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jmx_test.py
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jmx_test.py
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import os
import time
import ccmlib.common
import parse
from ccmlib.node import ToolError
from dtest import Tester, debug
from tools.decorators import known_failure, since
from tools.jmxutils import (JolokiaAgent, enable_jmx_ssl, make_mbean,
remove_perf_disable_shared_mem)
from tools.misc import generate_ssl_stores
class TestJMX(Tester):
@known_failure(failure_source='test',
jira_url='https://issues.apache.org/jira/browse/CASSANDRA-12467',
flaky=True,
notes='windows')
def netstats_test(self):
"""
Check functioning of nodetool netstats, especially with restarts.
@jira_ticket CASSANDRA-8122, CASSANDRA-6577
"""
cluster = self.cluster
cluster.populate(3).start(wait_for_binary_proto=True)
node1, node2, node3 = cluster.nodelist()
node1.stress(['write', 'n=500K', 'no-warmup', '-schema', 'replication(factor=3)'])
node1.flush()
node1.stop(gently=False)
with self.assertRaisesRegexp(ToolError, "ConnectException: 'Connection refused'."):
node1.nodetool('netstats')
# don't wait; we're testing for when nodetool is called on a node mid-startup
node1.start(wait_for_binary_proto=False)
# until the binary interface is available, try `nodetool netstats`
binary_interface = node1.network_interfaces['binary']
time_out_at = time.time() + 30
running = False
while (not running and time.time() <= time_out_at):
running = ccmlib.common.check_socket_listening(binary_interface, timeout=0.5)
try:
node1.nodetool('netstats')
except Exception as e:
self.assertNotIn('java.lang.reflect.UndeclaredThrowableException', str(e),
'Netstats failed with UndeclaredThrowableException (CASSANDRA-8122)')
if not isinstance(e, ToolError):
raise
else:
self.assertIn("ConnectException: 'Connection refused'.", str(e))
self.assertTrue(running, msg='node1 never started')
def table_metric_mbeans_test(self):
"""
Test some basic table metric mbeans with simple writes.
"""
cluster = self.cluster
cluster.populate(3)
node1, node2, node3 = cluster.nodelist()
remove_perf_disable_shared_mem(node1)
cluster.start(wait_for_binary_proto=True)
version = cluster.version()
node1.stress(['write', 'n=10K', 'no-warmup', '-schema', 'replication(factor=3)'])
typeName = "ColumnFamily" if version <= '2.2.X' else 'Table'
debug('Version {} typeName {}'.format(version, typeName))
# TODO the keyspace and table name are capitalized in 2.0
memtable_size = make_mbean('metrics', type=typeName, keyspace='keyspace1', scope='standard1', name='AllMemtablesHeapSize')
disk_size = make_mbean('metrics', type=typeName, keyspace='keyspace1', scope='standard1', name='LiveDiskSpaceUsed')
sstable_count = make_mbean('metrics', type=typeName, keyspace='keyspace1', scope='standard1', name='LiveSSTableCount')
with JolokiaAgent(node1) as jmx:
mem_size = jmx.read_attribute(memtable_size, "Value")
self.assertGreater(int(mem_size), 10000)
on_disk_size = jmx.read_attribute(disk_size, "Count")
self.assertEquals(int(on_disk_size), 0)
node1.flush()
on_disk_size = jmx.read_attribute(disk_size, "Count")
self.assertGreater(int(on_disk_size), 10000)
sstables = jmx.read_attribute(sstable_count, "Value")
self.assertGreaterEqual(int(sstables), 1)
def test_compactionstats(self):
"""
@jira_ticket CASSANDRA-10504
@jira_ticket CASSANDRA-10427
Test that jmx MBean used by nodetool compactionstats
properly updates the progress of a compaction
"""
cluster = self.cluster
cluster.populate(1)
node = cluster.nodelist()[0]
remove_perf_disable_shared_mem(node)
cluster.start(wait_for_binary_proto=True)
# Run a quick stress command to create the keyspace and table
node.stress(['write', 'n=1', 'no-warmup'])
# Disable compaction on the table
node.nodetool('disableautocompaction keyspace1 standard1')
node.nodetool('setcompactionthroughput 1')
node.stress(['write', 'n=150K', 'no-warmup'])
node.flush()
# Run a major compaction. This will be the compaction whose
# progress we track.
node.nodetool_process('compact')
# We need to sleep here to give compaction time to start
# Why not do something smarter? Because if the bug regresses,
# we can't rely on jmx to tell us that compaction started.
time.sleep(5)
compaction_manager = make_mbean('db', type='CompactionManager')
with JolokiaAgent(node) as jmx:
progress_string = jmx.read_attribute(compaction_manager, 'CompactionSummary')[0]
# Pause in between reads
# to allow compaction to move forward
time.sleep(2)
updated_progress_string = jmx.read_attribute(compaction_manager, 'CompactionSummary')[0]
var = 'Compaction@{uuid}(keyspace1, standard1, {progress}/{total})bytes'
progress = int(parse.search(var, progress_string).named['progress'])
updated_progress = int(parse.search(var, updated_progress_string).named['progress'])
debug(progress_string)
debug(updated_progress_string)
