创建后端服务器组
功能介绍
创建后端服务器组。
接口约束
-
指定session-persistence参数时,只有当type是APP_COOKIE时,才可以设置cookie_name。
-
若指定listener_id参数,则对应的监听器必须未绑定后端服务器组。
调用方法
请参见如何调用API。
URI
POST /v3/{project_id}/elb/pools
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
参数解释:项目ID。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
参数解释:IAM鉴权Token。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
pool |
是 |
CreatePoolOption object |
参数解释:创建pool的请求体。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
admin_state_up |
否 |
Boolean |
参数解释:后端服务器组的管理状态,只支持设置为true。 |
description |
否 |
String |
参数解释:后端服务器组的描述信息。 |
lb_algorithm |
是 |
String |
参数解释:后端服务器组的负载均衡算法。 约束限制:
取值范围:
|
listener_id |
否 |
String |
参数解释:后端服务器组关联的监听器的ID。 约束限制:
|
loadbalancer_id |
否 |
String |
参数解释:后端服务器组关联的负载均衡器ID。 约束限制:
|
name |
否 |
String |
参数解释:后端服务器组的名称。 |
project_id |
否 |
String |
参数解释:后端服务器组所属的项目ID。 |
protocol |
是 |
String |
参数解释:后端服务器组的后端协议。 约束限制:
取值范围:TCP、UDP、TLS、GRPC、HTTP、HTTPS和QUIC。 |
session_persistence |
否 |
参数解释:会话持久性对象。 |
|
slow_start |
否 |
CreatePoolSlowStartOption object |
参数解释:慢启动信息。开启慢启动后,将会在设定的时间段(duration)内对新添加到后端服务器组的后端服务器进行预热,转发到该服务器的请求数量线性增加。 约束限制:当后端服务器组的协议为HTTP/HTTPS时有效,其他协议传入该字段将报错。 |
member_deletion_protection_enable |
否 |
Boolean |
参数解释:是否开启删除保护。 取值范围:false不开启,true开启,默认false。
说明:
退场时需要先关闭所有资源的删除保护开关。 |
vpc_id |
否 |
String |
参数解释:后端服务器组关联的虚拟私有云的ID。 约束限制:
|
type |
否 |
String |
参数解释:后端服务器组的类型。 约束限制:
取值范围:
|
ip_version |
否 |
String |
参数解释:后端服务器组支持的IP版本。 取值范围:
|
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
cookie_name |
否 |
String |
参数解释:cookie名称。 约束限制:
取值范围:
|
type |
是 |
String |
参数解释:会话保持类型。 约束限制:
取值范围:SOURCE_IP、HTTP_COOKIE、APP_COOKIE。 |
persistence_timeout |
否 |
Integer |
参数解释:会话保持的时间。当type为APP_COOKIE时不生效。 取值范围:
|
响应参数
状态码: 201
参数 |
参数类型 |
描述 |
---|---|---|
request_id |
String |
参数解释:请求ID。 注:自动生成 。 |
pool |
Pool object |
参数解释:后端服务器组对象。 |
参数 |
参数类型 |
描述 |
---|---|---|
admin_state_up |
Boolean |
参数解释:后端服务器组的管理状态。 |
description |
String |
参数解释:后端服务器组的描述信息。 |
healthmonitor_id |
String |
参数解释:后端服务器组关联的健康检查的ID。 |
id |
String |
参数解释:后端服务器组的ID。 |
lb_algorithm |
String |
参数解释:后端服务器组的负载均衡算法。 约束限制:
取值范围:
|
listeners |
Array of ListenerRef objects |
参数解释:后端服务器组关联的监听器ID列表。 |
loadbalancers |
Array of LoadBalancerRef objects |
参数解释:后端服务器组关联的负载均衡器ID列表。 |
members |
Array of MemberRef objects |
参数解释:后端服务器组中的后端服务器ID列表。 |
name |
String |
参数解释:后端服务器组的名称。 |
project_id |
String |
参数解释:后端服务器组所在的项目ID。 |
protocol |
String |
参数解释:后端服务器组的后端协议。 约束限制:
取值范围:TCP、UDP、TLS、GRPC、HTTP、HTTPS和QUIC。 |
session_persistence |
SessionPersistence object |
参数解释:会话持久性对象。 |
ip_version |
String |
参数解释:后端服务器组支持的IP版本。 取值范围:
|
slow_start |
SlowStart object |
参数解释:慢启动信息。开启慢启动后,将会在设定的时间段(duration)内对新添加到后端服务器组的后端服务器进行预热,转发到该服务器的请求数量线性增加。 约束限制:当后端服务器组的协议为HTTP/HTTPS时有效,其他协议传入该字段将报错。 |
member_deletion_protection_enable |
Boolean |
参数解释:是否开启误删保护。 取值范围:false不开启,true开启。
说明:
退场时需要先关闭所有资源的删除保护开关。 |
created_at |
String |
参数解释:创建时间。 取值范围:格式:yyyy-MM-dd'T'HH:mm:ss'Z',UTC时区。 注意:独享型实例的历史数据以及共享型实例下的资源,不返回该字段。 |
updated_at |
String |
参数解释:更新时间。 取值范围:格式:yyyy-MM-dd'T'HH:mm:ss'Z',UTC时区。 注意:独享型实例的历史数据以及共享型实例下的资源,不返回该字段。 |
vpc_id |
String |
参数解释:后端服务器组关联的虚拟私有云的ID。 |
type |
String |
参数解释:后端服务器组的类型。 取值范围:
|
enterprise_project_id |
String |
参数解释:IP地址组所在的企业项目ID。 |
参数 |
参数类型 |
描述 |
---|---|---|
cookie_name |
String |
参数解释:cookie名称。 约束限制:
取值范围:
|
type |
String |
参数解释:会话保持类型。 约束限制:
