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Sink.php
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Sink.php
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<?php
/**
* Copyright 2016 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\Logging;
use Google\Cloud\Core\Exception\NotFoundException;
use Google\Cloud\Logging\Connection\ConnectionInterface;
/**
* A sink is used to export log entries outside Stackdriver Logging.
*
* Example:
* ```
* use Google\Cloud\Logging\LoggingClient;
*
* $logging = new LoggingClient();
*
* $sink = $logging->sink('my-sink');
* ```
*/
class Sink
{
/**
* @var ConnectionInterface Represents a connection to Stackdriver Logging.
*/
protected $connection;
/**
* @var string The sink's formatted name used in API requests.
*/
private $formattedName;
/**
* @var string The sink's name.
*/
private $name;
/**
* @var array The sink's metadata.
*/
private $info;
/**
* @param ConnectionInterface $connection Represents a connection to Cloud
* Logging.
* @param string $name The sink's name.
* @param string $projectId The project's ID.
* @param array $info [optional] The sink's metadata.
*/
public function __construct(ConnectionInterface $connection, $name, $projectId, array $info = [])
{
$this->connection = $connection;
$this->info = $info;
$this->formattedName = "projects/$projectId/sinks/$name";
$this->name = $name;
}
/**
* Check whether or not the sink exists.
*
* Example:
* ```
* if ($sink->exists()) {
* echo 'Sink exists!';
* }
* ```
*
* @param array $options [optional] Configuration Options
* @return bool
*/
public function exists(array $options = [])
{
try {
$this->info($options);
} catch (NotFoundException $ex) {
return false;
}
return true;
}
/**
* Delete the sink.
*
* Example:
* ```
* $sink->delete();
* ```
*
* @codingStandardsIgnoreStart
* @see https://cloud.google.com/logging/docs/api/reference/rest/v2/projects.sinks/delete projects.sinks delete API documentation.
* @codingStandardsIgnoreEnd
*
* @param array $options [optional] Configuration Options.
*/
public function delete(array $options = [])
{
$this->connection->deleteSink($options + [
'sinkName' => $this->formattedName
]);
}
/**
* Update the sink. Please note this will trigger a network request if
* cached data is not available to perform the update with.
*
* Example:
* ```
* $sink->update([
* 'destination' => 'storage.googleapis.com/my-bucket'
* ]);
* ```
*
* @codingStandardsIgnoreStart
* @see https://cloud.google.com/logging/docs/api/reference/rest/v2/projects.sinks/update projects.sinks update API documentation.
* @codingStandardsIgnoreEnd
*
* @param array $metadata {
* The data to update.
*
* @type string $destination The export destination. Please see
* [Exporting Logs With Sinks](https://cloud.google.com/logging/docs/api/tasks/exporting-logs#about_sinks)
* for more information and examples.
* @type string $filter An [advanced logs filter](https://cloud.google.com/logging/docs/view/advanced_filters).
* @type string $outputVersionFormat The log entry version to use for
* this sink's exported log entries. This version does not have
* to correspond to the version of the log entry when it was
* written to Stackdriver Logging. May be either `V1` or `V2`.
* }
* @param array $options [optional] Configuration Options.
* @return array
*/
public function update(array $metadata, array $options = [])
{
$options += $metadata;
$options += $this->info($options);
return $this->info = $this->connection->updateSink($options + [
'sinkName' => $this->formattedName
]);
}
/**
* Retrieves the sink's details. If no sink data is cached a network
* request will be made to retrieve it.
*
* Example:
* ```
* $info = $sink->info();
* echo $info['destination'];
* ```
*
* @codingStandardsIgnoreStart
* @see https://cloud.google.com/logging/docs/api/reference/rest/v2/projects.sinks#resource-logsink LogSink resource API documentation.
* @codingStandardsIgnoreEnd
*
* @param array $options [optional] Configuration Options.
* @return array
*/
public function info(array $options = [])
{
if (!$this->info) {
$this->reload($options);
}
return $this->info;
}
/**
* Triggers a network request to reload the sink's details.
*
* Example:
* ```
* $sink->reload();
* $info = $sink->info();
* echo $info['destination'];
* ```
*
* @codingStandardsIgnoreStart
* @see https://cloud.google.com/logging/docs/api/reference/rest/v2/projects.sinks/get projects.sinks get API documentation.
* @codingStandardsIgnoreEnd
*
* @param array $options [optional] Configuration Options.
* @return array
*/
public function reload(array $options = [])
{
return $this->info = $this->connection->getSink($options + [
'sinkName' => $this->formattedName
]);
}
/**
* Returns the sink's name.
*
* Example:
* ```
* echo $sink->name();
* ```
*
* @return string
*/
public function name()
{
return $this->name;
}
}