def setUp(self):
self.cluster = Cluster()
self.cluster.add_broker(Broker(1, "brokerhost1.example.com"))
self.cluster.add_broker(Broker(2, "brokerhost2.example.com"))
self.cluster.add_broker(Broker(3, "brokerhost3.example.com"))
self.cluster.add_topic(Topic("testTopic1", 2))
self.cluster.add_topic(Topic("testTopic2", 2))
def set_up_cluster_4broker():
cluster = Cluster()
cluster.add_broker(Broker(1, "brokerhost1.example.com"))
cluster.add_broker(Broker(2, "brokerhost2.example.com"))
cluster.add_broker(Broker(3, "brokerhost3.example.com"))
cluster.add_broker(Broker(4, "brokerhost4.example.com"))
cluster.brokers[1].rack = "a"
cluster.brokers[2].rack = "a"
cluster.brokers[3].rack = "b"
cluster.brokers[4].rack = "b"
cluster.add_topic(Topic("testTopic1", 4))
cluster.add_topic(Topic("testTopic2", 4))
cluster.add_topic(Topic("testTopic3", 4))
partition = cluster.topics['testTopic1'].partitions[0]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
partition = cluster.topics['testTopic1'].partitions[1]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[3], 1)
partition = cluster.topics['testTopic1'].partitions[2]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[3], 1)
partition = cluster.topics['testTopic1'].partitions[3]
partition.add_replica(cluster.brokers[4], 0)
partition.add_replica(cluster.brokers[1], 1)
partition = cluster.topics['testTopic2'].partitions[0]
partition.add_replica(cluster.brokers[4], 0)
partition.add_replica(cluster.brokers[3], 1)
partition = cluster.topics['testTopic2'].partitions[1]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[4], 1)
partition = cluster.topics['testTopic2'].partitions[2]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[1], 1)
partition = cluster.topics['testTopic2'].partitions[3]
partition.add_replica(cluster.brokers[3], 0)
partition.add_replica(cluster.brokers[1], 1)
partition = cluster.topics['testTopic3'].partitions[0]
partition.add_replica(cluster.brokers[3], 0)
partition.add_replica(cluster.brokers[2], 1)
partition = cluster.topics['testTopic3'].partitions[1]
partition.add_replica(cluster.brokers[4], 0)
partition.add_replica(cluster.brokers[2], 1)
partition = cluster.topics['testTopic3'].partitions[2]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
partition = cluster.topics['testTopic3'].partitions[3]
partition.add_replica(cluster.brokers[3], 0)
partition.add_replica(cluster.brokers[4], 1)
return cluster
def create_cluster_onehost(self):
cluster = Cluster()
cluster.add_broker(Broker(1, "brokerhost1.example.com"))
cluster.add_topic(Topic("testTopic1", 2))
cluster.add_topic(Topic("testTopic2", 2))
partition = cluster.topics['testTopic1'].partitions[0]
partition.add_replica(cluster.brokers[1], 0)
partition = cluster.topics['testTopic1'].partitions[1]
partition.add_replica(cluster.brokers[1], 0)
partition = cluster.topics['testTopic2'].partitions[0]
partition.add_replica(cluster.brokers[1], 0)
partition = cluster.topics['testTopic2'].partitions[1]
partition.add_replica(cluster.brokers[1], 0)
return cluster
def test_process_cluster_large_partition_early(self):
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 3))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.size = 1000
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition.size = 2000
partition = self.cluster.topics['testTopic3'].partitions[2]
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition.size = 1000
self.cluster.topics['testTopic1'].partitions[0].size = 8000
action = ActionBalanceSize(self.args, self.cluster)
action.process_cluster()
b1_0 = sum([p.size for p in self.cluster.brokers[1].partitions[0]], 0)
b1_1 = sum([p.size for p in self.cluster.brokers[1].partitions[1]], 0)
b2_0 = sum([p.size for p in self.cluster.brokers[2].partitions[0]], 0)
b2_1 = sum([p.size for p in self.cluster.brokers[2].partitions[1]], 0)
assert b1_0 >= 8000 and b1_0 <= 9000
assert b1_1 >= 8000 and b1_1 <= 9000
assert b2_0 >= 8000 and b2_0 <= 9000
assert b2_1 >= 8000 and b2_1 <= 9000
def test_process_cluster_odd_partitions(self):
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 3))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.size = 1000