取值范围:SOURCE_IP、HTTP_COOKIE、APP_COOKIE。 |
persistence_timeout |
Integer |
参数解释:会话保持的时间。当type为APP_COOKIE时不生效。 取值范围:
|
请求示例
-
创建一个后端服务器组,并指定协议为TCP协议
POST https://{ELB_Endpoint}/v3/99a3fff0d03c428eac3678da6a7d0f24/elb/pools { "pool" : { "name" : "My pool", "lb_algorithm" : "LEAST_CONNECTIONS", "listener_id" : "0b11747a-b139-492f-9692-2df0b1c87193", "protocol" : "TCP", "member_deletion_protection_enable" : false } }
-
创建一个后端服务器组,并指定协议为HTTP协议
POST https://{ELB_Endpoint}/v3/99a3fff0d03c428eac3678da6a7d0f24/elb/pools { "pool" : { "name" : "My pool", "lb_algorithm" : "LEAST_CONNECTIONS", "listener_id" : "0b11747a-b139-492f-9692-2df0b1c87193", "protocol" : "HTTP", "slow_start" : { "enable" : true, "duration" : 50 }, "member_deletion_protection_enable" : false } }
响应示例
状态码: 201
POST操作正常返回。
{ "pool" : { "type" : "", "vpc_id" : "", "lb_algorithm" : "LEAST_CONNECTIONS", "protocol" : "TCP", "description" : "", "admin_state_up" : true, "member_deletion_protection_enable" : false, "loadbalancers" : [ { "id" : "098b2f68-af1c-41a9-8efd-69958722af62" } ], "project_id" : "99a3fff0d03c428eac3678da6a7d0f24", "session_persistence" : null, "healthmonitor_id" : null, "listeners" : [ { "id" : "0b11747a-b139-492f-9692-2df0b1c87193" } ], "members" : [ ], "id" : "36ce7086-a496-4666-9064-5ba0e6840c75", "name" : "My pool", "ip_version" : "v4", "slow_start" : null }, "request_id" : "2d974978-0733-404d-a21a-b29204f4803a" }
SDK代码示例
SDK代码示例如下。
-
创建一个后端服务器组,并指定协议为TCP协议
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.elb.v3.region.ElbRegion; import com.huaweicloud.sdk.elb.v3.*; import com.huaweicloud.sdk.elb.v3.model.*; public class CreatePoolSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); ElbClient client = ElbClient.newBuilder() .withCredential(auth) .withRegion(ElbRegion.valueOf("<YOUR REGION>")) .build(); CreatePoolRequest request = new CreatePoolRequest(); CreatePoolRequestBody body = new CreatePoolRequestBody(); CreatePoolOption poolbody = new CreatePoolOption(); poolbody.withLbAlgorithm("LEAST_CONNECTIONS") .withListenerId("0b11747a-b139-492f-9692-2df0b1c87193") .withName("My pool") .withProtocol("TCP") .withMemberDeletionProtectionEnable(false); body.withPool(poolbody); request.withBody(body); try { CreatePoolResponse response = client.createPool(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } }
-
创建一个后端服务器组,并指定协议为HTTP协议
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.elb.v3.region.ElbRegion; import com.huaweicloud.sdk.elb.v3.*; import com.huaweicloud.sdk.elb.v3.model.*; public class CreatePoolSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); ElbClient client = ElbClient.newBuilder() .withCredential(auth) .withRegion(ElbRegion.valueOf("<YOUR REGION>")) .build(); CreatePoolRequest request = new CreatePoolRequest(); CreatePoolRequestBody body = new CreatePoolRequestBody(); CreatePoolSlowStartOption slowStartPool = new CreatePoolSlowStartOption(); slowStartPool.withEnable(true) .withDuration(50); CreatePoolOption poolbody = new CreatePoolOption(); poolbody.withLbAlgorithm("LEAST_CONNECTIONS") .withListenerId("0b11747a-b139-492f-9692-2df0b1c87193") .withName("My pool") .withProtocol("HTTP") .withSlowStart(slowStartPool) .withMemberDeletionProtectionEnable(false); body.withPool(poolbody); request.withBody(body); try { CreatePoolResponse response = client.createPool(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } }
