zfs-load-key.in

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    1 #!@DEFAULT_INIT_SHELL@
    2 # shellcheck disable=SC2154
    3 #
    4 # zfs-load-key  This script will load/unload the zfs filesystems keys.
    5 #
    6 # chkconfig:    2345 06 99
    7 # description:  This script will load or unload the zfs filesystems keys during
    8 #               system boot/shutdown. Only filesystems with key path set
    9 #               in keylocation property. See the zfs(8) man page for details.
   10 # probe: true
   11 #
   12 ### BEGIN INIT INFO
   13 # Provides:          zfs-load-key
   14 # Required-Start:    $local_fs zfs-import
   15 # Required-Stop:     $local_fs zfs-import
   16 # Default-Start:     2 3 4 5
   17 # Default-Stop:      0 1 6
   18 # X-Start-Before:    zfs-mount
   19 # X-Stop-After:      zfs-zed
   20 # Short-Description: Load ZFS keys for filesystems and volumes
   21 # Description: Run the `zfs load-key` or `zfs unload-key` commands.
   22 ### END INIT INFO
   23 #
   24 # Released under the 2-clause BSD license.
   25 #
   26 # This script is based on debian/zfsutils.zfs.init from the
   27 # Debian GNU/kFreeBSD zfsutils 8.1-3 package, written by Aurelien Jarno.
   28 
   29 # Source the common init script
   30 . @sysconfdir@/zfs/zfs-functions
   31 
   32 # ----------------------------------------------------
   33 
   34 do_depend()
   35 {
   36         # bootmisc will log to /var which may be a different zfs than root.
   37         before bootmisc logger zfs-mount
   38 
   39         after zfs-import sysfs
   40         keyword -lxc -openvz -prefix -vserver
   41 }
   42 
   43 # Load keys for all datasets/filesystems
   44 do_load_keys()
   45 {
   46         zfs_log_begin_msg "Load ZFS filesystem(s) keys"
   47 
   48         "$ZFS" list -Ho name,encryptionroot,keystatus,keylocation |
   49             while IFS=" " read -r name encryptionroot keystatus keylocation; do
   50                 if [ "$encryptionroot" != "-" ] &&
   51                         [ "$name" = "$encryptionroot" ] &&
   52                         [ "$keystatus" = "unavailable" ] &&
   53                         [ "$keylocation" != "prompt" ] &&
   54                         [ "$keylocation" != "none" ]
   55                 then
   56                         zfs_action "Load key for $encryptionroot" \
   57                             "$ZFS" load-key "$encryptionroot"
   58                 fi
   59         done
   60 
   61         zfs_log_end_msg 0
   62 
   63         return 0
   64 }
   65 
   66 # Unload keys for all datasets/filesystems
   67 do_unload_keys()
   68 {
   69         zfs_log_begin_msg "Unload ZFS filesystem(s) key"
   70 
   71         "$ZFS" list -Ho name,encryptionroot,keystatus | sed '1!G;h;$!d' |
   72             while IFS=" " read -r name encryptionroot keystatus; do
   73                 if [ "$encryptionroot" != "-" ] &&
   74                         [ "$name" = "$encryptionroot" ] &&
   75                         [ "$keystatus" = "available" ]
   76                 then
   77                         zfs_action "Unload key for $encryptionroot" \
   78                             "$ZFS" unload-key "$encryptionroot"
   79                 fi
   80         done
   81 
   82         zfs_log_end_msg 0
   83 
   84         return 0
   85 }
   86 
   87 do_start()
   88 {
   89         check_boolean "$ZFS_LOAD_KEY" || exit 0
   90 
   91         check_module_loaded "zfs" || exit 0
   92 
   93         do_load_keys
   94 }
   95 
   96 do_stop()
   97 {
   98         check_boolean "$ZFS_UNLOAD_KEY" || exit 0
   99 
  100         check_module_loaded "zfs" || exit 0
  101 
  102         do_unload_keys
  103 }
  104 
  105 # ----------------------------------------------------
  106 
  107 if [ ! -e /sbin/openrc-run ]
  108 then
  109         case "$1" in
  110                 start)
  111                         do_start
  112                         ;;
  113                 stop)
  114                         do_stop
  115                         ;;
  116                 force-reload|condrestart|reload|restart|status)
  117                         # no-op
  118                         ;;
  119                 *)
  120                         [ -n "$1" ] && echo "Error: Unknown command $1."
  121                         echo "Usage: $0 {start|stop}"
  122                         exit 3
  123                         ;;
  124         esac
  125 
  126         exit $?
  127 else
  128         # Create wrapper functions since Gentoo don't use the case part.
  129         depend() { do_depend; }
  130         start() { do_start; }
  131         stop() { do_stop; }
  132 fi

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/etc/init.d/zfs-load-key.in

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/etc/init.d/zfs-load-key.in