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b2, 0)
partition.add_replica(b1, 1)
partition.size = 2000
partition = self.cluster.topics['testTopic3'].partitions[2]
partition.add_replica(b2, 0)
partition.add_replica(b1, 1)
partition.size = 1000
action = ActionBalanceSize(self.args, self.cluster)
action.process_cluster()
assert sum([p.size for p in self.cluster.brokers[1].partitions[0]],
0) == 5000
assert sum([p.size for p in self.cluster.brokers[1].partitions[1]],
0) == 5000
assert sum([p.size for p in self.cluster.brokers[2].partitions[0]],
0) == 5000
assert sum([p.size for p in self.cluster.brokers[2].partitions[1]],
0) == 5000
def test_process_cluster_empty_one(self):
self.cluster.add_broker(Broker(3, 'brokerhost3.example.com'))
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
b3 = self.cluster.brokers[3]
self.cluster.add_topic(Topic("testTopic3", 2))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.add_replica(b3, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b2, 0)
partition.add_replica(b3, 1)
self.cluster.topics['testTopic1'].partitions[0].swap_replicas(b1, b3)
self.cluster.topics['testTopic1'].partitions[1].swap_replicas(b1, b3)
self.cluster.topics['testTopic2'].partitions[0].swap_replicas(b1, b3)
self.cluster.topics['testTopic2'].partitions[1].swap_replicas(b1, b3)
action = ActionBalanceCount(self.args, self.cluster)
action.process_cluster()
assert len(b1.partitions[0]) == 2
assert len(b1.partitions[1]) == 2
assert len(b2.partitions[0]) == 2
assert len(b2.partitions[1]) == 2
assert len(b3.partitions[0]) == 2
assert len(b3.partitions[1]) == 2
def test_process_cluster_empty_broker(self):
self.cluster.add_broker(Broker(3, 'brokerhost3.example.com'))
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 2))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.size = 1000
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b2, 0)
partition.add_replica(b1, 1)
partition.size = 2000
action = ActionBalanceSize(self.args, self.cluster)
action.process_cluster()
assert sum([p.size for p in self.cluster.brokers[1].partitions[0]],
0) == 3000
assert sum([p.size for p in self.cluster.brokers[1].partitions[1]],
0) == 3000
assert sum([p.size for p in self.cluster.brokers[2].partitions[0]],
0) == 3000
assert sum([p.size for p in self.cluster.brokers[2].partitions[1]],
0) == 3000
assert sum([p.size for p in self.cluster.brokers[3].partitions[0]],
0) == 3000
assert sum([p.size for p in self.cluster.brokers[3].partitions[1]],
0) == 3000
def setUp(self):
self.topic = Topic('testTopic', 10)
self.broker = Broker(1, 'brokerhost1.example.com')
for i in range(10):
self.topic.partitions[i].replicas = [self.broker]
self.reassignment = Reassignment(self.topic.partitions, pause_time=0)
self.null_plugin = PluginModule()
def add_topic_with_replicas(cluster, topic, topic_data):
newtopic = Topic(topic, len(topic_data['partitions']))
for partition in topic_data['partitions']:
for i, replica in enumerate(topic_data['partitions'][partition]):
if replica not in cluster.brokers:
# Hit a replica that's not in the ID list (which means it's dead)
# We'll add it, but trying to get sizes will fail as we don't have a hostname
cluster.add_broker(Broker(replica, None))
newtopic.partitions[int(partition)].add_replica(
cluster.brokers[replica], i)
cluster.add_topic(newtopic)
def test_skip_topic_different_rf(self):
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 2))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b1, 0)
action = ActionBalanceEven(self.args, self.cluster)
assert not action.check_topic_ok(self.cluster.topics['testTopic3'])
def set_up_cluster():
cluster = Cluster()
cluster.retention = 100000
cluster.add_broker(Broker(1, "brokerhost1.example.com"))
cluster.add_broker(Broker(2, "brokerhost2.example.com"))
cluster.brokers[1].rack = "a"
cluster.brokers[2].rack = "b"
cluster.add_topic(Topic("testTopic1", 2))
cluster.add_topic(Topic("testTopic2", 2))
partition = cluster.topics['testTopic1'].partitions[0]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
