Django封装交互接口代码_Python

我就废话不多说了，大家还是直接看代码吧~

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									# !/usr/bin/env python 

									# -*- coding:utf-8 -*-

									__author__ = '_X.xx_'

									__date__ = '2018/7/18 16:44'

									from django.http import JsonResponse

									class HttpCode(object):

									 ok = 200

									 paramserror = 400

									 unantu = 401

									 methoderror = 405

									 servererror = 500

									def ok():

									 return result()

									def result(code=HttpCode.ok, message='', data=None, kwargs=None):

									 json_dict = {'code': code, 'message': message, 'data': data}

									 if kwargs and isinstance(kwargs, dict) and kwargs.keys():

									  json_dict.update(kwargs)

									 return JsonResponse(json_dict)

									def params_error(message='', data=None):

									 return result(code=HttpCode.paramserror, message=message, data=data)

									def unauth(message='', data=None):

									 return result(code=HttpCode.unantu, message=message, data=data)

									def method_error(message='', data=None):

									 return result(code=HttpCode.methoderror, message=message, data=data)

									def server_error(message='', data=None):

									 return result(code=HttpCode.servererror, message=message, data=data)

补充知识：python部署galery集群

galery.py文件内容

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									import pexpect

									import os

									import configparser

									HOSTNAME_DB1='db1'

									HOSTNAME_DB2='db2'

									HOSTNAME_DB3='db3'

									DB1 = '192.168.254.24'

									DB2 = '192.168.254.27'

									DB3 = '192.168.254.36'

									PORT = 22

									USERNAME = 'root'

									PASSWORD = 'root'

									server3_cnf = 'sed -i "s/wsrep_node_name = db1/wsrep_node_name = db3/g" /etc/my.cnf.d/server.cnf;sed -i "s/wsrep_node_address = %s/wsrep_node_address = %s/g" /etc/my.cnf.d/server.cnf' % (DB1,DB3)

									server2_cnf = 'sed -i "s/wsrep_node_name = db1/wsrep_node_name = db3/g" /etc/my.cnf.d/server.cnf;sed -i "s/wsrep_node_address = %s/wsrep_node_address = %s/g" /etc/my.cnf.d/server.cnf' % (DB1,DB3)

									def config_parse():

									 config = configparser.ConfigParser()

									 config.read("/etc/my.cnf.d/server.cnf", encoding="utf-8")

									 config.set('galera','wsrep_on','ON')

									 config.set('galera','wsrep_provider','/usr/lib64/galera/libgalera_smm.so')

									 config.set('galera','wsrep_cluster_address','"gcomm://%s,%s,%s"' % (DB1, DB2, DB3))

									 config.set('galera','wsrep_node_name','%s' % HOSTNAME_DB1 )

									 config.set('galera','wsrep_node_address','%s' % DB1)

									 config.set('galera','binlog_format','row')

									 config.set('galera','default_storage_engine','InnoDB')

									 config.set('galera','innodb_autoinc_lock_mode','2')

									 config.set('galera','wsrep_slave_threads','1')

									 config.set('galera','innodb_flush_log_at_trx_commit','1')

									 config.set('galera','innodb_buffer_pool_size','120M')

									 config.set('galera','wsrep_sst_method','rsync')

									 config.set('galera','wsrep_causal_reads','ON')

									 config.write(open('/etc/my.cnf.d/server.cnf','w'))

									def cp_server_cnf():

									 child1 = pexpect.spawn('scp /etc/my.cnf.d/server.cnf %s@%s:/etc/my.cnf.d/server.cnf' % (USERNAME,DB2))

									 child1.expect('password:')

									 child1.sendline(PASSWORD)

									 child1.interact()

									 child1.close()

									 child2 = pexpect.spawn('scp /etc/my.cnf.d/server.cnf %s@%s:/etc/my.cnf.d/server.cnf' % (USERNAME,DB3))

									 child2.expect('password:')

									 child2.sendline(PASSWORD)

									 child2.interact()

									 child2.close()

									def conn_db(ip,cnf):

									 child3 = pexpect.spawn('ssh %s@%s' % (USERNAME, ip))

									 child3.expect('password:')

									 child3.sendline('root')

									 child3.expect('#')

									 child3.sendline(cnf)

									 child3.expect('#')

									 child3.sendline('systemctl restart mariadb > /dev/null')

									 child3.sendline('exit')

									 child3.interact()

									 child3.close()

									def init_cmd():

									 res1 = os.system('service mariadb stop')

									 res2 = os.system('mysqld_safe --wsrep_cluster_address=gcomm://%s,%s,%s >/dev/null &' % (DB1, DB2, DB3))

									 res3 = os.system('galera_new_cluster &>/dev/null')

									 if res2 == 0:

									  print('galera初始化完成')

									  if res3 == 0:

									   print('galera集群已经启动')

									  else:

									   print('galera集群启动失败')

									 else:

									  print('galera初始化失败！')

									def main():

									 config_parse()

									 cp_server_cnf()

									 init_cmd()

									 conn_db(DB2,server2_cnf)

									 conn_db(DB3,server3_cnf)

									if __name__ == '__main__':

									 main()