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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 MediaWiki\Language\RawMessage; |
8 | use Status; |
9 | |
10 | class NumberOfShardsValidator extends Validator { |
11 | /** |
12 | * @var Index |
13 | */ |
14 | private $index; |
15 | |
16 | /** |
17 | * @var int |
18 | */ |
19 | protected $shardCount; |
20 | |
21 | /** |
22 | * @param Index $index |
23 | * @param int $shardCount |
24 | * @param Printer|null $out |
25 | */ |
26 | public function __construct( Index $index, $shardCount, Printer $out = null ) { |
27 | parent::__construct( $out ); |
28 | |
29 | $this->index = $index; |
30 | $this->shardCount = $shardCount; |
31 | } |
32 | |
33 | /** |
34 | * @return Status |
35 | */ |
36 | public function validate() { |
37 | $this->outputIndented( "\tValidating number of shards..." ); |
38 | $settings = $this->index->getSettings()->get(); |
39 | // @phan-suppress-next-line PhanTypeArraySuspiciousNullable |
40 | $actualShardCount = $settings['number_of_shards']; |
41 | if ( $actualShardCount == $this->shardCount ) { |
42 | $this->output( "ok\n" ); |
43 | } else { |
44 | $this->output( "is $actualShardCount but should be " . $this->shardCount . "...cannot correct!\n" ); |
45 | return Status::newFatal( new RawMessage( |
46 | "Number of shards is incorrect and cannot be changed without a rebuild. You can solve this\n" . |
47 | "problem by running this program again with either --startOver or --reindexAndRemoveOk. Make\n" . |
48 | "sure you understand the consequences of either choice.. This script will now continue to\n" . |
49 | "validate everything else." ) ); |
50 | } |
51 | |
52 | return Status::newGood(); |
53 | } |
54 | } |