update

longvideoapi/longvideoapi_config.py

@@ -148,6 +148,29 @@ instance_config_k = {
     'tags': [{"Key": "ecs", "Value": "longvideoapi.prod"},{"Key": "o11y.aliyun.dev/prod", "Value": "longvideoapi"}]
 }
 
+instance_config_k_c7_2xlarge = {
+    # 使用的镜像信息
+    'image_id': 'm-bp12bkuvg20k6ueqmb4v',
+    # 设置实例规格
+    'instance_type': 'ecs.c7.2xlarge',
+    # 选择的交换机
+    'vswitch_id': 'vsw-bp14e4xu6uzte9nyn6nvr',
+    # 当前VPC类型的安全组
+    'security_group_id': 'sg-bp1irhrkr4vfj272hk4y',
+    # 硬盘的大小，单位：G
+    'disk_size': '200',
+    # 服务器命名
+    'instance_name': 'ESS-longvideoapi-alb-[1,2]',
+    # 服务器所在区域
+    'zone_id': 'cn-hangzhou-k',
+    # 磁盘类型：云盘
+    'disk_category': 'cloud_efficiency',
+    # 密钥
+    'key_pair_name': 'stuuudy',
+    # tag
+    'tags': [{"Key": "ecs", "Value": "longvideoapi.prod"},{"Key": "o11y.aliyun.dev/prod", "Value": "longvideoapi"}]
+}
+
 # 机器配置_hangzhou_k alb
 instance_config_k_alb = {
     # 使用的镜像信息

longvideoapi/longvideoapi_scaling_k_count_c7_2xlarge.py

@@ -0,0 +1,132 @@
+import sys
+import os
+import asyncio
+import logging
+import time
+import requests
+import utils
+import longvideoapi_config
+from concurrent.futures import ThreadPoolExecutor
+
+health_instances = []
+
+
+def longvideoapi_health_check(ecs_client, instance_id, max_wait_time=None):
+    """
+    服务健康检查
+    :param ecs_client: 客户端连接
+    :param instance_id: instanceId
+    :param max_wait_time: 最长等待时间，单位：s
+    :return:
+    """
+    global health_instances
+    start_time = time.time()
+    ip_address = utils.get_ip_address(ecs_client=ecs_client, instance_id=instance_id)
+    while True:
+        health_check_url = f"http://{ip_address}:8080/longvideoapi/test"
+        try:
+            http_code = requests.get(health_check_url).status_code
+        except:
+            logging.info(f"images is downloading ip: {ip_address}")
+            http_code = 0
+
+        if http_code == 200:
+            health_instances.append((instance_id, ip_address))
+            logging.info(f"health check success, instance: {instance_id}/{ip_address}")
+            break
+        elif max_wait_time is not None:
+            now = time.time()
+            if (now - start_time) >= max_wait_time:
+                logging.info(f"health check error, instance: {instance_id}/{ip_address}")
+                break
+            else:
+                time.sleep(10)
+        else:
+            time.sleep(10)
+
+
+async def ess_instance(ecs_client, alb_client, ess_count, max_workers, port):
+    """
+    扩容机器并运行新服务
+    :param ecs_client: 购买机器客户端连接
+    :param alb_client: 修改负载均衡权限
+    :param ess_count: 扩容数量
+    :param max_workers: 线程数
+    :param port: 后端服务器使用的端口
+    :return:
+    """
+    # 1. 购买机器并启动
+    ess_instance_ids = utils.create_multiple_instances(
+        amount=ess_count,
+        ecs_client=ecs_client,
+        **longvideoapi_config.instance_config_k_c7_2xlarge,
+    )
+    time.sleep(60)
+
+    # 2. 发送启动脚本到机器上
+    utils.send_file_to_ecs(ecs_client=ecs_client, instance_id_list=ess_instance_ids, **longvideoapi_config.start_sh)
+    logging.info(f"send start shell file finished, count: {len(ess_instance_ids)} instances: {ess_instance_ids}")
+    # 3. 启动服务
+    start_sh_param = "latest"
+    server_start_sh = os.path.join(longvideoapi_config.start_sh['target_dir'], longvideoapi_config.start_sh['name'])
+    server_start_commend = f"sh {server_start_sh} {start_sh_param}"
+    utils.run_command(ecs_client=ecs_client, instance_ids=ess_instance_ids, command=server_start_commend)
+    # 4. 异步探活
+    global health_instances
+    health_instances = []
+    max_wait_time = 360
+    loop = asyncio.get_running_loop()
+    executor = ThreadPoolExecutor(max_workers=max_workers)
+    tasks = [
+        loop.run_in_executor(executor, longvideoapi_health_check, *args) for args in
+        [(ecs_client, instance_id, max_wait_time) for instance_id in ess_instance_ids]
+    ]
+    await asyncio.wait(tasks)
+    logging.info(f"health instances count: {len(health_instances)}, {health_instances}")
+
+    # 5. 挂载流量到ALB
+    if len(health_instances) > 0:
+        # 所有机器探活成功
+        time.sleep(20)
+        # instance_id_list = []
+        # for instance_id, ip in health_instances:
+        #     instance_id_list.append(instance_id)
+        # #     for server_group_id in longvideoapi_config.server_group_id_list:
+        health_instance_ids = [instance_id for instance_id, _ in health_instances]
+        utils.add_servers_to_server_group(alb_client, longvideoapi_config.server_group_id_list, health_instance_ids, weight=100, port=port)
+        logging.info(f"ess count: {ess_count}, "
+                     f"create count: {len(ess_instance_ids)}, "
+                     f"finished count: {len(health_instances)}")
+    else:
+        logging.info(f"ess count: {ess_count}, "
+                     f"create count: {len(ess_instance_ids)}, "
+                     f"health count: {len(health_instances)}")
+        sys.exit()
+
+
+
+def main():
+    try:
+        ecs_client = utils.connect_client(access_key_id=longvideoapi_config.ecs_client_params['access_key_id'],
+                                          access_key_secret=longvideoapi_config.ecs_client_params['access_key_secret'],
+                                          region_id=longvideoapi_config.ecs_client_params['region_id'])
+        alb_client = utils.connect_alb_client(
+            access_key_id=longvideoapi_config.alb_client_params['access_key_id'],
+            access_key_secret=longvideoapi_config.alb_client_params['access_key_secret'],
+            endpoint=longvideoapi_config.alb_client_params['endpoint']
+        )
+        # 获取批量创建ECS实例的数量
+        ess_instance_count = int(sys.argv[1])
+        # 扩容机器并启动服务
+        logging.info(f"ess instances start ...")
+        logging.info(f"ess instance count: {ess_instance_count}")
+        asyncio.run(ess_instance(ecs_client=ecs_client,
+                                 alb_client=alb_client,
+                                 ess_count=ess_instance_count, max_workers=2, port=longvideoapi_config.port))
+        logging.info(f"ess instances end!")
+    except Exception as e:
+        logging.error(e)
+
+
+if __name__ == '__main__':
+    main()