ceph-状态监测-脚本

http://www.tang-lei.com/2018/06/05/ceph-%E7%8A%B6%E6%80%81%E7%9B%91%E6%B5%8B-%E8%84%9A%E6%9C%AC/

为了能够试试获取ceph集群状态，以期发生故障，可以及时知晓，及时处理。这里结合公司使用的owl监控编写的python脚本，如果使用其他或者crontab，可以酌情修改返回格式。

cat ceph_status.py

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#!/usr/bin/python # -*- coding: utf-8 -*- import os import re import subprocess import sys try: import simplejson as json except: import json   ##获取集群状态 HEALTH_ERR、HEALTH_WARN、HEALTH_OK def get_ceph_status(): p = subprocess.Popen("ceph -s -f json", shell=True,stdout=subprocess.PIPE) j_data = json.loads(p.stdout.read()) status = j_data.get('health').get('overall_status') mark = 0 ##正常 if status == 'HEALTH_ERR': mark = 1 if status == 'HEALTH_WARN': mark = 2 if status == 'HEALTH_OK': mark = 0 print {'HEALTH':mark} return {'HEALTH':mark}   ##检查osd使用率 def get_osd_usage(): p = subprocess.Popen("ceph osd df | awk '{print $1,$7}'", shell=True, stdout=subprocess.PIPE) osds = p.stdout.readlines() dicts = {} for o in osds: array = o.strip().split(" ") try: id = int(array[0]) dicts[array[0]]=array[1] except ValueError: print "Not number" j_data = json.dumps(dicts, indent=4) print j_data return j_data   ##获取osd状态 0表示没有down的osd, 1表示有down def get_osd_status(): ##p = subprocess.Popen("ceph osd tree | awk '{print $4}' |grep down", shell=True, stdout=subprocess.PIPE) ##osds_len = len(p.stdout.read()) ##print osds_len ##if osds_len == 0: ## return 0 ##else: ## return 1 p = subprocess.Popen("ceph osd stat -f json", shell=True, stdout=subprocess.PIPE) data = json.loads(p.stdout.read()) if data.get('num_osds') == data.get('num_up_osds') == data.get("num_in_osds"): print 0 return 0 else: print 1 return 1     ##获取pg状态 0表示 active+clean, 1表示有问题 def get_pg_status(): p = subprocess.Popen("ceph pg stat -f json", shell=True, stdout=subprocess.PIPE) data = json.loads(p.stdout.read()) if len(data.get("num_pg_by_state")) > 1: print 1 return 1 else: print 0 return 0     ##获取osd延迟信息 def get_osd_latency(): p = subprocess.Popen("ceph osd perf |awk '{print $1,$3}'", shell=True, stdout=subprocess.PIPE) return _change_data_format(p)     ##数据格式转换 def _change_data_format(p): osds = p.stdout.readlines() dicts = {} for o in osds: array = o.strip().split(" ") try: id = int(array[0]) dicts[array[0]]=array[1] except ValueError: print "Not number" j_data = json.dumps(dicts, indent=4) print j_data return j_data   ##mon 状态 def get_mon_status(): p = subprocess.Popen("ceph mon_status", shell=True, stdout=subprocess.PIPE) usage = p.stdout.read() json_usage = json.loads(usage) print json_usage return json_usage     ##ceph集群所有磁盘使用率 def get_ceph_disk_usage(): p = subprocess.Popen("ceph df -f json", shell=True, stdout=subprocess.PIPE) usage = p.stdout.read() json_usage = json.loads(usage) print json_usage return json_usage   if __name__ == '__main__': inputs = sys.argv[1] if inputs == '1': get_ceph_status() if inputs == '2': get_osd_usage() if inputs == '3': get_osd_status() if inputs == '4': get_osd_latency() if inputs == '5': get_pg_status() if inputs == '6': get_mon_status() if inputs == '7': get_ceph_disk_usage()