func LoadConfig(filepath string) {
if _, err := os.Stat(filepath); os.IsNotExist(err) {
gologit.Fatalf("%s not present or not readable", filepath)
}
buffer := &bytes.Buffer{}
buffer.WriteString("[main]\n")
f, err := os.Open(filepath)
if err != nil {
gologit.Printf("Error reading config file %s", filepath)
gologit.Fatal(err)
}
defer f.Close()
_, err = buffer.ReadFrom(f)
if err != nil {
gologit.Printf("Error reading config file %s", filepath)
gologit.Fatal(err)
}
err = gcfg.ReadInto(&Config, buffer)
if err != nil {
gologit.Printf("Error parsing config file %s", filepath)
gologit.Fatal(err)
}
}
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...)
}
}
func releaseDestroyCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to destroy\n")
}
release, err := core.FindRelease(args[0])
if err != nil {
gologit.Fatalf("Release '%s' not found!\n", args[0])
}
fmt.Printf("Ready to remove release: %s\n", release.Name)
if !force {
fmt.Print("Are you sure [yN]? ")
var response string
_, err = fmt.Scanln(&response)
if err != nil {
if err.Error() == "unexpected newline" {
os.Exit(0)
}
gologit.Fatalf("%s", err)
}
response = strings.ToLower(strings.TrimSpace(response))
if len(response) != 1 || response[0] != 'y' {
return
}
}
fmt.Printf("Destroying: %s\n", release.Name)
core.ZFSMust(
fmt.Errorf("Error destroying release"),
"destroy", "-fr", release.Path)
os.RemoveAll(release.Mountpoint)
}
func snapshotCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to snapshot\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
var snapname string
if len(args) > 1 {
snapname = strings.TrimLeft(args[1], "@")
} else {
snapname = fmt.Sprintf(
"ioc-%s", time.Now().Format("2006-01-02_15:04:05"))
}
zfsCmd := []string{"snapshot"}
if recusiveSnapshot {
zfsCmd = append(zfsCmd, "-r")
}
zfsCmd = append(zfsCmd, fmt.Sprintf("%s/root@%s", jail.Path, snapname))
core.ZFSMust(fmt.Errorf("Error removing snapshot"), zfsCmd...)
}
func stopCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to stop\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
if !jail.IsRunning() {
gologit.Fatalf("Jail is not running!\n")
}
// create file
f, err := os.OpenFile(jail.GetLogPath(), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
gologit.Fatal(err)
}
defer f.Close()
fmt.Printf("* Stopping %s (%s)\n", jail.HostUUID, jail.Tag)
fmt.Printf(" + Removing jail process\n")
file, err := ioutil.TempFile(os.TempDir(), "rollcage.")
defer os.Remove(file.Name())
jailConfig := jail.JailConfig()
gologit.Debugln(jailConfig)
file.WriteString(jailConfig)
file.Close()
excmd := exec.Command(
"/usr/sbin/jail",
"-f", file.Name(),
"-r", fmt.Sprintf("ioc-%s", jail.HostUUID))
excmd.Stdout = f
excmd.Stderr = f
err = excmd.Run()
if err != nil {
gologit.Fatal(err)
}
// mostly for safety...
fmt.Printf(" + Tearing down mounts\n")
umountCmd("-afvF", path.Join(jail.Mountpoint, "fstab"))
umountCmd(path.Join(jail.Mountpoint, "root/dev/fd"))
umountCmd(path.Join(jail.Mountpoint, "root/dev"))
umountCmd(path.Join(jail.Mountpoint, "root/proc"))
// TODO: basejail here?
// TODO: rctl stuff here...
