3ebd970fb8
This re-applies commit 6eccc037b1 with a fix
for occasional failures of zero_vote_arbiter.js:
Don't assume that the first member started is always the primary.
Closes #856
Signed-off-by: Benety Goh <benety@mongodb.com>
115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
/*
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* Test that replSetInitiate and replSetReconfig prohibit zero-vote arbiters,
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* SERVER-13627.
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*/
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var NewReplicaSetConfigurationIncompatible = 103;
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var InvalidReplicaSetConfig = 93;
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/*
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* Create replica set with 3 nodes, add new node as 0-vote arbiter.
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*/
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(function addArbiterZeroVotes() {
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var replTest = new ReplSetTest({nodes: 3});
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replTest.startSet();
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replTest.initiate();
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var arbiterConn = replTest.add();
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var admin = replTest.getPrimary().getDB("admin");
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var conf = admin.runCommand({replSetGetConfig: 1}).config;
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conf.members.push({
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_id: 3,
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host: arbiterConn.host,
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arbiterOnly: true,
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votes: 0
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});
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conf.version++;
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jsTestLog('Add arbiter with zero votes:');
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var response = admin.runCommand({replSetReconfig: conf});
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assert.commandFailed(response);
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assert.eq(response.code, NewReplicaSetConfigurationIncompatible);
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assert(/.*arbiter must vote.*/i.test(response.errmsg));
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replTest.stopSet();
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})();
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/*
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* Replica set with 4 nodes, 2 are arbiters. Reconfigure one with 0 votes.
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*/
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(function reconfigArbiterZeroVotes() {
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var replTest = new ReplSetTest({nodes: 4});
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replTest.startSet();
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var config = replTest.getReplSetConfig();
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config.members[2].arbiterOnly = true;
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config.members[3].arbiterOnly = true;
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replTest.initiate(config);
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var admin = replTest.getPrimary().getDB("admin");
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var conf = admin.runCommand({replSetGetConfig: 1}).config;
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jsTestLog('Reconfig arbiter with zero votes:');
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conf.members[3].votes = 0;
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conf.version++;
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var response = admin.runCommand({replSetReconfig: conf});
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printjson(response);
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assert.commandFailed(response);
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assert.eq(response.code, NewReplicaSetConfigurationIncompatible);
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assert(/.*arbiter must vote.*/i.test(response.errmsg));
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replTest.stopSet();
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})();
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/*
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* replSetInitiate with a 0-vote arbiter.
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*/
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(function initiateArbiterZeroVotes() {
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var replTest = new ReplSetTest({nodes: 3});
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var conns = replTest.startSet();
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var config = replTest.getReplSetConfig();
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config.members[2].arbiterOnly = true;
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config.members[2].votes = 0;
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var admin = conns[0].getDB("admin");
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jsTestLog('replSetInitiate with 0-vote arbiter:');
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var response = admin.runCommand({replSetInitiate: config});
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printjson(response);
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assert.commandFailed(response);
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// Test for SERVER-15838 wrong error from RS init with 0-vote arbiter.
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assert.eq(response.code, InvalidReplicaSetConfig);
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assert(/.*arbiter must vote.*/i.test(response.errmsg));
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replTest.stopSet();
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})();
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/*
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* Replica set with max number of voting nodes. Add a 0-vote arbiter.
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*/
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(function maxVoteEdgeAddArbiterZeroVotes() {
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var replTest = new ReplSetTest({nodes: 7});
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replTest.startSet();
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replTest.initiate();
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var arbiterConn = replTest.add();
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var admin = replTest.getPrimary().getDB("admin");
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var conf = admin.runCommand({replSetGetConfig: 1}).config;
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conf.members.push({
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_id: 7,
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host: arbiterConn.host,
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arbiterOnly: true,
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votes: 0
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});
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conf.version++;
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jsTestLog('Add arbiter with zero votes:');
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var response = admin.runCommand({replSetReconfig: conf});
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assert.commandFailed(response);
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assert.eq(response.code, NewReplicaSetConfigurationIncompatible);
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assert(/.*arbiter must vote.*/i.test(response.errmsg));
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replTest.stopSet();
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})();
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