45 lines
2.0 KiB
JavaScript
45 lines
2.0 KiB
JavaScript
// Validates the remove/drain shard functionality when there is data on the shard being removed
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(function() {
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'use strict';
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var st = new ShardingTest({name: "remove_shard3", shards: 2, mongos: 2});
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assert.commandWorked(st.s0.adminCommand({enableSharding: 'TestDB'}));
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st.ensurePrimaryShard('TestDB', st.shard0.shardName);
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assert.commandWorked(st.s0.adminCommand({shardCollection: 'TestDB.Coll', key: {_id: 1}}));
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assert.commandWorked(st.s0.adminCommand({split: 'TestDB.Coll', middle: {_id: 0}}));
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// Insert some documents and make sure there are docs on both shards
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st.s0.getDB('TestDB').Coll.insert({_id: -1, value: 'Negative value'});
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st.s0.getDB('TestDB').Coll.insert({_id: 1, value: 'Positive value'});
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assert.commandWorked(st.s0.adminCommand(
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{moveChunk: 'TestDB.Coll', find: {_id: 1}, to: st.shard1.shardName, _waitForDelete: true}));
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// Make sure both mongos instances know of the latest metadata
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assert.eq(2, st.s0.getDB('TestDB').Coll.find({}).toArray().length);
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assert.eq(2, st.s1.getDB('TestDB').Coll.find({}).toArray().length);
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// Remove st.shard1.shardName
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var removeRes;
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removeRes = assert.commandWorked(st.s0.adminCommand({removeShard: st.shard1.shardName}));
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assert.eq('started', removeRes.state);
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removeRes = assert.commandWorked(st.s0.adminCommand({removeShard: st.shard1.shardName}));
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assert.eq('ongoing', removeRes.state);
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// Move the one chunk off st.shard1.shardName
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assert.commandWorked(st.s0.adminCommand(
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{moveChunk: 'TestDB.Coll', find: {_id: 1}, to: st.shard0.shardName, _waitForDelete: true}));
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// Remove shard must succeed now
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removeRes = assert.commandWorked(st.s0.adminCommand({removeShard: st.shard1.shardName}));
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assert.eq('completed', removeRes.state);
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// Make sure both mongos instance refresh their metadata and do not reference the missing shard
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assert.eq(2, st.s0.getDB('TestDB').Coll.find({}).toArray().length);
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assert.eq(2, st.s1.getDB('TestDB').Coll.find({}).toArray().length);
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st.stop();
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})();
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