def test_kafka_info_consumer_group(host):
"""
Check if can get info on consumer groups
"""
# Given
topic_name = get_topic_name()
ensure_topic(
host,
topic_defaut_configuration,
topic_name
)
time.sleep(0.3)
consumer_group = get_consumer_group()
total_msg = 42
# When
produce_and_consume_topic(
topic_name, total_msg, consumer_group)
time.sleep(0.3)
# Then
results = call_kafka_info(
host,
{
'resource': 'consumer_group'
}
)
for r in results:
assert consumer_group in r['ansible_module_results']
def test_kafka_info_topics_config_not_include_defaults(host):
"""
Check if can get config on topic.
"""
# Given
topic_name = get_topic_name()
test_topic_configuration = topic_defaut_configuration.copy()
test_topic_configuration.update({
'options': {
'retention.ms': 66574936
}
})
ensure_topic(
host,
test_topic_configuration,
topic_name
)
time.sleep(0.3)
# When
results = call_kafka_info(
host,
{
'resource': 'topic-config',
'include_defaults': False
},
)
# Then
for r in results:
assert topic_name in r['ansible_module_results']
for name, topic_config in r['ansible_module_results'].items():
if name == topic_name:
assert int(topic_config['retention.ms']) == 66574936
assert 'min.insync.replicas' not in topic_config
def test_kafka_info_topic(host):
"""
Check if can get info on topic
"""
# Given
topic_name = get_topic_name()
ensure_topic(
host,
topic_defaut_configuration,
topic_name
)
time.sleep(0.3)
topic_test_name = get_topic_name()
topic_test_configuration = topic_defaut_configuration.copy()
topic_test_configuration.update({
'options': {
'min.insync.replicas': 2
}
})
ensure_topic(
host,
topic_test_configuration,
topic_test_name
)
time.sleep(0.3)
produce_and_consume_topic(topic_name, 10, get_consumer_group())
time.sleep(0.3)
# When
results = call_kafka_info(
host,
{
'resource': 'topic'
}
)
# Then
for r in results:
assert topic_name in r['ansible_module_results']
assert '__consumer_offsets' not in r['ansible_module_results']
for name, topic_info in r['ansible_module_results'].items():
for partition, partition_info in topic_info.items():
assert 'earliest_offset' in partition_info
assert 'latest_offset' in partition_info
assert partition_info['earliest_offset'] >= 0
assert (partition_info['latest_offset'] == 10
if name == topic_name
else partition_info['latest_offset'] >= 0)
if name == topic_name:
assert partition_info['at_min_isr']
assert not partition_info['under_replicated']
assert not partition_info['under_min_isr']
assert not partition_info['unavailable_partition']
elif name == topic_test_name:
assert not partition_info['at_min_isr']
assert not partition_info['under_replicated']
assert partition_info['under_min_isr']
assert not partition_info['unavailable_partition']
def test_kafka_info_brokers():
"""
Check if can get info on brokers
"""
# Given
topic_name = get_topic_name()
ensure_topic(localhost, topic_defaut_configuration, topic_name)
time.sleep(0.5)
# When
results = call_kafka_info(localhost, {'resource': 'broker'})
# Then
for r in results:
assert len(r['ansible_module_results']) == 2
def test_kafka_info_topic(host):
"""
Check if can get info on topic
"""
# Given
topic_name = get_topic_name()
ensure_topic(host, topic_defaut_configuration, topic_name)
time.sleep(0.3)
# When
results = call_kafka_info(host, {'resource': 'topic'})
# Then
for r in results:
assert topic_name in r['ansible_module_results']
def test_kafka_info_topic_include_internal(host):
"""
Check if can get info on topic
"""
# Given
topic_name = get_topic_name()
ensure_topic(
host,
topic_defaut_configuration,
topic_name
)
time.sleep(0.3)
topic_test_name = get_topic_name()
topic_test_configuration = topic_defaut_configuration.copy()
topic_test_configuration.update({
'options': {
'min.insync.replicas': 2
}
})
ensure_topic(
host,
topic_test_configuration,
topic_test_name
)
time.sleep(0.3)
