def use_cluster(cluster_name, nodes, ipformat=None, start=True, workloads=None, set_keyspace=True, ccm_options=None,
configuration_options={}, dse_options={}, use_single_interface=USE_SINGLE_INTERFACE):
dse_cluster = True if DSE_VERSION else False
if not workloads:
workloads = []
if ccm_options is None and DSE_VERSION:
ccm_options = {"version": CCM_VERSION}
elif ccm_options is None:
ccm_options = CCM_KWARGS.copy()
cassandra_version = ccm_options.get('version', CCM_VERSION)
dse_version = ccm_options.get('version', DSE_VERSION)
global CCM_CLUSTER
if USE_CASS_EXTERNAL:
if CCM_CLUSTER:
log.debug("Using external CCM cluster {0}".format(CCM_CLUSTER.name))
else:
ccm_path = os.getenv("CCM_PATH", None)
ccm_name = os.getenv("CCM_NAME", None)
if ccm_path and ccm_name:
CCM_CLUSTER = CCMClusterFactory.load(ccm_path, ccm_name)
log.debug("Using external CCM cluster {0}".format(CCM_CLUSTER.name))
else:
log.debug("Using unnamed external cluster")
if set_keyspace and start:
setup_keyspace(ipformat=ipformat, wait=False)
return
if is_current_cluster(cluster_name, nodes, workloads):
log.debug("Using existing cluster, matching topology: {0}".format(cluster_name))
else:
if CCM_CLUSTER:
log.debug("Stopping existing cluster, topology mismatch: {0}".format(CCM_CLUSTER.name))
CCM_CLUSTER.stop()
try:
CCM_CLUSTER = CCMClusterFactory.load(path, cluster_name)
log.debug("Found existing CCM cluster, {0}; clearing.".format(cluster_name))
CCM_CLUSTER.clear()
CCM_CLUSTER.set_install_dir(**ccm_options)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.set_dse_configuration_options(dse_options)
except Exception:
ex_type, ex, tb = sys.exc_info()
log.warning("{0}: {1} Backtrace: {2}".format(ex_type.__name__, ex, traceback.extract_tb(tb)))
del tb
ccm_options.update(cmd_line_args_to_dict('CCM_ARGS'))
log.debug("Creating new CCM cluster, {0}, with args {1}".format(cluster_name, ccm_options))
# Make sure we cleanup old cluster dir if it exists
cluster_path = os.path.join(path, cluster_name)
if os.path.exists(cluster_path):
shutil.rmtree(cluster_path)
if dse_cluster:
CCM_CLUSTER = DseCluster(path, cluster_name, **ccm_options)
CCM_CLUSTER.set_configuration_options({'start_native_transport': True})
CCM_CLUSTER.set_configuration_options({'batch_size_warn_threshold_in_kb': 5})
if Version(dse_version) >= Version('5.0'):
CCM_CLUSTER.set_configuration_options({'enable_user_defined_functions': True})
CCM_CLUSTER.set_configuration_options({'enable_scripted_user_defined_functions': True})
if Version(dse_version) >= Version('5.1'):
# For Inet4Address
CCM_CLUSTER.set_dse_configuration_options({
'graph': {
'gremlin_server': {
'scriptEngines': {
'gremlin-groovy': {
'config': {
'sandbox_rules': {
'whitelist_packages': ['java.net']
}
}
}
}
}
}
})
if 'spark' in workloads:
if Version(dse_version) >= Version('6.8'):
config_options = {
"resource_manager_options": {
"worker_options": {
"cores_total": 0.1,
"memory_total": "64M"
}
}
}
else:
config_options = {"initial_spark_worker_resources": 0.1}
if Version(dse_version) >= Version('6.7'):
log.debug("Disabling AlwaysON SQL for a DSE 6.7 Cluster")
config_options['alwayson_sql_options'] = {'enabled': False}
CCM_CLUSTER.set_dse_configuration_options(config_options)
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
CCM_CLUSTER.set_dse_configuration_options(dse_options)
else:
CCM_CLUSTER = CCMCluster(path, cluster_name, **ccm_options)
CCM_CLUSTER.set_configuration_options({'start_native_transport': True})
if Version(cassandra_version) >= Version('2.2'):
CCM_CLUSTER.set_configuration_options({'enable_user_defined_functions': True})
if Version(cassandra_version) >= Version('3.0'):
CCM_CLUSTER.set_configuration_options({'enable_scripted_user_defined_functions': True})
if Version(cassandra_version) >= Version('4.0-a'):
CCM_CLUSTER.set_configuration_options({