partition = cluster.topics['testTopic1'].partitions[1]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[1], 1)
partition = cluster.topics['testTopic2'].partitions[0]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[1], 1)
partition = cluster.topics['testTopic2'].partitions[1]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
return cluster
def test_process_cluster_different_rf(self):
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 2))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b1, 0)
self.cluster.topics['testTopic1'].partitions[0].swap_replica_positions(b1, b2)
action = ActionBalanceEven(self.args, self.cluster)
action.process_cluster()
assert self.is_cluster_even(skip_topics=['testTopic3'])
def set_up_cluster():
cluster = Cluster()
cluster.add_broker(Broker(1, "brokerhost1.example.com"))
cluster.add_broker(Broker(2, "brokerhost2.example.com"))
cluster.add_topic(Topic("testTopic1", 2))
cluster.add_topic(Topic("testTopic2", 2))
partition = cluster.topics['testTopic1'].partitions[0]
partition.add_replica(cluster.brokers[2], 0)
partition.add_replica(cluster.brokers[1], 1)
partition.size = 1001
partition = cluster.topics['testTopic1'].partitions[1]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
partition.size = 1002
partition = cluster.topics['testTopic2'].partitions[0]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
partition.size = 2001
partition = cluster.topics['testTopic2'].partitions[1]
partition.add_replica(cluster.brokers[1], 0)
partition.add_replica(cluster.brokers[2], 1)
partition.size = 2002
return cluster
def test_process_cluster_odd_count(self):
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 1))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
self.cluster.topics['testTopic1'].partitions[0].swap_replica_positions(
b1, b2)
action = ActionBalanceCount(self.args, self.cluster)
action.process_cluster()
b1_0 = len(b1.partitions[0])
b1_1 = len(b1.partitions[1])
assert b1_0 == len(b2.partitions[1])
assert b1_1 == len(b2.partitions[0])
assert b1_0 >= 2 and b1_0 <= 3
assert b1_1 >= 2 and b1_1 <= 3
def test_process_cluster_one_move(self):
b1 = self.cluster.brokers[1]
b2 = self.cluster.brokers[2]
self.cluster.add_topic(Topic("testTopic3", 2))
partition = self.cluster.topics['testTopic3'].partitions[0]
partition.add_replica(b1, 0)
partition.add_replica(b2, 1)
partition = self.cluster.topics['testTopic3'].partitions[1]
partition.add_replica(b2, 0)
partition.add_replica(b1, 1)
self.cluster.topics['testTopic1'].partitions[0].swap_replica_positions(
b1, b2)
action = ActionBalanceCount(self.args, self.cluster)
action.process_cluster()
assert len(b1.partitions[0]) == 3
assert len(b1.partitions[1]) == 3
assert len(b2.partitions[0]) == 3
assert len(b2.partitions[1]) == 3
def add_partitions(self, pos, num):
topic = Topic('testTopic', num)
self.broker.partitions[pos] = []
for i in range(num):
self.broker.partitions[pos].append(topic.partitions[i])
def setUp(self):
self.topic = Topic('testTopic', 10)
self.broker = Broker(1, 'brokerhost1.example.com')
for i in range(10):
self.topic.partitions[i].replicas = [self.broker]
def setUp(self):
self.cluster = Cluster(retention=500000)
self.topic = Topic('testTopic', 1)
self.topic.cluster = self.cluster
self.topic.cluster.topics['testTopic'] = self.topic
class TopicAndPartitionTests(unittest.TestCase):
def setUp(self):
self.cluster = Cluster(retention=500000)
self.topic = Topic('testTopic', 1)
self.topic.cluster = self.cluster
self.topic.cluster.topics['testTopic'] = self.topic
def test_topic_create(self):
assert self.topic.name == 'testTopic'
assert len(self.topic.partitions) == 1
assert self.topic.cluster == self.cluster
def test_partition_create(self):
assert len(self.topic.partitions) == 1
assert self.topic.partitions[0].topic == self.topic
assert self.topic.partitions[0].num == 0
assert self.topic.partitions[0].replicas == []
assert self.topic.partitions[0].size == 0
def test_topic_equality(self):
topic2 = Topic('testTopic', 1)
assert self.topic == topic2
def test_topic_equality_with_different_partitions(self):
topic2 = Topic('testTopic', 2)
assert self.topic == topic2
def test_topic_inequality(self):
