3ed6635a5f
This is just a cleanup work to hide some of the private state of ReplSetTest so it is easier to encapsulate and add new logic. Also enables strict mode.
83 lines
2.6 KiB
JavaScript
83 lines
2.6 KiB
JavaScript
load("jstests/replsets/rslib.js");
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(function() {
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"use strict";
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var name = "protocol_version_upgrade_downgrade";
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var rst = new ReplSetTest({name: name, nodes: 3});
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rst.startSet();
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// Initiate the replset in protocol version 0.
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var conf = rst.getReplSetConfig();
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conf.settings = conf.settings || { };
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conf.protocolVersion = 0;
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// The first node will always be the primary.
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conf.members[0].priority = 1;
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conf.members[1].priority = 0;
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conf.members[2].priority = 0;
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rst.initiate(conf);
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rst.awaitSecondaryNodes();
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var primary = rst.getPrimary();
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var primaryColl = primary.getDB("test").coll;
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// Set verbosity for replication on all nodes.
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var verbosity = {
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"setParameter" : 1,
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"logComponentVerbosity" : {
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"replication" : { "verbosity" : 3 },
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}
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}
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primary.adminCommand(verbosity);
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rst.getSecondaries().forEach(function (node) {node.adminCommand(verbosity)});
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// Do a write, this will set up sync sources on secondaries.
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print("do a write");
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assert.writeOK(primaryColl.bar.insert({x: 1}, {writeConcern: {w: 3}}));
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// Check optime format in protocol version 0, which is a Timestamp.
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var res = primary.adminCommand({replSetGetStatus: 1});
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assert.commandWorked(res);
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// Check the optime is a Timestamp, not an OpTime { ts: Timestamp, t: int }
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assert.eq(res.members[0].optime.ts, null);
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//
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// Upgrade protocol version
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//
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res = primary.adminCommand({replSetGetConfig: 1});
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assert.commandWorked(res);
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conf = res.config;
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assert.eq(conf.protocolVersion, undefined);
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// Change protocol version
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conf.protocolVersion = 1;
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conf.version++;
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reconfig(rst, conf);
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// This write may block until all nodes finish upgrade, because replSetUpdatePosition may be
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// rejected by the primary for mismatched config version before secondaries get reconfig.
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// This will make secondaries wait for 0.5 seconds and retry.
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assert.writeOK(primaryColl.bar.insert({x: 2}, {writeConcern: {w: 3}}));
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// Check optime format in protocol version 1, which is an object including the term.
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res = primary.adminCommand({replSetGetStatus: 1});
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assert.commandWorked(res);
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assert.eq(res.members[0].optime.t, NumberLong(0));
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//
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// Downgrade protocol version
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//
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res = primary.adminCommand({replSetGetConfig: 1});
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assert.commandWorked(res);
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conf = res.config;
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assert.eq(conf.protocolVersion, 1);
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// Change protocol version
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conf.protocolVersion = 0;
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conf.version++;
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reconfig(rst, conf);
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assert.writeOK(primaryColl.bar.insert({x: 3}, {writeConcern: {w: 3}}));
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// Check optime format in protocol version 0, which is a Timestamp.
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res = primary.adminCommand({replSetGetStatus: 1});
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assert.commandWorked(res);
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assert.eq(res.members[0].optime.ts, null);
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})();
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