介绍如何使用Python SDK给一个SLB实例创建一个HTTPS监听,并更新该实例下HTTPS监听使用的服务器证书。
背景信息
- 在华北3张家口地域创建一个名为SLB1的SLB实例,主可用区为cn-zhangjiakou-a,备可用区为cn-zhangjiakou-b,实例计费类型为按量计费,规格为slb.s1.small,其他配置使用系统默认值。
- 将张家口地域的两台ECS实例添加到默认服务器组,用来分发流量,ECS实例的后端服务权重都为100。
- 上传服务器证书。
- 创建HTTPS监听,SLB实例前端使用的端口为80,后端服务器开放用来接收请求的端口为443,关闭健康检查和会话保持,监听带宽峰值为6 Mbps,其他使用默认值。
- 上传新的服务器证书。
- 更新新建HTTPS监听的服务器证书。
- 删除新建的SLB实例。
操作步骤
- 在下载的SDK目录中,打开aliyun-openapi-python-sdk-examples\sdk_examples\examples\slb文件夹。
- 使用编辑器打开upload_server_certificate.py文件,您需要配置用户鉴权参数ACS_CLIENT,其他参数根据实际情况配置后,保存退出。说明 因为用户鉴权是每个SDK必须执行的操作,所以可以在常量文件中配置AcsClient参数的值,在场景代码中调用常量文件。
# encoding=utf-8 import sys import json # 调用AcsClient参数进行身份验证 from aliyunsdkcore.client import AcsClient # 使用阿里云官方sdk的异常处理模块 from aliyunsdkcore.acs_exception.exceptions import ServerException, ClientException # 调用上传证书的API from aliyunsdkslb.request.v20140515 import UploadServerCertificateRequest # 调用创建SLB实例API from aliyunsdkslb.request.v20140515 import CreateLoadBalancerRequest # 调用添加默认服务器组API from aliyunsdkslb.request.v20140515 import AddBackendServersRequest # 调用创建HTTPS监听的API from aliyunsdkslb.request.v20140515 import CreateLoadBalancerHTTPSListenerRequest # 调用修改HTTPS监听的API from aliyunsdkslb.request.v20140515 import SetLoadBalancerHTTPSListenerAttributeRequest # 调用删除SLB实例API from aliyunsdkslb.request.v20140515 import DeleteLoadBalancerRequest ##异常处理逻辑 from sdk_lib.exception import ExceptionHandler # 命令行导入日志 from sdk_lib.common_util import CommonUtil # 用户身份鉴权参数配置 ACS_CLIENT = AcsClient( 'your-access-key-id', # your-access-key-id 'your-access-key-secret', # your-access-key-secret 'cn-zhangjiakou', # your-region-id ) # 失败重试次数 TRY_TIME = 3 ''' 创建slb实例->上传服务器证书->创建https监听->上传新的服务器证书 ->循环修改https监听配置 ''' def create_load_balancer(params): ''' create_load_balancer:创建slb实例 官网API参考链接:https://help.aliyun.com/document_detail/27577.html ''' try: # 设置创建SLB实例的调用参数 request = CreateLoadBalancerRequest.CreateLoadBalancerRequest() request.set_MasterZoneId(params["master_zone_id"]) request.set_SlaveZoneId(params["slave_zone_id"]) request.set_LoadBalancerName(params["load_balancer_name"]) request.set_PayType(params["pay_balancer_type"]) # 发送调用请求并接收返回数据 response = ACS_CLIENT.do_action_with_exception(request) response_json = json.loads(response) # 返回结果 return response_json except ServerException as e: ExceptionHandler.server_exception(e) except ClientException as e: ExceptionHandler.client_exception(e) def add_backend_servers(params): ''' add_backend_servers:添加后端服务器 官网API参考链接: https://help.aliyun.com/document_detail/27632.html ''' counter = 0 while counter < TRY_TIME: try: # 设置添加默认服务器组的调用参数 request = AddBackendServersRequest.AddBackendServersRequest() # 负载均衡实例的ID request.set_LoadBalancerId(params["load_balancer_id"]) # 要添加的后端服务器列表 request.set_BackendServers(params["backend_servers"]) # 发送调用请求并接收返回数据 response = ACS_CLIENT.do_action_with_exception(request) response_json = json.loads(response) # 返回结果 return response_json except ServerException as e: if ExceptionHandler.server_exception(e): return e except ClientException as e: if ExceptionHandler.client_exception(e): return e finally: counter += 1 def upload_server_certificate(params): ''' upload_server_certificate:上传服务器证书 官网API参考链接: https://help.aliyun.com/document_detail/34181.html ''' counter = 0 while counter < TRY_TIME: try: request = UploadServerCertificateRequest.UploadServerCertificateRequest() # 要上传的公钥证书 request.set_ServerCertificate(params["server_certificate"]) # 需要上传的私钥 request.set_PrivateKey(params["private_key"]) # 发送调用请求并接收返回数据 response = ACS_CLIENT.do_action_with_exception(request) response_json = json.loads(response) # 