@eggjs/logrotator
Version:
logrotator for egg
84 lines • 7.25 kB
JavaScript
import path from 'node:path';
import moment from 'moment';
import fs from 'node:fs/promises';
import { debuglog } from 'node:util';
import { exists } from 'utility';
import { LogRotator } from './rotator.js';
import { walkLoggerFile } from './utils.js';
const debug = debuglog('@eggjs/logrotator/lib/day_rotator');
// rotate log by day
// rename from foo.log to foo.log.YYYY-MM-DD
export class DayRotator extends LogRotator {
filesRotateBySize;
filesRotateByHour;
constructor(options) {
super(options);
this.filesRotateBySize = this.app.config.logrotator.filesRotateBySize || [];
this.filesRotateByHour = this.app.config.logrotator.filesRotateByHour || [];
}
async getRotateFiles() {
const files = new Map();
const logDir = this.app.config.logger.dir;
const loggers = this.app.loggers;
const loggerFiles = walkLoggerFile(loggers);
for (let file of loggerFiles) {
// support relative path
if (!path.isAbsolute(file)) {
file = path.join(logDir, file);
}
this._setFile(file, files);
}
// Should rotate agent log, because schedule is running under app worker,
// agent log is the only difference between app worker and agent worker.
// - app worker -> egg-web.log
// - agent worker -> egg-agent.log
const agentLogName = this.app.config.logger.agentLogName;
this._setFile(path.join(logDir, agentLogName), files);
// rotateLogDirs is deprecated
const rotateLogDirs = this.app.config.logger.rotateLogDirs;
if (rotateLogDirs && rotateLogDirs.length > 0) {
this.app.deprecate('[egg-logrotator] Do not use app.config.logger.rotateLogDirs, only rotate core loggers and custom loggers');
for (const dir of rotateLogDirs) {
const stat = await exists(dir);
if (!stat)
continue;
try {
const names = await fs.readdir(dir);
for (const name of names) {
if (!name.endsWith('.log')) {
continue;
}
this._setFile(path.join(dir, name), files);
}
}
catch (err) {
this.logger.error(err);
}
}
}
return files;
}
_setFile(srcPath, files) {
// don't rotate logPath in filesRotateBySize
if (this.filesRotateBySize.includes(srcPath)) {
return;
}
// don't rotate logPath in filesRotateByHour
if (this.filesRotateByHour.includes(srcPath)) {
return;
}
if (!files.has(srcPath)) {
const ext = this.app.config.logrotator.gzip === true ? '.gz' : '';
// allow 2 minutes deviation
const targetPath = srcPath +
moment()
.subtract(23, 'hours')
.subtract(58, 'minutes')
.format('.YYYY-MM-DD') +
ext;
debug('set file %s => %s', srcPath, targetPath);
files.set(srcPath, { srcPath, targetPath });
}
}
}
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