}
func snapremoveCmdRun(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])
}
matchers := args[1:]
gologit.Debugf("matchers: %#v\n", matchers)
zfsArgs := []string{"list", "-Hrt", "snapshot",
"-o", "name", "-d2", jail.Path}
lines := core.SplitOutput(core.ZFSMust(
fmt.Errorf("Error listing snapshots"),
zfsArgs...))
rmlist := []string{}
for _, line := range lines {
if len(line) == 0 || len(line[0]) == 0 {
continue
}
snapname := strings.SplitN(line[0], "@", 2)[1]
gologit.Debugf("source snapname: %#v\n", snapname)
for _, m := range matchers {
if snapremoveRegex {
matched, err := regexp.MatchString(m, snapname)
if err != nil {
gologit.Fatalf("Regex error: %s", err)
}
if matched {
rmlist = append(rmlist, line[0])
continue
}
} else {
if m == snapname {
rmlist = append(rmlist, line[0])
continue
}
}
}
}
gologit.Debugf("match list: %#v\n", rmlist)
for _, snap := range rmlist {
fmt.Printf("Removing snapshot: %s\n", strings.SplitN(snap, "@", 2)[1])
core.ZFSMust(
fmt.Errorf("Error removing snapshot"),
"destroy", "-r", snap)
}
}
func restartCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to stop\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
if !jail.IsRunning() {
gologit.Fatalf("Jail is not running!\n")
}
// create file
f, err := os.OpenFile(jail.GetLogPath(), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
gologit.Fatal(err)
}
defer f.Close()
props := jail.GetProperties()
jexec := []string{fmt.Sprintf("ioc-%s", jail.HostUUID)}
jexec_stop := append(jexec, core.SplitFieldsQuoteSafe(props.GetIOC("exec_stop"))...)
excmd := exec.Command("/usr/sbin/jexec", jexec_stop...)
excmd.Stdout = f
excmd.Stderr = f
err = excmd.Run()
if err != nil {
gologit.Printf("%s\n", err)
}
jexec_start := append(jexec, core.SplitFieldsQuoteSafe(props.GetIOC("exec_start"))...)
excmd = exec.Command("/usr/sbin/jexec", jexec_start...)
excmd.Stdout = f
excmd.Stderr = f
err = excmd.Run()
if err != nil {
gologit.Printf("%s\n", err)
}
// set last_started property
t := time.Now()
core.ZFSMust(
fmt.Errorf("Error setting property"), "set",
fmt.Sprintf(
"org.freebsd.iocage:last_started=%s",
t.Format("2006-01-02_15:04:05")),
jail.Path)
}
func execCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to use exec\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
if !jail.IsRunning() {
gologit.Fatalf("Jail is not running!\n")
}
// get exec fib property
lines := core.SplitOutput(core.ZFSMust(
fmt.Errorf("Error listing jails"),
"list", "-H",
"-o", "org.freebsd.iocage:login_flags,org.freebsd.iocage:exec_fib",
jail.Path))
execFib := lines[0][1]
jexec := []string{}
if execFib != "0" {
jexec = append(jexec, "/usr/sbin/setfib", execFib)
}
jexec = append(jexec, "/usr/sbin/jexec")
if hostUser != "" {
jexec = append(jexec, "-u", hostUser)
}
if jailUser != "" {
jexec = append(jexec, "-U", jailUser)
}
jexec = append(jexec, fmt.Sprintf("ioc-%s", jail.HostUUID))
jexec = append(jexec, args[1:]...)
// set a default path
environ := []string{
"PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
}
// set a term from caller
environ = append(environ, fmt.Sprintf("TERM=%s", os.Getenv("TERM")))
gologit.Debugf("%#s\n", jexec)
execErr := syscall.Exec(jexec[0], jexec, environ)
if execErr != nil {
gologit.Fatal(execErr)
}
}
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)
}
}
func runtimeCmdRun(cmd *cobra.Command, args []string) {
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
out, err := core.Jls("-n", "-j", fmt.Sprintf("ioc-%s", jail.HostUUID))
if err != nil {
gologit.Fatalf("Jail is not running!\n")
}
lines := strings.Split(out, " ")
for _, line := range lines {
fmt.Fprintf(os.Stdout, "%s\n", line)
}
}
func CmdMust(errmsg error, name string, arg ...string) string {
out, err := Cmd(name, arg...)
if err != nil {
gologit.Fatalf("Error: %s\n", errmsg)
}
return out
}
func dfCmdRun(cmd *cobra.Command, args []string) {
propertyList := "org.freebsd.iocage:host_hostuuid," +
"org.freebsd.iocage:tag,compressratio,reservation," +
"quota,used,available"
outputHeaders := []string{"uuid", "tag", "crt", "res", "qta", "use", "ava"}
zfsArgs := []string{"list", "-H", "-o", propertyList}
if ParsableValues {
zfsArgs = append(zfsArgs, "-p")
}
if len(args) == 0 {
zfsArgs = append(zfsArgs, "-d", "1", core.GetJailsPath())
} else {
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
zfsArgs = append(zfsArgs, jail.Path)
}
out := core.ZFSMust(fmt.Errorf("Error listing jails"), zfsArgs...)