返回结果 return response_json except ServerException as e: ExceptionHandler.server_exception(e) except ClientException as e: ExceptionHandler.client_exception(e) finally: counter += 1 def create_https_listener(params): ''' create_https_listener:创建HTTPS监听 官网API参考链接: https://help.aliyun.com/document_detail/27593.html ''' counter = 0 while counter < TRY_TIME: try: request = CreateLoadBalancerHTTPSListenerRequest.CreateLoadBalancerHTTPSListenerRequest() # 负载均衡实例的ID request.set_LoadBalancerId(params["load_balancer_id"]) # 监听的带宽峰值 request.set_Bandwidth(params["bandwidth"]) # 负载均衡实例前端使用的端口 request.set_ListenerPort(params["listener_port"]) # 是否开启健康检查 request.set_HealthCheck(params["health_check"]) # 是否开启会话保持 request.set_StickySession(params["sticky_session"]) # 负载均衡实例后端使用的端口 request.set_BackendServerPort(params["backend_server_port"]) # 服务器证书的ID request.set_ServerCertificateId(params["server_certificate_id"]) # 发送调用请求并接收返回数据 response = ACS_CLIENT.do_action_with_exception(request) response_json = json.loads(response) # 返回结果 return response_json except ServerException as e: ExceptionHandler.server_exception(e) except ClientException as e: ExceptionHandler.client_exception(e) finally: counter += 1 def set_https_listener_attribute(params): ''' set_https_listener_attribute:修改HTTPS监听的配置 官网API参考链接: https://help.aliyun.com/document_detail/27603.html ''' counter = 0 while counter < TRY_TIME: try: request = SetLoadBalancerHTTPSListenerAttributeRequest.SetLoadBalancerHTTPSListenerAttributeRequest() # 负载均衡实例的ID request.set_LoadBalancerId(params["load_balancer_id"]) # 监听的带宽峰值 request.set_Bandwidth(params["bandwidth"]) # 负载均衡实例前端使用的端口 request.set_ListenerPort(params["listener_port"]) # 是否开启健康检查 request.set_HealthCheck(params["health_check"]) # 是否开启会话保持 request.set_StickySession(params["sticky_session"]) # 服务器证书的ID request.set_ServerCertificateId(params["server_certificate_id"]) # 发送调用请求并接收返回数据 response = ACS_CLIENT.do_action_with_exception(request) response_json = json.loads(response) # 返回结果 return response_json except ServerException as e: ExceptionHandler.server_exception(e) except ClientException as e: ExceptionHandler.client_exception(e) finally: counter += 1 def delete_load_balancer(load_balancer_id): ''' delete_load_balancer:删除slb实例 官网API参考链接:https://help.aliyun.com/document_detail/27579.html ''' try: # 设置删除SLB实例的调用参数 request = DeleteLoadBalancerRequest.DeleteLoadBalancerRequest() # 负载均衡实例的ID request.set_LoadBalancerId(load_balancer_id) # 发送调用请求并接收返回数据 response = ACS_CLIENT.do_action_with_exception(request) response_json = json.loads(response) # 返回结果 return response_json except ServerException as e: ExceptionHandler.server_exception(e) except ClientException as e: ExceptionHandler.client_exception(e) def main(): params = {} # 设置创建SLB实例的参数 # 设置新建SLB实例的主可用区为cn-zhangjiakou-a params["master_zone_id"] = "cn-zhangjiakou-a" # 设置新建SLB实例的主可用区为cn-zhangjiakou-b params["slave_zone_id"] = "cn-zhangjiakou-b" # 设置新建SLB实例的名称为SLB1 params["load_balancer_name"] = "SLB1" # 设置新建SLB实例的计费类型为按量计费 params["pay_balancer_type"] = "PayOnDemand" # 设置添加到默认服务器组的ECS的实例ID和权重 params["backend_servers"] = [{"ServerId": "i-8vbe8yixxxxxxxxxxxxxw", "Weight": "100"}, {"ServerId": "i-8vbe8yxxxxxxxxxxxxxj9v", "Weight": "100"}] # 设置上传服务器证书的参数 # 设置创建HTTPS监听的参数 # 关闭健康检查 params["health_check"] = "off" # 设置监听的带宽峰值 params["bandwidth"] = 6 # 负载均衡实例前端使用的端口 params["listener_port"] = 80 # 设置负载均衡实例后端使用的端口 params["backend_server_port"] = 443 # 关闭会话保持 params["sticky_session"] = "off" # 创建slb实例 # 获取create_load_balancer函数返回值,load_balancer_json为结果的json串 load_balancer_json = create_load_balancer(params) # 打印 