svn + nginx unit + python3自动化发布web服务方…

#!/usr/bin/env python
# coding=utf-8
"""
更新unit配置，重启Python web服务
"""

import logging
import os
import sys
import random

# 获取本脚本所在的路径
pro_path = os.path.split(os.path.realpath(__file__))[0]
sys.path.append(pro_path)

# 定义日志输出格式
logging.basicConfig(level=logging.INFO,
                    format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',
                    filename="/data/logs/service/update_unit_json.log",
                    filemode='a')

# unit配置信息
unit_json = """{
    "listeners": {
        "*:51000": {
            "application": "test_app_application"
        }
    },
    "applications": {
        "test_app_application": {
            "type": "python",
            "processes": {
                "max":20,
                "spare": 2
            },
            "path": "/data/www/test_app",
            "module": "main"
        }
    },
    "access_log": "/data/logs/www/access.log"
}
"""

def save_file(file_path, content, mode='a', encoding='utf-8'):
    """保存内容到文件里"""
    try:
        file_object = open(file_path, mode, encoding=encoding)
        file_object.write(content)
        file_object.close()
        return True
    except Exception as e:
        print(str(e.args))
        return False

def get_random():
    """
    获取指定长度的随机字符
    """
    return str(random.randint(1000, 9999))


if __name__ == "__main__":
    if len(sys.argv) == 1:
        print('缺少必要参数')
        sys.exit()

    # 获取服务名称
    application = sys.argv[1]
    print(application)

    try:
        # 设置配置文件存储地址
        file_path = '/data/unit/unit.json'
        # 替换json中的application串
        unit_json = unit_json.replace(application, application + get_random())
        print(unit_json)
        # 写入配置文件
        save_file(file_path, unit_json, 'w')
        # 设置unit配置重载命令（unit.json存储位置可以放到自己喜欢的任何地方；
        # control.unit.sock会根据在不同路径输入unitd启动命令，而直接在该路径下创建该文件，如果想要正常启动必须在build目录下运行unitd启动，另外不同服务器安装方式build位置可能不一样）
        command = 'curl -X PUT -d @/data/unit/unit.json --unix-socket /usr/local/unit/build/control.unit.sock http://localhost/config/'
        print(command)
        os.system(command)
        print('成功')
    except Exception as e:
        print('服务出现异常，异常信息：' + str(e.args))

[root@izwz94jx1zymn4ogxqstsxz pre_release]# python3 update_unit_json.py test_app_application
test_app
{
    "listeners": {
        "*:51000": {
            "application": "test_app_application261542"
        }
    },
    "applications": {
        "test_app_application261542": {
            "type": "python",
            "processes": {
                "max":20,
                "spare": 2
            },
            "path": "/data/www/test_app",
            "module": "main"
        }
    },
        "access_log": "/data/logs/www/access.log"
}

curl -X PUT -d @/data/unit/unit.json --unix-socket /usr/local/unit/build/control.unit.sock http://localhost/config/
{
        "success": "Reconfiguration done."
}
成功

#!/bin/sh

export LANG=en_US.UTF-8
/usr/bin/svn up /data/www/test_app
chown -R nobody:nobody /data/www/test_app
python3 /data/service/test/update_unit_json.py test_app_application

[all]

[web1]
127.0.0.1:22 ansible_ssh_user=root ansible_ssh_pass=****** ansible_sudo_pass=****** ansible_ssh_private_key_file=~/.ssh/id_rsa

inventory = /etc/ansible/hosts
forks = 5
poll_interval = 15
sudo_user = root
transport = smart
remote_port = 22
module_lang = C
gathering = implicit
gather_timeout = 10
host_key_checking = False
sudo_exe = sudo
private_key_file = ~/.ssh/id_rsa
deprecation_warnings = False

#!/bin/sh

export LANG=en_US.UTF-8
/usr/bin/svn up /data/www/test_app
/usr/bin/ansible all -s -a "chown -R nobody:nobody /data/www/test_app"
/usr/bin/ansible all -s -a "python3 /data/service/pre_release/update_unit_json.py test_app_application"