lines := strings.Split(out, "\n")
wf := core.NewOutputWriter(outputHeaders, MachineOutput)
for _, line := range lines {
if strings.HasPrefix(line, "-") {
continue
}
fmt.Fprintf(wf, "%s\n", line)
}
wf.Flush()
}
func snaplistCmdRun(cmd *cobra.Command, args []string) {
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
zfsArgs := []string{"list", "-Hrt", "snapshot",
"-o", "name,creation,used,referenced", "-d2"}
if ParsableValues {
zfsArgs = append(zfsArgs, "-p")
}
zfsArgs = append(zfsArgs, jail.Path)
lines := core.SplitOutput(core.ZFSMust(
fmt.Errorf("Error listing snapshots"),
zfsArgs...))
gologit.Debugf("%#v", lines)
if len(lines) == 0 || len(lines[0]) == 0 || len(lines[0][0]) == 0 {
return
}
var rxmatch *regexp.Regexp
if snaplistRegex != "" {
rxmatch, err = regexp.Compile(snaplistRegex)
if err != nil {
gologit.Fatalf("Bad regex: %s", err)
}
}
outputHeaders := []string{"name", "created", "rsize", "used"}
wf := core.NewOutputWriter(outputHeaders, MachineOutput)
for _, line := range lines {
if len(line) < 4 {
continue
}
snapname := strings.SplitN(line[0], "@", 2)[1]
if rxmatch != nil && !rxmatch.MatchString(snapname) {
continue
}
fmt.Fprintf(wf, "%s\t%s\t%s\t%s\n", snapname, line[1], line[2], line[3])
}
wf.Flush()
}
func rebootCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to stop\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
if !jail.IsRunning() {
gologit.Fatalf("Jail is not running!\n")
}
stopCmdRun(cmd, args)
startCmdRun(cmd, args)
}
func chrootCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to chroot\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
propertyOut := core.ZFSMust(
fmt.Errorf("Error getting properties"),
"get", "-H", "-o", "value", "mountpoint", jail.Path)
chrootArgs := []string{
"/usr/sbin/chroot",
path.Join(propertyOut, "root"),
}
if len(args) > 1 {
chrootArgs = append(chrootArgs, args[1:]...)
} else {
shell := os.Getenv("SHELL")
if shell == "" {
shell = "/bin/sh"
}
chrootArgs = append(chrootArgs, shell)
}
// set a default path
environ := []string{
"PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
}
// set a term from caller
environ = append(environ, fmt.Sprintf("TERM=%s", os.Getenv("TERM")))
execErr := syscall.Exec(chrootArgs[0], chrootArgs, environ)
if execErr != nil {
gologit.Fatal(execErr)
}
}
func destroyCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to destroy\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("Jail '%s' not found!\n", args[0])
}
if jail.IsRunning() {
gologit.Fatalf("Jail is running. Shutdown first.\n")
}
propertyList := []string{
"mountpoint",
"org.freebsd.iocage:type",
}
lines := core.SplitOutput(core.ZFSMust(
fmt.Errorf("Error listing jails"),
"list", "-H", "-o", strings.Join(propertyList, ","), jail.Path))
if len(lines) < 1 {
gologit.Fatalf("No output from property fetch\n")
}
prop_mountpoint := removeDash(lines[0][0])
prop_type := removeDash(lines[0][1])
if prop_type != "thickjail" {
gologit.Fatalf("Type is not thickjail.\nI don't know how to handle this yet.\nGiving up!")
