Updated on 2025-09-26 GMT+08:00

Creating a Trigger

Function

This API is used to create a trigger.

Constraints

None.

Calling Method

For details, see Calling APIs.

URI

POST /v2/{project_id}/instances/{instance_id}/namespaces/{namespace_name}/webhook/policies

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID.

instance_id

Yes

String

ID of an SWR Enterprise Edition instance.

namespace_name

Yes

String

Namespace name.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token.

It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

name

Yes

String

Trigger name. The value can contain 1 to 256 characters. Only letters, digits, underscores (_), and hyphens (-) are allowed.

description

No

String

Trigger description.

targets

Yes

Array of Target objects

Trigger target parameters.

scope_rules

Yes

Array of ScopeRule objects

Application scope.

event_types

Yes

Array of strings

Triggering condition. Currently, **PUSH_ARTIFACT ** is supported.

enabled

Yes

Boolean

Whether to enable a trigger.

Table 4 Target

Parameter

Mandatory

Type

Description

type

Yes

String

Trigger type. The value can be http.

address

Yes

String

Trigger address, which cannot be changed.

auth_header

No

String

Request header, in the format of key1:value1;key2:value2.

skip_cert_verify

No

Boolean

Whether to skip certificate authentication.

address_type

Yes

String

Trigger address type. The value can be internal (private network) or internet (public network). If the value is internal, private IP addresses must be used.

Table 5 ScopeRule

Parameter

Mandatory

Type

Description

tag_selectors

Yes

Array of RuleSelector objects

Artifact tag selector. Currently, the value length must be 1.

scope_selectors

Yes

Map<String,Array<RuleSelector>>

Artifact repository selector. Currently, only repository is supported, and the value length must be 1.

repo_scope_mode

Yes

String

Repository selection method. The value can be regular or selection. regular is required for frontend display and optional for API calling.

Table 6 RuleSelector

Parameter

Mandatory

Type

Description

kind

Yes

String

Matching type. Currently, doublestar is the only value.

decoration

Yes

String

Selector matching type. The value can be repoMatches.

pattern

Yes

String

Selector matching pattern. The maximum length is 512 characters. The regular expression can be nginx-* or {repo1, repo2}.

*: matches any field that does not contain a slash (/).

**: matches any field that contains a slash (/).

?: matches any single character except a slash (/).

{option 1, option 2, ...}: matches any of the options.

extras

No

String

Reserved field.

Response Parameters

Status code: 201

Table 7 Response body parameters

Parameter

Type

Description

id

Integer

Trigger ID.

Status code: 400

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 401

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 403

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 404

Table 11 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 500

Table 12 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Example Requests

POST https://{endpoint}/v2/{project_id}/instances/{instance_id}/webhook/policies

{
  "name" : "mywebhook",
  "description" : "my describe",
  "targets" : [ {
    "type" : "http",
    "address" : "https://100.0.0.1:80",
    "auth_header" : "param1:value1",
    "skip_cert_verify" : false,
    "address_type" : "internal"
  } ],
  "scope_rules" : [ {
    "tag_selectors" : [ {
      "kind" : "doublestar",
      "decoration" : "matches",
      "pattern" : "**"
    } ],
    "scope_selectors" : {
      "repository" : [ {
        "kind" : "doublestar",
        "decoration" : "repoMatches",
        "pattern" : "{myrepo}"
      } ]
    },
    "repo_scope_mode" : "selection"
  } ],
  "event_types" : [ "PUSH_ARTIFACT" ],
  "enabled" : true
}

Example Responses

Status code: 201

The trigger is created successfully.

{
  "id" : 34
}

SDK Sample Code

The SDK sample code is as follows.

Java

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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.swr.v2.region.SwrRegion;
import com.huaweicloud.sdk.swr.v2.*;
import com.huaweicloud.sdk.swr.v2.model.*;

import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;

public class CreateInstanceWebhookSolution {

    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);

