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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Maintenance\Validators; |
| 4 | |
| 5 | use CirrusSearch\Maintenance\Printer; |
| 6 | use Elastica\Index; |
| 7 | use Status; |
| 8 | |
| 9 | class MaxShardsPerNodeValidator extends Validator { |
| 10 | /** |
| 11 | * @var Index |
| 12 | */ |
| 13 | private $index; |
| 14 | |
| 15 | /** |
| 16 | * @var int |
| 17 | */ |
| 18 | private $maxShardsPerNode; |
| 19 | |
| 20 | /** |
| 21 | * @param Index $index |
| 22 | * @param int $maxShardsPerNode |
| 23 | * @param Printer|null $out |
| 24 | */ |
| 25 | public function __construct( Index $index, $maxShardsPerNode, Printer $out = null ) { |
| 26 | parent::__construct( $out ); |
| 27 | $this->index = $index; |
| 28 | $this->maxShardsPerNode = $maxShardsPerNode; |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * @return Status |
| 33 | */ |
| 34 | public function validate() { |
| 35 | $this->outputIndented( "\tValidating max shards per node..." ); |
| 36 | $settings = $this->index->getSettings()->get(); |
| 37 | // Elasticsearch uses negative numbers or an unset value to represent unlimited. We accept 'unlimited' |
| 38 | // but it is resolved when reading configuration and not here. |
| 39 | $actualMaxShardsPerNode = $settings['routing']['allocation']['total_shards_per_node'] ?? -1; |
| 40 | $expectedMaxShardsPerNode = $this->maxShardsPerNode; |
| 41 | if ( $actualMaxShardsPerNode == $expectedMaxShardsPerNode ) { |
| 42 | $this->output( "ok\n" ); |
| 43 | } else { |
| 44 | $this->output( "is $actualMaxShardsPerNode but should be $expectedMaxShardsPerNode..." ); |
| 45 | $this->index->getSettings()->set( [ |
| 46 | 'routing.allocation.total_shards_per_node' => $expectedMaxShardsPerNode |
| 47 | ] ); |
| 48 | $this->output( "corrected\n" ); |
| 49 | } |
| 50 | |
| 51 | return Status::newGood(); |
| 52 | } |
| 53 | } |