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51 lines
2.2 KiB
JavaScript
51 lines
2.2 KiB
JavaScript
/**
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* Tests that the freezeTimeout election reason counter in serverStatus is incremented in a single
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* node replica set both after a freeze timeout and after a stepdown timeout expires.
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*/
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(function() {
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"use strict";
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load('jstests/replsets/libs/election_metrics.js');
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jsTestLog('1: initialize single node replica set');
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const replSet = new ReplSetTest({name: 'freeze_timeout', nodes: 1});
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replSet.startSet();
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// Increase the election timeout to 24 hours so that elections are not called due to election
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// timeouts, since we need them to be called for the kSingleNodePromptElection election reason.
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replSet.initiateWithHighElectionTimeout();
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let primary = replSet.getPrimary();
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const initialPrimaryStatus = assert.commandWorked(primary.adminCommand({serverStatus: 1}));
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jsTestLog('2: step down primary');
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assert.commandWorked(primary.getDB("admin").runCommand({replSetStepDown: 1, force: 1}));
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jsTestLog('3: wait for stepped down node to become primary again');
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primary = replSet.getPrimary();
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// Check that both the 'called' and 'successful' fields of the 'freezeTimeout' election reason
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// counter have been incremented in serverStatus. When a stepdown timeout expires in a single
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// node replica set, an election is called for the same reason as is used when a freeze timeout
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// expires.
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let newPrimaryStatus = assert.commandWorked(primary.adminCommand({serverStatus: 1}));
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verifyServerStatusElectionReasonCounterChange(
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initialPrimaryStatus.electionMetrics, newPrimaryStatus.electionMetrics, "freezeTimeout", 1);
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jsTestLog('4: step down primary again');
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assert.commandWorked(primary.getDB("admin").runCommand({replSetStepDown: 30, force: 1}));
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jsTestLog('5: unfreeze stepped down primary');
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primary.getDB("admin").runCommand({replSetFreeze: 0});
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jsTestLog('6: wait for unfrozen node to become primary again');
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primary = replSet.getPrimary();
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// Check that both the 'called' and 'successful' fields of the 'freezeTimeout' election reason
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// counter have been incremented again in serverStatus.
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newPrimaryStatus = assert.commandWorked(primary.adminCommand({serverStatus: 1}));
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verifyServerStatusElectionReasonCounterChange(
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initialPrimaryStatus.electionMetrics, newPrimaryStatus.electionMetrics, "freezeTimeout", 2);
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replSet.stopSet();
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})();
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