设置自动变配
功能介绍
设置自动变配。
接口约束
该接口目前公测阶段,如需使用,请提交工单联系客服人员申请权限。
调用方法
请参见如何调用API。
URI
PUT /v3/{project_id}/instances/{instance_id}/auto-scaling/policy
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
租户在某一Region下的project ID。 获取方法请参见获取项目ID。 |
instance_id |
是 |
String |
实例ID,严格匹配UUID规则。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
用户Token。 通过调用IAM服务获取用户Token接口获取。 请求响应成功后在响应消息头中包含的“X-Subject-Token”的值即为Token值。 |
Content-Type |
是 |
String |
内容类型。 取值:application/json。 |
X-Language |
否 |
String |
请求语言类型。默认en-us。 取值范围:
|
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
status |
是 |
String |
自动变配开关状态。 取值:
|
scaling_strategy |
是 |
ScalingStrategyReqInfo object |
自动变配策略。 |
monitor_cycle |
否 |
Integer |
监测周期(单位:秒)。 在整个观测窗口期内,若CPU平均使用率大于等于设定值,则在观测窗口结束后,进行扩容。 取值范围:300、600、900、1800。 status为ON时必填。 |
silence_cycle |
否 |
Integer |
静默周期(单位:秒)。 两次自动扩容或自动回缩的最小间隔时间。 取值范围:300、600、1800、3600、7200、10800、86400、604800。 status为ON时必填。 |
enlarge_threshold |
否 |
Integer |
CPU平均使用率(百分比数值)。 取值范围:50-100。 status为ON时必填。 |
max_flavor |
否 |
String |
扩容规格上限。开启扩缩规格时必填。 |
reduce_enabled |
否 |
Boolean |
是否开启自动回缩。开启自动变配时必填。
|
max_read_only_count |
否 |
Integer |
只读节点数量上限。开启增删只读节点时必填。 |
read_only_weight |
否 |
Integer |
只读节点读写分离权重。开启增删只读节点时必填。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
flavor_switch |
是 |
String |
扩缩规格开关。
|
read_only_switch |
是 |
String |
增删只读节点开关。自动增删只读节点功能需要先开启数据库代理,且只能有一个代理。
|
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
instance_id |
String |
实例ID。 |
instance_name |
String |
实例名称。 |
switch_status |
AutoScalingSwitchStatus object |
开关状态。 |
参数 |
参数类型 |
描述 |
---|---|---|
scaling_switch |
String |
自动变配开关状态。 取值:
|
flavor_switch |
String |
扩缩规格开关状态。 取值:
|
read_only_switch |
String |
增删只读节点开关状态。 取值:
|
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码。 |
error_msg |
String |
错误消息。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码。 |
error_msg |
String |
错误消息。 |
请求示例
设置自动变配。
PUT https://{endpoint}/v3/97b026aa9cc4417888c14c84a1ad9860/instances/61a4ea66210545909d74a05c27a7179ein07/auto-scaling/policy { "enlarge_threshold" : 50, "max_flavor" : "gaussdb.mysql.large.x86.4", "max_read_only_count" : 2, "monitor_cycle" : 300, "read_only_weight" : 10, "reduce_enabled" : false, "scaling_strategy" : { "flavor_switch" : "ON", "read_only_switch" : "ON" }, "silence_cycle" : 300, "status" : "ON" }
响应示例
状态码: 200
Success.
