def test_find_flavor_differences_no_differences(self):
empty_flavor_diff = {'new': set(), 'retired': set()}
self.assertEqual(empty_flavor_diff,
sb.find_flavor_differences([], []))
self.assertEqual(empty_flavor_diff,
sb.find_flavor_differences(TEST_FLAVORS,
TEST_FLAVORS))
def test_find_flavor_differences_no_differences(self):
empty_flavor_diff = {'new': set(), 'retired': set()}
self.assertEqual(empty_flavor_diff,
sb.find_flavor_differences([], []))
self.assertEqual(empty_flavor_diff,
sb.find_flavor_differences(TEST_FLAVORS,
TEST_FLAVORS))
def test_find_flavor_differences_retired_flavors(self):
flavors_with_retired = copy.deepcopy(TEST_FLAVORS)
flavors_with_retired.pop(0)
self.assertEqual(
{"new": set(), "retired": set(["IO"])}, sb.find_flavor_differences(TEST_FLAVORS, flavors_with_retired)
)
flavors_with_retired.pop(0)
self.assertEqual(
{"new": set(), "retired": set(["IO", "Compute"])},
sb.find_flavor_differences(TEST_FLAVORS, flavors_with_retired),
)
def test_find_flavor_differences_retired_flavors(self):
flavors_with_retired = copy.deepcopy(TEST_FLAVORS)
flavors_with_retired.pop(0)
self.assertEqual({'new': set(),
'retired': set(['IO'])},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_retired))
flavors_with_retired.pop(0)
self.assertEqual({'new': set(),
'retired': set(['IO', 'Compute'])},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_retired))
def test_find_flavor_differences_retired_flavors(self):
flavors_with_retired = copy.deepcopy(TEST_FLAVORS)
flavors_with_retired.pop(0)
self.assertEqual({'new': set(),
'retired': set(['IO'])},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_retired))
flavors_with_retired.pop(0)
self.assertEqual({'new': set(),
'retired': set(['IO', 'Compute'])},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_retired))
def test_find_flavor_differences_new_flavors(self):
flavors_with_new = copy.deepcopy(TEST_FLAVORS)
flavors_with_new.append(sb.FlavorInput("GraphicalCompute", lambda node: True))
self.assertEqual(
{"new": set(["GraphicalCompute"]), "retired": set()},
sb.find_flavor_differences(TEST_FLAVORS, flavors_with_new),
)
flavors_with_new.append(sb.FlavorInput("BitcoinMiner", lambda node: False))
self.assertEqual(
{"new": set(["GraphicalCompute", "BitcoinMiner"]), "retired": set()},
sb.find_flavor_differences(TEST_FLAVORS, flavors_with_new),
)
def test_find_flavor_differences_new_flavors(self):
flavors_with_new = copy.deepcopy(TEST_FLAVORS)
flavors_with_new.append(sb.FlavorInput('GraphicalCompute',
lambda node: True))
self.assertEqual({'new': set(['GraphicalCompute']),
'retired': set()},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_new))
flavors_with_new.append(sb.FlavorInput("BitcoinMiner",
lambda node: False))
self.assertEqual({'new': set(["GraphicalCompute", "BitcoinMiner"]),
'retired': set()},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_new))
def test_find_flavor_differences_all_diffs(self):
flavors_with_all_diffs = copy.deepcopy(TEST_FLAVORS)
flavors_with_all_diffs.pop(0)
flavors_with_all_diffs.append(sb.FlavorInput("GraphicalCompute", lambda node: True))
self.assertEqual(
{"new": set(["GraphicalCompute"]), "retired": set(["IO"])},
sb.find_flavor_differences(TEST_FLAVORS, flavors_with_all_diffs),
)
def test_find_flavor_differences_all_diffs(self):
flavors_with_all_diffs = copy.deepcopy(TEST_FLAVORS)
flavors_with_all_diffs.pop(0)
flavors_with_all_diffs.append(sb.FlavorInput('GraphicalCompute',
lambda node: True))
self.assertEqual({'new': set(['GraphicalCompute']),
'retired': set(['IO'])},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_all_diffs))
def test_find_flavor_differences_all_diffs(self):
flavors_with_all_diffs = copy.deepcopy(TEST_FLAVORS)
flavors_with_all_diffs.pop(0)
flavors_with_all_diffs.append(sb.FlavorInput('GraphicalCompute',
lambda node: True))
self.assertEqual({'new': set(['GraphicalCompute']),
'retired': set(['IO'])},
sb.find_flavor_differences(TEST_FLAVORS,
flavors_with_all_diffs))
def update_current_state(self, nodes, images, flavors):
# For now, flavors should remain static.
# In the future we'll handle changing flavor profiles if needed,
# but it seems unlikely that flavors will change often enough.
self.flavor_diff = sb.find_flavor_differences(self.current_flavors, flavors)
sb.log_flavor_differences(self.flavor_diff)
self.current_flavors = flavors
# Image differences are important because changed or retired
# images should be ejected from the cache.
self.image_diff = sb.find_image_differences(self.current_images, images)
sb.log_image_differences(self.image_diff)
self.current_images = images
self.current_image_uuids = sb.build_attribute_set(images, "uuid")
# We don't compare old node state versus new, because that would be
# a relatively large and complicated task. Instead, we only rely on
# the current state of nodes to inform ourselves whether we're meeting
# our stated goals or not.
self.current_nodes = nodes
def update_current_state(self, nodes, images, flavors):
# For now, flavors should remain static.
# In the future we'll handle changing flavor profiles if needed,
# but it seems unlikely that flavors will change often enough.
self.flavor_diff = sb.find_flavor_differences(self.current_flavors,
flavors)
sb.log_flavor_differences(self.flavor_diff)
self.current_flavors = flavors
# Image differences are important because changed or retired
# images should be ejected from the cache.
self.image_diff = sb.find_image_differences(self.current_images,
images)
sb.log_image_differences(self.image_diff)
self.current_images = images
self.current_image_uuids = sb.build_attribute_set(images, 'uuid')
# We don't compare old node state versus new, because that would be
# a relatively large and complicated task. Instead, we only rely on
# the current state of nodes to inform ourselves whether we're meeting
# our stated goals or not.
self.current_nodes = nodes
