Changing the Number of Reserved Instances
Function
This API is used to change the number of reserved instances.
Calling Method
For details, see Calling APIs.
Authorization Information
Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions. For details about the required permissions, see Permissions Policies and Supported Actions.
URI
PUT /v2/{project_id}/fgs/functions/{function_urn}/reservedinstances
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| project_id | Yes | String | Parameter description: Project ID. For details, see Obtaining a Project ID. Constraints: None Value range: 32 characters, including letters and digits. Default value: None |
| function_urn | Yes | String | Parameter description: URN of the function. For details, see Function Model. Constraints: None Value range: Only letters, digits, underscores (_), hyphens (-), and colons (:) are allowed. Default value: None |
Request Parameters
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| X-Auth-Token | Yes | String | Parameter description: User token. The token can be obtained by calling the IAM API. The value of X-Subject-Token in the response header is the user token. Constraints: None Value range: None Default value: None |
| Content-Type | Yes | String | Parameter description: Specifies the type (or format) of the message body. Constraints: None Value range: Only application/json is supported. Default value: application/json |
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| count | Yes | Integer | Parameter description: Reserved Instances Constraints None Range: None Default Value None |
| idle_mode | No | Boolean | Parameter description: Whether to enable the idle mode. Constraints None Range: None Default Value None |
| tactics_config | No | TacticsConfig object | Parameter description: Reserved Instance Policies Constraints None Range: None Default Value None |
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| cron_configs | No | Array of CronConfig objects | Parameter description: Scheduled configuration list. Constraints None Range: None Default Value None |
| metric_configs | No | Array of MetricConfig objects | Parameter description: Flow control configuration list. Constraints None Range: None Default Value None |
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| name | No | String | Parameter description: Scheduled configuration name. Constraints None Range: None Default Value None |
| cron | No | String | Parameter description: Cron expression. Constraints None Range: None Default Value None |
| count | No | Integer | Parameter description: Number of started reserved instances. Constraints None Range: None Default Value None |
| start_time | No | Long | Parameter description: Start timestamp. Constraints Epoch timestamp Range: None Default Value None |
| expired_time | No | Long | Parameter description: Expiry time. Constraints Epoch timestamp Range: None Default Value None |
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| name | No | String | Parameter description: Flow control configuration name. Constraints None Range: None Default Value None |
| type | No | String | Parameter description: Flow control type. Constraints None Range Currently, only the reserved instance usage is supported. Concurrency: reserved instance usage Default Value None |
| threshold | No | Integer | Parameter description: Traffic threshold Constraints None Range [0, 100] Default Value None |
| min | No | Integer | Parameter description: Minimum value. Constraints None Range: None Default Value None |
Response Parameters
Status code: 200
| Parameter | Type | Description |
|---|---|---|
| count | Integer | Parameter description: Reserved Instances Range: None |
| idle_mode | Boolean | Parameter description: Whether to enable the idle mode. Range: None |
| tactics_config | TacticsConfig object | Parameter description: Reserved Instance Policies Range: None |
| Parameter | Type | Description |
|---|---|---|
| cron_configs | Array of CronConfig objects | Parameter description: Scheduled configuration list. Range: None |
| metric_configs | Array of MetricConfig objects | Parameter description: Flow control configuration list. Range: None |
| Parameter | Type | Description |
|---|---|---|
| name | String | Parameter description: Scheduled configuration name. Range: None |
| cron | String | Parameter description: Cron expression. Range: None |
| count | Integer | Parameter description: Number of started reserved instances. Range: None |
| start_time | Long | Parameter description: Start timestamp. Range: None |
| expired_time | Long | Parameter description: Expiry time. Range: None |
| Parameter | Type | Description |
|---|---|---|
| name | String | Parameter description: Flow control configuration name. Range: None |
| type | String | Parameter description: Flow control type. Range Currently, only the reserved instance usage is supported. Concurrency: reserved instance usage |
| threshold | Integer | Parameter description: Traffic threshold Range [0, 100] |
| min | Integer | Parameter description: Minimum value. Range: None |
Status code: 400
| Parameter | Type | Description |
|---|---|---|
| error_code | String | Error code. |
| error_msg | String | Error message. |
Status code: 401
| Parameter | Type | Description |
|---|---|---|
| error_code | String | Error code. |
| error_msg | String | Error message. |
Status code: 403
| Parameter | Type | Description |
|---|---|---|
| error_code | String | Error code. |
| error_msg | String | Error message. |
Status code: 404
| Parameter | Type | Description |
|---|---|---|
| error_code | String | Error code. |
| error_msg | String | Error message. |
Status code: 500
| Parameter | Type | Description |
|---|---|---|
| error_code | String | Error code. |
| error_msg | String | Error message. |
Example Requests
Update the number of a function's reserved instances to 3.
PUT https://{Endpoint}/v2/{project_id}/fgs/functions/{function_urn}/reservedinstances
{
"count" : 3
} Example Responses
Status code: 200
{
"count" : 2
} SDK Sample Code
The SDK sample code is as follows.
Java
Update the number of a function's reserved instances to 3.
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 | 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.functiongraph.v2.region.FunctionGraphRegion; import com.huaweicloud.sdk.functiongraph.v2.*; import com.huaweicloud.sdk.functiongraph.v2.model.*; public class UpdateFunctionReservedInstancesCountSolution { 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); FunctionGraphClient client = FunctionGraphClient.newBuilder() .withCredential(auth) .withRegion(FunctionGraphRegion.valueOf("<YOUR REGION>")) .build(); UpdateFunctionReservedInstancesCountRequest request = new UpdateFunctionReservedInstancesCountRequest(); request.withFunctionUrn("{function_urn}"); UpdateFunctionReservedInstancesCountRequestBody body = new UpdateFunctionReservedInstancesCountRequestBody(); body.withCount(3); request.withBody(body); try { UpdateFunctionReservedInstancesCountResponse response = client.updateFunctionReservedInstancesCount(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
Update the number of a function's reserved instances to 3.
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 | # coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkfunctiongraph.v2.region.functiongraph_region import FunctionGraphRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkfunctiongraph.v2 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 = FunctionGraphClient.new_builder() \ .with_credentials(credentials) \ .with_region(FunctionGraphRegion.value_of("<YOUR REGION>")) \ .build() try: request = UpdateFunctionReservedInstancesCountRequest() request.function_urn = "{function_urn}" request.body = UpdateFunctionReservedInstancesCountRequestBody( count=3 ) response = client.update_function_reserved_instances_count(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
Update the number of a function's reserved instances to 3.
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 | package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" functiongraph "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2/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, err := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). SafeBuild() if err != nil { fmt.Println(err) return } hcClient, err := functiongraph.FunctionGraphClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). SafeBuild() if err != nil { fmt.Println(err) return } client := functiongraph.NewFunctionGraphClient(hcClient) request := &model.UpdateFunctionReservedInstancesCountRequest{} request.FunctionUrn = "{function_urn}" request.Body = &model.UpdateFunctionReservedInstancesCountRequestBody{ Count: int32(3), } response, err := client.UpdateFunctionReservedInstancesCount(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
More
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
| Status Code | Description |
|---|---|
| 200 | OK |
| 400 | Bad request. |
| 401 | Unauthorized. |
| 403 | Forbidden. |
| 404 | Not found. |
| 500 | Internal server error. |
Error Codes
See Error Codes.
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