'enable_materialized_views': True,
'enable_sasi_indexes': True,
'enable_transient_replication': True,
})
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.populate(nodes, ipformat=ipformat, use_single_interface=use_single_interface)
try:
jvm_args = []
# This will enable the Mirroring query handler which will echo our custom payload k,v pairs back
if 'graph' in workloads:
jvm_args += ['-Xms1500M', '-Xmx1500M']
else:
if PROTOCOL_VERSION >= 4:
jvm_args = [" -Dcassandra.custom_query_handler_class=org.apache.cassandra.cql3.CustomPayloadMirroringQueryHandler"]
if len(workloads) > 0:
for node in CCM_CLUSTER.nodes.values():
node.set_workloads(workloads)
if start:
log.debug("Starting CCM cluster: {0}".format(cluster_name))
CCM_CLUSTER.start(jvm_args=jvm_args, wait_for_binary_proto=True)
# Added to wait for slow nodes to start up
log.debug("Cluster started waiting for binary ports")
for node in CCM_CLUSTER.nodes.values():
wait_for_node_socket(node, 300)
log.debug("Binary ports are open")
if set_keyspace:
setup_keyspace(ipformat=ipformat)
except Exception:
log.exception("Failed to start CCM cluster; removing cluster.")
if os.name == "nt":
if CCM_CLUSTER:
for node in six.itervalues(CCM_CLUSTER.nodes):
os.system("taskkill /F /PID " + str(node.pid))
else:
call(["pkill", "-9", "-f", ".ccm"])
remove_cluster()
raise
return CCM_CLUSTER
def use_cluster(cluster_name, nodes, ipformat=None, start=True, workloads=[]):
set_default_cass_ip()
global CCM_CLUSTER
if USE_CASS_EXTERNAL:
if CCM_CLUSTER:
log.debug("Using external CCM cluster {0}".format(
CCM_CLUSTER.name))
else:
log.debug("Using unnamed external cluster")
setup_keyspace(ipformat=ipformat, wait=False)
return
if is_current_cluster(cluster_name, nodes):
log.debug("Using existing cluster, matching topology: {0}".format(
cluster_name))
else:
if CCM_CLUSTER:
log.debug(
"Stopping existing cluster, topology mismatch: {0}".format(
CCM_CLUSTER.name))
CCM_CLUSTER.stop()
try:
CCM_CLUSTER = CCMClusterFactory.load(path, cluster_name)
log.debug("Found existing CCM cluster, {0}; clearing.".format(
cluster_name))
CCM_CLUSTER.clear()
CCM_CLUSTER.set_install_dir(**CCM_KWARGS)
except Exception:
ex_type, ex, tb = sys.exc_info()
log.warn("{0}: {1} Backtrace: {2}".format(
ex_type.__name__, ex, traceback.extract_tb(tb)))
del tb
log.debug("Creating new CCM cluster, {0}, with args {1}".format(
cluster_name, CCM_KWARGS))
if DSE_VERSION:
log.error("creating dse cluster")
CCM_CLUSTER = DseCluster(path, cluster_name, **CCM_KWARGS)
else:
CCM_CLUSTER = CCMCluster(path, cluster_name, **CCM_KWARGS)
CCM_CLUSTER.set_configuration_options(
{'start_native_transport': True})
if CASSANDRA_VERSION >= '2.2':
CCM_CLUSTER.set_configuration_options(
{'enable_user_defined_functions': True})
if CASSANDRA_VERSION >= '3.0':
CCM_CLUSTER.set_configuration_options(
{'enable_scripted_user_defined_functions': True})
if 'spark' in workloads:
config_options = {"initial_spark_worker_resources": 0.1}
CCM_CLUSTER.set_dse_configuration_options(config_options)
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
try:
jvm_args = []
# This will enable the Mirroring query handler which will echo our custom payload k,v pairs back
if 'graph' not in workloads:
if PROTOCOL_VERSION >= 4:
jvm_args = [
" -Dcassandra.custom_query_handler_class=org.apache.cassandra.cql3.CustomPayloadMirroringQueryHandler"
]
if (len(workloads) > 0):
for node in CCM_CLUSTER.nodes.values():
node.set_workloads(workloads)
if start:
log.debug("Starting CCM cluster: {0}".format(cluster_name))
CCM_CLUSTER.start(wait_for_binary_proto=True,
wait_other_notice=True,
jvm_args=jvm_args)
# Added to wait for slow nodes to start up
for node in CCM_CLUSTER.nodes.values():
wait_for_node_socket(node, 120)
setup_keyspace(ipformat=ipformat)
except Exception:
log.exception("Failed to start CCM cluster; removing cluster.")