load_balancer_json结果,其中"create_load_balancer"是对json串起的名字 CommonUtil.log("create_load_balancer", load_balancer_json) # 上传服务器证书 # 要上传的公钥证书 params["server_certificate"] = "-----BEGIN CERTIFICATE-----xxxxxxx-----END CERTIFICATE-----" params["private_key"] = "-----BEGIN RSA PRIVATE KEY-----xxxxxxxxxxx-----END RSA PRIVATE KEY-----" result_json = upload_server_certificate(params) CommonUtil.log("upload_server_certificate", result_json) params["server_certificate_id"] = result_json["ServerCertificateId"] # slb实例id params["load_balancer_id"] = load_balancer_json["LoadBalancerId"] # 创建https监听 result_json = create_https_listener(params) CommonUtil.log("create_https_listener", result_json) # 上传新的服务器证书 # 要上传的新公钥证书 params["server_certificate"] = "-----BEGIN CERTIFICATE-----xxxxxxx-----END CERTIFICATE-----" params["private_key"] = "-----BEGIN RSA PRIVATE KEY-----xxxxxxxxxxx-----END RSA PRIVATE KEY-----" result_json = upload_server_certificate(params) CommonUtil.log("upload_server_certificate", result_json) params["server_certificate_id"] = result_json["ServerCertificateId"] # 修改https监听配置 result_json = set_https_listener_attribute(params) CommonUtil.log("set_https_listener_attribute", result_json) # 删除slb实例 # 删除返回的LoadBalancerId对应的SLB实例 load_balancer_json = delete_load_balancer(load_balancer_json["LoadBalancerId"]) # 打印 load_balancer_json结果 CommonUtil.log("delete_load_balancer", load_balancer_json) if __name__ == "__main__": sys.exit(main())
- 进入upload_server_certificate.py所在的目录,执行以下命令,运行更新HTTPS证书示例。
python upload_server_certificate.py
系统显示类似如下:---------------------------create_load_balancer--------------------------- { "VpcId": "", "AddressIPVersion": "ipv4", "LoadBalancerName": "SLB1", "ResourceGroupId": "rg-axxxxxxxxxxxy", "VSwitchId": "", "RequestId": "1DEF72EE-CA5C-449D-9E97-2CE460DE7F7A", "Address": "123.XX.XX.212", "NetworkType": "classic", "LoadBalancerId": "lb-8vxxxxxxxxxxxf" } ---------------------------upload_server_certificate--------------------------- { "ExpireTimeStamp": 1732169065000, "RegionIdAlias": "cn-zhangjiakou", "AliCloudCertificateName": "", "RegionId": "cn-zhangjiakou", "CommonName": "test", "ServerCertificateName": "test", "ExpireTime": "2024-11-21T06:04:25Z", "ResourceGroupId": "rg-axxxxxxxxxxxyy", "RequestId": "D6FB8B7C-B0EA-43E7-AD8F-E0201A9E1A13", "Fingerprint": "cd:90:1b:7b:49:4d:1d:90:f6:01:de:9a:81:7d:31:a7:38:1d:84:8d", "AliCloudCertificateId": "", "IsAliCloudCertificate": 0, "ServerCertificateId": "12xxxxxxxxxxxx3_16xxxxxxxxxx6_-1xxxxxxxx13_-1xxxxxx72" } ---------------------------create_https_listener--------------------------- { "RequestId": "FC70EDC8-06EC-4E1C-97BE-D81571DA23B4" } ---------------------------upload_server_certificate--------------------------- { "ExpireTimeStamp": 1567857600000, "RegionIdAlias": "cn-zhangjiakou", "AliCloudCertificateName": "", "RegionId": "cn-zhangjiakou", "CommonName": "aliyundoc.com", "ServerCertificateName": "aliyundoc.com", "ExpireTime": "2023-09-07T12:00:00Z", "ResourceGroupId": "rg-acxxxxxxxxxxxxy", "RequestId": "913E991F-BCC9-4A3D-9802-19084E2CE271", "Fingerprint": "8c:47:1b:a7:8f:02:27:3a:35:7c:e3:47:4a:5f:55:02:ed:e3:57:1e", "SubjectAlternativeNames": { "SubjectAlternativeName": [ "aliyundoc.com" ] }, "AliCloudCertificateId": "", "IsAliCloudCertificate": 0, "ServerCertificateId": "12xxxxxxxxxxxx3_16xxxxxxx716_4xxxxxxx4_-14xxxxxxxxxx9" } ---------------------------set_https_listener_attribute------------------------- -- { "RequestId": "14275D2B-20F2-4D96-9FC8-7BB2B110155C" } ---------------------------delete_load_balancer--------------------------- { "RequestId": "2A1DF87C-842A-4C1E-AA61-23EB365EB86F" }