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// tests getlog as well as slow querying logging
//
// @tags: [
// # This test attempts to perform a find command and see that it ran using the getLog command.
// # The former operation may be routed to a secondary in the replica set, whereas the latter must
// # be routed to the primary.
// assumes_read_preference_unchanged,
// does_not_support_stepdowns,
// ]
(function() {
'use strict';
// We turn off gossiping the mongo shell's clusterTime because it causes the slow command log
// messages to get truncated since they'll exceed 512 characters. The truncated log messages
// will fail to match the find and update patterns defined later on in this test.
TestData.skipGossipingClusterTime = true;
const glcol = db.getLogTest2;
glcol.drop();
function contains(arr, func) {
let i = arr.length;
while (i--) {
if (func(arr[i])) {
return true;
}
}
return false;
}
// test doesn't work when talking to mongos
if (db.isMaster().msg === "isdbgrid") {
return;
}
// 1. Run a slow query
glcol.save({"SENTINEL": 1});
glcol.findOne({
"SENTINEL": 1,
"$where": function() {
sleep(1000);
return true;
}
});
const query = assert.commandWorked(db.adminCommand({getLog: "global"}));
assert(query.log, "no log field");
assert.gt(query.log.length, 0, "no log lines");
// Ensure that slow query is logged in detail.
assert(contains(query.log, function(v) {
print(v);
const opString = db.getMongo().useReadCommands() ? " find " : " query ";
const filterString = db.getMongo().useReadCommands() ? "filter:" : "command:";
return v.indexOf(opString) != -1 && v.indexOf(filterString) != -1 &&
v.indexOf("keysExamined:") != -1 && v.indexOf("docsExamined:") != -1 &&
v.indexOf("SENTINEL") != -1;
}));
// 2. Run a slow update
glcol.update({
"SENTINEL": 1,
"$where": function() {
sleep(1000);
return true;
}
},
{"x": "x"});
const update = assert.commandWorked(db.adminCommand({getLog: "global"}));
assert(update.log, "no log field");
assert.gt(update.log.length, 0, "no log lines");
// Ensure that slow update is logged in deail.
assert(contains(update.log, function(v) {
print(v);
return v.indexOf(" update ") != -1 && v.indexOf("command") != -1 &&
v.indexOf("keysExamined:") != -1 && v.indexOf("docsExamined:") != -1 &&
v.indexOf("SENTINEL") != -1;
}));
})();
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