if os.name == "nt":
if CCM_CLUSTER:
for node in CCM_CLUSTER.nodes.itervalues():
os.system("taskkill /F /PID " + str(node.pid))
else:
call(["pkill", "-9", "-f", ".ccm"])
remove_cluster()
raise
def use_cluster(cluster_name,
nodes,
ipformat=None,
start=True,
workloads=[],
set_keyspace=True,
ccm_options=None,
configuration_options={},
dse_cluster=False,
dse_options={},
dse_version=None):
if (dse_version and not dse_cluster):
raise ValueError(
'specified dse_version {} but not dse_cluster'.format(dse_version))
set_default_cass_ip()
if ccm_options is None and dse_cluster:
ccm_options = {"version": dse_version or DSE_VERSION}
elif ccm_options is None:
ccm_options = CCM_KWARGS.copy()
cassandra_version = ccm_options.get('version', CCM_VERSION)
dse_version = ccm_options.get('version', DSE_VERSION)
if 'version' in ccm_options:
ccm_options['version'] = ccm_options['version'].base_version
global CCM_CLUSTER
if USE_CASS_EXTERNAL:
if CCM_CLUSTER:
log.debug("Using external CCM cluster {0}".format(
CCM_CLUSTER.name))
else:
log.debug("Using unnamed external cluster")
if set_keyspace and start:
setup_keyspace(ipformat=ipformat, wait=False)
return
if is_current_cluster(cluster_name, nodes):
log.debug("Using existing cluster, matching topology: {0}".format(
cluster_name))
else:
if CCM_CLUSTER:
log.debug(
"Stopping existing cluster, topology mismatch: {0}".format(
CCM_CLUSTER.name))
CCM_CLUSTER.stop()
try:
CCM_CLUSTER = CCMClusterFactory.load(path, cluster_name)
log.debug("Found existing CCM cluster, {0}; clearing.".format(
cluster_name))
CCM_CLUSTER.clear()
CCM_CLUSTER.set_install_dir(**ccm_options)
CCM_CLUSTER.set_configuration_options(configuration_options)
except Exception:
ex_type, ex, tb = sys.exc_info()
log.warning("{0}: {1} Backtrace: {2}".format(
ex_type.__name__, ex, traceback.extract_tb(tb)))
del tb
ccm_options.update(cmd_line_args_to_dict('CCM_ARGS'))
log.debug("Creating new CCM cluster, {0}, with args {1}".format(
cluster_name, ccm_options))
if dse_cluster:
CCM_CLUSTER = DseCluster(path, cluster_name, **ccm_options)
CCM_CLUSTER.set_configuration_options(
{'start_native_transport': True})
CCM_CLUSTER.set_configuration_options(
{'batch_size_warn_threshold_in_kb': 5})
if dse_version >= Version('5.0'):
CCM_CLUSTER.set_configuration_options(
{'enable_user_defined_functions': True})
CCM_CLUSTER.set_configuration_options(
{'enable_scripted_user_defined_functions': True})
if 'spark' in workloads:
config_options = {"initial_spark_worker_resources": 0.1}
CCM_CLUSTER.set_dse_configuration_options(config_options)
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
CCM_CLUSTER.set_dse_configuration_options(dse_options)
else:
CCM_CLUSTER = CCMCluster(path, cluster_name, **ccm_options)
CCM_CLUSTER.set_configuration_options(
{'start_native_transport': True})
if cassandra_version >= Version('2.2'):
CCM_CLUSTER.set_configuration_options(
{'enable_user_defined_functions': True})
if cassandra_version >= Version('3.0'):
CCM_CLUSTER.set_configuration_options(
{'enable_scripted_user_defined_functions': True})
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
try:
jvm_args = []
# This will enable the Mirroring query handler which will echo our custom payload k,v pairs back
if 'graph' not in workloads:
if PROTOCOL_VERSION >= 4:
jvm_args = [
" -Dcassandra.custom_query_handler_class=org.apache.cassandra.cql3.CustomPayloadMirroringQueryHandler"
]
if (len(workloads) > 0):
for node in CCM_CLUSTER.nodes.values():
node.set_workloads(workloads)
if start:
log.debug("Starting CCM cluster: {0}".format(cluster_name))
CCM_CLUSTER.start(wait_for_binary_proto=True,
wait_other_notice=True,
jvm_args=jvm_args)
# Added to wait for slow nodes to start up
for node in CCM_CLUSTER.nodes.values():
wait_for_node_socket(node, 120)
if set_keyspace:
setup_keyspace(ipformat=ipformat)
except Exception:
log.exception("Failed to start CCM cluster; removing cluster.")
