/**
* Return the latest available DB snapshot for a given RDS DB instance
* identifier.
*
* @param string $instanceIdentifier Identifier of the DB instance to get
* the snapshot identifier for.
* @return string Latest snapshot identifier of the specified DB instance.
*/
public function getLatestRdsSnapshot($instanceIdentifier)
{
if (!strlen($instanceIdentifier)) {
throw new InvalidArgumentException(sprintf('Instance identifier passed to "%s" must be a non-zero length string', __FUNCTION__));
}
$response = $this->rds->describeDBSnapshots(['DBInstanceIdentifier' => $instanceIdentifier]);
return $this->getLatestRdsSnapshotFromResponse($response);
}
