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[经验分享] Open-Falcon 监控系统监控 MySQL/Redis/MongoDB 状态监控

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发表于 2017-12-12 11:01:34 | 显示全部楼层 |阅读模式
#!/bin/env python  
#
-*- encoding: utf-8 -*-  

  
from __future__ import division
  
import MySQLdb
  
import datetime
  
import time
  
import os
  
import sys
  
import fileinput
  
import requests
  
import json
  
import re
  

  

  
class MySQLMonitorInfo():
  

  
def __init__(self,host,port,user,password):
  
self.host     = host
  
self.port     = port
  
self.user     = user
  
self.password = password
  

  
def stat_info(self):
  
try:
  
m = MySQLdb.connect(host=self.host,user=self.user,passwd=self.password,port=self.port,charset='utf8')
  
query = "SHOW GLOBAL STATUS"
  
cursor = m.cursor()
  
cursor.execute(query)
  
Str_string = cursor.fetchall()
  
Status_dict = {}
  
for Str_key,Str_value in Str_string:
  
Status_dict[Str_key] = Str_value
  
cursor.close()
  
m.close()
  
return Status_dict
  

  
except Exception, e:
  
print (datetime.datetime.now()).strftime("%Y-%m-%d %H:%M:%S")
  
print e
  
Status_dict = {}
  
return Status_dict
  

  
def engine_info(self):
  
try:
  
m = MySQLdb.connect(host=self.host,user=self.user,passwd=self.password,port=self.port,charset='utf8')
  
_engine_regex = re.compile(ur'(History list length) ([0-9]+\.?[0-9]*)\n')
  
query = "SHOW ENGINE INNODB STATUS"
  
cursor = m.cursor()
  
cursor.execute(query)
  
Str_string = cursor.fetchone()
  
a,b,c = Str_string
  
cursor.close()
  
m.close()
  
return dict(_engine_regex.findall(c))
  
except Exception, e:
  
print (datetime.datetime.now()).strftime("%Y-%m-%d %H:%M:%S")
  
print e
  
return dict(History_list_length=0)
  

  
if __name__ == '__main__':
  

  
open_falcon_api = 'http://192.168.200.86:1988/v1/push'
  

  
db_list= []
  
for line in fileinput.input():
  
db_list.append(line.strip())
  
for db_info in db_list:
  
#        host,port,user,password,endpoint,metric = db_info.split(',')
  
host,port,user,password,endpoint = db_info.split(',')
  

  
timestamp = int(time.time())
  
step      = 60
  
#        tags      = "port=%s" %port
  
tags      = ""
  

  
conn = MySQLMonitorInfo(host,int(port),user,password)
  
stat_info = conn.stat_info()
  
engine_info = conn.engine_info()
  

  
mysql_stat_list = []
  
monitor_keys = [
  
('Com_select','COUNTER'),
  
('Qcache_hits','COUNTER'),
  
('Com_insert','COUNTER'),
  
('Com_update','COUNTER'),
  
('Com_delete','COUNTER'),
  
('Com_replace','COUNTER'),
  
('MySQL_QPS','COUNTER'),
  
('MySQL_TPS','COUNTER'),
  
('ReadWrite_ratio','GAUGE'),
  
('Innodb_buffer_pool_read_requests','COUNTER'),
  
('Innodb_buffer_pool_reads','COUNTER'),
  
('Innodb_buffer_read_hit_ratio','GAUGE'),
  
('Innodb_buffer_pool_pages_flushed','COUNTER'),
  
('Innodb_buffer_pool_pages_free','GAUGE'),
  
('Innodb_buffer_pool_pages_dirty','GAUGE'),
  
('Innodb_buffer_pool_pages_data','GAUGE'),
  
('Bytes_received','COUNTER'),
  
('Bytes_sent','COUNTER'),
  
('Innodb_rows_deleted','COUNTER'),
  
('Innodb_rows_inserted','COUNTER'),
  
('Innodb_rows_read','COUNTER'),
  
('Innodb_rows_updated','COUNTER'),
  
('Innodb_os_log_fsyncs','COUNTER'),
  
('Innodb_os_log_written','COUNTER'),
  
('Created_tmp_disk_tables','COUNTER'),
  
('Created_tmp_tables','COUNTER'),
  
('Connections','COUNTER'),
  
('Innodb_log_waits','COUNTER'),
  
('Slow_queries','COUNTER'),
  
('Binlog_cache_disk_use','COUNTER')
  
]
  

  
for _key,falcon_type in monitor_keys:
  
if _key == 'MySQL_QPS':
  
_value = int(stat_info.get('Com_select',0)) + int(stat_info.get('Qcache_hits',0))
  
elif _key == 'MySQL_TPS':
  
_value = int(stat_info.get('Com_insert',0)) + int(stat_info.get('Com_update',0)) + int(stat_info.get('Com_delete',0)) + int(stat_info.get('Com_replace',0))
  
elif _key == 'Innodb_buffer_read_hit_ratio':
  
try:
  
_value = round((int(stat_info.get('Innodb_buffer_pool_read_requests',0)) - int(stat_info.get('Innodb_buffer_pool_reads',0)))/int(stat_info.get('Innodb_buffer_pool_read_requests',0)) * 100,3)
  
except ZeroDivisionError:
  
_value = 0
  
elif _key == 'ReadWrite_ratio':
  
try:
  
_value = round((int(stat_info.get('Com_select',0)) + int(stat_info.get('Qcache_hits',0)))/(int(stat_info.get('Com_insert',0)) + int(stat_info.get('Com_update',0)) + int(stat_info.get('Com_delete',0)) + int(stat_info.get('Com_replace',0))),2)
  
except ZeroDivisionError:
  
_value = 0            
  
else:
  
_value = int(stat_info.get(_key,0))
  

  
falcon_format = {
  
'Metric': '%s' % (_key),
  
'Endpoint': endpoint,
  
'Timestamp': timestamp,
  
'Step': step,
  
'Value': _value,
  
'CounterType': falcon_type,
  
'TAGS': tags
  
}
  
mysql_stat_list.append(falcon_format)
  

  
#_key : History list length
  
for _key,_value in  engine_info.items():
  
_key = "Undo_Log_Length"
  
falcon_format = {
  
'Metric': '%s' % (_key),
  
'Endpoint': endpoint,
  
'Timestamp': timestamp,
  
'Step': step,
  
'Value': int(_value),
  
'CounterType': "GAUGE",
  
'TAGS': tags
  
}
  
mysql_stat_list.append(falcon_format)
  

  
print json.dumps(mysql_stat_list,sort_keys=True,indent=4)
  
requests.post(open_falcon_api, data=json.dumps(mysql_stat_list))

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所有资源均系网友上传或者通过网络收集,我们仅提供一个展示、介绍、观摩学习的平台,我们不对其承担任何法律责任,如涉及侵犯版权等问题,请您及时通知我们,我们将立即处理,联系人Email:kefu@iyunv.com,QQ:1061981298 本贴地址:https://www.yunweiku.com/thread-423285-1-1.html 上篇帖子: 【PHP】当mysql遇上PHP 下篇帖子: Python远程连接MySQL数据库
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