567655c6b0
Conflicts: cassandra/cluster.py cassandra/io/asyncorereactor.py cassandra/io/libevreactor.py tests/integration/__init__.py tests/integration/standard/test_cluster.py tests/integration/standard/test_connection.py tests/unit/test_connection.py
163 lines
4.4 KiB
Python
163 lines
4.4 KiB
Python
try:
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import unittest2 as unittest
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except ImportError:
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import unittest # noqa
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import logging
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log = logging.getLogger(__name__)
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import os
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from threading import Event
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from cassandra.cluster import Cluster
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try:
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from ccmlib.cluster import Cluster as CCMCluster
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from ccmlib import common
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except ImportError as e:
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raise unittest.SkipTest('ccm is a dependency for integration tests:', e)
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CLUSTER_NAME = 'test_cluster'
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CCM_CLUSTER = None
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CASSANDRA_VERSION = os.getenv('CASSANDRA_VERSION', '2.0.6')
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if CASSANDRA_VERSION.startswith('1'):
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DEFAULT_PROTOCOL_VERSION = 1
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else:
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DEFAULT_PROTOCOL_VERSION = 2
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PROTOCOL_VERSION = int(os.getenv('PROTOCOL_VERSION', DEFAULT_PROTOCOL_VERSION))
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path = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'ccm')
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if not os.path.exists(path):
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os.mkdir(path)
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cass_version = None
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cql_version = None
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def get_server_versions():
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"""
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Probe system.local table to determine Cassandra and CQL version.
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Returns a tuple of (cassandra_version, cql_version).
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"""
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global cass_version, cql_version
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if cass_version is not None:
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return (cass_version, cql_version)
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c = Cluster(protocol_version=PROTOCOL_VERSION)
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s = c.connect()
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s.set_keyspace('system')
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row = s.execute('SELECT cql_version, release_version FROM local')[0]
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cass_version = _tuple_version(row.release_version)
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cql_version = _tuple_version(row.cql_version)
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c.shutdown()
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return (cass_version, cql_version)
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def _tuple_version(version_string):
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if '-' in version_string:
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version_string = version_string[:version_string.index('-')]
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return tuple([int(p) for p in version_string.split('.')])
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def get_cluster():
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return CCM_CLUSTER
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def get_node(node_id):
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return CCM_CLUSTER.nodes['node%s' % node_id]
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def setup_package():
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print 'Using Cassandra version: %s' % CASSANDRA_VERSION
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try:
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try:
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cluster = CCMCluster.load(path, CLUSTER_NAME)
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log.debug("Found existing ccm test cluster, clearing")
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cluster.clear()
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cluster.set_cassandra_dir(cassandra_version=CASSANDRA_VERSION)
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except Exception:
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log.debug("Creating new ccm test cluster with version %s", CASSANDRA_VERSION)
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cluster = CCMCluster(path, CLUSTER_NAME, cassandra_version=CASSANDRA_VERSION)
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cluster.set_configuration_options({'start_native_transport': True})
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common.switch_cluster(path, CLUSTER_NAME)
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cluster.populate(3)
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log.debug("Starting ccm test cluster")
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cluster.start(wait_for_binary_proto=True)
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except Exception:
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log.exception("Failed to start ccm cluster:")
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raise
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global CCM_CLUSTER
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CCM_CLUSTER = cluster
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setup_test_keyspace()
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def setup_test_keyspace():
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cluster = Cluster(protocol_version=PROTOCOL_VERSION)
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session = cluster.connect()
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try:
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results = session.execute("SELECT keyspace_name FROM system.schema_keyspaces")
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existing_keyspaces = [row[0] for row in results]
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for ksname in ('test1rf', 'test2rf', 'test3rf'):
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if ksname in existing_keyspaces:
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session.execute("DROP KEYSPACE %s" % ksname)
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ddl = '''
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CREATE KEYSPACE test3rf
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WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '3'}'''
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session.execute(ddl)
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ddl = '''
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CREATE KEYSPACE test2rf
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WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '2'}'''
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session.execute(ddl)
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ddl = '''
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CREATE KEYSPACE test1rf
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WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}'''
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session.execute(ddl)
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ddl = '''
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CREATE TABLE test3rf.test (
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k int PRIMARY KEY,
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v int )'''
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session.execute(ddl)
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finally:
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cluster.shutdown()
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def teardown_package():
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if CCM_CLUSTER:
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try:
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CCM_CLUSTER.clear()
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except Exception:
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log.exception("Failed to clear cluster")
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class UpDownWaiter(object):
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def __init__(self, host):
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self.down_event = Event()
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self.up_event = Event()
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host.monitor.register(self)
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def on_up(self, host):
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self.up_event.set()
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def on_down(self, host):
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self.down_event.set()
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def wait_for_down(self):
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self.down_event.wait()
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def wait_for_up(self):
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self.up_event.wait()
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