scripts/alb_utils.py

import logging
import json
import sys
import time
from asyncio import wait_for

import requests
import asyncio
import time

from alibabacloud_tea_util.client import Client as UtilClient
from aliyunsdkcore.client import AcsClient
from aliyunsdkslb.request.v20140515.AddBackendServersRequest import AddBackendServersRequest
from aliyunsdkslb.request.v20140515.RemoveBackendServersRequest import RemoveBackendServersRequest
from aliyunsdkecs.request.v20140526.RunInstancesRequest import RunInstancesRequest
from aliyunsdkecs.request.v20140526.DescribeInstancesRequest import DescribeInstancesRequest
from aliyunsdkecs.request.v20140526.DescribeNetworkInterfacesRequest import DescribeNetworkInterfacesRequest
from aliyunsdkslb.request.v20140515.DescribeLoadBalancerAttributeRequest import DescribeLoadBalancerAttributeRequest
from aliyunsdkecs.request.v20140526.RunCommandRequest import RunCommandRequest
from aliyunsdkecs.request.v20140526.SendFileRequest import SendFileRequest
from aliyunsdkecs.request.v20140526.StopInstancesRequest import StopInstancesRequest
from aliyunsdkecs.request.v20140526.DeleteInstancesRequest import DeleteInstancesRequest
from aliyunsdkecs.request.v20140526.DescribeInstanceStatusRequest import DescribeInstanceStatusRequest
from aliyunsdkcore.request import CommonRequest
from alibabacloud_alb20200616.client import Client as Alb20200616Client
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_alb20200616 import models as alb_models
from alibabacloud_alb20200616 import models as alb_20200616_models
from alibabacloud_tea_util import models as util_models
from aliyunsdkalb.request.v20200616.ListServerGroupServersRequest import ListServerGroupServersRequest
from aliyunsdkcore.acs_exception.exceptions import ClientException, ServerException
from urllib3.connection import port_by_scheme

logging.basicConfig(level=logging.INFO,
                    format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',
                    datefmt='%a, %d %b %Y %H:%M:%S')


def send_msg_to_feishu(webhook, key_word, msg_text):
    """发送消息到飞书"""
    headers = {'Content-Type': 'application/json'}
    payload_message = {
        "msg_type": "text",
        "content": {
            "text": '{}: {}'.format(key_word, msg_text)
        }
    }
    response = requests.request('POST', url=webhook, headers=headers, data=json.dumps(payload_message))
    logging.info(response.text)


def connect_client(access_key_id, access_key_secret, region_id):
    """
    初始化账号，连接客户端
    :param access_key_id: access key Id, type-string
    :param access_key_secret: access key secret, type-string
    :param region_id: region_id
    :return: clt
    """
    try:
        clt = AcsClient(ak=access_key_id, secret=access_key_secret, region_id=region_id)
        return clt
    except Exception as e:
        # 失败，记录报错信息，发送通知，停止并退出
        logging.error(e)
        sys.exit()


def connect_alb_client(access_key_id, access_key_secret, endpoint):
    """
    初始化ALB客户端
    :param access_key_id: access key Id, type-string
    :param access_key_secret: access key secret, type-string
    :return: alb_client
    """
    config = open_api_models.Config(
        access_key_id=access_key_id,
        access_key_secret=access_key_secret,
        endpoint=endpoint
    )
    alb_client = Alb20200616Client(config)
    return alb_client





