Add focker volume get|set.

focker/focker.py

@@ -22,7 +22,9 @@ from .volume import command_volume_create, \
     command_volume_list, \
     command_volume_tag, \
     command_volume_untag, \
-    command_volume_remove
+    command_volume_remove, \
+    command_volume_set, \
+    command_volume_get
 import sys
 from .zfs import zfs_init
 from .jail import command_jail_create, \
@@ -193,6 +195,16 @@ def create_parser():
     parser.add_argument('references', type=str, nargs='+')
     parser.add_argument('--force', '-f', action='store_true')
 
+    parser = ListForwarder([subparsers.add_parser(cmd) for cmd in ['set', 's']])
+    parser.set_defaults(func=command_volume_set)
+    parser.add_argument('reference', type=str)
+    parser.add_argument('properties', type=str, nargs=argparse.REMAINDER)
+
+    parser = ListForwarder([subparsers.add_parser(cmd) for cmd in ['get', 'g']])
+    parser.set_defaults(func=command_volume_get)
+    parser.add_argument('reference', type=str)
+    parser.add_argument('properties', type=str, nargs=argparse.REMAINDER)
+
     # compose
     subparsers = ListForwarder([ subparsers_top.add_parser(cmd).add_subparsers(dest='L2_command') \
         for cmd in ['compose', 'comp', 'c'] ])

focker/volume.py

@@ -55,3 +55,19 @@ def command_volume_remove(args):
         except:
             if not args.force:
                 raise
+
+
+def command_volume_set(args):
+    name, _ = zfs_find(args.reference, focker_type='volume')
+    if not args.properties:
+        raise ValueError('You must specify some properties')
+    zfs_run(['zfs', 'set'] + args.properties + [name])
+
+
+def command_volume_get(args):
+    name, _ = zfs_find(args.reference, focker_type='volume')
+    if not args.properties:
+        raise ValueError('You must specify some properties')
+    res = zfs_parse_output(['zfs', 'get', '-H', ','.join(args.properties), name])
+    res = map(lambda a: a[2], res)
+    print('\n'.join(res))