Viewing file:  CloudRunMetadataProvider.php (2.33 KB) -rw-r--r--
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<?php
/**
* Copyright 2023 Google Inc. All Rights Reserved.
*
* 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.
*/
namespace Google\Cloud\Core\Report;
use Google\Cloud\Core\Compute\Metadata;
/**
* A MetadataProvider for Cloud Run.
*/
class CloudRunMetadataProvider implements MetadataProviderInterface
{
/**
* @var Metadata
*/
private $metadata;
/**
* @var string
*/
private $serviceId;
/**
* @var string
*/
private $revisionId;
/**
* @var string
*/
private $traceId;
public function __construct(array $env)
{
$this->serviceId = isset($env['K_SERVICE'])
? $env['K_SERVICE']
: 'unknown-service';
$this->revisionId = isset($env['K_REVISION'])
? $env['K_REVISION']
: 'unknown-revision';
$this->traceId = isset($env['HTTP_X_CLOUD_TRACE_CONTEXT'])
? substr($env['HTTP_X_CLOUD_TRACE_CONTEXT'], 0, 32)
: null;
$this->metadata = new Metadata();
}
/**
* not implemented
* @TODO
*/
public function monitoredResource()
{
return [];
}
/**
* not implemented
* @TODO
*/
public function projectId()
{
return $this->metadata->getProjectId();
}
/**
* Return the service id.
* @return string
*/
public function serviceId()
{
return $this->serviceId;
}
/**
* Return the version id.
* @return string
*/
public function versionId()
{
return $this->revisionId;
}
/**
* Return the labels. We need to evaluate $_SERVER for each request.
* @return array
*/
public function labels()
{
return !empty($this->traceId)
? ['run.googleapis.com/trace_id' => $this->traceId ]
: [];
}
}
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