topic2 = Topic('anotherTestTopic', 1)
assert self.topic != topic2
def test_topic_equality_typeerror(self):
self.assertRaises(TypeError, self.topic.__eq__, None)
def test_topic_copy(self):
topic2 = self.topic.copy()
assert topic2.name == 'testTopic'
assert len(topic2.partitions) == 0
assert self.topic.cluster == topic2.cluster
assert self.topic is not topic2
def test_partition_equality(self):
partition2 = Partition(self.topic, 0)
assert self.topic.partitions[0] == partition2
def test_partition_equality_with_different_replicas(self):
partition2 = Partition(self.topic, 0)
broker = Broker(1, 'testhost1')
partition2.replicas = [broker]
assert self.topic.partitions[0] == partition2
def test_partition_inequality_on_topic_name(self):
topic2 = Topic('anotherTestTopic', 1)
assert self.topic.partitions[0] != topic2.partitions[0]
def test_partition_inequality_on_partition_num(self):
partition2 = Partition(self.topic, 1)
assert self.topic.partitions[0] != partition2
def test_partition_equality_typeerror(self):
self.assertRaises(TypeError, self.topic.partitions[0].__eq__, None)
def test_partition_copy_without_replicas(self):
partition2 = self.topic.partitions[0].copy()
assert self.topic.partitions[0] == partition2
assert self.topic.partitions[0] is not partition2
def test_partition_copy_with_replicas(self):
broker = Broker(1, 'testhost1')
self.topic.partitions[0].replicas = [broker]
partition2 = self.topic.partitions[0].copy()
assert self.topic.partitions[0] == partition2
assert partition2.replicas == []
assert self.topic.partitions[0] is not partition2
def test_add_partition_to_topic(self):
partition2 = Partition(self.topic, 1)
self.topic.add_partition(partition2)
assert len(self.topic.partitions) == 2
assert self.topic.partitions[1].topic == self.topic
assert self.topic.partitions[1].num == 1
assert self.topic.partitions[1].replicas == []
assert self.topic.partitions[1].size == 0
def test_set_partition_size(self):
self.topic.partitions[0].set_size(100)
assert self.topic.partitions[0].size == 100
def test_set_partition_size_skipped(self):
self.topic.partitions[0].set_size(100)
self.topic.partitions[0].set_size(99)
assert self.topic.partitions[0].size == 100
def test_set_partition_size_larger(self):
self.topic.partitions[0].set_size(100)
self.topic.partitions[0].set_size(200)
assert self.topic.partitions[0].size == 200
def test_set_partition_scaled_size_smaller(self):
self.topic.retention = 1000000
self.topic.partitions[0].set_size(100)
assert self.topic.partitions[0].scaled_size == 50
def test_set_partition_scaled_size_larger(self):
self.topic.retention = 100000
self.topic.partitions[0].set_size(100)
assert self.topic.partitions[0].scaled_size == 500
def test_partition_dict_for_reassignment_without_replicas(self):
expected = {"topic": 'testTopic', "partition": 0, "replicas": []}
assert self.topic.partitions[0].dict_for_reassignment() == expected
def test_partition_dict_for_reassignment_with_replicas(self):
broker = Broker(1, 'testhost1')
self.topic.partitions[0].replicas = [broker]
expected = {"topic": 'testTopic', "partition": 0, "replicas": [1]}
assert self.topic.partitions[0].dict_for_reassignment() == expected
def test_partition_dict_for_replica_election(self):
expected = {"topic": 'testTopic', "partition": 0}
assert self.topic.partitions[0].dict_for_replica_election() == expected
def test_partition_inequality_on_topic_name(self):
topic2 = Topic('anotherTestTopic', 1)
assert self.topic.partitions[0] != topic2.partitions[0]
def test_topic_inequality(self):
topic2 = Topic('anotherTestTopic', 1)
assert self.topic != topic2
def add_partitions_to_broker(self, broker_id, pos, num):
topic = Topic('testTopic', num)
self.cluster.brokers[broker_id].partitions[pos] = []
for i in range(num):
self.cluster.brokers[broker_id].partitions[pos].append(
topic.partitions[i])
def test_topic_equality(self):
topic2 = Topic('testTopic', 1)
assert self.topic == topic2
def setUp(self):
self.topic = Topic('testTopic', 10)
self.broker = Broker(1, 'brokerhost1.example.com')
for i in range(10):
self.topic.partitions[i].replicas = [self.broker]
