def isAlive(self):
try:
self.getStatus()
return 'true'
except Exception, e:
AgentLog.error('Mysql.isAlive failed, %s' % e)
return "false"
def doWork(self):
isSuccess, errMsg = self.check()
if not isSuccess:
return self.responseFailed(errMsg)
try:
ret = self.handle()
except Exception, e:
AgentLog.error('MysqlShell.doWork error :%s' % e)
ret = self.errorHandler("%s" % e)
return self.responseFailed(ret)
def getInstanceInfo(self, instanceId):
try:
ret = {'DBName': None, 'IP': None, 'Port': None}
ret['version'] = self.db.execSql('select version()')[0][0]
ret['schema'] = len(self.db.execSql('show databases'))
ret['Uptime'] = self.db.execSql('show status like "Uptime"')[0][0]
ret['Engine'] = 'Innodb'
ret['NbCluster'] = 'NO'
return ret
except Exception, e:
AgentLog.error("AWR getInstanceInfo error:%s" % e)
def doWork(self):
isSuccess, errMsg = self.check()
if not isSuccess:
return self.responseFailed(errMsg)
timestamp = self.response.getTimeStamp()
timestamp = time.mktime(time.strptime(timestamp, '%Y-%m-%d %H:%M:%S'))
try:
isSuccess, masterFile, masterPos, errMsg, fileSize = self.db.backup(
timestamp, self.backupType, self.binlogFile, self.backupTool)
except Exception, e:
isSuccess = False
errMsg = 'Error %s' % e
AgentLog.error(errMsg)
def start(self):
"""
把进程pid写入到对应的pid文件
"""
AgentLog.info("RDS Agent start to run")
try:
file = open(self.__pidFile__, 'wt')
file.write(str(os.getpid()))
file.close()
except:
AgentLog.error("open pid file {0} error, start failed".format(
self.__pidFile__))
raise AgentException("open pid file {0} failed".format(
self.__pidFile__))
class RabbitMQSender(RabbitMQWrapper):
def __init__(self,
name_="RabbitMQSender",
host_="localhost",
port_=5672,
exchange_='exchange',
routing_key_='key'):
RabbitMQWrapper.__init__(self, name_, host_, port_, exchange_, '',
routing_key_)
AgentLog.info(
"create sender %s {host:%s, port:%d, exchange:%s, routing_key:%s}"
% (name_, host_, port_, exchange_, routing_key_))
def send(self, msg):
try:
self.channel.basic_publish(exchange=self.exchange,
routing_key=self.routing_key,
body=msg)
except ConnectionClosed, e:
self.reconnect()
self.channel.basic_publish(exchange=self.exchange,
routing_key=self.routing_key,
body=msg)
except Exception, e:
AgentLog.error("{0} send msg:{1} error".format(self.name, msg))
def parseMsg(self, response):
AgentLog.debug("receive msg: {0}".format(response.body))
try:
try:
command = CommandFactory.getCommand(response.getDBType(), response.getAction())(self.context, response)
except AttributeError:
request = self.createErrorRequest(response, 'command is not exist')
self.sender.send(request.getRequest())
return
# request = command.doWork()
# self.sender.send(request.getRequest())
data = [((), {'command': command, 'sender': self.sender})]
reqs = threadpool.makeRequests(doWork, data)
[SyncCMDReceiver.pool.putRequest(req) for req in reqs]
except Exception,e:
AgentLog.error('syncCMDReceiver.parseMsg error %s'%e)
def run(self):
AgentLog.info('thread {0} start running'.format(self.getName()))
while self.isRunning:
try:
self.doWork()
if self.lastReportTime == 0:
self.lastReportTime = int(time.time())
# 获取当前时间
currentTime = int(time.time())
# 比较是否已经超时，如果超时，则在日志文件中打印线程alive信息
if currentTime >= self.lastReportTime + self.activeReportInterval:
AgentLog.info(
' thread:[{0}] is alive '.format(self.getName()).ljust(45, ' ').center(75, '#'))
self.lastReportTime = currentTime
except Exception, e:
AgentLog.error(
"thread [{0}] raise Exception: {1}".format(self.getName(), traceback.format_exc()))
# 等待下一次运行
self.event.wait(self.loopInterval)
def getCacheProfile(self, instanceId):
try:
ret = {}
ret['PoolSize'] = int(self.db.execSql("show variables like 'innodb_buffer_pool_size'")[0][1]) / 1024 / 1024
ret['RedologSize'] = int(self.db.execSql("show variables like 'innodb_log_file_size'")[0][1]) / 1024 / 1024
# 获取hint
answers = self.db.execSql("show status like 'innodb%_reads'")
hint = {'Innodb_buffer_pool_reads': 0, 'Innodb_data_reads': 0}
for line in answers:
if line[0] in ('Innodb_buffer_pool_reads', 'Innodb_data_reads'):
hint[line[0]] = line[1]
ret['Hint'] = float(hint['Innodb_buffer_pool_reads']) / float(hint['Innodb_data_reads'])
return ret
except Exception, e:
AgentLog.error("AWR getCacheProfile error:%s" % e)
def doWork(self):
isSuccess, errMsg = self.check()
if not isSuccess:
return self.responseFailed(errMsg)
endTime = self.endTime
startTime = self.startTime
instanceID = self.instanceID
try:
# 获取实例参数
instanceData = self.getInstanceInfo(self.instanceID)
# 获取时间参数
elapsed = time.mktime(time.strptime(endTime, "%Y-%m-%d %H:%M")) - time.mktime(
time.strptime(startTime, "%Y-%m-%d %H:%M"))
if elapsed < 0:
return self.responseFailed('TimeError')
snapTime = {'BeginSnap': startTime, 'EndSnap': endTime, 'Elapsed': elapsed}
# 获取全局参数
showGlobal = self.db.execSql("show global variables")
# 获取sql参数
sqlData = self.getSQL(instanceID)
# 获取状态参数
# statusData = self.getLoadProfile(elapsed, startTime, endTime, instanceID)
cacheProfile = self.getCacheProfile(instanceID)
waitEvent = self.getWaitEvent(instanceID)
ret = {'awr': {'Instance': instanceData,
'loadProfile': None, 'SnapTime': snapTime, 'CacheProfile': cacheProfile,
'WaitEvent': waitEvent, 'showGlobal': showGlobal, 'sql': sqlData
}}
return self.responseOK(ret)
except Exception, e:
AgentLog.error('AWR get, error:%s' % (e))
def callback(self, ch, method, properties, body):
try:
self.doWork(AgentResponse(body))
ch.basic_ack(delivery_tag=method.delivery_tag)
except Exception,e:
AgentLog.error('RabbitMQReceiver.callback error %s'%e)
