Querying Top Functions for a Specified Metric
Function
This API is used to query the top functions for a specified metric.
By default, the top ten functions with the most errors in the last day are queried.
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
GET /v2/{project_id}/fgs/function/report
| 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 |
| Parameter | Mandatory | Type | Description |
|---|---|---|---|
| type | No | String | Parameter description: Metric type. Constraints: None Value range: concurrency: number of concurrent queries Default value: falicount |
| start_time | No | String | Parameter description: Start time. Constraints: None Value range: UNIX timestamp Default value: Timestamp of the previous day of the current time. |
| end_time | No | String | Parameter description: End time. Constraints: None Value range: UNIX timestamp Default value: Current timestamp. |
| limit | No | String | Parameter description: Specifies the number of alarms to be queried. Constraints: None Value range: The value is of the int type. A maximum of 20 records are supported by default. The value must be a multiple of 5. 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 | No | 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 |
Response Parameters
Status code: 200
| Parameter | Type | Description |
|---|---|---|
| values | Array of FunctionMetric objects | Parameter description: Function URN and metrics. Value range: None |
| next_marker | Long | Parameter description: Next read location. Value range: None |
| count | Long | Parameter description: Total number of functions returned. Value range: None |
| Parameter | Type | Description |
|---|---|---|
| key | String | Parameter description: Function URN. Value range: None |
| value | Integer | Parameter description: Metric value. Value range: None |
Status code: 400
| Parameter | Type | Description |
|---|---|---|
| error_code | String | Error code. |
| error_msg | String | Error message. |
Example Requests
Query the top functions for a specified metric.
GET /v2/{project_id}/fgs/function/report Example Responses
Status code: 200
{
"next_marker" : 2,
"count" : 2,
"values" : [ {
"key" : "funcUrn1",
"value" : 1
}, {
"key" : "funcUrn2",
"value" : 2
} ]
} SDK Sample Code
The SDK sample code is as follows.
Java
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 | 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 ListFunctionAsMetricSolution { 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(); ListFunctionAsMetricRequest request = new ListFunctionAsMetricRequest(); try { ListFunctionAsMetricResponse response = client.listFunctionAsMetric(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
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 | # 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 = ListFunctionAsMetricRequest() response = client.list_function_as_metric(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
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 | 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.ListFunctionAsMetricRequest{} response, err := client.ListFunctionAsMetric(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 | Query successful. |
| 400 | Bad Request |
Error Codes
See Error Codes.
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