add commonapi_scaling_h_count

commonapi/commonapi_scaling_h_count.py

@@ -0,0 +1,132 @@
+import sys
+import os
+import asyncio
+import logging
+import time
+import requests
+
+import clb_utils
+import commonapi_config
+
+from concurrent.futures import ThreadPoolExecutor
+
+
+health_instances = []
+
+
+def commonapi_health_check(client, instance_id, max_wait_time=None):
+    """
+    服务健康检查
+    :param 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 = clb_utils.get_ip_address(client=client, instance_id=instance_id)
+    while True:
+        health_check_url = f"http://{ip_address}:8182/commonapi/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, clb_client, ess_count, max_workers):
+    """
+    扩容机器并运行新服务
+    :param ecs_client: 购买机器客户端连接
+    :param clb_client: 修改负载均衡权限
+    :param ess_count: 扩容数量
+    :param max_workers: 线程数
+    :return:
+    """
+    # 1. 购买机器并启动
+    ess_instance_ids = clb_utils.create_multiple_instances(
+        amount=ess_count,
+        client=ecs_client,
+        **commonapi_config.instance_config_h,
+    )
+    time.sleep(60)
+
+    # 2. 发送启动脚本到机器上
+    clb_utils.send_file_to_ecs(client=ecs_client, instance_id_list=ess_instance_ids, **commonapi_config.start_sh)
+    logging.info(f"send start shell file finished, instances: {ess_instance_ids}")
+    # 3. 启动服务
+    start_sh_param = "latest"
+    server_start_sh = os.path.join(commonapi_config.start_sh['target_dir'], commonapi_config.start_sh['name'])
+    server_start_commend = f"sh {server_start_sh} {start_sh_param}"
+    clb_utils.run_command(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 = 180
+    loop = asyncio.get_running_loop()
+    executor = ThreadPoolExecutor(max_workers=max_workers)
+    tasks = [
+        loop.run_in_executor(executor, commonapi_health_check, *args) for args in
+        [(clb_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
+    if len(health_instances) > 0:
+        # 所有机器探活成功
+        time.sleep(20)
+        clb_utils.add_backend_servers_with_clbs(client=clb_client,
+                                            clb_id_list=commonapi_config.clb_id_list,
+                                            instances=health_instances)
+        add_weight_list = [(10, 5), (20, 5), (40, 5), (60, 5), (80, 5), (100, 5)]
+        health_instance_ids = [instance_id for instance_id, _ in health_instances]
+        clb_utils.set_instance_weight_process_with_clbs(client=clb_client,
+                                                    clb_id_list=commonapi_config.clb_id_list,
+                                                    instance_id_list=health_instance_ids,
+                                                    weight_list=add_weight_list)
+        logging.info(f"ess count: {ess_count}, "
+                     f"create count: {len(ess_instance_ids)}, "
+                     f"finished count: {len(health_instance_ids)}")
+    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:
+        clb_client = clb_utils.connect_client(access_key_id=commonapi_config.clb_client_params['access_key_id'],
+                                          access_key_secret=commonapi_config.clb_client_params['access_key_secret'],
+                                          region_id=commonapi_config.clb_client_params['region_id'])
+        ecs_client = clb_utils.connect_client(access_key_id=commonapi_config.ecs_client_params['access_key_id'],
+                                             access_key_secret=commonapi_config.ecs_client_params['access_key_secret'],
+                                             region_id=commonapi_config.ecs_client_params['region_id'])
+        # 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, clb_client=clb_client,
+                                 ess_count=ess_instance_count, max_workers=2))
+        logging.info(f"ess instances end!")
+    except Exception as e:
+        logging.error(e)
+
+
+if __name__ == '__main__':
+    main()