}
fmt.Printf("Ready to remove jail: %s (%s)\n", jail.HostUUID, jail.Tag)
fmt.Print("Are you sure [yN]? ")
var response string
_, err = fmt.Scanln(&response)
if err != nil {
if err.Error() == "unexpected newline" {
os.Exit(0)
}
gologit.Fatalf("%s", err)
}
if !force {
response = strings.ToLower(strings.TrimSpace(response))
if len(response) != 1 || response[0] != 'y' {
return
}
}
fmt.Printf("Destroying: %s (%s)\n", jail.HostUUID, jail.Tag)
core.ZFSMust(
fmt.Errorf("Error destroying jail"),
"destroy", "-fr", jail.Path)
os.RemoveAll(prop_mountpoint)
}
func (jail *JailMeta) GetProperties() ZFSProperties {
if jail.props != nil {
return jail.props
}
props := make(ZFSProperties, 0)
lines := SplitOutput(ZFSMust(
fmt.Errorf("Error listing properties"),
"get", "-H", "-o", "property,value", "all", jail.Path))
if len(lines) < 1 {
gologit.Fatalf("No output from property fetch\n")
}
for _, line := range lines {
props[strings.TrimSpace(line[0])] = strings.TrimSpace(line[1])
}
jail.props = props
return props
}
func startCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to stop\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
if jail.IsRunning() {
gologit.Fatalf("Jail is already running!\n")
}
props := jail.GetProperties()
// set a default path
environ := []string{
"PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
}
fmt.Printf("* Starting %s (%s)\n", jail.HostUUID, jail.Tag)
// mount procfs
if props.GetIOC("mount_procfs") == "1" {
fmt.Printf(" + mounting procfs\n")
procpath := path.Join(jail.Mountpoint, "root/proc")
excmd := exec.Command("/sbin/mount", "-t", "procfs", "proc", procpath)
excmd.Env = environ
err := excmd.Run()
if err != nil {
gologit.Printf("%s\n", err)
}
}
// prepare jail zfs dataset if enabled
if props.GetIOC("jail_zfs") == "on" {
fmt.Printf(" + jailing zfs dataset\n")
setprops := core.ZFSProperties{
"org.freebsd.iocage:allow_mount": "1",
"org.freebsd.iocage:allow_mount_zfs": "1",
"org.freebsd.iocage:enforce_statfs": "1",
}
jail.SetProperties(setprops)
core.ZFSMust(
fmt.Errorf("Error setting property"),
"set", "jailed=on",
path.Join(core.GetZFSRootPath(), props.GetIOC("jail_zfs_dataset")))
}
// copy resolv conf
err = core.CopyFile(
"/etc/resolv.conf",
path.Join(jail.Mountpoint, "root/etc/resolv.conf"))
if err != nil {
gologit.Printf("%s\n", err)
}
// create log file
logfile, err := os.OpenFile(jail.GetLogPath(), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
gologit.Fatal(err)
}
defer logfile.Close()
file, err := ioutil.TempFile(os.TempDir(), "rollcage.")
defer os.Remove(file.Name())
jailConfig := jail.JailConfig()
gologit.Debugln(jailConfig)
file.WriteString(jailConfig)
file.Close()
excmd := exec.Command(
"/usr/sbin/jail",
"-f", file.Name(),
"-c", fmt.Sprintf("ioc-%s", jail.HostUUID))
excmd.Stdout = logfile
excmd.Stderr = logfile
err = excmd.Run()
if err != nil {
gologit.Fatal(err)
}
// rctl_limits?
// cpuset?
