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6 |
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 | } |