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index.js
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index.js
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
'use strict';
// [START functions_log_cloudevent]
const functions = require('@google-cloud/functions-framework');
// Register a CloudEvent callback with the Functions Framework that will
// be triggered by an Eventarc Cloud Audit Logging trigger.
//
// Note: this is NOT designed for second-party (Cloud Audit Logs -> Pub/Sub) triggers!
functions.cloudEvent('helloAuditLog', cloudEvent => {
// Print out details from the CloudEvent itself
console.log('Event type:', cloudEvent.type);
// Print out the CloudEvent's `subject` property
// See https://github.com/cloudevents/spec/blob/v1.0.1/spec.md#subject
console.log('Subject:', cloudEvent.subject);
// Print out details from the `protoPayload`
// This field encapsulates a Cloud Audit Logging entry
// See https://cloud.google.com/logging/docs/audit#audit_log_entry_structure
const payload = cloudEvent.data && cloudEvent.data.protoPayload;
if (payload) {
console.log('API method:', payload.methodName);
console.log('Resource name:', payload.resourceName);
console.log('Principal:', payload.authenticationInfo.principalEmail);
}
});
// [END functions_log_cloudevent]