Added marker functionality to flavours and images

Markers to support pagination was missing from flavours
and from images.

Change-Id: I27de83f18a4850b63020ac60e010839a13e916fb

novaclient/tests/unit/v2/test_flavors.py

@@ -45,6 +45,10 @@ class FlavorsTest(utils.TestCase):
         for flavor in fl:
             self.assertIsInstance(flavor, self.flavor_type)
 
+    def test_list_flavors_with_marker_limit(self):
+        self.cs.flavors.list(marker=1234, limit=4)
+        self.cs.assert_called('GET', '/flavors/detail?limit=4&marker=1234')
+
     def test_list_flavors_is_public_none(self):
         fl = self.cs.flavors.list(is_public=None)
         self.cs.assert_called('GET', '/flavors/detail?is_public=None')

novaclient/tests/unit/v2/test_images.py

@@ -35,9 +35,9 @@ class ImagesTest(utils.FixturedTestCase):
         for i in il:
             self.assertIsInstance(i, images.Image)
 
-    def test_list_images_with_limit(self):
-        self.cs.images.list(limit=4)
-        self.assert_called('GET', '/images/detail?limit=4')
+    def test_list_images_with_marker_limit(self):
+        self.cs.images.list(marker=1234, limit=4)
+        self.assert_called('GET', '/images/detail?limit=4&marker=1234')
 
     def test_get_image_details(self):
         i = self.cs.images.get(1)

novaclient/v2/flavors.py

@@ -93,18 +93,26 @@ class FlavorManager(base.ManagerWithFind):
     resource_class = Flavor
     is_alphanum_id_allowed = True
 
-    def list(self, detailed=True, is_public=True):
+    def list(self, detailed=True, is_public=True, marker=None, limit=None):
         """
         Get a list of all flavors.
 
         :rtype: list of :class:`Flavor`.
+        :param limit: maximum number of flavors to return (optional).
+        :param marker: Begin returning flavors that appear later in the flavor
+                       list than that represented by this flavor id (optional).
         """
         qparams = {}
         # is_public is ternary - None means give all flavors.
         # By default Nova assumes True and gives admins public flavors
         # and flavors from their own projects only.
+        if marker:
+            qparams['marker'] = str(marker)
+        if limit:
+            qparams['limit'] = int(limit)
         if not is_public:
             qparams['is_public'] = is_public
+        qparams = sorted(qparams.items(), key=lambda x: x[0])
         query_string = "?%s" % parse.urlencode(qparams) if qparams else ""
 
         detail = ""

novaclient/v2/images.py

@@ -52,12 +52,14 @@ class ImageManager(base.ManagerWithFind):
         """
         return self._get("/images/%s" % base.getid(image), "image")
 
-    def list(self, detailed=True, limit=None):
+    def list(self, detailed=True, limit=None, marker=None):
         """
         Get a list of all images.
 
         :rtype: list of :class:`Image`
         :param limit: maximum number of images to return.
+        :param marker: Begin returning images that appear later in the image
+                       list than that represented by this image id (optional).
         """
         params = {}
         detail = ''
@@ -65,6 +67,9 @@ class ImageManager(base.ManagerWithFind):
             detail = '/detail'
         if limit:
             params['limit'] = int(limit)
+        if marker:
+            params['marker'] = str(marker)
+        params = sorted(params.items(), key=lambda x: x[0])
         query = '?%s' % parse.urlencode(params) if params else ''
         return self._list('/images%s%s' % (detail, query), 'images')