def build_create_instances_request(image_id, vswitch_id, security_group_id, zone_id, instance_type, instance_name,
                                   disk_size, disk_category, key_pair_name, tags):
    """
    购买服务器参数配置
    :param image_id: 使用的镜像信息 type-string
    :param vswitch_id: 选择的交换机 type-string
    :param security_group_id: 当前vpc类型的安全组 type-string
    :param zone_id: 服务器所在区域 type-string
    :param instance_type: 实例规格 type-string
    :param instance_name: 实例命名 type-string
    :param disk_size: 磁盘大小，单位：G，type-string
    :param disk_category: 磁盘类型 type-string
    :param key_pair_name: 密钥对名称 type-string
    :param tags: 标签 type-list, eg: [{"Key": "ecs", "Value": "rov-server.prod"}, ...]
    :return: request
    """
    request = RunInstancesRequest()
    request.set_ImageId(image_id)
    request.set_VSwitchId(vswitch_id)
    request.set_SecurityGroupId(security_group_id)
    request.set_ZoneId(zone_id)
    request.set_InstanceType(instance_type)
    request.set_InstanceName(instance_name)
    request.set_SystemDiskSize(disk_size)
    request.set_SystemDiskCategory(disk_category)
    request.set_KeyPairName(key_pair_name)
    request.set_Tags(tags)
    return request


def send_req(client, request):
    """
    发送API请求
    :param client: 客户端连接
    :param request: 请求配置
    :return: response
    """
    request.set_accept_format('json')
    response = client.do_action_with_exception(request)
    #print(response)
    response = json.loads(response)
    print(response)
        # logging.info(response)
    print(response.get('Code'))
    return response
    #except Exception as e:
        # 失败，记录报错信息，发送通知，停止并退出
    #logging.error(e)
    #sys.exit()


def check_instance_running(ecs_client, instance_ids):
    """
    检查服务器运行状态
    :param ecs_client: 客户端连接
    :param instance_ids: 实例id列表, type-list
    :return: running_count，Status为Running的实例数
    """
    try:
        request = DescribeInstancesRequest()
        request.set_InstanceIds(json.dumps(instance_ids))
        request.set_PageSize(100)
        response = send_request(ecs_client=ecs_client, request=request)
        if response.get('Code') is None:
            instances_list = response.get('Instances').get('Instance')
            running_count = 0
            running_instances = []
            for instance_detail in instances_list:
                if instance_detail.get('Status') == "Running":
                    running_count += 1
                    running_instances.append(instance_detail.get('InstanceId'))
            return running_count, running_instances
        else:
            # 失败，记录报错信息，发送通知，停止并退出
            logging.error(response)
            sys.exit()
    except Exception as e:
        # 失败，记录报错信息，发送通知，停止并退出
        logging.error(e)
        sys.exit()


def get_ip_address(ecs_client, instance_id):
    """
    获取实例IP地址
    :param ecs_client: 客户端连接
    :param instance_id: 实例id, type-string
    :return: ip_address, type-string
    """
    request = DescribeNetworkInterfacesRequest()
    request.set_accept_format('json')
    request.set_InstanceId(instance_id)
    response = send_request(ecs_client=ecs_client, request=request)
    ip_address = response['NetworkInterfaceSets']['NetworkInterfaceSet'][0]['PrivateIpAddress']
    return ip_address



