add rov_server_update_i.py

rov_server_update_i.py

@@ -0,0 +1,310 @@
+import asyncio
+import sys
+import time
+import requests
+import utils
+import logging
+import os
+import docker
+import rov_server_config
+
+from concurrent.futures import ThreadPoolExecutor
+
+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')
+
+health_instances = []
+ess_instances = []
+remove_container_instances = []
+
+
+def server_health_check(client, instance_id):
+    """
+    服务健康检查
+    :param client: 客户端连接
+    :param instance_id: instanceId
+    :return:
+    """
+    global health_instances
+    ip_address = utils.get_ip_address(client=client, instance_id=instance_id)
+    while True:
+        health_check_url = f"http://{ip_address}:5001/healthcheck"
+        try:
+            http_code = requests.get(health_check_url).status_code
+        except:
+            logging.info("images is downloading")
+            http_code = 0
+
+        if http_code == 200:
+            health_instances.append((instance_id, ip_address))
+            break
+        else:
+            time.sleep(10)
+
+
+async def ess_instance(create_client, slb_client, ess_count, max_workers, version):
+    """
+    扩容机器并运行新服务
+    :param create_client: 购买机器客户端连接
+    :param slb_client: 修改负载均衡权限
+    :param ess_count: 扩容数量
+    :param max_workers: 线程数
+    :param version: 版本标记
+    :return:
+    """
+    # 1. 购买机器并启动
+    ess_instance_ids = utils.create_multiple_instances(
+        amount=ess_count,
+        client=create_client,
+        **rov_server_config.instance_config_i,
+    )
+    time.sleep(60)
+
+    # 2. 发送启动脚本到机器上
+    utils.send_file_to_ecs(client=create_client, instance_id_list=ess_instance_ids, **rov_server_config.start_sh)
+    logging.info(f"send start shell file finished, instances: {ess_instance_ids}")
+    # 3. 启动服务
+    server_start_sh = os.path.join(rov_server_config.start_sh['target_dir'], rov_server_config.start_sh['name'])
+    server_start_commend = f"sh {server_start_sh} {version}"
+    utils.run_command(client=create_client, instance_ids=ess_instance_ids, command=server_start_commend)
+    # 4. 异步探活
+    global health_instances
+    health_instances = []
+    loop = asyncio.get_running_loop()
+    executor = ThreadPoolExecutor(max_workers=max_workers)
+    tasks = [
+        loop.run_in_executor(executor, server_health_check, *args) for args in
+        [(slb_client, instance_id) 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) == len(ess_instance_ids):
+        # 所有机器探活成功
+        time.sleep(60)
+        utils.add_backend_servers(client=slb_client, slb_id=rov_server_config.slb_id, instances=health_instances)
+        health_instance_ids = [instance_id for instance_id, _ in health_instances]
+        add_weight_list = [(10, 30), (20, 20), (40, 10), (60, 10), (80, 10), (100, 10)]
+        utils.set_instance_weight_process(client=slb_client,
+                                          slb_id=rov_server_config.slb_id,
+                                          instance_id_list=health_instance_ids,
+                                          weight_list=add_weight_list)
+        global ess_instances
+        ess_instances.extend(health_instance_ids)
+        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 remove_container_image(client, instance_id, container_name):
+    """
+    移除旧容器并删除旧镜像
+    :param client: 客户端连接
+    :param instance_id: instanceId type-string
+    :param container_name: 容器名称 type-string
+    :return:
+    """
+    ip_address = utils.get_ip_address(client=client, instance_id=instance_id)
+    logging.info(f"服务器信息：{instance_id}/{ip_address}")
+    client = docker.DockerClient(base_url=f'tcp://{ip_address}:2375', timeout=60)
+    # 移除旧的容器
+    container_remove_retry = 3
+    i = 0
+    while True:
+        if i >= container_remove_retry:
+            logging.error(f"容器不存在或者无法删除当前容器, instance = {instance_id}/{ip_address}")
+            sys.exit()
+        try:
+            container_id = client.containers.get(container_name)
+            container_id.remove(force=True)
+            break
+        except Exception as e:
+            i += 1
+
+    # 删除旧镜像
+    images_remove_retry = 3
+    j = 0
+    while True:
+        if j >= images_remove_retry:
+            logging.error(f"镜像不存在，无法获取到镜像ID, instance = {instance_id}/{ip_address}")
+            sys.exit()
+        try:
+            images = client.images.list()
