Creating a Backend Server Group

• Creating a backend server group and setting its backend protocol to TCP

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  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()); } } }

• Creating a backend server group and setting its backend protocol to HTTP

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  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()); } } }

• Creating an IP backend server group for a gateway load balancer

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  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("2_tuple_hash") .withListenerId("0b11747a-b139-492f-9692-2df0b1c87193") .withName("My IP pool") .withProtocol("IP") .withMemberDeletionProtectionEnable(false) .withType("instance"); 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()); } } }

• Creating a backend server group and setting its backend protocol to TCP

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  # 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)

• Creating a backend server group and setting its backend protocol to HTTP

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  # 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)

• Creating an IP backend server group for a gateway load balancer

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  # 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="2_tuple_hash", listener_id="0b11747a-b139-492f-9692-2df0b1c87193", name="My IP pool", protocol="IP", member_deletion_protection_enable=False, type="instance" ) 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)

• Creating a backend server group and setting its backend protocol to TCP

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  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) } }

• Creating a backend server group and setting its backend protocol to HTTP

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  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) } }

• Creating an IP backend server group for a gateway load balancer

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  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 IP pool" memberDeletionProtectionEnablePool:= false typePool:= "instance" poolbody := &model.CreatePoolOption{ LbAlgorithm: "2_tuple_hash", ListenerId: &listenerIdPool, Name: &namePool, Protocol: "IP", MemberDeletionProtectionEnable: &memberDeletionProtectionEnablePool, Type: &typePool, } request.Body = &model.CreatePoolRequestBody{ Pool: poolbody, } response, err := client.CreatePool(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } }

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