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/**
* Validate that backtraces are logged to a separate file
*
* @tags: [requires_persistence]
*/
(function() {
'use strict';
function waitFailedToStart(pid, exitCode) {
assert.soon(function() {
return !checkProgram(pid).alive;
}, `Failed to wait for ${pid} to die`, 3 * 60 * 1000);
assert.eq(exitCode,
checkProgram(pid).exitCode,
`Failed to wait for ${pid} to die with exit code ${exitCode}`);
}
function parseLogFile(file) {
const result = cat(file);
const json_str = result.split("\n")[0];
try {
return JSON.parse(json_str);
} catch (e) {
jsTestLog("Failed to parse: " + result + "\n" + json_str);
throw e;
}
}
// Run MongoD successfully so we populate the data directory
var m = MongoRunner.runMongod({});
assert.commandWorked(m.getDB("test").foo.insert({x: 1}));
MongoRunner.stopMongod(m);
// Make sure it is stopped before we manipulate the turtle file
waitFailedToStart(m.pid, 0);
// Sleep
sleep(5000);
const dbpath = m.dbpath.replace("\\", "/");
const backtraceLogFile = `backtrace.log`;
const backtraceLogFileFullPath = dbpath + "/" + backtraceLogFile;
print(dbpath);
// Corrupt the WiredTiger. turtle file to trigger a backtrace
const command = `echo xxxxxxxxxxxxxxxxxxxxx > ${dbpath}/WiredTiger.turtle`;
let ret;
if (_isWindows()) {
ret = runProgram('cmd.exe', '/c', command);
} else {
ret = runProgram('/bin/sh', '-c', command);
}
assert.eq(ret, 0);
// Restart MongoD with the corrupted turtle file
m = MongoRunner.runMongod({
setParameter: "backtraceLogFile=" + backtraceLogFileFullPath,
dbpath: dbpath,
restart: true,
cleanData: false,
waitForConnect: false
});
if (_isWindows()) {
waitFailedToStart(m.pid, 14); // MongoRunner.EXIT_ABORT
} else {
waitFailedToStart(m.pid, 6); // MongoRunner.EXIT_ABORT
}
// Check we have one log line
let log = parseLogFile(backtraceLogFileFullPath);
assert.eq(log["id"], 31380);
assert.eq(log["msg"], "BACKTRACE");
})();
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