本文整理汇总了Python中helpers.cluster.ClickHouseCluster.start方法的典型用法代码示例。如果您正苦于以下问题:Python ClickHouseCluster.start方法的具体用法?Python ClickHouseCluster.start怎么用?Python ClickHouseCluster.start使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类helpers.cluster.ClickHouseCluster
的用法示例。
在下文中一共展示了ClickHouseCluster.start方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_different_user
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
def test_different_user():
current_user_id = os.getuid()
if current_user_id != 0:
return
other_user_id = pwd.getpwnam('nobody').pw_uid
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node')
cluster.start()
docker_api = docker.from_env().api
container = node.get_docker_handle()
container.stop()
container.start()
container.exec_run('chown {} /var/lib/clickhouse'.format(other_user_id), privileged=True)
container.exec_run(CLICKHOUSE_START_COMMAND)
cluster.shutdown() # cleanup
with open(os.path.join(node.path, 'logs/clickhouse-server.err.log')) as log:
expected_message = "Effective user of the process \(.*\) does not match the owner of the data \(.*\)\. Run under 'sudo -u .*'\."
last_message = log.readlines()[-1].strip()
if re.search(expected_message, last_message) is None:
pytest.fail('Expected the server to fail with a message "{}", but the last message is "{}"'.format(expected_message, last_message))
示例2: started_cluster
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
def started_cluster():
global cluster
try:
clusters_schema = {
"0" : {
"0" : ["0", "1"],
"1" : ["0"]
},
"1" : {
"0" : ["0", "1"],
"1" : ["0"]
}
}
cluster = ClickHouseCluster(__file__)
for cluster_name, shards in clusters_schema.iteritems():
for shard_name, replicas in shards.iteritems():
for replica_name in replicas:
name = "s{}_{}_{}".format(cluster_name, shard_name, replica_name)
cluster.add_instance(name,
config_dir="configs",
macroses={"cluster": cluster_name, "shard": shard_name, "replica": replica_name},
with_zookeeper=True)
cluster.start()
yield cluster
finally:
pass
cluster.shutdown()
示例3: test_identity
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
def test_identity():
cluster_1 = ClickHouseCluster(__file__, zookeeper_config_path='configs/zookeeper_config_with_password.xml')
cluster_2 = ClickHouseCluster(__file__)
node1 = cluster_1.add_instance('node1', config_dir='configs', with_zookeeper=True)
node2 = cluster_2.add_instance('node2', config_dir='configs', with_zookeeper=True)
try:
cluster_1.start()
node1.query('''
CREATE TABLE simple (date Date, id UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple', '{replica}', date, id, 8192);
'''.format(replica=node1.name))
with pytest.raises(Exception):
cluster_2.start(destroy_dirs=False)
node2.query('''
CREATE TABLE simple (date Date, id UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple', '1', date, id, 8192);
''')
finally:
cluster_1.shutdown()
cluster_2.shutdown()
示例4: test_chroot_with_same_root
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
def test_chroot_with_same_root():
cluster_1 = ClickHouseCluster(__file__, zookeeper_config_path='configs/zookeeper_config_root_a.xml')
cluster_2 = ClickHouseCluster(__file__, zookeeper_config_path='configs/zookeeper_config_root_a.xml')
node1 = cluster_1.add_instance('node1', config_dir='configs', with_zookeeper=True)
node2 = cluster_2.add_instance('node2', config_dir='configs', with_zookeeper=True)
nodes = [node1, node2]
cluster_1.add_zookeeper_startup_command('create /root_a ""')
cluster_1.add_zookeeper_startup_command('ls / ')
try:
cluster_1.start()
try:
cluster_2.start(destroy_dirs=False)
for i, node in enumerate(nodes):
node.query('''
CREATE TABLE simple (date Date, id UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple', '{replica}', date, id, 8192);
'''.format(replica=node.name))
node.query("INSERT INTO simple VALUES ({0}, {0})".format(i))
assert node1.query('select count() from simple').strip() == '2'
assert node2.query('select count() from simple').strip() == '2'
finally:
cluster_2.shutdown()
finally:
cluster_1.shutdown()
示例5: started_cluster
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
def started_cluster():
global cluster
global instance
try:
cluster = ClickHouseCluster(__file__)
cluster.add_instance('ch1', config_dir="configs")
cluster.start()
instance = cluster.instances['ch1']
instance.query('CREATE DATABASE dictionaries ENGINE = Dictionary')
instance.query('CREATE TABLE dictionary_source (id UInt64, value UInt8) ENGINE = Memory')
#print instance.query('SELECT * FROM system.dictionaries FORMAT Vertical')
print "Started ", instance.ip_address
yield cluster
finally:
pass
cluster.shutdown()
示例6: test_chroot_with_same_root
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
def test_chroot_with_same_root():
cluster_1 = ClickHouseCluster(__file__, zookeeper_config_path='configs/zookeeper_config_root_a.xml')
cluster_2 = ClickHouseCluster(__file__, zookeeper_config_path='configs/zookeeper_config_root_a.xml')
node1 = cluster_1.add_instance('node1', config_dir='configs', with_zookeeper=True)
node2 = cluster_2.add_instance('node2', config_dir='configs', with_zookeeper=True)
nodes = [node1, node2]
def create_zk_root(zk):
zk.ensure_path('/root_a')
print(zk.get_children('/'))
cluster_1.add_zookeeper_startup_command(create_zk_root)
try:
cluster_1.start()
try:
cluster_2.start(destroy_dirs=False)
for i, node in enumerate(nodes):
node.query('''
CREATE TABLE simple (date Date, id UInt32)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple', '{replica}', date, id, 8192);
'''.format(replica=node.name))
for j in range(2): # Second insert to test deduplication
node.query("INSERT INTO simple VALUES ({0}, {0})".format(i))
time.sleep(1)
assert node1.query('select count() from simple').strip() == '2'
assert node2.query('select count() from simple').strip() == '2'
finally:
cluster_2.shutdown()
finally:
cluster_1.shutdown()
示例7: KafkaAdminClient
# 需要导入模块: from helpers.cluster import ClickHouseCluster [as 别名]
# 或者: from helpers.cluster.ClickHouseCluster import start [as 别名]
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.kafka;
''')
client = KafkaAdminClient(bootstrap_servers="localhost:9092")
received = False
while not received:
try:
offsets = client.list_consumer_group_offsets('flush')
for topic, offset in offsets.items():
if topic.topic == 'flush' and offset.offset == kafka_messages:
received = True
break
except kafka.errors.GroupCoordinatorNotAvailableError:
continue
for _ in range(20):
time.sleep(1)
result = instance.query('SELECT count() FROM test.view')
if int(result) == kafka_messages*batch_messages:
break
assert int(result) == kafka_messages*batch_messages, 'ClickHouse lost some messages: {}'.format(result)
if __name__ == '__main__':
cluster.start()
raw_input("Cluster created, press any key to destroy...")
cluster.shutdown()