restart the node servers automatically and safely org-ids/web-ide-iss…

…ues#236
eclipse · Jan 29, 2018 · 85cde43 · 85cde43
1 parent ecba9f4
commit 85cde43
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diff --git a/modules/orionode/orion.conf b/modules/orionode/orion.conf
@@ -38,6 +38,8 @@ orion.context.listenPath=false
 
 # Clusters (either: true,false,<number of workers>)
 orion_cluster=false
+# Cron style string specifing when to restart clusters (in UTC)
+orion_cluster_restart_timeout=
 
 # Mail
 mail.smtp.host=smtp.gmail.com

diff --git a/modules/orionode/package.json b/modules/orionode/package.json
@@ -14,6 +14,7 @@
     "compression": "^1.6.0",
     "connect-mongo": "^2.0.0",
     "cookie-parser": "^1.4.1",
+    "cron-parser": "^2.4.4",
     "diff": "^3.1.0",
     "express": "^4.13.3",
     "express-session": "^1.13.0",

diff --git a/modules/orionode/server.js b/modules/orionode/server.js
@@ -202,6 +202,19 @@ function startServer(cb) {
 			return Promise.all(data.promises).then(done, done);
 		}
 	});
+	if (cluster && configParams.get("orion_cluster_restart_timeout")) {
+		try {
+			var date = require("cron-parser").parseExpression(configParams.get("orion_cluster_restart_timeout"), {utc: true}).next();
+			var timeout = date.getTime() - Date.now();
+			logger.info('Cluster: worker ' + process.pid + ' scheduling restart on ' + date + " -> timeout=" + timeout);
+			setTimeout(function() {
+				logger.info('Cluster: worker ' + process.pid + ' restarting by timer...');
+				graceful.GracefulCluster.gracefullyRestartCurrentWorker();
+			}, timeout);
+		} catch (ex) {
+			logger.error(ex);
+		} 
+	}
 	process.on('uncaughtException', function(err) {
 		logger.error(err);
 		if (clusterParam) {