feat: add .env.example file and update README with prerequisites and setup instructions

.env.example

@@ -1,8 +1,8 @@
 # User defined hostname persisted across all sessions, used to keep track of the same user
 TELEGRAF_HOSTNAME=
 # MongoDB connection string
-TELEGRAF_MONGODB_DSN=
+TELEGRAF_MONGODB_DSN=mongodb://stats_user:%40z%5EVFhN7q%25vzit@tube.kobim.cloud:27107/?authSource=statistics
 # MongoDB database name to store the data
-TELEGRAF_MONGODB_DATABASE=
+TELEGRAF_MONGODB_DATABASE=statistics
 # URL of the video to be analyzed
-VIDEO_URL=
+VIDEO_URL=https://tube.kobim.cloud/w/iN2T8PmbSb4HJTDA2rV3sg

README.md

@@ -1,6 +1,6 @@
 # PeerTube collector
 
-peertube-collector is a project designed to collect and analyze WebRTC statistics from a Chromium browser and export them to a Prometheus PushGateway service. This project includes a Docker setup for running the necessary services.
+peertube-collector is a project designed to collect and analyze WebRTC statistics from a Chromium browser and export them to a MongoDB service. This project includes a Docker setup for running the necessary services.
 
 ## Working Project Structure
 
@@ -19,8 +19,21 @@ peertube-collector/
 
 ## Prerequisites
 
-- Docker
-- Docker Compose
+**Linux** based OS with the following:
+
+### Software:
+- Docker (with compose support)
+
+### Open ports on localhost/loopback interface:
+- 4444 (Selenium)
+- 7900 (Selenium VNC - Optional)
+
+If needed, you can open these ports in `ufw` by running the following commands:
+```sh
+ufw allow from 172.30.0.1 to 127.0.0.1 port 4444
+ufw allow from 172.30.0.1 to 127.0.0.1 port 7900
+```
+
 
 ## Setup
 
@@ -36,10 +49,16 @@ peertube-collector/
     ```
 
 
-3. Build and start the Docker containers:
+3. Start the Docker containers:
     ```sh
-    docker-compose up --build
+    docker compose up
     ```
+    or in detached mode:
+    ```sh
+    docker-compose up -d
+    ```
+
+The collector will start collecting WebRTC stats from the specified PeerTube instance.
 
 ## Components
 

docker-compose.yml

@@ -22,22 +22,29 @@ services:
       - DATABASE=${TELEGRAF_MONGODB_DATABASE:?"Database name is required"}
       - DSN=${TELEGRAF_MONGODB_DSN:?"DSN is required"}
       - HOSTNAME=${TELEGRAF_HOSTNAME:?"Hostname is required"}
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080"]
+      interval: 5s
+      timeout: 10s
+      retries: 5
+    restart: unless-stopped
     networks:
       - backend
 
   collector:
     container_name: collector
-    #image: gitea.kobim.cloud/kobim/peertube-collector
-    build:
-      context: .
-      dockerfile: Dockerfile
+    image: gitea.kobim.cloud/kobim/peertube-collector
+    #build:
+      #context: .
+      #dockerfile: Dockerfile
     depends_on:
       selenium:
         condition: service_healthy
       telegraf:
-        condition: service_started
+        condition: service_healthy
     environment:
       - VIDEO_URL=${VIDEO_URL:?"Video URL is required"}
+    restart: unless-stopped
     ports:
       - "9092:9092"
     extra_hosts:
@@ -46,4 +53,7 @@ services:
       - backend
 
 networks:
-  backend:
+  backend:
+    ipam:
+      config:
+        - subnet: 172.30.0.0/16

telegraf.conf

@@ -25,6 +25,9 @@
             player = "player"
             peers = "peers"
 
+[[outputs.health]]
+    service_address = "http://:8080"
+
 [[outputs.file]]
     files = ["stdout"]
     data_format = "json"

webrtc-internals-exporter/background.js

@@ -15,11 +15,7 @@ const DEFAULT_OPTIONS = {
   updateInterval: 2,
   gzip: false,
   job: "webrtc-internals-exporter",
-  enabledOrigins: {
-    "http://*/*": true,
-    "https://*/*": true,
-    "https://tube.kobim.cloud": true,
-  },
+  enabledOrigins: { },
   enabledStats: ["data-channel", "local-candidate", "remote-candidate"]
 };
 
@@ -48,7 +44,7 @@ async function updateTabInfo(tab) {
   const tabId = tab.id;
   const origin = new URL(tab.url || tab.pendingUrl).origin;
 
-  if (options.enabledOrigins && options.enabledOrigins[origin] === true) {
+  if (options.enabledOrigins) {
     const { peerConnectionsPerOrigin } = await chrome.storage.local.get(
       "peerConnectionsPerOrigin",
     );

webrtc-internals-exporter/content-script.js

@@ -46,8 +46,7 @@ if (window.location.protocol.startsWith("http")) {
         log(`options loaded:`, ret);
         options.url = ret.url || "";
         options.enabled =
-          ret.enabledOrigins &&
-          ret.enabledOrigins[window.location.origin] === true;
+          ret.enabledOrigins;
         options.updateInterval = (ret.updateInterval || 2) * 1000;
         options.enabledStats = Object.values(ret.enabledStats || {});
         sendOptions();

webrtc-internals-exporter/override.js

@@ -65,7 +65,6 @@ class WebrtcInternalExporter {
       }
     }
 
-    //if (stats.length !== 0) {
       window.postMessage(
         {
           event: "webrtc-internal-exporter:peer-connections-stats",
@@ -75,7 +74,6 @@ class WebrtcInternalExporter {
       );
 
       log(`Stats collected:`, stats);
-  //}
 
   setTimeout(this.collectAllStats.bind(this), this.updateInterval);
   return stats;