// jail zfs
if props.GetIOC("jail_zfs") == "on" {
core.ZFSMust(
fmt.Errorf("Error setting property"),
"jail", fmt.Sprintf("ioc-%s", jail.HostUUID),
path.Join(core.GetZFSRootPath(), props.GetIOC("jail_zfs_dataset")))
out, err := exec.Command(
"/usr/sbin/jexec",
fmt.Sprintf("ioc-%s", jail.HostUUID),
"zfs", "mount", "-a").CombinedOutput()
gologit.Debugln(string(out))
if err != nil {
gologit.Printf("%s\n", err)
}
}
// set last_started property
t := time.Now()
core.ZFSMust(
fmt.Errorf("Error setting property"), "set",
fmt.Sprintf(
"org.freebsd.iocage:last_started=%s",
t.Format("2006-01-02_15:04:05")),
jail.Path)
}
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")
}
func releaseFetchCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to fetch\n")
}
// find/verify release name
releaseName := strings.ToUpper(args[0])
found := false
for _, release := range core.SupportedReleases {
if releaseName == release {
found = true
break
}
}
if !found {
gologit.Fatalf("Release '%s' is not currently supported\n", releaseName)
}
// get some meta
release, err := core.CreateRelease(releaseName)
if err != nil {
gologit.Fatalf("Couldn't create release '%s'\n", releaseName)
}
// fetch
if !strings.HasPrefix(mirrorHost, "http://") {
mirrorHost = "http://" + mirrorHost
}
u, err := url.Parse(mirrorHost)
if err != nil {
gologit.Fatalf("error parsing internal sets fetch url\n")
}
u.Path = mirrorDir
fmt.Printf("Fetching sets:\n")
tarset := []string{}
for _, setname := range strings.Split(fetchSets, " ") {
ux := *u
ux.Path = path.Join(ux.Path, release.Name, setname)
destPth := path.Join(release.Mountpoint, "sets", setname)
tarset = append(tarset, destPth)
if _, err := os.Stat(destPth); !os.IsNotExist(err) {
fmt.Printf("'%s' already present -- skipping download\n", setname)
continue
}
err := core.FetchHTTPFile(ux.String(), destPth, true)
if err != nil {
gologit.Fatalf("Failed to fetch: %s\n", ux.String())
}
}
fmt.Printf("Extracting sets:\n")
for _, pth := range tarset {
basepth := path.Base(pth)
fmt.Printf("* %s\n", basepth)
excmd := exec.Command(
"tar", "-C", path.Join(release.Mountpoint, "root"),
"-xf", pth)
excmd.Stdout = os.Stdout
excmd.Stderr = os.Stdout
err := excmd.Run()
if err != nil {
gologit.Debugf("Error: %s\n", err)
gologit.Fatalf("Failed to extract: %s\n", basepth)
}
}
err = os.MkdirAll(path.Join(release.Mountpoint, "root", "usr/home"), 0755)
if err != nil {
gologit.Fatalf("Failed to make: %s\n", "/usr/home")
}
err = os.MkdirAll(path.Join(release.Mountpoint, "root", "usr/ports"), 0755)
if err != nil {
gologit.Fatalf("Failed to make: %s\n", "/usr/ports")
}
}
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!")
}
func stopCmdRun(cmd *cobra.Command, args []string) {
// requires root
if !core.IsRoot() {
gologit.Fatalf("Must be root to stop\n")
}
jail, err := core.FindJail(args[0])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[0])
}
if !jail.IsRunning() {
gologit.Fatalf("Jail is not running!\n")
}
propertyList := []string{
"mountpoint",
"org.freebsd.iocage:type",
"org.freebsd.iocage:tag",
"org.freebsd.iocage:prestop",
"org.freebsd.iocage:exec_stop",
"org.freebsd.iocage:poststop",
"org.freebsd.iocage:vnet",
"org.freebsd.iocage:ip4",
}
lines := core.SplitOutput(core.ZFSMust(
fmt.Errorf("Error listing properties"),
"list", "-H", "-o", strings.Join(propertyList, ","), jail.Path))
if len(lines) < 1 {
gologit.Fatalf("No output from property fetch\n")
}
prop_mountpoint := removeDash(lines[0][0])
//prop_type := removeDash(lines[0][1])
prop_tag := removeDash(lines[0][2])
prop_prestop := removeDash(lines[0][3])
prop_exec_stop := removeDash(lines[0][4])
prop_poststop := removeDash(lines[0][5])
prop_vnet := removeDash(lines[0][6])
prop_ip4 := removeDash(lines[0][7])
// set a default path
environ := []string{
"PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
}
fmt.Printf("* Stopping %s (%s)\n", jail.HostUUID, prop_tag)
if prop_prestop != "" {
fmt.Printf(" + Running pre-stop\n")
preStop := core.SplitFieldsQuoteSafe(prop_prestop)
excmd := exec.Command(preStop[0], preStop[1:]...)
excmd.Env = environ
err := excmd.Run()
if err != nil {
gologit.Printf("%s\n", err)
}
}
fmt.Printf(" + Stopping services\n")
jexec := []string{"/usr/sbin/jexec"}
jexec = append(jexec, fmt.Sprintf("ioc-%s", jail.HostUUID))
jexec = append(jexec, core.SplitFieldsQuoteSafe(prop_exec_stop)...)
