Added focker image list.

focker.py

@@ -3,7 +3,8 @@ import yaml
 import os
 # from weir import zfs, process
 from .image import command_image_build, \
-    command_image_untag
+    command_image_untag, \
+    command_image_list
 import sys
 from .zfs import zfs_init
 from .jail import command_jail_run
@@ -23,6 +24,10 @@ def create_parser():
     parser.set_defaults(func=command_image_untag)
     parser.add_argument('tags', type=str, nargs='+', default=[])
 
+    parser = subparsers.add_parser('list')
+    parser.set_defaults(func=command_image_list)
+    parser.add_argument('--full-sha256', '-f', action='store_true')
+
     subparsers = subparsers_top.add_parser('jail').add_subparsers()
     parser = subparsers.add_parser('run')
     parser.set_defaults(func=command_jail_run)

image.py

@@ -3,6 +3,7 @@ import os
 import yaml
 from .steps import create_step
 from .snapshot import new_snapshot
+from tabulate import tabulate
 
 
 def process_step(step, name):
@@ -78,3 +79,12 @@ def command_image_build(args):
 
 def command_image_untag(args):
     zfs_untag(args.tags)
+
+
+def command_image_list(args):
+    lst = zfs_parse_output(['zfs', 'list', '-o', 'name,refer,focker:sha256,focker:tags,origin', '-H'])
+    lst = list(filter(lambda a: a[2] != '-', lst))
+    lst = list(map(lambda a: [ a[3], a[1],
+        a[2] if args.full_sha256 else a[2][:7],
+        a[4].split('/')[-1].split('@')[0] ], lst))
+    print(tabulate(lst, headers=['Tags', 'Size', 'SHA256', 'Base']))