Python启动文件配置

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#-*- coding:utf-8 -*- '''     python一键启动服务器--所有部署的项目 '''    import paramiko import configparser import time import ast import threadpool    ##设置日志打印级别 #logging.basicConfig(format='%(asctime)s - %(pathname)s[line:%(lineno)d] - %(levelname)s: %(message)s',level=logging.DEBUG)    #配置文件读取 cf = configparser.ConfigParser() cf.read(".\config.ini")  # 读取配置文件，如果写文件的绝对路径，就可以不用os模块    missHosts=["data4","name2","name4"]#todo 排除host    pool = threadpool.ThreadPool(4)    '''     执行操作 ''' def operation():     secs = cf.sections()  # 获取文件中所有的section(一个配置文件中可以有多个配置，如数据库相关的配置，邮箱相关的配置，每个section由[]包裹，即[section])，并以列表的形式返回     secs=[sec for sec in secs if sec not in missHosts]        print("{}==>开始初始化所有数据库服务。。。。。。。。".format(time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())))     db_success = {}     #先初始化数据库操作     for sec in secs:         host = cf.get(sec, "host")         port = cf.get(sec, "port")         user = cf.get(sec, "user")         pwd = cf.get(sec, "pwd")         ssh = getConnection(host,port,user,pwd)            if ssh:             db_status = initDatabse(sec,ssh)             db_success.setdefault(sec,db_status)         else:             print("【error】{}主机连接失败！".format(sec))         closeConnection(ssh)        #如果数据库都初始化成功，则开始执行启动指令     if False not in db_success.values():         print("{}==>所有数据库服务初始化完成！！！".format(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())))         for sec in secs:             host = cf.get(sec, "host")             port = cf.get(sec, "port")             user = cf.get(sec, "user")             pwd = cf.get(sec, "pwd")             ssh = getConnection(host, port, user, pwd)             if ssh:                 startProject(sec,ssh)             else:                 print("【error】{}主机连接失败！".format(sec))             closeConnection(ssh)     else:         print("{}==>数据库没有初始化成功,请检查后在尝试！",format("|".join([k for k,v in db_success.items() if v==False])))       #启动项目 def startProject(secname,ssh):     flag = {}     if assertKey(secname,"command"):         print("启动项目操作：【{}】".format(secname))         dbs = ast.literal_eval(cf.get(secname,"command"))         for k,v in dbs.items():             success = assertServiceStatus(ssh,k)             if success:                 print("=====[{}]项目服务已经启动,指令=[{}]".format(secname,k))                 flag.setdefault(k,True)             else:                 print("=====[{}]项目服务正在启动,指令=[{}]".format(secname, v))                 executeService(ssh,v)         #再次验证是否都已启动         time.sleep(1)         for k,v in dbs.items():             success = assertServiceStatus(ssh,k)             if success:                 flag.setdefault(k,True)             else:                 print("=====[{}]主机中[{}]启动失败！".format(secname, v))                 #尝试重启一次，返回True 或False ，并会打印执行信息                 flag.setdefault(k,restartProject(ssh,k,v))            if False not in flag.values():             print("=====[{}]所有项目完成！".format(secname))             return True         else:             print("【error】=====[{}]项目启动失败！".format(secname))             return False       #初始化所有数据库 def initDatabse(secname,ssh):     flag = {}     if assertKey(secname,"database"):         print("数据库操作：【{}】:".format(secname))         dbs = ast.literal_eval(cf.get(secname,"database"))         for k,v in dbs.items():             success = assertServiceStatus(ssh,k)             if success:                 print("=====[{}]数据库服务已经启动,指令=[{}]".format(secname,k))                 flag.setdefault(k,True)             else:                 print("=====[{}]数据库服务正在启动,指令=[{}]".format(secname, v))                 executeService(ssh,v)         #再次验证程序是否都已启动         time.sleep(2)         for k,v in dbs.items():             success = assertServiceStatus(ssh,k)             if success:                 flag.setdefault(k,True)             else:                 print("=====[{}]主机中[{}]数据库服务初始化失败！".format(secname, v))                 flag.setdefault(k,False)            if False not in flag.values():             print("=====[{}]初始化数据库完成！".format(secname))             return True         else:             print("【error】=====[{}]初始化数据库失败！".format(secname))             return False       #针对启动失败的程序，tomcat启动失败，但是ps查询还是会有进程 def restartProject(ssh,k,v):     pids=[]     stdin, stdout, stderr = ssh.exec_command(k,get_pty=True)#查询进程     lines = stdout.readlines()     for line in lines:         pid = line[9:14]         pids.append(pid)         print("进程=[{}],info=【{}】".format(pid,line))        if pids:         ssh.exec_command("kill -9 {}".format(" ".join(pids)))     #杀完进程后尝试重新启动     stdin, stdout, stderr = ssh.exec_command(v,get_pty=True)     for out in stdout:         print("执行返回信息:【{}】".format(out))     for err in stderr:         print("执行错误信息:【{}】".format(err))        time.sleep(3)     success = assertServiceStatus(ssh,k)     return success       #判断服务是否启动 def assertServiceStatus(ssh,command):     stdin, stdout, stderr = ssh.exec_command(command,get_pty=True)     res = [line for line in stdout]     if len(res) > 0:         return True     else:         return False    #判断服务是否启动 def executeService(ssh,command):     try:         ssh.exec_command("{}".format(command),timeout=2)#不等待执行结果     except:         print("{}==>执行完毕！")    def assertKey(secname,key):     has =cf.has_option(secname,key)     return has    def getConnection(host,port,user,pwd):     '''     重新获取链接     :param host:     :param port:     :param user:     :param pwd:     :return:     '''     ssh = paramiko.SSHClient()  # 创建SSH对象     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())  # 允许连接不在know_hosts文件中的主机     try:         ssh.connect(hostname=host, port=port, username=user, password=pwd,timeout=5)  # 连接服务器         return ssh     except:         print("【error】{}连接失败".format(host))         return None    def closeConnection(ssh):     '''     关闭链接     :param ssh:     :return:     '''     try:         ssh.close()     except:         print("【error】{}:链接关闭异常".format(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())))       if __name__ == '__main__':     start = time.time()     operation()     end = time.time()     print("所有项目启动完成，共耗时{}秒".format((end-start)))     # sec="data2"     # host = cf.get(sec, "host")     # port = cf.get(sec, "port")     # user = cf.get(sec, "user")     # pwd = cf.get(sec, "pwd")     # ssh = getConnection(host, port, user, pwd)     # k = "service mysqld status"     # v = "cd /var/neo4j-community-3.5.1/bin;./neo4j start"     # #restartProject(ssh,k,v)     # stdin, stdout, stderr = ssh.exec_command(k, get_pty=True)  # 查询进程     #     # if str(stdout.readlines()[-1]).__contains__("Started MySQL Server."):     #     print("服务已经启动！")