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// Validate a user deleting free monitoring in system.version does
// not crash mongod
load("jstests/free_mon/libs/free_mon.js");
(function() {
'use strict';
let mock_web = new FreeMonWebServer();
mock_web.start();
let options = {
setParameter: "cloudFreeMonitoringEndpointURL=" + mock_web.getURL(),
enableFreeMonitoring: "on",
verbose: 1,
};
const rst = new ReplSetTest({nodes: 2, nodeOptions: options});
rst.startSet();
rst.initiate();
rst.awaitReplication();
WaitForRegistration(rst.getPrimary());
mock_web.waitRegisters(2);
assert.eq(FreeMonGetServerStatus(rst.getPrimary()).state, 'enabled');
assert.eq(FreeMonGetServerStatus(rst.getSecondary()).state, 'enabled');
const qs1 = mock_web.queryStats();
// For kicks, delete the free monitoring storage state to knock free mon offline
// and make sure the node does not crash
rst.getPrimary().getDB("admin").system.version.remove({_id: "free_monitoring"});
sleep(20 * 1000);
const qs2 = mock_web.queryStats();
// Verify free monitoring stops but tolerate one additional collection
assert.gte(qs1.metrics + 2, qs2.metrics);
assert.eq(qs1.registers, qs2.registers);
// Make sure we are back to the initial state.
assert.eq(FreeMonGetServerStatus(rst.getPrimary()).state, 'undecided');
assert.eq(FreeMonGetServerStatus(rst.getSecondary()).state, 'undecided');
// Enable it again to be sure we can resume
assert.commandWorked(rst.getPrimary().adminCommand({setFreeMonitoring: 1, action: "enable"}));
WaitForRegistration(rst.getPrimary());
WaitForRegistration(rst.getSecondary());
sleep(20 * 1000);
assert.eq(FreeMonGetServerStatus(rst.getPrimary()).state, 'enabled');
assert.eq(FreeMonGetServerStatus(rst.getSecondary()).state, 'enabled');
rst.stopSet();
mock_web.stop();
})();
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