update

ess_instance_rov_server.py

@@ -1,25 +1,94 @@
 import sys
+import os
 import asyncio
 import logging
+import time
+
 import utils
-from rov_server_update import ess_instance, slb_client_params, create_client_params
+import rov_server_config
+
+from concurrent.futures import ThreadPoolExecutor
+
+
+health_instances = []
+ess_instances = []
+
+
+async def ess_instance(create_client, slb_client, ess_count, max_workers):
+    """
+    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
+    :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,
+    )
+    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}"
+    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 = []
+    max_wait_time = 60
+    loop = asyncio.get_running_loop()
+    executor = ThreadPoolExecutor(max_workers=max_workers)
+    tasks = [
+        loop.run_in_executor(executor, utils.rov_server_health_check, *args) for args in
+        [(slb_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(60)
+        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=ess_instance_ids,
+        #                                   weight_list=add_weight_list)
+        global ess_instances
+        ess_instances.extend(ess_instance_ids)
+        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():
-    slb_client = utils.connect_client(access_key_id=slb_client_params['access_key_id'],
-                                      access_key_secret=slb_client_params['access_key_secret'],
-                                      region_id=slb_client_params['region_id'])
-    create_client = utils.connect_client(access_key_id=create_client_params['access_key_id'],
-                                         access_key_secret=create_client_params['access_key_secret'],
-                                         region_id=create_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(create_client=create_client, slb_client=slb_client,
-                             ess_count=ess_instance_count, max_workers=2))
-    logging.info(f"ess instances end!")
+    try:
+        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'])
+        # 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(create_client=create_client, slb_client=slb_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__':

rov_server_config.py

@@ -0,0 +1,49 @@
+import os
+
+
+slb_id = 'lb-bp1werfophtsjzfr76njm'
+# 修改负载均衡权限
+slb_client_params = {
+    'access_key_id': 'LTAIuPbTPL3LDDKN',
+    'access_key_secret': 'ORcNedKwWuwVtcq4IRFtUDZgS0b1le',
+    'region_id': 'cn-hangzhou'
+}
+# 购买机器权限
+create_client_params = {
+    'access_key_id': 'LTAI4GBWbFvvXoXsSVBe1o9f',
+    'access_key_secret': 'kRAikWitb4kDxaAyBqNrmLmllMEDO3',
+    'region_id': 'cn-hangzhou'
+}
+
+# 机器配置
+instance_config = {
+    # 使用的镜像信息
+    'image_id': 'm-bp1e5jx8eqhq22l91xw7',
+    # 设置实例规格
+    'instance_type': 'ecs.ic5.xlarge',
+    # 选择的交换机
+    'vswitch_id': 'vsw-bp19lpjwtc6j0p0m9mdc2',
+    # 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-rov-server-[1,2]',
+    # 服务器所在区域
+    'zone_id': 'cn-hangzhou-h',
+    # 磁盘类型：云盘
+    'disk_category': 'cloud_efficiency',
+    # 密钥
+    'key_pair_name': 'stuuudy'
+}
+
+# 服务启动脚本
+start_sh_dir = os.path.dirname(os.path.realpath(__file__))
+start_sh_filename = 'rov_server_start.sh'
+with open(file=os.path.join(start_sh_dir, start_sh_filename), mode='r', encoding='utf-8') as rf:
+    file_content = rf.read()
+start_sh = {
+    'target_dir': '/home/piaoquan_server_sh',
+    'name': start_sh_filename,
+    'content': file_content,
+}

utils.py

@@ -3,6 +3,7 @@ import json
 import sys
 import time
 import requests
+import asyncio
 
 from aliyunsdkcore.client import AcsClient
 from aliyunsdkecs.request.v20140526.RunInstancesRequest import RunInstancesRequest
@@ -309,3 +310,59 @@ def get_instances_status(client, instance_ids):
     request.set_InstanceIds(instance_ids)
     response = send_request(client=client, request=request)
     return response
+
+
+def rov_server_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：ms
+    :return:
+    """
+    global health_instances
+    start_time = time.time()
+    ip_address = 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))
+            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) * 1000 >= max_wait_time:
+                logging.info(f"health check error, instance: {instance_id}/{ip_address}")
+                break
+            else:
+                await asyncio.sleep(10)
+        else:
+            # time.sleep(20)
+            await asyncio.sleep(10)
+
+
+def set_instance_weight_process(client, slb_id, instance_id_list, weight_list):
+    """
+    修改服务器的权重值
+    :param client: slb客户端连接
+    :param slb_id: slb id
+    :param instance_id_list: instance id list
+    :param weight_list: 权重修改列表 type-list [(weight, sleep_time), ...]
+    :return:
+    """
+    for weight, sleep_time in weight_list:
+        flag = True
+        while flag:
+            try:
+                set_weight_for_instances(client=client, slb_id=slb_id, instance_id_list=instance_id_list, weight=weight)
+                time.sleep(sleep_time)
+                flag = False
+            except Exception as e:
+                time.sleep(10)
+                continue