阿里云获取所有实例信息 API 使用

阿里云获取所有实例信息 API 使用

使用前需安装依赖的sdk模块，可以在阿里云后台查询相关API使用方式：

示例代码:

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# __author__ = "shuke"
# Date: 2017/9/26

import json, yaml

try:
    from aliyunsdkcore.client import AcsClient
    from aliyunsdkcore import client
    from aliyunsdkecs.request.v20140526 import DescribeInstancesRequest
except ImportError as e:
    print("Error: ", e)
    exit()


class AliCloudApi(object):
    """
    阿里云API获取数据
    """
    # 实例编号
    hid = 1
    # 所有region的主机
    all_instances_dic = {}

    def __init__(self, key, secret, zone="cn-beijing"):
        self.key = key
        self.secret = secret
        self.zone = zone
        self.client = AcsClient(self.key, self.secret, self.zone)

    def instances_count(self, page_size=10):
        """
        返回页码数量
        :param page_size:
        :return:
        """
        # 创建 request，并设置参数
        request = DescribeInstancesRequest.DescribeInstancesRequest()
        request.set_PageSize(page_size)
        # 发起 API 请求并打印返回
        response = self.client.do_action_with_exception(request)
        ret = json.loads(response, encoding=\'utf-8\')

        # 页码
        total_page, b = divmod(ret[\'TotalCount\'], page_size)
        if b:
            total_page = total_page + 1
        return total_page

    def queryinstances(self):
        """
        获取各region的实例信息
        :return: region下所有的实例信息
        """
        per_region_instances = []
        try:
            total_page = self.instances_count()
            for page_num in range(1, total_page + 1):
                num = " 第%d页 " % page_num
                print(num.center(100, "*"))
                # 创建 request，并设置参数
                request = DescribeInstancesRequest.DescribeInstancesRequest()
                request.set_PageNumber(page_num)

                # 发起 API 请求并打印返回
                response = self.client.do_action_with_exception(request)
                ret = json.loads(response, encoding=\'utf-8\')
                # print(json.dumps(ret), indent=4, ensure_ascii=False))

                instances = ret[\'Instances\'][\'Instance\']
                for item in instances:
                    ele = {}
                    ele[\'ZoneId\'] = item[\'ZoneId\']
                    ele[\'InstanceId\'] = item[\'InstanceId\']
                    ele[\'InstanceType\'] = item[\'InstanceType\']
                    ele[\'HostName\'] = item[\'HostName\']
                    ele[\'InstanceName\'] = item[\'InstanceName\']
                    # 公网IP
                    if item[\'PublicIpAddress\'][\'IpAddress\']:
                        ele[\'PublicIpAddress\'] = item[\'PublicIpAddress\'][\'IpAddress\'][0]
                    else:
                        ele[\'PublicIpAddress\'] = ""
                    # 私网IP
                    if item[\'InnerIpAddress\'][\'IpAddress\']:
                        ele[\'InnerIpAddress\'] = item[\'InnerIpAddress\'][\'IpAddress\'][0]
                    else:
                        ele[\'InnerIpAddress\'] = item[\'VpcAttributes\'][\'PrivateIpAddress\'][\'IpAddress\'][0]

                    print(AliCloudApi.hid, ele[\'ZoneId\'], ele[\'InstanceId\'], ele[\'InstanceType\'], ele[\'HostName\'],
                          ele[\'InstanceName\'], ele[\'PublicIpAddress\'], ele[\'InnerIpAddress\'])
                    AliCloudApi.hid += 1
                    # 每个实例放入列表中
                    # print(ele)
                    per_region_instances.append(ele)
                page_num += 1
        except Exception as e:
            print("ERROR: ", e)

        return per_region_instances

    def get_all_instances(self, region_li):
        """
        获得所有region实例
        :param region_li: region列表
        :return:
        """
        for zone in region_li:
            self.zone = zone
            print("\033[0;32mNow,start query %s region\033[0m" % zone)
            obj = AliCloudApi(self.key, self.secret, zone)
            per_region_instances = obj.queryinstances()
            AliCloudApi.all_instances_dic[zone] = per_region_instances

        return AliCloudApi.all_instances_dic


if __name__ == \'__main__\':
    # 加载阿里云访问key
    key_pair = yaml.load(open(\'aliyun.yml\'))
    key = key_pair[\'key\']
    secret = key_pair[\'secret\']
    zones = ["cn-qingdao", "cn-hangzhou", "cn-beijing"]
    # for zone in zones:
    #     print("\033[1;32mNow,start query %s region\033[0m" % zone)
    #     obj = AliCloudApi(key, secret, zone)
    #     per_region_instances = obj.queryinstances()
    #     all_instances_li[zone] = per_region_instances
    obj = AliCloudApi(key, secret)
    ret = obj.get_all_instances(zones)