# We want to make sure that the progress is increasing,
# and that values other than zero are displayed.
self.assertGreater(updated_progress, progress)
self.assertGreaterEqual(progress, 0)
self.assertGreater(updated_progress, 0)
# Block until the major compaction is complete
# Otherwise nodetool will throw an exception
# Give a timeout, in case compaction is broken
# and never ends.
start = time.time()
max_query_timeout = 600
debug("Waiting for compaction to finish:")
while (len(jmx.read_attribute(compaction_manager, 'CompactionSummary')) > 0) and (time.time() - start < max_query_timeout):
debug(jmx.read_attribute(compaction_manager, 'CompactionSummary'))
time.sleep(2)
@known_failure(failure_source='test',
jira_url='https://issues.apache.org/jira/browse/CASSANDRA-11241',
flaky=False,
notes='windows')
@since('2.2')
def phi_test(self):
"""
Check functioning of nodetool failuredetector.
@jira_ticket CASSANDRA-9526
"""
cluster = self.cluster
cluster.populate(3).start(wait_for_binary_proto=True)
node1, node2, node3 = cluster.nodelist()
phivalues = node1.nodetool("failuredetector").stdout.splitlines()
endpoint1Values = phivalues[1].split()
endpoint2Values = phivalues[2].split()
endpoint1 = endpoint1Values[0][1:-1]
endpoint2 = endpoint2Values[0][1:-1]
self.assertItemsEqual([endpoint1, endpoint2], ['127.0.0.2', '127.0.0.3'])
endpoint1Phi = float(endpoint1Values[1])
endpoint2Phi = float(endpoint2Values[1])
max_phi = 2.0
self.assertGreater(endpoint1Phi, 0.0)
self.assertLess(endpoint1Phi, max_phi)
self.assertGreater(endpoint2Phi, 0.0)
self.assertLess(endpoint2Phi, max_phi)
@since('3.9')
class TestJMXSSL(Tester):
keystore_password = 'cassandra'
truststore_password = 'cassandra'
def truststore(self):
return os.path.join(self.test_path, 'truststore.jks')
def keystore(self):
return os.path.join(self.test_path, 'keystore.jks')
def jmx_connection_test(self):
"""
Check connecting with a JMX client (via nodetool) where SSL is enabled for JMX
@jira_ticket CASSANDRA-12109
"""
cluster = self._populateCluster(require_client_auth=False)
node = cluster.nodelist()[0]
cluster.start()
self.assert_insecure_connection_rejected(node)
node.nodetool("info --ssl -Djavax.net.ssl.trustStore={ts} -Djavax.net.ssl.trustStorePassword={ts_pwd}"
.format(ts=self.truststore(), ts_pwd=self.truststore_password))
def require_client_auth_test(self):
"""
Check connecting with a JMX client (via nodetool) where SSL is enabled and
client certificate auth is also configured
@jira_ticket CASSANDRA-12109
"""
cluster = self._populateCluster(require_client_auth=True)
node = cluster.nodelist()[0]
cluster.start()
self.assert_insecure_connection_rejected(node)
# specifying only the truststore containing the server cert should fail
with self.assertRaisesRegexp(ToolError, ".*SSLHandshakeException.*"):
node.nodetool("info --ssl -Djavax.net.ssl.trustStore={ts} -Djavax.net.ssl.trustStorePassword={ts_pwd}"
.format(ts=self.truststore(), ts_pwd=self.truststore_password))
# when both truststore and a keystore containing the client key are supplied, connection should succeed
node.nodetool("info --ssl -Djavax.net.ssl.trustStore={ts} -Djavax.net.ssl.trustStorePassword={ts_pwd} -Djavax.net.ssl.keyStore={ks} -Djavax.net.ssl.keyStorePassword={ks_pwd}"
.format(ts=self.truststore(), ts_pwd=self.truststore_password, ks=self.keystore(), ks_pwd=self.keystore_password))
def assert_insecure_connection_rejected(self, node):
"""
Attempts to connect to JMX (via nodetool) without any client side ssl parameters, expecting failure
"""
with self.assertRaises(ToolError):
node.nodetool("info")
def _populateCluster(self, require_client_auth=False):
cluster = self.cluster
cluster.populate(1)
generate_ssl_stores(self.test_path)
if require_client_auth:
ts = self.truststore()
ts_pwd = self.truststore_password
else:
ts = None
ts_pwd = None
enable_jmx_ssl(cluster.nodelist()[0],
require_client_auth=require_client_auth,
keystore=self.keystore(),
keystore_password=self.keystore_password,
truststore=ts,
truststore_password=ts_pwd)
return cluster