def create_multiple_instances(amount, ecs_client,
                              image_id, vswitch_id, security_group_id, zone_id, instance_type, instance_name,
                              disk_size, disk_category, key_pair_name, tags):
    """
    创建多个ECS实例
    :param amount: 创建实例数 type-int 取值范围：[1, 100]
    :param ecs_client: 购买机器客户端连接
    :param image_id: 使用的镜像信息 type-string
    :param vswitch_id: 选择的交换机 type-string
    :param security_group_id: 当前vpc类型的安全组 type-string
    :param zone_id: 服务器所在区域 type-string
    :param instance_type: 实例规格 type-string
    :param instance_name: 实例命名 type-string
    :param disk_size: 磁盘大小，单位：G，type-string
    :param disk_category: 磁盘类型 type-string
    :param key_pair_name: 密钥对名称 type-string
    :param tags: 标签 type-list, eg: [{"Key": "ecs", "Value": "rov-server.prod"}, ...]
    :return:
    """
    logging.info(f"create instances start, request amount: {amount}.")
    # 1. 连接客户端
    # create_instances_clt = connect_client(
    #     access_key_id=access_key_id, access_key_secret=access_key_secret, region_id=region_id
    # )
    # 2. 请求参数配置
    request = build_create_instances_request(
        image_id=image_id, vswitch_id=vswitch_id, security_group_id=security_group_id, zone_id=zone_id,
        instance_type=instance_type, instance_name=instance_name, disk_size=disk_size, disk_category=disk_category,
        key_pair_name=key_pair_name, tags=tags
    )
    request.set_Amount(amount)
    # 3. 发送API请求，购买机器并启动
    response = send_request(ecs_client=ecs_client, request=request)
    if response.get('Code') is None:
        instance_ids = response.get('InstanceIdSets').get('InstanceIdSet')
        logging.info(f"success amount: {len(instance_ids)}, instance ids: {instance_ids}.")
        # 获取机器运行状态
        running_amount = 0
        while running_amount < amount:
            time.sleep(10)
            running_amount, running_instances = check_instance_running(ecs_client=ecs_client, instance_ids=instance_ids)
            logging.info(f"running amount: {running_amount}, running instances: {running_instances}.")
        return instance_ids
    else:
        # 失败，记录报错信息，发送通知，停止并退出
        logging.error(response)
        sys.exit()



def release_instances(ecs_client, instance_ids, force=False):
    """
    释放实例
    :param ecs_client:
    :param instance_ids: instance_id, type-list
    :param force: 是否强制释放, True-强制释放, False-正常释放, type-bool
    :return:
    """
    request = DeleteInstancesRequest()
    request.set_InstanceIds(instance_ids)
    request.set_Force(force)
    response = send_request(ecs_client=ecs_client, request=request)
    return response



def get_instances_status(ecs_client, instance_ids):
    """
    获取实例运行状态
    :param ecs_client:
    :param instance_ids: instance_id, type-list
    :return:
    """
    request = DescribeInstanceStatusRequest()
    request.set_InstanceIds(instance_ids)
    request.set_PageSize(50)
    response = send_request(ecs_client=ecs_client, request=request)
    return response



def stop_instances(ecs_client, instance_ids, force_stop=False):
    """
    停止实例
    :param ecs_client:
    :param instance_ids: 实例ID, type-list
    :param force_stop: 是否强制关机, True-强制关机, False-正常关机, type-bool
    :return:
    """
    request = StopInstancesRequest()
    request.set_InstanceIds(instance_ids)
    request.set_ForceStop(force_stop)
    response = send_request(ecs_client=ecs_client, request=request)
    return response




def send_request(ecs_client, request):
    """
    发送API请求
    :param ecs_client: 客户端连接
    :param request: 请求配置
    :return: response
    """
    request.set_accept_format('json')
    try:
        response = ecs_client.do_action_with_exception(request)
        response = json.loads(response)
        # logging.info(response)
        return response
    except Exception as e:
        # 失败，记录报错信息，发送通知，停止并退出
        logging.error(e)
        sys.exit()



def run_command(ecs_client, instance_ids, command):
    """
    批量执行命令
    :param ecs_client: 客户端连接
    :param instance_ids: 实例id列表, type-list, 最多能指定50台ECS实例ID
    :param command: 命令 type-string
    :return:
    """
    for i in range(len(instance_ids) // 50 + 1):
        instance_id_list = instance_ids[i * 50:(i + 1) * 50]
        if len(instance_id_list) == 0:
            return
        request = RunCommandRequest()
        request.set_accept_format('json')
        request.set_Type("RunShellScript")
        request.set_CommandContent(command)
        request.set_InstanceIds(instance_id_list)
        response = send_request(ecs_client=ecs_client, request=request)
        logging.info(response)