produce_and_consume_topic(topic_name, 10, get_consumer_group())
time.sleep(0.3)
# When
results = call_kafka_info(
host,
{
'resource': 'topic',
'include_internal': True
}
)
# Then
for r in results:
assert topic_name in r['ansible_module_results']
assert '__consumer_offsets' in r['ansible_module_results']
def test_kafka_info_acl(host):
"""
Check if can get info on acl
"""
# Given
test_acl_configuration = acl_defaut_configuration.copy()
resource_name = get_acl_name()
test_acl_configuration.update({
'name': resource_name,
'state': 'present',
**sasl_default_configuration
})
ensure_acl(
host,
test_acl_configuration
)
time.sleep(0.3)
# When
results = call_kafka_info(
host,
{
'resource': 'acl'
}
)
expected = {
'resource_type': 'topic',
'operation': 'write',
'permission_type': 'allow',
'resource_name': resource_name,
'principal': 'User:common',
'host': '*',
'pattern_type': 'literal'
}
# Then
for r in results:
assert expected in r['ansible_module_results']['topic'][resource_name]
def test_rebalance_all_partitions_preserve_leader(host):
"""
Check if can reassign all topics-partition with
leader conservation.
"""
# Given
test_topic_name = get_topic_name()
test_topic_configuration = topic_defaut_configuration.copy()
test_topic_configuration.update({
'partitions': 50,
'replica_factor': 2,
'preserve_leader': True
})
ensure_kafka_topic(host, test_topic_configuration, test_topic_name)
time.sleep(0.3)
topics_config = call_kafka_info(
host, {
'resource': 'topic-config',
'include_internal': True,
'include_defaults': False
})
topics = call_kafka_info(host, {
'resource': 'topic',
'include_internal': True
})
all_topics = topics[0]['ansible_module_results']
all_topics_config = topics_config[0]['ansible_module_results']
test_topics = []
for topic_name, partitions in all_topics.items():
if topic_name == test_topic_name or topic_name.startswith('__'):
test_topics.append({
'name':
topic_name,
'partitions':
len(partitions),
'replica_factor':
len(partitions['0']['replicas']),
'options':
all_topics_config[topic_name],
'force_reassign':
True,
'preserve_leader':
True,
'state':
'present'
})
existing_leaders = []
for i, broker_topics in enumerate(topics):
existing_leaders.append({})
for topic_name, partitions in (
broker_topics['ansible_module_results'].items()):
if topic_name == test_topic_name or topic_name.startswith('__'):
for partition, config in partitions.items():
existing_leaders[i][(topic_name, partition)] = \
config['leader']
# When
test_topics_configuration = {
'topics': test_topics,
'kafka_sleep_time': 5,
'kafka_max_retries': 60
}
ensure_kafka_topics(host, test_topics_configuration)
time.sleep(10)
# Then
topics = call_kafka_info(host, {
'resource': 'topic',
'include_internal': True
})
for i, broker_topics in enumerate(topics):
resulting_replicas = {}
for topic_name, partitions in (
topics[i]['ansible_module_results'].items()):
if topic_name == test_topic_name or topic_name.startswith('__'):
for partition, config in partitions.items():
resulting_replicas[(topic_name, partition)] = \
config['replicas']
for topic_partition, leader in existing_leaders[i].items():
assert leader in resulting_replicas[topic_partition]
total_partitions = 0
partitions_per_broker = {}
for topic_name, partitions in (
topics[i]['ansible_module_results'].items()):
if topic_name == test_topic_name or topic_name.startswith('__'):
for partition, config in partitions.items():
for replica in config['replicas']:
if replica not in partitions_per_broker:
partitions_per_broker[replica] = 0
partitions_per_broker[replica] += 1
total_partitions += 1
mean_partitions = int(total_partitions * 1.0 /
len(partitions_per_broker))
for node_id, partitions in partitions_per_broker.items():
assert partitions >= mean_partitions, partitions_per_broker
assert partitions <= (mean_partitions + 1), partitions_per_broker
