def start(self):
zkOper = Common_ZkOpers()
existCluster = zkOper.existCluster()
if not existCluster:
raise UserVisiableException("Nginx componentCluster does't exist")
total_nginx_nodes = zkOper.retrieve_nginx_node_list()
started_nodes = zkOper.retrieve_started_nodes()
if len(total_nginx_nodes) == len(started_nodes):
raise UserVisiableException(
"all nginx nodes have started. No need to start them.")
logging.info("all nginx nodes: %s" % (total_nginx_nodes))
to_start_nginx_nodes = list(
set(total_nginx_nodes) - set(started_nodes))
logging.info("nginx needed to start: " + str(to_start_nginx_nodes))
node_infos = []
for node in to_start_nginx_nodes:
info = zkOper.retrieve_nginx_node_info(node)
node_infos.append(info)
self.baseOpers(node_infos, OperType.start)
result_dict = {
'message': 'cluster start processing, please wait for a moment!'
}
return result_dict
def create(self, params):
if params == {} or params is None:
raise UserVisiableException("please set the componentNode info!")
dataNodeInternalPort = params.get('dataNodeInternalPort')
if dataNodeInternalPort is not None:
raise UserVisiableException(
"no need to set the dataNodeInternalPort param!")
zkOper = Common_ZkOpers()
local_uuid = getClusterUUID()
existCluster = zkOper.existCluster(local_uuid)
if not existCluster:
raise UserVisiableException(
"sync componentCluster info error! please check if sync uuid is right!"
)
params.setdefault("dataNodeInternalPort", options.port)
dataNodeExternalPort = params.get('dataNodeExternalPort')
if dataNodeExternalPort is None or '' == dataNodeExternalPort:
params.setdefault("dataNodeExternalPort", options.port)
self.confOpers.setValue(options.data_node_property, params)
dataNodeProprs = self.confOpers.getValue(options.data_node_property)
zkOper.writeDataNodeInfo(local_uuid, dataNodeProprs)
result = {}
result.setdefault(
"message",
"Configuration on this componentNode has been done successfully")
return result
def sync(self):
zk_address, zk_port = get_zk_address()
if not (zk_address and zk_port):
logging.info('admin zookeeper first!')
return
zkOper = Common_ZkOpers()
existed = zkOper.existCluster()
if existed:
self._sync_server_cluster()
self._sync_data_node()
else:
logging.info(
"cluster does not exist, may be the first time to sync in a new server cluster"
)
def syncExistedCluster(self, params):
if params == {}:
error_message = "please fill the cluster uuid!"
raise UserVisiableException(error_message)
clusterUUID = params['clusterUUID']
zkOper = Common_ZkOpers()
existCluster = zkOper.existCluster(clusterUUID)
if not existCluster:
error_message = "Nginx componentCluster does't exist(cluster id:%s), \
please specify the right cluster uuid!" % (clusterUUID)
raise UserVisiableException(error_message)
data, _ = zkOper.retrieveClusterProp(clusterUUID)
logging.info("data in zk %s" % (data))
json_str_data = data.replace("'", "\"")
dict_data = json.loads(json_str_data)
self.confOpers.setValue(options.cluster_property, dict_data)
def create(self, params):
if params == {} or params is None:
raise UserVisiableException("please set the componentNode info!")
dataNodeInternalPort = params.get('dataNodeInternalPort')
if dataNodeInternalPort:
raise UserVisiableException(
"no need to set the dataNodeInternalPort param!")
zkOper = Common_ZkOpers()
existCluster = zkOper.existCluster()
if existCluster:
raise UserVisiableException(
"server has belong to a componentCluster,should be not create new componentCluster!"
)
clusterUUID = str(uuid.uuid1())
params.setdefault("clusterUUID", clusterUUID)
params.setdefault("dataNodeInternalPort", options.port)
dataNodeExternalPort = params.get('dataNodeExternalPort')
if dataNodeExternalPort is None or '' == dataNodeExternalPort:
params.setdefault("dataNodeExternalPort", options.port)
self.confOpers.setValue(options.cluster_property, params)
self.confOpers.setValue(options.data_node_property, params)
clusterProps = self.confOpers.getValue(options.cluster_property)
dataNodeProprs = self.confOpers.getValue(options.data_node_property)
zkOper.writeClusterInfo(clusterUUID, clusterProps)
zkOper.writeDataNodeInfo(clusterUUID, dataNodeProprs)
return clusterUUID