def send_file_to_ecs(ecs_client, instance_id_list, target_dir, name, content):
    """
    发送文件到ecs；alb应用，区分上方clb
    :param ecs_client:
    :param instance_id_list: 最多能指定50台ECS实例ID
    :param target_dir: 文件存放目录 type-string
    :param name: 文件名 type-string
    :param content: 文件内容 type-string
    :return:
    """
    if not instance_id_list:
        logging.warning("实例ID列表为空，无法发送文件。")
        return

    for i in range(len(instance_id_list) // 50 + 1):
        instance_ids = instance_id_list[i * 50:(i + 1) * 50]
        if len(instance_ids) == 0:
            logging.info("没有更多的实例ID需要发送文件，退出。")
            return
        request = SendFileRequest()
        request.set_Content(content)
        request.set_TargetDir(target_dir)
        request.set_Name(name)
        request.set_Overwrite(True)
        request.set_InstanceIds(instance_ids)
        try:
            logging.info(f"正在向实例 {instance_ids} 发送文件 '{name}' 到目录 '{target_dir}'")
            response = send_request(ecs_client=ecs_client, request=request)
            logging.info(f"成功发送文件到实例 {instance_ids}，响应: {response}")
        except Exception as e:
            logging.error(f"发送文件到实例 {instance_ids} 失败，错误: {str(e)}")



def add_servers_to_server_group(alb_client, server_group_id, instance_id, weight, port):
    """
    添加服务器到ALB服务器组
    :param alb_client: ALB客户端连接
    :param server_group_id: 服务器组ID
    :param instance_id: 实例ID
    :param weight: 权重
    :param port: 后端服务器使用的端口
    """
    server = alb_models.AddServersToServerGroupRequestServers(
        server_id=instance_id,
        server_type='ecs',
        weight=weight,
        port=port
    )
    request = alb_models.AddServersToServerGroupRequest(
        server_group_id=server_group_id,
        servers=[server]
    )
    runtime = util_models.RuntimeOptions()
    try:
        alb_client.add_servers_to_server_group_with_options(request, runtime)
        logging.info(f"Successfully added server {instance_id} to server group {server_group_id} with weight {weight}.")
    except Exception as e:
        logging.error(f"Failed to add server {instance_id} to server group {server_group_id}: {str(e)}")



def remove_servers_from_server_group(alb_client, server_group_id, instance_id, port):
    """
    从ALB服务器组中移除服务器
    :param alb_client: ALB客户端连接
    :param server_group_id: 服务器组ID
    :param instance_id: 实例ID
    :param port: 后端服务器使用的端口
    """
    server = alb_models.RemoveServersFromServerGroupRequestServers(
        port=port,
        server_id=instance_id,
        server_type='ecs'
    )
    request = alb_models.RemoveServersFromServerGroupRequest(
        server_group_id=server_group_id,
        servers=[server]
    )
    runtime = util_models.RuntimeOptions()
    try:
        alb_client.remove_servers_from_server_group_with_options(request, runtime)
        logging.info(f"Successfully removed server {instance_id} from server group {server_group_id}.")
    except Exception as e:
        logging.error(f"Failed to remove server {instance_id} from server group {server_group_id}: {str(e)}")

def list_server_group_servers(alb_client, server_group_id):
    """
    列出服务器组中的服务器并返回实例ID列表
    @param alb_client: ALB客户端
    @param server_group_id: 服务器组ID
    @return: 实例ID列表
    """
    list_server_group_servers_request = alb_20200616_models.ListServerGroupServersRequest(
        server_group_id=server_group_id
    )
    runtime = util_models.RuntimeOptions()

    try:
        response = alb_client.list_server_group_servers_with_options(list_server_group_servers_request, runtime)
        instance_ids = [server.server_id for server in response.body.servers]
        return instance_ids
    except Exception as error:
        print(str(error))
        UtilClient.assert_as_string(str(error))
        return []


