File "CloudRunServiceMetadataProvider.php"
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<?php
/**
* Copyright 2024 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.
*/
namespace Google\Cloud\Core\Report;
use Google\Cloud\Core\Compute\Metadata;
/**
* A MetadataProvider for Cloud Run Services.
*/
class CloudRunServiceMetadataProvider implements MetadataProviderInterface
{
/**
* @var Metadata
*/
private $metadata;
/**
* @var string
*/
private $configurationId;
/**
* @var string
*/
private $serviceId;
/**
* @var string
*/
private $revisionId;
/**
* @var string
*/
private $instanceId;
/**
* @var string
*/
private $traceId;
/**
* @var string
*/
private $region;
/**
* @see https://cloud.google.com/run/docs/container-contract#services-env-vars
* @param array $env
*/
public function __construct(array $env, ?Metadata $metadata = null)
{
$this->configurationId = $env['K_CONFIGURATION'] ?? 'unknown-configuration';
$this->serviceId = $env['K_SERVICE'] ?? 'unknown-service';
$this->revisionId = $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 = $metadata ?? new Metadata();
$this->region = \basename($this->metadata->get('instance/region') ?? '');
$this->instanceId = $this->metadata->get('instance/id');
}
/**
* @return array
*/
public function monitoredResource()
{
return [
'type' => 'cloud_run_revision',
'labels' => [
'configuration_name' => $this->configurationId,
'location' => $this->region,
'project_id' => $this->projectId(),
'revision_name' => $this->revisionId,
'service_name' => $this->serviceId,
],
];
}
/**
* Return the project id.
* @return string
*/
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
* @todo Figure out where to get the `container_name` from
*/
public function labels()
{
$labels = [
'instanceId' => $this->instanceId,
'run.googleapis.com/trace_id' => $this->traceId,
];
return \array_filter($labels);
}
}