{ "instance_id" : "61a4ea66210545909d74a05c27a7179ein07", "instance_name" : "gauss-test-1", "switch_status" : { "scaling_switch" : "ON", "flavor_switch" : "ON", "read_only_switch" : "ON" } }
SDK代码示例
SDK代码示例如下。
Java
设置自动变配。
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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.gaussdb.v3.region.GaussDBRegion; import com.huaweicloud.sdk.gaussdb.v3.*; import com.huaweicloud.sdk.gaussdb.v3.model.*; public class UpdateAutoScalingPolicySolution { 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); GaussDBClient client = GaussDBClient.newBuilder() .withCredential(auth) .withRegion(GaussDBRegion.valueOf("<YOUR REGION>")) .build(); UpdateAutoScalingPolicyRequest request = new UpdateAutoScalingPolicyRequest(); request.withInstanceId("{instance_id}"); UpdateAutoScalingPolicyRequestBody body = new UpdateAutoScalingPolicyRequestBody(); ScalingStrategyReqInfo scalingStrategybody = new ScalingStrategyReqInfo(); scalingStrategybody.withFlavorSwitch("ON") .withReadOnlySwitch("ON"); body.withScalingStrategy(scalingStrategybody); body.withReadOnlyWeight(10); body.withMaxReadOnlyCount(2); body.withReduceEnabled(false); body.withMaxFlavor("gaussdb.mysql.large.x86.4"); body.withEnlargeThreshold(50); body.withSilenceCycle(300); body.withMonitorCycle(300); body.withStatus("ON"); request.withBody(body); try { UpdateAutoScalingPolicyResponse response = client.updateAutoScalingPolicy(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()); } } } |
Python
设置自动变配。
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkgaussdb.v3.region.gaussdb_region import GaussDBRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkgaussdb.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 = GaussDBClient.new_builder() \ .with_credentials(credentials) \ .with_region(GaussDBRegion.value_of("<YOUR REGION>")) \ .build() try: request = UpdateAutoScalingPolicyRequest() request.instance_id = "{instance_id}" scalingStrategybody = ScalingStrategyReqInfo( flavor_switch="ON", read_only_switch="ON" ) request.body = UpdateAutoScalingPolicyRequestBody( scaling_strategy=scalingStrategybody, read_only_weight=10, max_read_only_count=2, reduce_enabled=False, max_flavor="gaussdb.mysql.large.x86.4", enlarge_threshold=50, silence_cycle=300, monitor_cycle=300, status="ON" ) response = client.update_auto_scaling_policy(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
设置自动变配。
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" gaussdb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/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 := gaussdb.NewGaussDBClient( gaussdb.GaussDBClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.UpdateAutoScalingPolicyRequest{} request.InstanceId = "{instance_id}" scalingStrategybody := &model.ScalingStrategyReqInfo{ FlavorSwitch: "ON", ReadOnlySwitch: "ON", } readOnlyWeightUpdateAutoScalingPolicyRequestBody:= int32(10) maxReadOnlyCountUpdateAutoScalingPolicyRequestBody:= int32(2) reduceEnabledUpdateAutoScalingPolicyRequestBody:= false maxFlavorUpdateAutoScalingPolicyRequestBody:= "gaussdb.mysql.large.x86.4" enlargeThresholdUpdateAutoScalingPolicyRequestBody:= int32(50) silenceCycleUpdateAutoScalingPolicyRequestBody:= int32(300) monitorCycleUpdateAutoScalingPolicyRequestBody:= int32(300) request.Body = &model.UpdateAutoScalingPolicyRequestBody{ ScalingStrategy: scalingStrategybody, ReadOnlyWeight: &readOnlyWeightUpdateAutoScalingPolicyRequestBody, MaxReadOnlyCount: &maxReadOnlyCountUpdateAutoScalingPolicyRequestBody, ReduceEnabled: &reduceEnabledUpdateAutoScalingPolicyRequestBody, MaxFlavor: &maxFlavorUpdateAutoScalingPolicyRequestBody, EnlargeThreshold: &enlargeThresholdUpdateAutoScalingPolicyRequestBody, SilenceCycle: &silenceCycleUpdateAutoScalingPolicyRequestBody, MonitorCycle: &monitorCycleUpdateAutoScalingPolicyRequestBody, Status: "ON", } response, err := client.UpdateAutoScalingPolicy(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多
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 |
---|---|
200 |
Success. |
400 |
Client error. |
500 |
Server error. |
错误码
请参见错误码。