def check(self, data_node_info_list):
zkOper = Scheduler_ZkOpers()
started_nodes_list = zkOper.retrieve_started_nodes()
error_record = {}
ip = []
for data_node_ip in started_nodes_list:
ip.append(data_node_ip)
error_record.setdefault("online_ip", ip)
total_count = len(data_node_info_list)
success_count = len(started_nodes_list)
failed_count = total_count - success_count
monitor_type = "node"
monitor_key = "started"
alarm_level = self.retrieve_alarm_level(total_count, success_count,
failed_count)
super(Check_Node_Active,
self).write_status(total_count, success_count, failed_count,
alarm_level, error_record, monitor_type,
monitor_key)
super(Check_Node_Active,
self).write_status_to_es(total_count, success_count,
failed_count, alarm_level, error_record,
monitor_type, monitor_key)
def _check_cluster_status(self, zk_data_node_count):
zkOper = Scheduler_ZkOpers()
pre_stat = zkOper.retrieveClusterStatus()
''' The following logic expression means
1. if we don't have the cluster_status node in zookeeper we will
get pre_stat as {}, we will create the path in the following
process.
2. else the pre_stat is not {}, then it must have value in pre_stat
dictionary and judge whether it is right or not.
'''
if pre_stat.has_key('_status') and pre_stat[
'_status'] != 'initializing' or pre_stat == {}:
online_node_list = zkOper.retrieve_started_nodes()
result = {}
online_num = len(online_node_list)
if zk_data_node_count == online_num:
result['_status'] = 'running'
elif zk_data_node_count / 2 + 1 <= online_num < zk_data_node_count:
result['_status'] = 'sub-health'
else:
result['_status'] = 'failed'
zkOper.writeClusterStatus(result)