add rov_server_grayscale_update_for_pressure_test.py

rov_server_grayscale_update_for_pressure_test.py

@@ -0,0 +1,171 @@
+import sys
+import time
+import requests
+import utils
+import logging
+import os
+import docker
+import rov_server_config
+
+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)
+
+
+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
+
+
+def update_instance(create_client, slb_client, instance_id, instance_ip, version, online_instance_ids):
+    """
+    线上机器更新
+    :param create_client:
+    :param slb_client: slb客户端连接
+    :param instance_id: instanceId
+    :param version: 版本标记
+    :return:
+    """
+    logging.info(f"update instance: {instance_id}")
+    # 1. 添加至slb
+    if instance_id not in online_instance_ids:
+        utils.add_backend_servers(client=slb_client, slb_id=rov_server_config.slb_id,
+                                  instances=[(instance_id, instance_ip)])
+    # 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'
+    remove_container_image(slb_client, instance_id, container_name)
+    logging.info(f"remove container & images finished, instances: {remove_container_instances}, "
+                 f"count: {len(remove_container_instances)}")
+    if len(remove_container_instances) == 0:
+        logging.error(f"remove container image failed| ")
+        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], **rov_server_config.start_sh)
+    logging.info(f"send start shell file finished, instance: {instance_id}")
+    # 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], command=server_start_commend)
+    # 5. 探活
+    global health_instances
+    health_instances = []
+    server_health_check(slb_client, instance_id)
+    logging.info(f"health instances: {health_instances}, count: {len(health_instances)}")
+    if len(health_instances) == 0:
+        logging.info(f"health instances: {health_instances}, count: {len(health_instances)}")
+        sys.exit()
+    # 机器探活成功
+    time.sleep(60)
+    # 6. 从slb移除
+    utils.remove_backend_servers(client=slb_client, slb_id=rov_server_config.slb_id, instances=[instance_id])
+    logging.info(f"finished instances: {health_instances}")
+
+
+def main():
+    try:
+        version = sys.argv[1]
+        instance_id = sys.argv[2]
+        instance_ip = sys.argv[2]
+        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. 对指定机器进行更新
+        logging.info(f"update instance start ...")
+        update_instance(create_client=create_client,
+                        slb_client=slb_client,
+                        instance_id=instance_id,
+                        instance_ip=instance_ip,
+                        version=version,
+                        online_instance_ids=online_instance_ids)
+        logging.info(f"update instance end!")
+
+    except Exception as e:
+        logging.error(e)
+        sys.exit()
+
+
+if __name__ == '__main__':
+    main()