本文整理汇总了Python中ccmlib.dse_cluster.DseCluster.populate方法的典型用法代码示例。如果您正苦于以下问题:Python DseCluster.populate方法的具体用法?Python DseCluster.populate怎么用?Python DseCluster.populate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ccmlib.dse_cluster.DseCluster
的用法示例。
在下文中一共展示了DseCluster.populate方法的3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: use_cluster
# 需要导入模块: from ccmlib.dse_cluster import DseCluster [as 别名]
# 或者: from ccmlib.dse_cluster.DseCluster import populate [as 别名]
def use_cluster(cluster_name, nodes, ipformat=None, start=True):
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})
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 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)
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
示例2: run
# 需要导入模块: from ccmlib.dse_cluster import DseCluster [as 别名]
# 或者: from ccmlib.dse_cluster.DseCluster import populate [as 别名]
def run(self):
try:
if self.options.dse or (not self.options.version and common.isDse(self.options.install_dir)):
cluster = DseCluster(self.path, self.name, install_dir=self.options.install_dir, version=self.options.version, dse_username=self.options.dse_username, dse_password=self.options.dse_password, dse_credentials_file=self.options.dse_credentials_file, opscenter=self.options.opscenter, verbose=True)
else:
cluster = Cluster(self.path, self.name, install_dir=self.options.install_dir, version=self.options.version, verbose=True)
except OSError as e:
import traceback
print_('Cannot create cluster: %s\n%s' % (str(e), traceback.format_exc()), file=sys.stderr)
exit(1)
if self.options.partitioner:
cluster.set_partitioner(self.options.partitioner)
if cluster.cassandra_version() >= "1.2.5":
self.options.binary_protocol = True
if self.options.binary_protocol:
cluster.set_configuration_options({'start_native_transport': True})
if cluster.cassandra_version() >= "1.2" and self.options.vnodes:
cluster.set_configuration_options({'num_tokens': 256})
if not self.options.no_switch:
common.switch_cluster(self.path, self.name)
print_('Current cluster is now: %s' % self.name)
if not (self.options.ipprefix or self.options.ipformat):
self.options.ipformat = '127.0.0.%d'
if self.options.ssl_path:
cluster.enable_ssl(self.options.ssl_path, self.options.require_client_auth)
if self.options.node_ssl_path:
cluster.enable_internode_ssl(self.options.node_ssl_path)
if self.options.datadirs:
cluster.set_datadir_count(self.options.datadirs)
if self.nodes is not None:
try:
if self.options.debug_log:
cluster.set_log_level("DEBUG")
if self.options.trace_log:
cluster.set_log_level("TRACE")
cluster.populate(self.nodes, self.options.debug, use_vnodes=self.options.vnodes, ipprefix=self.options.ipprefix, ipformat=self.options.ipformat, install_byteman=self.options.install_byteman)
if self.options.start_nodes:
profile_options = None
if self.options.profile:
profile_options = {}
if self.options.profile_options:
profile_options['options'] = self.options.profile_options
if cluster.start(verbose=self.options.debug_log, wait_for_binary_proto=self.options.binary_protocol, jvm_args=self.options.jvm_args, profile_options=profile_options, allow_root=self.options.allow_root) is None:
details = ""
if not self.options.debug_log:
details = " (you can use --debug-log for more information)"
print_("Error starting nodes, see above for details%s" % details, file=sys.stderr)
except common.ArgumentError as e:
print_(str(e), file=sys.stderr)
exit(1)
示例3: use_cluster
# 需要导入模块: from ccmlib.dse_cluster import DseCluster [as 别名]
# 或者: from ccmlib.dse_cluster.DseCluster import populate [as 别名]
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:
#.........这里部分代码省略.........