Report server count anonymously with PM2

index.js

@@ -52,9 +52,13 @@ client.once(Events.ClientReady, c => {
 		metrics.websocketHeartbeatHist.update(latency);
 	}, 1000);
 
+	// Report current server count with PM2 (Servers counted anonymously)
+	metrics.serverCount.set(c.guilds.cache.size);
+
 });
 
 // Client "on" Events
+// Someone used an interaction
 client.on(Events.InteractionCreate, async interaction => {
 	if (!interaction.isChatInputCommand()) return;
 
@@ -99,5 +103,17 @@ client.on(Events.InteractionCreate, async interaction => {
 
 });
 
+// Joined a server
+client.on(Events.guildCreate, guild => {
+	// Report current server count with PM2 (Servers counted anonymously)
+	metrics.serverCount.set(guild.client.guilds.cache.size);
+});
+
+// Removed from a server
+client.on(Events.guildDelete, guild => {
+	// Report current server count with PM2 (Servers counted anonymously)
+	metrics.serverCount.set(guild.client.guilds.cache.size);
+});
+
 // Log in to Discord with your client's token
 client.login(token);

utils/pm2-metrics.js

@@ -22,6 +22,10 @@ const websocketHeartbeatHist = io.histogram({
 	measurement: 'mean',
 });
 
+const serverCount = io.metric({
+	name    : 'Server Count',
+});
+
 const interactionSuccess = function() {
 	interactionSuccessCounter.inc();
 	interactionSuccessMeter.mark();
@@ -32,4 +36,5 @@ module.exports = {
 	interactionErrors,
 	interactionSuccess,
 	websocketHeartbeatHist,
+	serverCount,
 };