Support pagination params for flavor list

Missing 'marker' and 'limit' params for `openstack flavor list` shell
command. It would be nice to have this when there are many flavors.

Closes-bug: #1505874
Change-Id: I088ac5d24f0d7595f5cbce14f063e296a449eb26

doc/source/command-objects/flavor.rst

@@ -91,6 +91,8 @@ List flavors
     os flavor list
         [--public | --private | --all]
         [--long]
+        [--marker <marker>]
+        [--limit <limit>]
 
 .. option:: --public
 
@@ -108,6 +110,14 @@ List flavors
 
     List additional fields in output
 
+.. option:: --marker <marker>
+
+    The last flavor ID of the previous page
+
+.. option:: --limit <limit>
+
+    Maximum number of flavors to display
+
 flavor show
 -----------
 

openstackclient/compute/v2/flavor.py

@@ -181,6 +181,15 @@ class ListFlavor(lister.Lister):
             action='store_true',
             default=False,
             help='List additional fields in output')
+        parser.add_argument(
+            '--marker',
+            metavar="<marker>",
+            help='The last flavor ID of the previous page')
+        parser.add_argument(
+            '--limit',
+            type=int,
+            metavar="<limit>",
+            help='Maximum number of flavors to display')
         return parser
 
     def take_action(self, parsed_args):
@@ -202,7 +211,9 @@ class ListFlavor(lister.Lister):
         # and flavors from their own projects only.
         is_public = None if parsed_args.all else parsed_args.public
 
-        data = compute_client.flavors.list(is_public=is_public)
+        data = compute_client.flavors.list(is_public=is_public,
+                                           marker=parsed_args.marker,
+                                           limit=parsed_args.limit)
 
         if parsed_args.long:
             columns = columns + (

openstackclient/tests/compute/v2/test_flavor.py

@@ -76,7 +76,9 @@ class TestFlavorList(TestFlavor):
 
         # Set expected values
         kwargs = {
-            'is_public': True
+            'is_public': True,
+            'limit': None,
+            'marker': None
         }
 
         self.flavors_mock.list.assert_called_with(
@@ -119,7 +121,9 @@ class TestFlavorList(TestFlavor):
 
         # Set expected values
         kwargs = {
-            'is_public': None
+            'is_public': None,
+            'limit': None,
+            'marker': None
         }
 
         self.flavors_mock.list.assert_called_with(
@@ -162,7 +166,9 @@ class TestFlavorList(TestFlavor):
 
         # Set expected values
         kwargs = {
-            'is_public': False
+            'is_public': False,
+            'limit': None,
+            'marker': None
         }
 
         self.flavors_mock.list.assert_called_with(
@@ -205,7 +211,9 @@ class TestFlavorList(TestFlavor):
 
         # Set expected values
         kwargs = {
-            'is_public': True
+            'is_public': True,
+            'limit': None,
+            'marker': None
         }
 
         self.flavors_mock.list.assert_called_with(
@@ -248,7 +256,9 @@ class TestFlavorList(TestFlavor):
 
         # Set expected values
         kwargs = {
-            'is_public': True
+            'is_public': True,
+            'limit': None,
+            'marker': None
         }
 
         self.flavors_mock.list.assert_called_with(