+            for image in images:
+                client.images.remove(force=True, image=image.tags[0])
+                time.sleep(2)
+            global remove_container_instances
+            remove_container_instances.append(instance_id)
+            break
+        except Exception as e:
+            i += 1
+
+
+async def update_instance(create_client, slb_client, instance_ids, max_workers, version):
+    """
+    线上机器更新
+    :param create_client:
+    :param slb_client: slb客户端连接
+    :param instance_ids: instanceId type-list
+    :param max_workers:
+    :param version: 版本标记
+    :return:
+    """
+    media_index = len(instance_ids)//2
+    instance_ids_group = [instance_ids[:media_index], instance_ids[media_index:]]
+    update_finished_count = 0
+    for instance_id_list in instance_ids_group:
+        logging.info(f"update instances: {instance_id_list}")
+        # 1. 摘流量
+        utils.set_instance_weight_process(client=slb_client,
+                                          slb_id=rov_server_config.slb_id,
+                                          instance_id_list=instance_id_list,
+                                          weight_list=[(0, 60)])
+        logging.info(f"set weight with 0 finished, instances: {instance_id_list}")
+        # 2. 异步移除旧容器并删除旧镜像
+        global remove_container_instances
+        remove_container_instances = []
+        container_name = 'rov-server'
+        loop = asyncio.get_running_loop()
+        executor = ThreadPoolExecutor(max_workers=max_workers)
+        tasks = [
+            loop.run_in_executor(executor, remove_container_image, *args) for args in
+            [(slb_client, instance_id, container_name) for instance_id in instance_id_list]
+        ]
+        await asyncio.wait(tasks)
+        logging.info(f"remove container & images finished, instances: {remove_container_instances},"
+                     f" count: {len(remove_container_instances)}")
+        if len(remove_container_instances) < len(instance_id_list):
+            logging.error(f"remove container image failed| "
+                          f"request count: {len(instance_id_list)}, removed count: {len(remove_container_instances)}")
+            sys.exit()
+        # 3. 发送启动脚本到机器上
+        utils.send_file_to_ecs(client=create_client, instance_id_list=instance_id_list, **rov_server_config.start_sh)
+        logging.info(f"send start shell file finished, instances: {instance_id_list}, count: {len(instance_id_list)}")
+        # 4. 启动服务
+        server_start_sh = os.path.join(rov_server_config.start_sh['target_dir'], rov_server_config.start_sh['name'])
+        server_start_commend = f"sh {server_start_sh} {version}"
+        utils.run_command(client=create_client, instance_ids=instance_id_list, command=server_start_commend)
+        # 5. 异步探活
+        global health_instances
+        health_instances = []
+        loop = asyncio.get_running_loop()
+        executor = ThreadPoolExecutor(max_workers=max_workers)
+        tasks = [
+            loop.run_in_executor(executor, server_health_check, *args) for args in
+            [(slb_client, instance_id) for instance_id in instance_id_list]
+        ]
+        await asyncio.wait(tasks)
+        logging.info(f"health instances: {health_instances}, count: {len(health_instances)}")
+        # 6. 挂载流量
+        if len(health_instances) == len(instance_id_list):
+            # 所有机器探活成功
+            time.sleep(60)
+            utils.add_backend_servers(client=slb_client, slb_id=rov_server_config.slb_id, instances=health_instances)
+            health_instance_ids = [instance_id for instance_id, _ in health_instances]
+            add_weight_list = [(10, 30), (20, 20), (40, 10), (60, 10), (80, 10), (100, 10)]
+            utils.set_instance_weight_process(client=slb_client,
+                                              slb_id=rov_server_config.slb_id,
+                                              instance_id_list=health_instance_ids,
+                                              weight_list=add_weight_list)
+            logging.info(f"finished instances: {health_instances}, count: {len(health_instances)}")
+            update_finished_count += len(health_instances)
+            logging.info(f"update finished: {update_finished_count}/{len(instance_ids)}")
+        else:
+            logging.info(f"health instances: {health_instances}, count: {len(health_instances)}")
