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mongodb/jstests/replsets/server_election_metrics.js

61 lines
3.0 KiB
JavaScript

/**
* Tests the format of 'electionMetrics' serverStatus section.
*/
(function() {
"use strict";
// Verifies that the 'electionMetrics' serverStatus section has the given field.
function verifyElectionMetricsField(serverStatusResponse, fieldName) {
assert(serverStatusResponse.electionMetrics.hasOwnProperty(fieldName),
() => (`The 'electionMetrics' serverStatus section did not have the '${fieldName}' \
field: \n${tojson(serverStatusResponse.electionMetrics)}`));
return serverStatusResponse.electionMetrics[fieldName];
}
// Verifies that the 'electionMetrics' serverStatus section has a field for the given election
// reason counter and that it has the subfields 'called' and 'successful'.
function verifyElectionReasonCounterFields(serverStatusResponse, fieldName) {
const field = verifyElectionMetricsField(serverStatusResponse, fieldName);
assert(field.hasOwnProperty("called"),
() => (`The '${fieldName}' field in the 'electionMetrics' serverStatus section did \
not have the 'called' field: \n${tojson(field)}`));
assert(field.hasOwnProperty("successful"),
() => (`The '${fieldName}' field in the 'electionMetrics' serverStatus section did \
not have the 'successful' field: \n${tojson(field)}`));
}
// Verifies the format of the 'electionMetrics' serverStatus section.
function verifyElectionMetricsSSS(serverStatusResponse) {
assert(serverStatusResponse.hasOwnProperty("electionMetrics"),
() => (`Expected the serverStatus response to have an 'electionMetrics' field:
${tojson(serverStatusResponse)}`));
verifyElectionReasonCounterFields(serverStatusResponse, "stepUpCmd");
verifyElectionReasonCounterFields(serverStatusResponse, "priorityTakeover");
verifyElectionReasonCounterFields(serverStatusResponse, "catchUpTakeover");
verifyElectionReasonCounterFields(serverStatusResponse, "electionTimeout");
verifyElectionReasonCounterFields(serverStatusResponse, "freezeTimeout");
verifyElectionMetricsField(serverStatusResponse, "numStepDownsCausedByHigherTerm");
verifyElectionMetricsField(serverStatusResponse, "numCatchUps");
verifyElectionMetricsField(serverStatusResponse, "numCatchUpsSucceeded");
verifyElectionMetricsField(serverStatusResponse, "numCatchUpsAlreadyCaughtUp");
verifyElectionMetricsField(serverStatusResponse, "numCatchUpsSkipped");
verifyElectionMetricsField(serverStatusResponse, "numCatchUpsTimedOut");
verifyElectionMetricsField(serverStatusResponse, "numCatchUpsFailedWithError");
verifyElectionMetricsField(serverStatusResponse, "numCatchUpsFailedWithNewTerm");
verifyElectionMetricsField(serverStatusResponse,
"numCatchUpsFailedWithReplSetAbortPrimaryCatchUpCmd");
}
// Set up the replica set.
const rst = new ReplSetTest({nodes: 1});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const serverStatusResponse = assert.commandWorked(primary.adminCommand({serverStatus: 1}));
verifyElectionMetricsSSS(serverStatusResponse);
// Stop the replica set.
rst.stopSet();
}());