Change metric names to follow prometheus naming guide

package.json

@@ -2,7 +2,7 @@
   "author": "Calvin Montgomery",
   "name": "CyTube",
   "description": "Online media synchronizer and chat",
-  "version": "3.45.0",
+  "version": "3.46.0",
   "repository": {
     "url": "http://github.com/calzoneman/sync"
   },

src/channel/chat.js

@@ -151,13 +151,13 @@ ChatModule.prototype.restrictNewAccount = function restrictNewAccount(user, data
 };
 
 const chatIncomingCount = new Counter({
-    name: 'cytube_chat_incoming_count',
+    name: 'cytube_chat_incoming_total',
     help: 'Number of incoming chatMsg frames'
 });
 ChatModule.prototype.handleChatMsg = function (user, data) {
     var self = this;
     counters.add("chat:incoming");
-    chatIncomingCount.inc();
+    chatIncomingCount.inc(1, new Date());
 
     if (!this.channel || !this.channel.modules.permissions.canChat(user)) {
         return;
@@ -288,7 +288,7 @@ ChatModule.prototype.handlePm = function (user, data) {
 };
 
 const chatSentCount = new Counter({
-    name: 'cytube_chat_sent_count',
+    name: 'cytube_chat_sent_total',
     help: 'Number of broadcast chat messages'
 });
 ChatModule.prototype.processChatMsg = function (user, data) {
@@ -360,7 +360,7 @@ ChatModule.prototype.processChatMsg = function (user, data) {
     }
     this.sendMessage(msgobj);
     counters.add("chat:sent");
-    chatSentCount.inc();
+    chatSentCount.inc(1, new Date());
 };
 
 ChatModule.prototype.formatMessage = function (username, data) {

src/channel/playlist.js

@@ -283,7 +283,7 @@ PlaylistModule.prototype.sendPlaylist = function (users) {
 };
 
 const changeMediaCounter = new Counter({
-    name: 'cytube_playlist_played_count',
+    name: 'cytube_playlist_plays_total',
     help: 'Counter for number of playlist items played',
     labelNames: ['shortCode']
 });
@@ -301,7 +301,7 @@ PlaylistModule.prototype.sendChangeMedia = function (users) {
         var m = this.current.media;
         this.channel.logger.log("[playlist] Now playing: " + m.title +
                                 " (" + m.type + ":" + m.id + ")");
-        changeMediaCounter.labels(m.type).inc();
+        changeMediaCounter.labels(m.type).inc(1, new Date());
     } else {
         users.forEach(function (u) {
             u.socket.emit("setCurrent", uid);

src/database.js

@@ -11,11 +11,11 @@ import { Summary, Counter } from 'prom-client';
 
 const LOGGER = require('@calzoneman/jsli')('database');
 const queryLatency = new Summary({
-    name: 'cytube_db_query_latency',
+    name: 'cytube_db_query_duration_seconds',
     help: 'DB query latency (including time spent acquiring connections)'
 });
 const queryCount = new Counter({
-    name: 'cytube_db_query_count',
+    name: 'cytube_db_queries_total',
     help: 'DB query count'
 });
 
@@ -54,7 +54,7 @@ class Database {
         return this.knex.transaction(fn).finally(() => {
             end();
             Metrics.stopTimer(timer);
-            queryCount.inc();
+            queryCount.inc(1, new Date());
         });
     }
 }

src/get-info.js

@@ -18,7 +18,7 @@ import { lookup as lookupCustomMetadata } from './custom-media';
 
 const LOGGER = require('@calzoneman/jsli')('get-info');
 const lookupCounter = new Counter({
-    name: 'cytube_media_lookup_count',
+    name: 'cytube_media_lookups_total',
     help: 'Count of media lookups',
     labelNames: ['shortCode']
 });
@@ -558,7 +558,7 @@ module.exports = {
     getMedia: function (id, type, callback) {
         if(type in this.Getters) {
             LOGGER.info("Looking up %s:%s", type, id);
-            lookupCounter.labels(type).inc();
+            lookupCounter.labels(type).inc(1, new Date());
             this.Getters[type](id, callback);
         } else {
             callback("Unknown media type '" + type + "'", null);

src/io/ioserver.js

@@ -196,11 +196,11 @@ class IOServer {
 }
 
 const incomingEventCount = new Counter({
-    name: 'cytube_socketio_incoming_events',
+    name: 'cytube_socketio_incoming_events_total',
     help: 'Number of received socket.io events from clients'
 });
 const outgoingPacketCount = new Counter({
-    name: 'cytube_socketio_outgoing_packets',
+    name: 'cytube_socketio_outgoing_packets_total',
     help: 'Number of outgoing socket.io packets to clients'
 });
 function patchSocketMetrics() {
@@ -209,12 +209,12 @@ function patchSocketMetrics() {
 
     Socket.prototype.onevent = function patchedOnevent() {
         onevent.apply(this, arguments);
-        incomingEventCount.inc();
+        incomingEventCount.inc(1, new Date());
     };
 
     Socket.prototype.packet = function patchedPacket() {
         packet.apply(this, arguments);
-        outgoingPacketCount.inc();
+        outgoingPacketCount.inc(1, new Date());
     };
 }
 
@@ -266,11 +266,11 @@ const promSocketCount = new Gauge({
     labelNames: ['transport']
 });
 const promSocketAccept = new Counter({
-    name: 'cytube_sockets_accept_count',
+    name: 'cytube_sockets_accepts_total',
     help: 'Counter for number of connections accepted.  Excludes rejected connections.'
 });
 const promSocketDisconnect = new Counter({
-    name: 'cytube_sockets_disconnect_count',
+    name: 'cytube_sockets_disconnects_total',
     help: 'Counter for number of connections disconnected.'
 });
 function emitMetrics(sock) {

src/web/webserver.js

@@ -32,13 +32,13 @@ function initializeLog(app) {
 
 function initPrometheus(app) {
     const latency = new Summary({
-        name: 'cytube_http_req_latency',
+        name: 'cytube_http_req_duration_seconds',
         help: 'HTTP Request latency from execution of the first middleware '
                 + 'until the "finish" event on the response object.',
         labelNames: ['method', 'statusCode']
     });
     const requests = new Counter({
-        name: 'cytube_http_req_count',
+        name: 'cytube_http_req_total',
         help: 'HTTP Request count',
         labelNames: ['method', 'statusCode']
     });
@@ -48,8 +48,8 @@ function initPrometheus(app) {
         res.on('finish', () => {
             try {
                 const diff = process.hrtime(startTime);
-                const diffMs = diff[0]*1e3 + diff[1]*1e-6;
+                const diffSec = diff[0] + diff[1]*1e-9;
-                latency.labels(req.method, res.statusCode).observe(diffMs);
+                latency.labels(req.method, res.statusCode).observe(diffSec);
                 requests.labels(req.method, res.statusCode).inc(1, new Date());
             } catch (error) {
                 LOGGER.error('Failed to record HTTP Prometheus metrics: %s', error.stack);