-
创建一个后端服务器组,并指定协议为TCP协议
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkelb.v3.region.elb_region import ElbRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkelb.v3 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = ElbClient.new_builder() \ .with_credentials(credentials) \ .with_region(ElbRegion.value_of("<YOUR REGION>")) \ .build() try: request = CreatePoolRequest() poolbody = CreatePoolOption( lb_algorithm="LEAST_CONNECTIONS", listener_id="0b11747a-b139-492f-9692-2df0b1c87193", name="My pool", protocol="TCP", member_deletion_protection_enable=False ) request.body = CreatePoolRequestBody( pool=poolbody ) response = client.create_pool(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg)
-
创建一个后端服务器组,并指定协议为HTTP协议
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkelb.v3.region.elb_region import ElbRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkelb.v3 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = ElbClient.new_builder() \ .with_credentials(credentials) \ .with_region(ElbRegion.value_of("<YOUR REGION>")) \ .build() try: request = CreatePoolRequest() slowStartPool = CreatePoolSlowStartOption( enable=True, duration=50 ) poolbody = CreatePoolOption( lb_algorithm="LEAST_CONNECTIONS", listener_id="0b11747a-b139-492f-9692-2df0b1c87193", name="My pool", protocol="HTTP", slow_start=slowStartPool, member_deletion_protection_enable=False ) request.body = CreatePoolRequestBody( pool=poolbody ) response = client.create_pool(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg)
-
创建一个后端服务器组,并指定协议为TCP协议
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" elb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := elb.NewElbClient( elb.ElbClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.CreatePoolRequest{} listenerIdPool:= "0b11747a-b139-492f-9692-2df0b1c87193" namePool:= "My pool" memberDeletionProtectionEnablePool:= false poolbody := &model.CreatePoolOption{ LbAlgorithm: "LEAST_CONNECTIONS", ListenerId: &listenerIdPool, Name: &namePool, Protocol: "TCP", MemberDeletionProtectionEnable: &memberDeletionProtectionEnablePool, } request.Body = &model.CreatePoolRequestBody{ Pool: poolbody, } response, err := client.CreatePool(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } }
-
创建一个后端服务器组,并指定协议为HTTP协议
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" elb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := elb.NewElbClient( elb.ElbClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.CreatePoolRequest{} enableSlowStart:= true durationSlowStart:= int32(50) slowStartPool := &model.CreatePoolSlowStartOption{ Enable: &enableSlowStart, Duration: &durationSlowStart, } listenerIdPool:= "0b11747a-b139-492f-9692-2df0b1c87193" namePool:= "My pool" memberDeletionProtectionEnablePool:= false poolbody := &model.CreatePoolOption{ LbAlgorithm: "LEAST_CONNECTIONS", ListenerId: &listenerIdPool, Name: &namePool, Protocol: "HTTP", SlowStart: slowStartPool, MemberDeletionProtectionEnable: &memberDeletionProtectionEnablePool, } request.Body = &model.CreatePoolRequestBody{ Pool: poolbody, } response, err := client.CreatePool(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } }
更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。
状态码
状态码 |
描述 |
---|---|
201 |
POST操作正常返回。 |
错误码
请参见错误码。