if os.name == "nt":
if CCM_CLUSTER:
for node in six.itervalues(CCM_CLUSTER.nodes):
os.system("taskkill /F /PID " + str(node.pid))
else:
call(["pkill", "-9", "-f", ".ccm"])
remove_cluster()
raise
return CCM_CLUSTER
def use_cluster(cluster_name, nodes, ipformat=None, start=True, workloads=[]):
global CCM_CLUSTER
if USE_CASS_EXTERNAL:
if CCM_CLUSTER:
log.debug("Using external CCM cluster {0}".format(CCM_CLUSTER.name))
else:
log.debug("Using unnamed external cluster")
return
if is_current_cluster(cluster_name, nodes):
log.debug("Using existing cluster, matching topology: {0}".format(cluster_name))
else:
if CCM_CLUSTER:
log.debug("Stopping existing cluster, topology mismatch: {0}".format(CCM_CLUSTER.name))
CCM_CLUSTER.stop()
try:
CCM_CLUSTER = CCMClusterFactory.load(path, cluster_name)
log.debug("Found existing CCM cluster, {0}; clearing.".format(cluster_name))
CCM_CLUSTER.clear()
CCM_CLUSTER.set_install_dir(**CCM_KWARGS)
except Exception:
ex_type, ex, tb = sys.exc_info()
log.warn("{0}: {1} Backtrace: {2}".format(ex_type.__name__, ex, traceback.extract_tb(tb)))
del tb
log.debug("Creating new CCM cluster, {0}, with args {1}".format(cluster_name, CCM_KWARGS))
if DSE_VERSION:
log.error("creating dse cluster")
CCM_CLUSTER = DseCluster(path, cluster_name, **CCM_KWARGS)
else:
CCM_CLUSTER = CCMCluster(path, cluster_name, **CCM_KWARGS)
CCM_CLUSTER.set_configuration_options({'start_native_transport': True})
if CASSANDRA_VERSION >= '2.2':
CCM_CLUSTER.set_configuration_options({'enable_user_defined_functions': True})
if CASSANDRA_VERSION >= '3.0':
CCM_CLUSTER.set_configuration_options({'enable_scripted_user_defined_functions': True})
if 'spark' in workloads:
config_options = {"initial_spark_worker_resources": 0.1}
CCM_CLUSTER.set_dse_configuration_options(config_options)
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
try:
jvm_args = []
# This will enable the Mirroring query handler which will echo our custom payload k,v pairs back
if PROTOCOL_VERSION >= 4:
jvm_args = [" -Dcassandra.custom_query_handler_class=org.apache.cassandra.cql3.CustomPayloadMirroringQueryHandler"]
if(len(workloads) > 0):
for node in CCM_CLUSTER.nodes.values():
node.set_workloads(workloads)
if start:
log.debug("Starting CCM cluster: {0}".format(cluster_name))
CCM_CLUSTER.start(wait_for_binary_proto=True, wait_other_notice=True, jvm_args=jvm_args)
# Added to wait for slow nodes to start up
for node in CCM_CLUSTER.nodes.values():
wait_for_node_socket(node, 120)
setup_keyspace(ipformat=ipformat)
except Exception:
log.exception("Failed to start CCM cluster; removing cluster.")
