use start/stop stype

Author: anandkumarpatel

app.js

@@ -24,7 +24,7 @@ Api.prototype.start = function (cb) {
   // start github ssh key generator
   keyGen.start();
   // start sending socket count
-  dogstatsd.captureSocketCount();
+  dogstatsd.monitorStart();
 
   var count = createCount(callback);
   // connect to mongoose
@@ -69,6 +69,8 @@ Api.prototype.stop = function (cb) {
     var count = createCount(cb);
     // stop github ssh key generator
     keyGen.stop();
+    // stop sending socket count
+    dogstatsd.monitorStart();
     // express server
     mongooseControl.stop(count.inc().next);
     events.close(count.inc().next);

configs/.env

@@ -44,3 +44,4 @@ POLL_MONGO_TIMEOUT="30 minutes"
 GITHUB_SCOPE="user:email,repo,repo_deployment,read:repo_hook"
 GITHUB_HOOK_SECRET="3V3RYTHINGisAW3S0ME!"
 DOCKER_IMAGE_BUILDER_CACHE="/git-cache"
+MONITOR_INTERVAL="1 minute"

lib/models/datadog/index.js

@@ -39,8 +39,22 @@ function captureSocketCount () {
     if (err) { return; }
     client.gauge('api.openFiles', parseInt(stdout), 1, ['pid:'+process.pid]);
   });
-  setTimeout(captureSocketCount, 60000);
+}
+
+var interval;
+
+function monitorStart () {
+  if (interval) { return; }
+  interval = setInterval(captureSocketCount, process.env.MONITOR_INTERVAL);
+}
+
+function monitorStop () {
+  if (interval) {
+    clearInterval(interval);
+    interval = null;
+  }
 }
 
 module.exports.captureSteamData = captureSteamData;
-module.exports.captureSocketCount = captureSocketCount;
+module.exports.monitorStart = monitorStart;
+module.exports.monitorStop  = monitorStop;