        SwrClient client = SwrClient.newBuilder()
                .withCredential(auth)
                .withRegion(SwrRegion.valueOf("<YOUR REGION>"))
                .build();
        CreateInstanceWebhookRequest request = new CreateInstanceWebhookRequest();
        request.withInstanceId("{instance_id}");
        request.withNamespaceName("{namespace_name}");
        CreateWebhookPolicyRequestBody body = new CreateWebhookPolicyRequestBody();
        List<String> listbodyEventTypes = new ArrayList<>();
        listbodyEventTypes.add("PUSH_ARTIFACT");
        List<RuleSelector> listScopeSelectorsScopeSelectors = new ArrayList<>();
        listScopeSelectorsScopeSelectors.add(
            new RuleSelector()
                .withKind("doublestar")
                .withDecoration("repoMatches")
                .withPattern("{myrepo}")
        );
        Map<String, List<RuleSelector>> listScopeRulesScopeSelectors = new HashMap<>();
        listScopeRulesScopeSelectors.put("repository", listScopeSelectorsScopeSelectors);
        List<RuleSelector> listScopeRulesTagSelectors = new ArrayList<>();
        listScopeRulesTagSelectors.add(
            new RuleSelector()
                .withKind("doublestar")
                .withDecoration("matches")
                .withPattern("**")
        );
        List<ScopeRule> listbodyScopeRules = new ArrayList<>();
        listbodyScopeRules.add(
            new ScopeRule()
                .withTagSelectors(listScopeRulesTagSelectors)
                .withScopeSelectors(listScopeRulesScopeSelectors)
                .withRepoScopeMode("selection")
        );
        List<Target> listbodyTargets = new ArrayList<>();
        listbodyTargets.add(
            new Target()
                .withType("http")
                .withAddress("https://100.0.0.1:80")
                .withAuthHeader("param1:value1")
                .withSkipCertVerify(false)
                .withAddressType("internal")
        );
        body.withEnabled(true);
        body.withEventTypes(listbodyEventTypes);
        body.withScopeRules(listbodyScopeRules);
        body.withTargets(listbodyTargets);
        body.withDescription("my describe");
        body.withName("mywebhook");
        request.withBody(body);
        try {
            CreateInstanceWebhookResponse response = client.createInstanceWebhook(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

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkswr.v2.region.swr_region import SwrRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkswr.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 = SwrClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(SwrRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = CreateInstanceWebhookRequest()
        request.instance_id = "{instance_id}"
        request.namespace_name = "{namespace_name}"
        listEventTypesbody = [
            "PUSH_ARTIFACT"
        ]
        listScopeSelectorsScopeSelectors = [
            RuleSelector(
                kind="doublestar",
                decoration="repoMatches",
                pattern="{myrepo}"
            )
        ]
        listScopeSelectorsScopeRules = {
            "repository": listScopeSelectorsScopeSelectors
        }
        listTagSelectorsScopeRules = [
            RuleSelector(
                kind="doublestar",
                decoration="matches",
                pattern="**"
            )
        ]
        listScopeRulesbody = [
            ScopeRule(
                tag_selectors=listTagSelectorsScopeRules,
                scope_selectors=listScopeSelectorsScopeRules,
                repo_scope_mode="selection"
            )
        ]
        listTargetsbody = [
            Target(
                type="http",
                address="https://100.0.0.1:80",
                auth_header="param1:value1",
                skip_cert_verify=False,
                address_type="internal"
            )
        ]
        request.body = CreateWebhookPolicyRequestBody(
            enabled=True,
            event_types=listEventTypesbody,
            scope_rules=listScopeRulesbody,
            targets=listTargetsbody,
            description="my describe",
            name="mywebhook"
        )
        response = client.create_instance_webhook(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

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    swr "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/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 := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := swr.NewSwrClient(
        swr.SwrClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CreateInstanceWebhookRequest{}
	request.InstanceId = "{instance_id}"
	request.NamespaceName = "{namespace_name}"
	var listEventTypesbody = []string{
        "PUSH_ARTIFACT",
    }
	var listScopeSelectorsScopeSelectors = []model.RuleSelector{
        {
            Kind: "doublestar",
            Decoration: "repoMatches",
            Pattern: "{myrepo}",
        },
    }
	var listScopeSelectorsScopeRules = map[string][](model.RuleSelector){
        "repository": listScopeSelectorsScopeSelectors,
    }
	var listTagSelectorsScopeRules = []model.RuleSelector{
        {
            Kind: "doublestar",
            Decoration: "matches",
            Pattern: "**",
        },
    }
	var listScopeRulesbody = []model.ScopeRule{
        {
            TagSelectors: listTagSelectorsScopeRules,
            ScopeSelectors: listScopeSelectorsScopeRules,
            RepoScopeMode: "selection",
        },
    }
	authHeaderTargets:= "param1:value1"
	skipCertVerifyTargets:= false
	var listTargetsbody = []model.Target{
        {
            Type: "http",
            Address: "https://100.0.0.1:80",
            AuthHeader: &authHeaderTargets,
            SkipCertVerify: &skipCertVerifyTargets,
            AddressType: "internal",
        },
    }
	descriptionCreateWebhookPolicyRequestBody:= "my describe"
	request.Body = &model.CreateWebhookPolicyRequestBody{
		Enabled: true,
		EventTypes: listEventTypesbody,
		ScopeRules: listScopeRulesbody,
		Targets: listTargetsbody,
		Description: &descriptionCreateWebhookPolicyRequestBody,
		Name: "mywebhook",
	}
	response, err := client.CreateInstanceWebhook(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

201

The trigger is created successfully.

400

Request error.

401

Authentication failed.

403

Access denied.

404

Resource not found.

500

Internal error.

Error Codes

See Error Codes.