd.Flags().StringVarP(
		&snaplistRegex, "regex", "x", "", "filter listed snapshots by regex match")

	RootCmd.AddCommand(cmd)
}
Exemplo n.º 14
0
func updateCmdRun(cmd *cobra.Command, args []string) {
	// requires root
	if !core.IsRoot() {
		gologit.Fatalf("Must be root to snapremove\n")
	}

	jail, err := core.FindJail(args[0])
	if err != nil {
		gologit.Fatalf("No jail found by '%s'\n", args[0])
	}

	zfsArgs := []string{
		"get", "-Ho", "value", "org.freebsd.iocage:release,mountpoint",
		jail.Path}
	out := strings.Split(
		core.ZFSMust(fmt.Errorf("Error getting properties"), zfsArgs...), "\n")
	release := out[0]
	mountpoint := out[1]

	resolvconf := path.Join(mountpoint, "root/etc/resolv.conf")
	if _, err := os.Stat(resolvconf); os.IsNotExist(err) {
		data, err := ioutil.ReadFile("/etc/resolv.conf")
		if err != nil {
			gologit.Fatalln("/etc/resolv.conf not present or not readable")
		}

		err = ioutil.WriteFile(resolvconf, data, 0755)
		if err != nil {
			gologit.Fatalf("Could not copy contents to '%s'\n", resolvconf)
		}
	}

	fmt.Println("* Creating back out snapshot")
	snappath := fmt.Sprintf(
		"%s/root@%s",
		jail.Path,
		fmt.Sprintf(
			"ioc-update-%s",
			time.Now().Format("2006-01-02_15:04:05")))
	core.ZFSMust(
		fmt.Errorf("Error taking snapshot"),
		"snapshot", snappath)

	devroot := path.Join(mountpoint, "root/dev")
	ecmd := exec.Command("/sbin/mount", "-t", "devfs", "devfs", devroot)
	gologit.Debugln(ecmd.Args)
	eout, err := ecmd.CombinedOutput()
	if err != nil {
		gologit.Fatalf("Error mounting devfs: %s\n", err)
	}
	gologit.Debugln(string(eout))

	defer func() {
		ecmd := exec.Command("/sbin/umount", devroot)
		gologit.Debugln(ecmd.Args)
		err := ecmd.Run()
		if err != nil {
			gologit.Fatalf("Error unmounting devfs: %s\n", err)
		}
	}()

	fmt.Println("* Updating jail...")
	root := path.Join(mountpoint, "root")
	ecmd = exec.Command("/usr/sbin/chroot", root,
		"/usr/sbin/freebsd-update", "--not-running-from-cron",
		"fetch", "install")
	ecmd.Env = []string{
		"PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
		fmt.Sprintf("UNAME_r=%s", release),
		"PAGER=/bin/cat",
	}
	gologit.Debugln(ecmd.Args)
	ecmd.Stdout = os.Stdout
	ecmd.Stderr = os.Stderr
	ecmd.Run()

	fmt.Println("* update finished")
	fmt.Println("  Once verified, don't forget to remove the snapshot!")
}
Exemplo n.º 15
0
func releaseUpdateCmdRun(cmd *cobra.Command, args []string) {
	// requires root
	if !core.IsRoot() {
		gologit.Fatalf("Must be root to update\n")
	}

	release, err := core.FindRelease(args[0])
	if err != nil {
		gologit.Fatalf("Release '%s' not found!\n", args[0])
	}

	mountpoint := release.Mountpoint
	resolvconf := path.Join(mountpoint, "root/etc/resolv.conf")
	if _, err := os.Stat(resolvconf); os.IsNotExist(err) {
		data, err := ioutil.ReadFile("/etc/resolv.conf")
		if err != nil {
			gologit.Fatalln("/etc/resolv.conf not present or not readable")
		}

		err = ioutil.WriteFile(resolvconf, data, 0755)
		if err != nil {
			gologit.Fatalf("Could not copy contents to '%s'\n", resolvconf)
		}
	}

	devroot := path.Join(mountpoint, "root/dev")
	ecmd := exec.Command("/sbin/mount", "-t", "devfs", "devfs", devroot)
	gologit.Debugln(ecmd.Args)
	eout, err := ecmd.CombinedOutput()
	if err != nil {
		gologit.Fatalf("Error mounting devfs: %s\n", err)
	}
	gologit.Debugln(string(eout))

	defer func() {
		ecmd := exec.Command("/sbin/umount", devroot)
		gologit.Debugln(ecmd.Args)
		err := ecmd.Run()
		if err != nil {
			gologit.Fatalf("Error unmounting devfs: %s\n", err)
		}
	}()

	fmt.Println("* Updating release...")
	root := path.Join(mountpoint, "root")

	exargs := []string{root, "/usr/sbin/freebsd-update"}
	if release.Name != "9.3-RELEASE" && release.Name != "10.1-RELEASE" {
		exargs = append(exargs, "--not-running-from-cron")
	}
	exargs = append(exargs, "fetch", "install")
	ecmd = exec.Command("/usr/sbin/chroot", exargs...)
	unamer := release.Name
	if release.Patchlevel != "" {
		unamer = release.Patchlevel
	}
	ecmd.Env = []string{
		"PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
		fmt.Sprintf("UNAME_r=%s", unamer),
		"PAGER=/bin/cat",
	}
	gologit.Debugln(ecmd.Args)
	ecmd.Stdout = os.Stdout
	ecmd.Stderr = os.Stderr
	ecmd.Stdin = os.Stdin
	ecmd.Run()
	fmt.Println("* update finished")
}