feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/pm2/lib/Worker.js

@@ -0,0 +1,213 @@
+/**
+ * Copyright 2013-2022 the PM2 project authors. All rights reserved.
+ * Use of this source code is governed by a license that
+ * can be found in the LICENSE file.
+ */
+const vizion    = require('vizion');
+const eachLimit = require('async/eachLimit');
+const debug     = require('debug')('pm2:worker');
+const domain    = require('domain');
+const Cron      = require('croner');
+const pkg       = require('../package.json');
+
+var cst    = require('../constants.js');
+var vCheck = require('./VersionCheck.js')
+
+module.exports = function(God) {
+  var timer = null;
+
+  God.CronJobs = new Map();
+  God.Worker = {};
+  God.Worker.is_running = false;
+
+  God.getCronID = function(pm_id) {
+    return `cron-${pm_id}`
+  }
+
+  God.registerCron = function(pm2_env) {
+    if (!pm2_env ||
+        pm2_env.pm_id === undefined ||
+        !pm2_env.cron_restart ||
+        pm2_env.cron_restart == '0' ||
+        God.CronJobs.has(God.getCronID(pm2_env.pm_id)))
+      return;
+
+    var pm_id = pm2_env.pm_id
+    console.log('[PM2][WORKER] Registering a cron job on:', pm_id);
+
+    var job = Cron(pm2_env.cron_restart, function() {
+      God.restartProcessId({id: pm_id}, function(err, data) {
+        if (err)
+          console.error(err.stack || err);
+        return;
+      });
+    });
+
+    God.CronJobs.set(God.getCronID(pm_id), job);
+  }
+
+
+  /**
+   * Deletes the cron job on deletion of process
+   */
+  God.deleteCron = function(id) {
+    if (typeof(id) !== 'undefined' && God.CronJobs.has(God.getCronID(id)) === false)
+      return;
+    console.log('[PM2] Deregistering a cron job on:', id);
+    var job = God.CronJobs.get(God.getCronID(id));
+
+    if (job)
+      job.stop();
+
+    God.CronJobs.delete(God.getCronID(id));
+  };
+
+  var _getProcessById = function(pm_id) {
+    var proc = God.clusters_db[pm_id];
+    return proc ? proc : null;
+  };
+
+
+  var maxMemoryRestart = function(proc_key, cb) {
+    var proc = _getProcessById(proc_key.pm2_env.pm_id);
+
+    if (!(proc &&
+          proc.pm2_env &&
+          proc_key.monit))
+      return cb();
+
+    if (proc_key.monit.memory !== undefined &&
+        proc.pm2_env.max_memory_restart !== undefined &&
+        proc.pm2_env.max_memory_restart < proc_key.monit.memory &&
+        proc.pm2_env.axm_options &&
+        proc.pm2_env.axm_options.pid === undefined) {
+      console.log('[PM2][WORKER] Process %s restarted because it exceeds --max-memory-restart value (current_memory=%s max_memory_limit=%s [octets])', proc.pm2_env.pm_id, proc_key.monit.memory, proc.pm2_env.max_memory_restart);
+      God.reloadProcessId({
+        id : proc.pm2_env.pm_id
+      }, function(err, data) {
+        if (err)
+          console.error(err.stack || err);
+        return cb();
+      });
+    }
+    else {
+      return cb();
+    }
+  };
+
+  // Deprecated
+  var versioningRefresh = function(proc_key, cb) {
+    var proc = _getProcessById(proc_key.pm2_env.pm_id);
+    if (!(proc &&
+          proc.pm2_env &&
+          (proc.pm2_env.vizion !== false && proc.pm2_env.vizion != "false") &&
+          proc.pm2_env.versioning &&
+          proc.pm2_env.versioning.repo_path)) {
+      return cb();
+    }
+
+    if (proc.pm2_env.vizion_running === true)
+    {
+      debug('Vizion is already running for proc id: %d, skipping this round', proc.pm2_env.pm_id);
+      return cb();
+    }
+
+    proc.pm2_env.vizion_running = true;
+    var repo_path = proc.pm2_env.versioning.repo_path;
+
+    vizion.analyze({
+      folder: proc.pm2_env.versioning.repo_path
+    },
+    function(err, meta) {
+      if (err != null)
+        return cb();
+
+      proc = _getProcessById(proc_key.pm2_env.pm_id);
+
+      if (!(proc &&
+            proc.pm2_env &&
+            proc.pm2_env.versioning &&
+            proc.pm2_env.versioning.repo_path)) {
+        console.error('Proc not defined anymore or versioning unknown');
+        return cb();
+      }
+
+      proc.pm2_env.vizion_running = false;
+      meta.repo_path = repo_path;
+      proc.pm2_env.versioning = meta;
+      debug('[PM2][WORKER] %s parsed for versioning', proc.pm2_env.name);
+      return cb();
+    });
+  };
+
+  var tasks = function() {
+    if (God.Worker.is_running === true) {
+      debug('[PM2][WORKER] Worker is already running, skipping this round');
+      return false;
+    }
+    God.Worker.is_running = true;
+
+    God.getMonitorData(null, function(err, data) {
+      if (err || !data || typeof(data) !== 'object') {
+        God.Worker.is_running = false;
+        return console.error(err);
+      }
+
+      eachLimit(data, 1, function(proc, next) {
+        if (!proc || !proc.pm2_env || proc.pm2_env.pm_id === undefined)
+          return next();
+
+        debug('[PM2][WORKER] Processing proc id:', proc.pm2_env.pm_id);
+
+        // Reset restart delay if application has an uptime of more > 30secs
+        if (proc.pm2_env.exp_backoff_restart_delay !== undefined &&
+            proc.pm2_env.prev_restart_delay && proc.pm2_env.prev_restart_delay > 0) {
+          var app_uptime = Date.now() - proc.pm2_env.pm_uptime
+          if (app_uptime > cst.EXP_BACKOFF_RESET_TIMER) {
+            var ref_proc = _getProcessById(proc.pm2_env.pm_id);
+            ref_proc.pm2_env.prev_restart_delay = 0
+            console.log(`[PM2][WORKER] Reset the restart delay, as app ${proc.name} has been up for more than ${cst.EXP_BACKOFF_RESET_TIMER}ms`)
+          }
+        }
+
+        // Check if application has reached memory threshold
+        maxMemoryRestart(proc, function() {
+          return next();
+        });
+      }, function(err) {
+        God.Worker.is_running = false;
+        debug('[PM2][WORKER] My job here is done, next job in %d seconds', parseInt(cst.WORKER_INTERVAL / 1000));
+      });
+    });
+  };
+
+  var wrappedTasks = function() {
+    var d = domain.create();
+
+    d.once('error', function(err) {
+      console.error('[PM2][WORKER] Error caught by domain:\n' + (err.stack || err));
+      God.Worker.is_running = false;
+    });
+
+    d.run(function() {
+      tasks();
+    });
+  };
+
+
+  God.Worker.start = function() {
+    timer = setInterval(wrappedTasks, cst.WORKER_INTERVAL);
+
+    setInterval(() => {
+      vCheck({
+        state: 'check',
+        version: pkg.version
+      })
+    }, 1000 * 60 * 60 * 24)
+  };
+
+  God.Worker.stop = function() {
+    if (timer !== null)
+      clearInterval(timer);
+  };
+};