Files
deb-python-cassandra-driver/tests/integration/long/utils.py
Tyler Hobbs 9d4c7842c1 Merge branch '2.0' into py3k
Conflicts:
	cassandra/cluster.py
	cassandra/connection.py
	cassandra/io/asyncorereactor.py
	cassandra/io/libevreactor.py
	setup.py
	tests/integration/long/test_large_data.py
2014-04-03 17:45:53 -05:00

110 lines
3.2 KiB
Python

from __future__ import print_function
import logging
import time
from collections import defaultdict
from cassandra.query import named_tuple_factory
from tests.integration import get_node
log = logging.getLogger(__name__)
class CoordinatorStats():
def __init__(self):
self.coordinator_counts = defaultdict(int)
def add_coordinator(self, future):
coordinator = future._current_host.address
self.coordinator_counts[coordinator] += 1
if future._errors:
log.error('future._errors: %s', future._errors)
future.result()
def reset_counts(self):
self.coordinator_counts = defaultdict(int)
def assert_query_count_equals(self, testcase, node, expected):
ip = '127.0.0.%d' % node
if self.coordinator_counts[ip] != expected:
testcase.fail('Expected %d queries to %s, but got %d. Query counts: %s' % (
expected, ip, self.coordinator_counts[ip], dict(self.coordinator_counts)))
def create_schema(session, keyspace, simple_strategy=True,
replication_factor=1, replication_strategy=None):
row_factory = session.row_factory
session.row_factory = named_tuple_factory
results = session.execute(
'SELECT keyspace_name FROM system.schema_keyspaces')
existing_keyspaces = [row[0] for row in results]
if keyspace in existing_keyspaces:
session.execute('DROP KEYSPACE %s' % keyspace, timeout=20)
if simple_strategy:
ddl = "CREATE KEYSPACE %s WITH replication" \
" = {'class': 'SimpleStrategy', 'replication_factor': '%s'}"
session.execute(ddl % (keyspace, replication_factor), timeout=10)
else:
if not replication_strategy:
raise Exception('replication_strategy is not set')
ddl = "CREATE KEYSPACE %s" \
" WITH replication = { 'class' : 'NetworkTopologyStrategy', %s }"
session.execute(ddl % (keyspace, str(replication_strategy)[1:-1]), timeout=10)
ddl = 'CREATE TABLE %s.cf (k int PRIMARY KEY, i int)'
session.execute(ddl % keyspace, timeout=10)
session.execute('USE %s' % keyspace)
session.row_factory = row_factory
def start(node):
get_node(node).start()
def stop(node):
get_node(node).stop()
def force_stop(node):
log.debug("Forcing stop of node %s", node)
get_node(node).stop(wait=False, gently=False)
log.debug("Node %s was stopped", node)
def ring(node):
print('From node%s:' % node)
get_node(node).nodetool('ring')
def wait_for_up(cluster, node, wait=True):
while True:
host = cluster.metadata.get_host('127.0.0.%s' % node)
time.sleep(0.1)
if host and host.is_up:
# BUG: shouldn't have to, but we do
if wait:
time.sleep(5)
return
def wait_for_down(cluster, node, wait=True):
log.debug("Waiting for node %s to be down", node)
while True:
host = cluster.metadata.get_host('127.0.0.%s' % node)
time.sleep(0.1)
if not host or not host.is_up:
# BUG: shouldn't have to, but we do
if wait:
log.debug("Sleeping 5s until host is up")
time.sleep(5)
log.debug("Done waiting for node %s to be down", node)
return