async def list_server_group_servers_async(alb_client, server_group_id):
    """
    异步列出指定服务器组中的服务器并返回实例ID列表
    @param alb_client: ALB客户端
    @param server_group_id: 服务器组ID
    @return: 实例ID列表
    """
    list_server_group_servers_request = alb_20200616_models.ListServerGroupServersRequest(
        server_group_id=server_group_id
    )
    runtime = util_models.RuntimeOptions()

    try:
        response = await alb_client.list_server_group_servers_with_options_async(list_server_group_servers_request, runtime)
        instance_ids = [server.server_id for server in response.body.servers]
        return instance_ids
    except Exception as error:
        print(str(error))
        UtilClient.assert_as_string(str(error))
        return []


def update_server_group_server_weight(alb_client, server_group_id, instance_id, weight, port):
    """
    更新特定服务器在服务器组中的权重
    :param alb_client: ALB客户端
    :param server_group_id: 服务器组ID
    :param instance_id: 实例ID
    :param weight: 权重值
    :param port: 后端服务器使用的端口
    """
    server = alb_20200616_models.UpdateServerGroupServersAttributeRequestServers(
        server_type='Ecs',
        server_id=instance_id,
        weight=weight,
        port=port
    )
    request = alb_20200616_models.UpdateServerGroupServersAttributeRequest(
        servers=[server],
        server_group_id=server_group_id
    )
    runtime = util_models.RuntimeOptions()
    try:
        alb_client.update_server_group_servers_attribute_with_options(request, runtime)
        print(f"Successfully updated server {instance_id} in group {server_group_id} to weight {weight}.")
    except Exception as error:
        print(str(error))
        UtilClient.assert_as_string(str(error))

def update_server_group_servers_attribute(alb_client, server_group_id_list, instance_id_list, weight_list, port):
    """
    更新服务器组中的服务器权重
    :param alb_client: ALB客户端
    :param server_group_id_list: 服务器组ID列表
    :param instance_id_list: 实例ID列表
    :param weight_list: 权重修改列表 type-list [(weight, sleep_time), ...]
    :param port: 后端服务器使用的端口
    """
    for server_group_id in server_group_id_list:
        for instance_id in instance_id_list:
            for weight, sleep_time in weight_list:
                update_server_group_server_weight(alb_client, server_group_id, instance_id, weight, port)
                time.sleep(sleep_time)




async def update_server_group_server_weight_async(alb_client, server_group_id, instance_id, weight, port):
    """
    异步更新特定服务器在服务器组中的权重
    :param alb_client: ALB客户端
    :param server_group_id: 服务器组ID
    :param instance_id: 实例ID
    :param weight: 权重值
    :param port: 后端服务器使用的端口
    """
    server = alb_20200616_models.UpdateServerGroupServersAttributeRequestServers(
        server_type='Ecs',
        server_id=instance_id,
        weight=weight,
        port=port
    )
    request = alb_20200616_models.UpdateServerGroupServersAttributeRequest(
        servers=[server],
        server_group_id=server_group_id
    )
    runtime = util_models.RuntimeOptions()
    try:
        await alb_client.update_server_group_servers_attribute_with_options_async(request, runtime)
        print(f"Successfully updated server {instance_id} in group {server_group_id} to weight {weight} asynchronously.")
    except Exception as error:
        print(str(error))
        UtilClient.assert_as_string(str(error))

async def update_server_group_servers_attribute_async(alb_client, server_group_id_list, instance_ids, weight_list, port):
    """
    异步更新服务器组中的服务器属性
    :param alb_client: ALB客户端
    :param server_group_id_list: 服务器组ID列表
    :param instance_ids: 实例ID列表
    :param weight_list: 权重修改列表 type-list [(weight, sleep_time), ...]
    """
    tasks = []
    for server_group_id in server_group_id_list:
        for instance_id in instance_ids:
            for weight, sleep_time in weight_list:
                tasks.append(update_server_group_server_weight_async(alb_client, server_group_id, instance_id, weight, port))
                await asyncio.sleep(sleep_time)
    await asyncio.gather(*tasks)