105 lines
3.8 KiB
JavaScript
105 lines
3.8 KiB
JavaScript
//
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// Testing migrations between latest and last-lts mongod versions, where the
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// donor is the latest version and the recipient the last-lts, and vice versa.
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// Migrations should be successful.
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//
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// Checking UUID consistency involves talking to a shard node, which in this test is shutdown
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TestData.skipCheckingUUIDsConsistentAcrossCluster = true;
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load("./jstests/multiVersion/libs/verify_versions.js");
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(function() {
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"use strict";
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var options = {
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shards: [
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{binVersion: "last-lts"},
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{binVersion: "last-lts"},
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{binVersion: "latest"},
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{binVersion: "latest"}
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],
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mongos: 1,
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other: {mongosOptions: {binVersion: "last-lts"}}
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};
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var st = new ShardingTest(options);
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st.stopBalancer();
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assert.binVersion(st.shard0, "last-lts");
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assert.binVersion(st.shard1, "last-lts");
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assert.binVersion(st.shard2, "latest");
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assert.binVersion(st.shard3, "latest");
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assert.binVersion(st.s0, "last-lts");
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var mongos = st.s0, admin = mongos.getDB('admin'),
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shards = mongos.getCollection('config.shards').find().toArray(),
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fooDB = "fooTest", fooNS = fooDB + ".foo", fooColl = mongos.getCollection(fooNS),
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fooDonor = st.shard0, fooRecipient = st.shard2, fooDonorColl = fooDonor.getCollection(fooNS),
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fooRecipientColl = fooRecipient.getCollection(fooNS),
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barDB = "barTest", barNS = barDB + ".foo", barColl = mongos.getCollection(barNS),
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barDonor = st.shard3, barRecipient = st.shard1, barDonorColl = barDonor.getCollection(barNS),
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barRecipientColl = barRecipient.getCollection(barNS);
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assert.commandWorked(admin.runCommand({enableSharding: fooDB}));
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assert.commandWorked(admin.runCommand({enableSharding: barDB}));
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st.ensurePrimaryShard(fooDB, shards[0]._id);
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st.ensurePrimaryShard(barDB, shards[3]._id);
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assert.commandWorked(admin.runCommand({shardCollection: fooNS, key: {a: 1}}));
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assert.commandWorked(admin.runCommand({split: fooNS, middle: {a: 10}}));
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assert.commandWorked(admin.runCommand({shardCollection: barNS, key: {a: 1}}));
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assert.commandWorked(admin.runCommand({split: barNS, middle: {a: 10}}));
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assert.commandWorked(fooColl.insert({a: 0}));
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assert.commandWorked(fooColl.insert({a: 10}));
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assert.eq(0, fooRecipientColl.count());
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assert.eq(2, fooDonorColl.count());
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assert.eq(2, fooColl.count());
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assert.commandWorked(barColl.insert({a: 0}));
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assert.commandWorked(barColl.insert({a: 10}));
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assert.eq(0, barRecipientColl.count());
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assert.eq(2, barDonorColl.count());
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assert.eq(2, barColl.count());
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/**
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* Perform two migrations:
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* shard0 (last-lts) -> foo chunk -> shard2 (latest)
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* shard3 (latest) -> bar chunk -> shard1 (last-lts)
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*/
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assert.commandWorked(
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admin.runCommand({moveChunk: fooNS, find: {a: 10}, to: shards[2]._id, _waitForDelete: true}));
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assert.commandWorked(
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admin.runCommand({moveChunk: barNS, find: {a: 10}, to: shards[1]._id, _waitForDelete: true}));
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assert.eq(1,
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fooRecipientColl.count(),
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"Foo collection migration failed. " +
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"Last-lts -> latest mongod version migration failure.");
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assert.eq(1,
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fooDonorColl.count(),
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"Foo donor lost its document. " +
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"Last-lts -> latest mongod version migration failure.");
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assert.eq(2,
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fooColl.count(),
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"Incorrect number of documents in foo collection. " +
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"Last-lts -> latest mongod version migration failure.");
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assert.eq(1,
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barRecipientColl.count(),
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"Bar collection migration failed. " +
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"Latest -> last-lts mongod version migration failure.");
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assert.eq(1,
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barDonorColl.count(),
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"Bar donor lost its document. " +
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"Latest -> last-lts mongod version migration failure.");
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assert.eq(2,
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barColl.count(),
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"Incorrect number of documents in bar collection. " +
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"Latest -> last-lts mongod version migration failure.");
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st.stop();
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})();
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