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test_cluster.py
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207 lines (170 loc) · 7.11 KB
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# pylint: skip-file
import socket
from kafka.cluster import ClusterMetadata, collect_hosts
from kafka.protocol.new.metadata import MetadataResponse
def test_empty_broker_list():
cluster = ClusterMetadata()
assert len(cluster.brokers()) == 0
cluster.update_metadata(MetadataResponse[0](
[(0, 'foo', 12), (1, 'bar', 34)], []))
assert len(cluster.brokers()) == 2
# empty broker list response should be ignored
cluster.update_metadata(MetadataResponse[0](
[], # empty brokers
[(17, 'foo', []), (17, 'bar', [])])) # topics w/ error
assert len(cluster.brokers()) == 2
def test_metadata_v0():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[0](
[(0, 'foo', 12), (1, 'bar', 34)],
[(0, 'topic-1', [(0, 0, 0, [0], [0])])]))
assert len(cluster.topics()) == 1
assert cluster.controller is None
assert cluster.cluster_id is None
assert cluster._partitions['topic-1'][0].offline_replicas == []
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v1():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[1](
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, [0], [0])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id is None
assert cluster._partitions['topic-1'][0].offline_replicas == []
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v2():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[2](
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
'cluster-foo', # cluster_id
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, [0], [0])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id == 'cluster-foo'
assert cluster._partitions['topic-1'][0].offline_replicas == []
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v3():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[3](
0, # throttle_time_ms
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
'cluster-foo', # cluster_id
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, [0], [0])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id == 'cluster-foo'
assert cluster._partitions['topic-1'][0].offline_replicas == []
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v4():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[4](
0, # throttle_time_ms
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
'cluster-foo', # cluster_id
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, [0], [0])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id == 'cluster-foo'
assert cluster._partitions['topic-1'][0].offline_replicas == []
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v5():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[5](
0, # throttle_time_ms
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
'cluster-foo', # cluster_id
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, [0], [0], [12])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id == 'cluster-foo'
assert cluster._partitions['topic-1'][0].offline_replicas == [12]
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v6():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[6](
0, # throttle_time_ms
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
'cluster-foo', # cluster_id
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, [0], [0], [12])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id == 'cluster-foo'
assert cluster._partitions['topic-1'][0].offline_replicas == [12]
assert cluster._partitions['topic-1'][0].leader_epoch == -1
def test_metadata_v7():
cluster = ClusterMetadata()
cluster.update_metadata(MetadataResponse[7](
0, # throttle_time_ms
[(0, 'foo', 12, 'rack-1'), (1, 'bar', 34, 'rack-2')],
'cluster-foo', # cluster_id
0, # controller_id
[(0, 'topic-1', False, [(0, 0, 0, 0, [0], [0], [12])])]))
assert len(cluster.topics()) == 1
assert cluster.controller == cluster.broker_metadata(0)
assert cluster.cluster_id == 'cluster-foo'
assert cluster._partitions['topic-1'][0].offline_replicas == [12]
assert cluster._partitions['topic-1'][0].leader_epoch == 0
def test_unauthorized_topic():
cluster = ClusterMetadata()
assert len(cluster.brokers()) == 0
cluster.update_metadata(MetadataResponse[0](
[(0, 'foo', 12), (1, 'bar', 34)],
[(29, 'unauthorized-topic', [])])) # single topic w/ unauthorized error
# broker metadata should get updated
assert len(cluster.brokers()) == 2
# topic should be added to unauthorized list
assert 'unauthorized-topic' in cluster.unauthorized_topics
def test_collect_hosts__happy_path():
hosts = "127.0.0.1:1234,127.0.0.1"
results = collect_hosts(hosts)
assert set(results) == set([
('127.0.0.1', 1234, socket.AF_INET),
('127.0.0.1', 9092, socket.AF_INET),
])
def test_collect_hosts__ipv6():
hosts = "[localhost]:1234,[2001:1000:2000::1],[2001:1000:2000::1]:1234"
results = collect_hosts(hosts)
assert set(results) == set([
('localhost', 1234, socket.AF_INET6),
('2001:1000:2000::1', 9092, socket.AF_INET6),
('2001:1000:2000::1', 1234, socket.AF_INET6),
])
def test_collect_hosts__string_list():
hosts = [
'localhost:1234',
'localhost',
'[localhost]',
'2001::1',
'[2001::1]',
'[2001::1]:1234',
]
results = collect_hosts(hosts)
assert set(results) == set([
('localhost', 1234, socket.AF_UNSPEC),
('localhost', 9092, socket.AF_UNSPEC),
('localhost', 9092, socket.AF_INET6),
('2001::1', 9092, socket.AF_INET6),
('2001::1', 9092, socket.AF_INET6),
('2001::1', 1234, socket.AF_INET6),
])
def test_collect_hosts__with_spaces():
hosts = "localhost:1234, localhost"
results = collect_hosts(hosts)
assert set(results) == set([
('localhost', 1234, socket.AF_UNSPEC),
('localhost', 9092, socket.AF_UNSPEC),
])
def test_collect_hosts__protocol():
hosts = "SASL_SSL://foo.bar:1234,SASL_SSL://fizz.buzz:5678"
results = collect_hosts(hosts)
assert set(results) == set([
('foo.bar', 1234, socket.AF_UNSPEC),
('fizz.buzz', 5678, socket.AF_UNSPEC),
])