self.replica_election = ReplicaElection(self.topic.partitions, pause_time=0)
def setUp(self):
self.topic = Topic('testTopic', 1)
class TopicAndPartitionTests(unittest.TestCase):
def setUp(self):
self.topic = Topic('testTopic', 1)
def test_topic_create(self):
assert self.topic.name == 'testTopic'
assert len(self.topic.partitions) == 1
assert self.topic.cluster is None
def test_partition_create(self):
assert len(self.topic.partitions) == 1
assert self.topic.partitions[0].topic == self.topic
assert self.topic.partitions[0].num == 0
assert self.topic.partitions[0].replicas == []
assert self.topic.partitions[0].size == 0
def test_topic_equality(self):
topic2 = Topic('testTopic', 1)
assert self.topic == topic2
def test_topic_equality_with_different_partitions(self):
topic2 = Topic('testTopic', 2)
assert self.topic == topic2
def test_topic_inequality(self):
topic2 = Topic('anotherTestTopic', 1)
assert self.topic != topic2
def test_topic_equality_typeerror(self):
self.assertRaises(TypeError, self.topic.__eq__, None)
def test_topic_copy(self):
topic2 = self.topic.copy()
assert topic2.name == 'testTopic'
assert len(topic2.partitions) == 0
assert self.topic.cluster == topic2.cluster
assert self.topic is not topic2
def test_partition_equality(self):
partition2 = Partition(self.topic, 0)
assert self.topic.partitions[0] == partition2
def test_partition_equality_with_different_replicas(self):
partition2 = Partition(self.topic, 0)
broker = Broker(1, 'testhost1')
partition2.replicas = [broker]
assert self.topic.partitions[0] == partition2
def test_partition_inequality_on_topic_name(self):
topic2 = Topic('anotherTestTopic', 1)
assert self.topic.partitions[0] != topic2.partitions[0]
def test_partition_inequality_on_partition_num(self):
partition2 = Partition(self.topic, 1)
assert self.topic.partitions[0] != partition2
def test_partition_equality_typeerror(self):
self.assertRaises(TypeError, self.topic.partitions[0].__eq__, None)
def test_partition_copy_without_replicas(self):
partition2 = self.topic.partitions[0].copy()
assert self.topic.partitions[0] == partition2
assert self.topic.partitions[0] is not partition2
def test_partition_copy_with_replicas(self):
broker = Broker(1, 'testhost1')
self.topic.partitions[0].replicas = [broker]
partition2 = self.topic.partitions[0].copy()
assert self.topic.partitions[0] == partition2
assert partition2.replicas == []
assert self.topic.partitions[0] is not partition2
def test_add_partition_to_topic(self):
partition2 = Partition(self.topic, 1)
self.topic.add_partition(partition2)
assert len(self.topic.partitions) == 2
assert self.topic.partitions[1].topic == self.topic
assert self.topic.partitions[1].num == 1
assert self.topic.partitions[1].replicas == []
assert self.topic.partitions[1].size == 0
def test_set_partition_size(self):
self.topic.partitions[0].set_size(100)
assert self.topic.partitions[0].size == 100
def test_set_partition_size_skipped(self):
self.topic.partitions[0].set_size(100)
self.topic.partitions[0].set_size(99)
assert self.topic.partitions[0].size == 100
def test_set_partition_size_larger(self):
self.topic.partitions[0].set_size(100)
self.topic.partitions[0].set_size(200)
assert self.topic.partitions[0].size == 200
def test_partition_dict_for_reassignment_without_replicas(self):
expected = {"topic": 'testTopic', "partition": 0, "replicas": []}
assert self.topic.partitions[0].dict_for_reassignment() == expected
def test_partition_dict_for_reassignment_with_replicas(self):
broker = Broker(1, 'testhost1')
self.topic.partitions[0].replicas = [broker]
expected = {"topic": 'testTopic', "partition": 0, "replicas": [1]}
assert self.topic.partitions[0].dict_for_reassignment() == expected
def test_partition_dict_for_replica_election(self):
expected = {"topic": 'testTopic', "partition": 0}
assert self.topic.partitions[0].dict_for_replica_election() == expected
def test_topic_equality_with_different_partitions(self):
topic2 = Topic('testTopic', 2)
assert self.topic == topic2
def add_topics(self, num, partition_count=2):
for i in range(1, num + 1):
topic = Topic("testTopic{0}".format(i), partition_count)
self.cluster.add_topic(topic)
