add longvideo_reduce_with_count.py

longvideo_reduce_with_count.py

@@ -0,0 +1,94 @@
+import sys
+import time
+import utils
+import longvideo_config
+import logging
+
+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 remove_instances(create_client, alb_client, instance_ids):
+    """
+    停止并释放机器
+    :param create_client:
+    :param alb_client:
+    :param instance_ids: instanceId type-list
+    :return: None
+    """
+    # 1. 摘除 ALB
+    for server_group_id in longvideo_config.server_group_id_list:
+        utils.remove_servers_from_server_group(alb_client=alb_client, server_group_id=server_group_id,
+                                               instance_id=instance_ids)
+    logging.info(f"remove from ALB finished, instances: {instance_ids}")
+
+    time.sleep(10)
+
+    # 2. 停止机器
+    utils.stop_instances(client=create_client, instance_ids=instance_ids)
+    logging.info(f"instances stop finished, instances: {instance_ids}")
+
+    # 3. 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')
+            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(5)
+        else:
+            logging.error(response)
+            sys.exit()
+
+    # 4. 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:
+        alb_client = utils.connect_alb_client(
+            access_key_id=longvideo_config.alb_client_params['access_key_id'],
+            access_key_secret=longvideo_config.alb_client_params['access_key_secret']
+        )
+        create_client = utils.connect_client(
+            access_key_id=longvideo_config.create_client_params['access_key_id'],
+            access_key_secret=longvideo_config.create_client_params['access_key_secret'],
+            region_id=longvideo_config.create_client_params['region_id']
+        )
+
+        # 获取指定释放的机器数量
+        reduce_count = int(sys.argv[1])
+        logging.info(f"reduce instances count: {reduce_count}")
+
+        # 获取 ALB 下所有机器
+        online_instance_ids = utils.get_instance_ids(client=alb_client, server_group_id=longvideo_config.server_group_id_list[0])
+        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}")
+
+        # 获取前 count 台机器进行释放
+        reduce_instance_ids = online_instance_ids[:reduce_count]
+        logging.info(f"reduce instances: {reduce_instance_ids}")
+
+        # 停止并释放机器
+        remove_instances(create_client=create_client, alb_client=alb_client, instance_ids=reduce_instance_ids)
+        logging.info(f"stop & release instances end!")
+    except Exception as e:
+        logging.error(e)
+        sys.exit()
+
+
+
+if __name__ == '__main__':
+    main()