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config_event_manager.py
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config_event_manager.py
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#
# Copyright (c) 2015 Juniper Networks, Inc. All rights reserved.
#
from gevent import monkey
monkey.patch_all()
import os
import sys
import socket
import subprocess
import json
import time
import datetime
import platform
import select
import gevent
import ConfigParser
from nodemgr.common.event_manager import EventManager, package_installed
from nodemgr.database_nodemgr.common import CassandraManager
from ConfigParser import NoOptionError
from supervisor import childutils
from pysandesh.sandesh_base import *
from pysandesh.sandesh_session import SandeshWriter
from pysandesh.gen_py.sandesh_trace.ttypes import SandeshTraceRequest
from sandesh_common.vns.ttypes import Module, NodeType
from sandesh_common.vns.constants import ModuleNames, NodeTypeNames,\
Module2NodeType, INSTANCE_ID_DEFAULT, UVENodeTypeNames
from subprocess import Popen, PIPE
from StringIO import StringIO
from nodemgr.common.sandesh.nodeinfo.ttypes import *
from nodemgr.common.sandesh.nodeinfo.cpuinfo.ttypes import *
from nodemgr.common.sandesh.nodeinfo.process_info.ttypes import *
from nodemgr.common.sandesh.nodeinfo.process_info.constants import *
from pysandesh.connection_info import ConnectionState
class ConfigEventManager(EventManager):
def __init__(self, rule_file, discovery_server,
discovery_port, collector_addr,
cassandra_repair_interval,
cassandra_repair_logdir):
self.node_type = "contrail-config"
self.uve_node_type = UVENodeTypeNames[NodeType.CONFIG]
self.table = "ObjectConfigNode"
self.module = Module.CONFIG_NODE_MGR
self.module_id = ModuleNames[self.module]
self.cassandra_repair_interval = cassandra_repair_interval
self.cassandra_repair_logdir = cassandra_repair_logdir
self.cassandra_mgr = CassandraManager(cassandra_repair_logdir)
self.supervisor_serverurl = "unix:///var/run/supervisord_config.sock"
self.add_current_process()
node_type = Module2NodeType[self.module]
node_type_name = NodeTypeNames[node_type]
self.sandesh_global = sandesh_global
EventManager.__init__(
self, rule_file, discovery_server,
discovery_port, collector_addr, sandesh_global)
_disc = self.get_discovery_client()
sandesh_global.init_generator(
self.module_id, socket.gethostname(),
node_type_name, self.instance_id, self.collector_addr,
self.module_id, 8100, ['nodemgr.common.sandesh'], _disc)
sandesh_global.set_logging_params(enable_local_log=True)
ConnectionState.init(sandesh_global, socket.gethostname(),
self.module_id, self.instance_id,
staticmethod(ConnectionState.get_process_state_cb),
NodeStatusUVE, NodeStatus, self.table)
self.send_system_cpu_info()
self.third_party_process_dict = {}
# end __init__
def process(self):
if self.rule_file is '':
self.rule_file = "/etc/contrail/" + \
"supervisord_config_files/contrail-config.rules"
json_file = open(self.rule_file)
self.rules_data = json.load(json_file)
def send_process_state_db(self, group_names):
self.send_process_state_db_base(
group_names, ProcessInfo)
def send_nodemgr_process_status(self):
self.send_nodemgr_process_status_base(
ProcessStateNames, ProcessState, ProcessStatus)
def get_node_third_party_process_dict(self):
return self.third_party_process_dict
def get_process_state(self, fail_status_bits):
return self.get_process_state_base(
fail_status_bits, ProcessStateNames, ProcessState)
def do_periodic_events(self):
db = package_installed('contrail-opesntack-database')
config_db = package_installed('contrail-database-common')
if not db and config_db:
# Record cluster status and shut down cassandra if needed
self.cassandra_mgr.status()
self.event_tick_60()
if not db and config_db:
# Perform nodetool repair every cassandra_repair_interval hours
if self.tick_count % (60 * self.cassandra_repair_interval) == 0:
self.cassandra_mgr.repair()