zfs: Implement new functions

usr/local/share/bastille/zfs.sh

@@ -34,7 +34,14 @@
 . /usr/local/etc/bastille/bastille.conf
 
 usage() {
-    error_exit "Usage: bastille zfs TARGET [set|get|snap] [key=value|date]'"
+    error_notify "Usage: bastille zfs TARGET [set|get|snap|destroy_snap|df|usage] [key=value|date]"
+    cat << EOF
+    Options:
+
+    -x | --debug          Enable debug mode.
+
+EOF
+    exit 1
 }
 
 zfs_snapshot() {
@@ -79,47 +86,68 @@ for _jail in ${JAILS}; do
 done
 }
 
-# Handle special-case commands first.
-case "$1" in
-help|-h|--help)
+
+# Handle options.
+while [ "$#" -gt 0 ]; do
+    case "${1}" in
+        -h|--help|help)
+            usage
+            ;;
+        -x|--debug)
+            enable_debug
+            shift
+            ;;
+        -*)
+            error_notify "Unknown Option: \"${1}\""
+            usage
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+if [ "$#" -lt 2 ]; then
     usage
-    ;;
-esac
+fi
+
+TARGET="${1}"
+ACTION="${2}"
 
 bastille_root_check
+set_target "${TARGET}"
 
-## check ZFS enabled
+# Check if ZFS is enabled
 if ! checkyesno bastille_zfs_enable; then
     error_exit "ZFS not enabled."
 fi
 
-## check zpool defined
+# Check if zpool is defined
 if [ -z "${bastille_zfs_zpool}" ]; then
     error_exit "ZFS zpool not defined."
 fi
 
-if [ $# -lt 1 ]; then
-    usage
-fi
-
-case "$1" in
-set)
-    ATTRIBUTE=$2
-    zfs_set_value
-    ;;
-get)
-    ATTRIBUTE=$2
-    zfs_get_value
-    ;;
-snap|snapshot)
-    TAG=$2
-    zfs_snapshot
-    ;;
-destroy_snap|destroy_snapshot)
-    TAG=$2
-    zfs_destroy_snapshot
-    ;;
-df|usage)
-    zfs_disk_usage
-    ;;
+case "${ACTION}" in
+    set)
+        ATTRIBUTE="${3}"
+        zfs_set_value
+        ;;
+    get)
+        ATTRIBUTE="${3}"
+        zfs_get_value
+        ;;
+    snap|snapshot)
+        TAG="${3}"
+        zfs_snapshot
+        ;;
+    destroy_snap|destroy_snapshot)
+        TAG="${3}"
+        zfs_destroy_snapshot
+        ;;
+    df|usage)
+        zfs_disk_usage
+        ;;
+    *)
+        usage
+        ;;
 esac