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 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")
}