原文:https://www.3qos.com/article/101.htmlhtml
做者:容易 日期:2015-03-17java
备注:非本人赞成,请勿转载python
add_job 接口代码以下git
#-*- coding: UTF-8 -*- __author__ = 'tiger' #!/usr/bin/env python import zmq, time, os #import random import subprocess import logging, ConfigParser from logging.handlers import RotatingFileHandler #定义日志函数 def mylog(logfile): rthandler = RotatingFileHandler(logfile, 'a', maxBytes=50 * 1024 * 1024, backupCount=3) formatter = logging.Formatter( '%(levelname)s %(thread)d %(threadName)s %(process)d %(funcName)s %(asctime)s %(filename)s[line:%(lineno)d] %(message)s', datefmt='%a, %d %b %Y %H:%M:%S') rthandler.setFormatter(formatter) log = logging.getLogger() log.setLevel(logging.INFO) log.addHandler(rthandler) return log #定义IP检查判断IP是否正确 def ip_check(ip): q = ip.split('.') return len(q) == 4 and len(filter(lambda x: x >= 0 and x <= 255, \ map(int, filter(lambda x: x.isdigit(), q)))) == 4 #配置读取函数 def read_task(config_file): cfg = config_file config = ConfigParser.SafeConfigParser() config.read(cfg) #sections = config.sections() #生产任务ID job_id = int(time.time()) + 1 #定义IP字典,记录批量执行的IP地址 ip_dic = {} #尝试获取相关配置变量 try: master_sock = config.get("master", 'sock') ip_list = config.get("ip_list", 'ip').split(',') job_task = config.get("job_info", 'task') except Exception, err: print err return 0 for i in ip_list: if ip_check(i): ip_dic[i] = 'N' else: print "ip error :%s" % i return 0 #尝试获取任务的非必须变量,不存在设置相关默认值 try: job_type = config.get("job_info", 'type') except: job_type = 'c' try: job_rundir = config.get("job_info", 'rundir') except: job_rundir = 'None' try: job_cmdtimeout = int(config.get("job_info", 'cmdtimeout')) except: job_cmdtimeout = 10 try: job_jobtimeout = int(config.get("job_info", 'jobtimeout')) except: job_jobtimeout = 20 if job_type == 's': try: job_env = config.get("job_info", 'env') except: job_env = 'sh' try: job_fileserver = config.get("job_info", 'fileserver') except: job_fileserver = 'http://192.168.0.227/ser/' job_info = {'id': job_id, 'type': job_type, 'task': job_task, 'jobtimeout': job_jobtimeout, 'cmdtimeout': job_cmdtimeout, 'env': job_env, 'fileserver': job_fileserver, 'rep_type': 'newtask', 'rundir': job_rundir} else: job_info = {'id': job_id, 'type': job_type, 'task': job_task, 'jobtimeout': job_jobtimeout, 'cmdtimeout': job_cmdtimeout, 'rep_type': 'newtask', 'rundir': job_rundir} return [ip_dic, job_info, master_sock] #变量说明,id表明任务的id号是个自增数,根据当前时间生成,job_type表明任务的类别,c表明命令s表明脚本,job_task表明具体的命令,若是是任务 #类别是命令则执行执行,若是是脚本,客户端将去根据脚本名去http服务器下载相关脚本,jobtimeout表明整个任务的超时时间,若是客户端没有在该事件内 #报告任务状态则超时,cmdtimeout表明客户端执行具体任务的超时时间,例如top命令若是不带参数将永远执行,cmdtimeout就是为了不相似状况 #job_env 表明任务的执行环境,一般只适用于执行脚本,job_fileserver 当任务类别是脚本时,下载脚本的http服务器地址和路径,rep_type响应给客户端的状态 #若是响应的信息为newtask,客户端将知道是有新任务了,会尝试获取任务所需的其余信息。rundir任务运行的具体路径 def add_job(config_file, logfile): #定义平常函数 log = mylog(logfile) #读取配置文件 cfg_info = read_task(config_file) #返回为非0时,表示配置文件读取成功而且符合预期。 if cfg_info != 0: ip_dic = cfg_info[0] job_info = cfg_info[1] job_id = job_info['id'] #task = [ip_dic, job_info] #生产请求信息,而且发送至master,请求添加新任务。 task = {'req_type': 'addjob', 'job_info': job_info, 'iplist': ip_dic} #尝试创建与master的链接而且发生相关信息等待响应 sock_file = cfg_info[2] context = zmq.Context() socket = context.socket(zmq.REQ) socket.setsockopt(zmq.LINGER, 0) try: socket.connect(sock_file) socket.send_pyobj(task) except Exception, err: log.info("connect to master error " + str(err)) print "connect to master error %s " % str(err) #等待请求响应 report = socket.recv_pyobj() #打印响应信息 print report #记录到相关的日志,关闭与master的链接 log_file = report.split()[-1] log.info(report) socket.close() context.term() #尝试读取任务报告,直接使用系统本身带的tail命令 read_log = "tail -f " + log_file p = subprocess.Popen(read_log, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) returncode = p.poll() end_fag = 'job ' + str(job_id) + ' end' print '----------------------job report start--------------------------' while returncode is None: line = p.stdout.readline() returncode = p.poll() line = line.strip() print line if line == end_fag: break print '----------------------job report end---------------------------' else: return #定义主函数设置相关运行目录和配置文件名 def main(): config_file = 'task.ini' logfile = 'log/oaos_add_job.log' homedir = os.getcwd() for i in ('log', 'run'): path = homedir + '/' + i if not os.path.exists(path): os.makedirs(path, 0755) add_job(config_file, logfile) if __name__ == "__main__": main()
add_job的配置文件以下shell
#服务端简单端口和地址
[master]
sock=tcp://192.168.4.194:7777服务器
#须要批量任务的IP地址列表,以逗号分隔
[ip_list]
ip=192.168.4.195,192.168.4.196,192.168.4.197,192.168.4.198dom
#任务信息
[job_info]socket
#任务类别,c表明命令s表明脚本type=c
task=ls -rlttcp
#命令或者脚本的超时时间
cmdtimeout=10函数
#整个任务的超时时间
jobtimeout=10
#命令或者脚本的默认执行环境,能够是shell,java,python等根据实际需求去定义
env=sh
#假如任务须要发布脚本,指定下载脚本的URL地址
fileserver=http://192.168.0.227/ser/
#执行脚本或命令时的默认目录rundir=/root/