75 lines
3.0 KiB
JavaScript
75 lines
3.0 KiB
JavaScript
/**
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* Explicitly validates that all shards' collections have the correct UUIDs after an initial split
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* which spreads the collection across all available shards.
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*/
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load("jstests/libs/feature_compatibility_version.js");
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load("jstests/libs/uuid_util.js");
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(function() {
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'use strict';
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let st = new ShardingTest({shards: 2});
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let mongos = st.s0;
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assert.commandWorked(mongos.adminCommand({enableSharding: 'test'}));
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st.ensurePrimaryShard('test', st.shard1.shardName);
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assert.commandWorked(mongos.adminCommand(
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{shardCollection: 'test.user', key: {x: 'hashed'}, numInitialChunks: 2}));
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// Ensure that all the pending (received chunks) have been incorporated in the shard's filtering
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// metadata so they will show up in the getShardVersion command
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assert.eq(0, mongos.getDB('test').user.find({}).itcount());
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st.printShardingStatus();
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function checkMetadata(metadata) {
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jsTestLog(tojson(metadata));
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assert.eq(1, metadata.chunks.length);
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assert.eq(0, metadata.pending.length);
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// Check that the single chunk on the shard's metadata is a valid chunk (getShardVersion
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// represents chunks as an array of [min, max])
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let chunks = metadata.chunks;
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assert(bsonWoCompare(chunks[0][0], chunks[0][1]) < 0);
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}
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// Check that the shards' in-memory catalog caches were refreshed
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checkMetadata(assert
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.commandWorked(st.rs0.getPrimary().adminCommand(
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{getShardVersion: 'test.user', fullMetadata: true}))
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.metadata);
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checkMetadata(assert
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.commandWorked(st.rs1.getPrimary().adminCommand(
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{getShardVersion: 'test.user', fullMetadata: true}))
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.metadata);
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// Check that the shards' catalogs have the correct UUIDs
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const configUUID = getUUIDFromConfigCollections(mongos, 'test.user');
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const shard0UUID = getUUIDFromListCollections(st.shard0.getDB('test'), 'user');
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const shard1UUID = getUUIDFromListCollections(st.shard1.getDB('test'), 'user');
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assert.eq(configUUID, shard0UUID);
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assert.eq(configUUID, shard1UUID);
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// Check that the shards' on-disk caches have the correct number of chunks
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assert.commandWorked(st.shard0.adminCommand(
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{_flushRoutingTableCacheUpdates: 'test.user', syncFromConfig: false}));
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assert.commandWorked(st.shard1.adminCommand(
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{_flushRoutingTableCacheUpdates: 'test.user', syncFromConfig: false}));
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const chunksOnConfigCount = st.config.chunks.count({ns: 'test.user'});
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assert.eq(2, chunksOnConfigCount);
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const cacheChunksOnShard0 =
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st.shard0.getDB("config").getCollection("cache.chunks.test.user").find().toArray();
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const cacheChunksOnShard1 =
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st.shard1.getDB("config").getCollection("cache.chunks.test.user").find().toArray();
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assert.eq(chunksOnConfigCount, cacheChunksOnShard0.length);
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assert.eq(chunksOnConfigCount, cacheChunksOnShard1.length);
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assert.eq(cacheChunksOnShard0, cacheChunksOnShard1);
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st.stop();
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})();
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