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// Test server validation of the 'transactionLifetimeLimitSeconds' server parameter setting on
// startup and via setParameter command.
(function() {
'use strict';
// transactionLifetimeLimitSeconds is set to be higher than its default value in test suites.
delete TestData.transactionLifetimeLimitSeconds;
/**
* Takes a server connection 'conn' and server parameter 'field' and calls getParameter on the
* connection to retrieve the current setting of that server parameter.
*/
function getParameter(conn, field) {
var q = {getParameter: 1};
q[field] = 1;
var ret = conn.getDB("admin").runCommand(q);
return ret[field];
}
/**
* Calls setParameter on 'conn' server connection, setting server parameter 'field' to 'value'.
*/
function setParameter(conn, field, value) {
var cmd = {setParameter: 1};
cmd[field] = value;
return conn.adminCommand(cmd);
}
// Check that 'transaictionLifetimeLimitSeconds' defaults to 60s on startup.
let conn1 = MongoRunner.runMongod({});
assert.eq(getParameter(conn1, "transactionLifetimeLimitSeconds"), 60);
// Check that 'transactionLifetimeLimitSeconds' can be set via setParameter.
assert.commandWorked(setParameter(conn1, "transactionLifetimeLimitSeconds", 30));
assert.eq(getParameter(conn1, "transactionLifetimeLimitSeconds"), 30);
// Check that setParameter on 'transactionLifetimeLimitSeconds' does validation checking:
// setting 'transactionLifetimeLimitSeconds' below 1s should not be allowed.
assert.commandFailedWithCode(setParameter(conn1, "transactionLifetimeLimitSeconds", -15),
ErrorCodes.BadValue);
assert.eq(getParameter(conn1, "transactionLifetimeLimitSeconds"), 30);
MongoRunner.stopMongod(conn1);
// Check that 'transactionLifetimeLimitSeconds' can be set on startup.
let conn2 = MongoRunner.runMongod({setParameter: "transactionLifetimeLimitSeconds=50"});
assert.eq(getParameter(conn2, "transactionLifetimeLimitSeconds"), 50);
MongoRunner.stopMongod(conn2);
// Check that 'transactionLifetimeLimitSeconds' cannot be set below 1s on startup.
let conn3 = MongoRunner.runMongod({setParameter: "transactionLifetimeLimitSeconds=0"});
assert.eq(
null,
conn3,
"expected mongod to fail to startup with an invalid 'transactionLifetimeLimitSeconds'" +
" server parameter setting of 0s.");
})();
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