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65 lines
2.2 KiB
JavaScript
65 lines
2.2 KiB
JavaScript
/*
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* Simple test to ensure that an invalid reconfig fails, a valid one succeeds, and a reconfig won't
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* succeed without force if force is needed.
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*/
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(function() {
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"use strict";
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// Skip db hash check because secondary is left with a different config.
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TestData.skipCheckDBHashes = true;
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var numNodes = 5;
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var replTest = new ReplSetTest({name: 'testSet', nodes: numNodes});
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var nodes = replTest.startSet();
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replTest.initiate();
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var primary = replTest.getPrimary();
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replTest.awaitSecondaryNodes();
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jsTestLog("Valid reconfig");
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var config = primary.getDB("local").system.replset.findOne();
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printjson(config);
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config.version++;
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config.members[nodes.indexOf(primary)].priority = 2;
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assert.commandWorked(primary.getDB("admin").runCommand({replSetReconfig: config}));
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// Successful reconfig writes a no-op into the oplog.
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const expectedNoOp = {
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op: "n",
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o: {msg: "Reconfig set", version: config.version}
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};
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const primaryOplog = primary.getDB("local")['oplog.rs'];
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const lastOp = primaryOplog.find(expectedNoOp).sort({'$natural': -1}).limit(1).toArray();
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assert(lastOp.length > 0);
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replTest.awaitReplication();
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jsTestLog("Invalid reconfig");
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config.version++;
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var badMember = {_id: numNodes, host: "localhost:12345", priority: "High"};
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config.members.push(badMember);
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var invalidConfigCode = 93;
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assert.commandFailedWithCode(primary.adminCommand({replSetReconfig: config}), invalidConfigCode);
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jsTestLog("No force when needed.");
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config.members = config.members.slice(0, numNodes - 1);
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var secondary = replTest.getSecondary();
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config.members[nodes.indexOf(secondary)].priority = 5;
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var admin = secondary.getDB("admin");
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var forceRequiredCode = 10107;
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assert.commandFailedWithCode(admin.runCommand({replSetReconfig: config}), forceRequiredCode);
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jsTestLog("Force when appropriate");
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assert.commandWorked(admin.runCommand({replSetReconfig: config, force: true}));
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// Wait for the last node to know it is REMOVED before stopping the test.
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jsTestLog("Waiting for the last node to be REMOVED.");
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assert.soonNoExcept(() => {
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assert.commandFailedWithCode(nodes[4].adminCommand({'replSetGetStatus': 1}),
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ErrorCodes.InvalidReplicaSetConfig);
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return true;
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});
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jsTestLog("Finished waiting for the last node to be REMOVED.");
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replTest.stopSet();
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}());
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