if os.name == "nt":
if CCM_CLUSTER:
for node in CCM_CLUSTER.nodes.itervalues():
os.system("taskkill /F /PID " + str(node.pid))
else:
call(["pkill", "-9", "-f", ".ccm"])
remove_cluster()
raise
def use_cluster(cluster_name, nodes, ipformat=None, start=True, workloads=[], set_keyspace=True, ccm_options=None,
configuration_options={}, dse_cluster=False, dse_options={},
dse_version=None):
if (dse_version and not dse_cluster):
raise ValueError('specified dse_version {} but not dse_cluster'.format(dse_version))
set_default_cass_ip()
if ccm_options is None and dse_cluster:
ccm_options = {"version": dse_version or DSE_VERSION}
elif ccm_options is None:
ccm_options = CCM_KWARGS.copy()
cassandra_version = ccm_options.get('version', CCM_VERSION)
dse_version = ccm_options.get('version', DSE_VERSION)
if 'version' in ccm_options:
ccm_options['version'] = ccm_options['version'].base_version
global CCM_CLUSTER
if USE_CASS_EXTERNAL:
if CCM_CLUSTER:
log.debug("Using external CCM cluster {0}".format(CCM_CLUSTER.name))
else:
log.debug("Using unnamed external cluster")
if set_keyspace and start:
setup_keyspace(ipformat=ipformat, wait=False)
return
if is_current_cluster(cluster_name, nodes):
log.debug("Using existing cluster, matching topology: {0}".format(cluster_name))
else:
if CCM_CLUSTER:
log.debug("Stopping existing cluster, topology mismatch: {0}".format(CCM_CLUSTER.name))
CCM_CLUSTER.stop()
try:
CCM_CLUSTER = CCMClusterFactory.load(path, cluster_name)
log.debug("Found existing CCM cluster, {0}; clearing.".format(cluster_name))
CCM_CLUSTER.clear()
CCM_CLUSTER.set_install_dir(**ccm_options)
CCM_CLUSTER.set_configuration_options(configuration_options)
except Exception:
ex_type, ex, tb = sys.exc_info()
log.warning("{0}: {1} Backtrace: {2}".format(ex_type.__name__, ex, traceback.extract_tb(tb)))
del tb
ccm_options.update(cmd_line_args_to_dict('CCM_ARGS'))
log.debug("Creating new CCM cluster, {0}, with args {1}".format(cluster_name, ccm_options))
# Make sure we cleanup old cluster dir if it exists
cluster_path = os.path.join(path, cluster_name)
if os.path.exists(cluster_path):
shutil.rmtree(cluster_path)
if dse_cluster:
CCM_CLUSTER = DseCluster(path, cluster_name, **ccm_options)
CCM_CLUSTER.set_configuration_options({'start_native_transport': True})
CCM_CLUSTER.set_configuration_options({'batch_size_warn_threshold_in_kb': 5})
if dse_version >= Version('5.0'):
CCM_CLUSTER.set_configuration_options({'enable_user_defined_functions': True})
CCM_CLUSTER.set_configuration_options({'enable_scripted_user_defined_functions': True})
if 'spark' in workloads:
config_options = {"initial_spark_worker_resources": 0.1}
CCM_CLUSTER.set_dse_configuration_options(config_options)
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
CCM_CLUSTER.set_dse_configuration_options(dse_options)
else:
CCM_CLUSTER = CCMCluster(path, cluster_name, **ccm_options)
CCM_CLUSTER.set_configuration_options({'start_native_transport': True})
if cassandra_version >= Version('2.2'):
CCM_CLUSTER.set_configuration_options({'enable_user_defined_functions': True})
if cassandra_version >= Version('3.0'):
CCM_CLUSTER.set_configuration_options({'enable_scripted_user_defined_functions': True})
common.switch_cluster(path, cluster_name)
CCM_CLUSTER.set_configuration_options(configuration_options)
CCM_CLUSTER.populate(nodes, ipformat=ipformat)
try:
jvm_args = []
# This will enable the Mirroring query handler which will echo our custom payload k,v pairs back
if 'graph' not in workloads:
if PROTOCOL_VERSION >= 4:
jvm_args = [" -Dcassandra.custom_query_handler_class=org.apache.cassandra.cql3.CustomPayloadMirroringQueryHandler"]
if(len(workloads) > 0):
for node in CCM_CLUSTER.nodes.values():
node.set_workloads(workloads)
if start:
log.debug("Starting CCM cluster: {0}".format(cluster_name))
CCM_CLUSTER.start(wait_for_binary_proto=True, wait_other_notice=True, jvm_args=jvm_args)
# Added to wait for slow nodes to start up
for node in CCM_CLUSTER.nodes.values():
wait_for_node_socket(node, 120)
if set_keyspace:
setup_keyspace(ipformat=ipformat)
except Exception:
log.exception("Failed to start CCM cluster; removing cluster.")
if os.name == "nt":
if CCM_CLUSTER:
for node in six.itervalues(CCM_CLUSTER.nodes):
os.system("taskkill /F /PID " + str(node.pid))
else:
call(["pkill", "-9", "-f", ".ccm"])
remove_cluster()
raise
return CCM_CLUSTER