+            sys.exit()
+
+
+def remove_instances(create_client, slb_client, instance_ids):
+    """
+    停止并释放机器
+    :param create_client:
+    :param slb_client:
+    :param instance_ids: instanceId type-list
+    :return: None
+    """
+    # 1. 摘流量
+    utils.set_instance_weight_process(client=slb_client,
+                                      slb_id=rov_server_config.slb_id,
+                                      instance_id_list=instance_ids,
+                                      weight_list=[(0, 60)])
+    logging.info(f"set weight = 0 finished, instances: {instance_ids}")
+    time.sleep(10)
+    # 2.移除slb
+    utils.remove_backend_servers(client=slb_client, slb_id=rov_server_config.slb_id, instances=instance_ids)
+    # 3. 停止机器
+    utils.stop_instances(client=create_client, instance_ids=instance_ids)
+    logging.info(f"instances stop finished, instances: {instance_ids}")
+    # 4. 判断机器运行状态是否为Stopped
+    while True:
+        response = utils.get_instances_status(client=create_client, instance_ids=instance_ids)
+        if response.get('Code') is None:
+            instances_list = response.get('InstanceStatuses').get('InstanceStatus')
+            # logging.info(instances_list)
+            stopped_instances = [instance.get('InstanceId') for instance in instances_list
+                                 if instance.get('Status') == 'Stopped']
+            if len(stopped_instances) == len(instance_ids):
+                logging.info(f"instances stopped status set success, instances: {stopped_instances}")
+                break
+            else:
+                logging.info(f"stopped instances count = {len(stopped_instances)}, instances: {stopped_instances}")
+                time.sleep(10)
+        else:
+            logging.error(response)
+            sys.exit()
+    # 5. 释放机器
+    response = utils.release_instances(client=create_client, instance_ids=stopped_instances)
+    if response.get('Code') is None:
+        logging.info(f"release instances finished, instances: {stopped_instances}")
+    else:
+        logging.error(f"release instances fail!!!")
+        sys.exit()
+
+
+def main():
+    try:
+        version = sys.argv[1]
+        slb_client = utils.connect_client(access_key_id=rov_server_config.slb_client_params['access_key_id'],
+                                          access_key_secret=rov_server_config.slb_client_params['access_key_secret'],
+                                          region_id=rov_server_config.slb_client_params['region_id'])
+        create_client = utils.connect_client(access_key_id=rov_server_config.create_client_params['access_key_id'],
+                                             access_key_secret=rov_server_config.create_client_params['access_key_secret'],
+                                             region_id=rov_server_config.create_client_params['region_id'])
+
+        # 1. 获取slb下所有机器
+        online_instance_ids = utils.get_instance_ids(client=slb_client, slb_id=rov_server_config.slb_id)
+        online_instance_count = len(online_instance_ids)
+        logging.info(f"online instance count: {online_instance_count}.")
+        logging.info(f"online instance ids: {online_instance_ids}")
+
+        # 2. 扩容机器并启动新服务 扩容数量：线上机器数量//2
+        logging.info(f"ess instances start ...")
+        ess_instance_count = online_instance_count // 2
+        logging.info(f"ess instance count: {ess_instance_count}")
+        asyncio.run(ess_instance(create_client=create_client, slb_client=slb_client,
+                                 ess_count=ess_instance_count, max_workers=2, version=version))
+        logging.info(f"ess instances end!")
+
+        # 3. 原有机器进行更新
+        logging.info(f"update online instances start ...")
+        asyncio.run(update_instance(create_client=create_client, slb_client=slb_client,
+                                    instance_ids=online_instance_ids, max_workers=2, version=version))
+        logging.info(f"update online instances end!")
+
+        # 4. 停止并释放扩容机器
+        logging.info(f"stop & release instances start ...")
+        remove_instances(create_client=create_client, slb_client=slb_client, instance_ids=ess_instances)
+        logging.info(f"stop & release instances end!")
+    except Exception as e:
+        logging.error(e)
+        sys.exit()
+
+
+if __name__ == '__main__':
+    main()