Files
cloudron-box/src/crashnotifier.js
Girish Ramakrishnan 445c83c8b9 make auditsource a class
this allows us to use AuditSource for the class and auditSource for
the instances!
2021-09-30 10:13:36 -07:00

54 lines
1.9 KiB
JavaScript

'use strict';
exports = module.exports = {
sendFailureLogs
};
const assert = require('assert'),
AuditSource = require('./auditsource.js'),
child_process = require('child_process'),
eventlog = require('./eventlog.js'),
safe = require('safetydance'),
path = require('path'),
paths = require('./paths.js'),
util = require('util');
const COLLECT_LOGS_CMD = path.join(__dirname, 'scripts/collectlogs.sh');
const CRASH_LOG_TIMESTAMP_OFFSET = 1000 * 60 * 60; // 60 min
const CRASH_LOG_TIMESTAMP_FILE = '/tmp/crashlog.timestamp';
async function collectLogs(unitName) {
assert.strictEqual(typeof unitName, 'string');
const logs = child_process.execSync(`sudo ${COLLECT_LOGS_CMD} ${unitName}`, { encoding: 'utf8' });
return logs;
}
async function sendFailureLogs(unitName) {
assert.strictEqual(typeof unitName, 'string');
// check if we already sent a mail in the last CRASH_LOG_TIME_OFFSET window
const timestamp = safe.fs.readFileSync(CRASH_LOG_TIMESTAMP_FILE, 'utf8');
if (timestamp && (parseInt(timestamp) + CRASH_LOG_TIMESTAMP_OFFSET) > Date.now()) {
console.log('Crash log already sent within window');
return;
}
let [error, logs] = await safe(collectLogs(unitName));
if (error) {
console.error('Failed to collect logs.', error);
logs = util.format('Failed to collect logs.', error);
}
const crashId = `${new Date().toISOString()}`;
console.log(`Creating crash log for ${unitName} with id ${crashId}`);
if (!safe.fs.writeFileSync(path.join(paths.CRASH_LOG_DIR, `${crashId}.log`), logs)) console.log(`Failed to stash logs to ${crashId}.log:`, safe.error);
[error] = await safe(eventlog.add(eventlog.ACTION_PROCESS_CRASH, AuditSource.HEALTH_MONITOR, { processName: unitName, crashId: crashId }));
if (error) console.log(`Error sending crashlog. Logs stashed at ${crashId}.log`);
safe.fs.writeFileSync(CRASH_LOG_TIMESTAMP_FILE, String(Date.now()));
}