out, err := exec.Command(jexec[0], jexec[1:]...).CombinedOutput()
gologit.Debugln(string(out))
if err != nil {
gologit.Printf("%s\n", err)
}
if prop_vnet == "on" {
fmt.Printf(" + Tearing down VNET\n")
// stop VNET networking
} else if prop_ip4 != "inherit" {
// stop standard networking (legacy?)
lines := core.SplitOutput(core.ZFSMust(
fmt.Errorf("Error listing jails"),
"list", "-H", "-o", "org.freebsd.iocage:ip4_addr,org.freebsd.iocage:ip6_addr", jail.Path))
for _, ip_config := range lines[0] {
if ip_config == "none" {
continue
}
for _, addr := range strings.Split(ip_config, ",") {
item := strings.Split(addr, "|")
gologit.Debugln("/sbin/ifconfig", item[0], item[1], "-alias")
out, err := exec.Command("/sbin/ifconfig",
item[0], item[1], "-alias").CombinedOutput()
gologit.Debugln(string(out))
if err != nil {
gologit.Printf("%s\n", err)
}
}
}
}
fmt.Printf(" + Removing jail process\n")
jrexec := []string{"/usr/sbin/jail", "-r", fmt.Sprintf("ioc-%s", jail.HostUUID)}
out, err = exec.Command(jrexec[0], jrexec[1:]...).CombinedOutput()
if err != nil {
gologit.Printf("%s\n", err)
}
if prop_poststop != "" {
fmt.Printf(" + Running post-stop\n")
postStop := core.SplitFieldsQuoteSafe(prop_poststop)
excmd := exec.Command(postStop[0], postStop[1:]...)
excmd.Env = environ
err := excmd.Run()
if err != nil {
gologit.Printf("%s\n", err)
}
}
fmt.Printf(" + Tearing down mounts\n")
umountCmd("-afvF", path.Join(prop_mountpoint, "fstab"))
umountCmd(path.Join(prop_mountpoint, "root/dev/fd"))
umountCmd(path.Join(prop_mountpoint, "root/dev"))
umountCmd(path.Join(prop_mountpoint, "root/proc"))
// TODO: basejail here?
// TODO: rctl stuff here...
}
func getCmdRun(cmd *cobra.Command, args []string) {
headers := getOutputColsFlag.GetCols()
if len(headers) == 0 {
headers = getOutputColsFlag.GetValidCols()
}
var allTags bool
desiredTags := make(map[string]bool)
if len(args) == 0 || args[0] == "all" {
allTags = true
} else {
allTags = false
for _, prop := range strings.Split(args[0], ",") {
desiredTags[prop] = true
}
}
var jails []*core.JailMeta
if len(args) < 2 {
jails = core.GetAllJails()
} else {
jail, err := core.FindJail(args[1])
if err != nil {
gologit.Fatalf("No jail found by '%s'\n", args[1])
}
jails = append(jails, jail)
}
twf := core.NewTemplateOutputWriter(headers, MachineOutput)
for _, jail := range jails {
zfsArgs := []string{"get", "-H"}
if ParsableValues {
zfsArgs = append(zfsArgs, "-p")
}
zfsArgs = append(zfsArgs, "all", jail.Path)
out := core.ZFSMust(
fmt.Errorf("Error getting properties"),
zfsArgs...)
properties := make([][]string, 0)
for _, line := range strings.Split(string(out), "\n") {
if line == "" {
continue
}
cols := strings.Split(line, "\t")
property := cols[1]
if strings.HasPrefix(property, "org.freebsd.iocage:") {
property = strings.Split(property, ":")[1]
}
if property == "tag" {
continue
}
if property == "host_hostuuid" {
continue
}
if allTags || desiredTags[property] {
properties = append(properties, []string{property, cols[2]})
}
}
for _, prop := range properties {
twf.WriteTemplate(&struct {
Uuid string
Tag string
Property string
Value string
}{
Uuid: jail.HostUUID,
Tag: jail.Tag,
Property: prop[0],
Value: prop[1],
})
}
}
twf.Flush()
}