add otel collector to nginx

Nginx/default.conf.template

@@ -57,7 +57,7 @@ upstream notification {
 }
 
 upstream otel-collector {
-    server ${SERVER_NOTIFICATION_HOSTNAME}:${NOTIFICATION_PORT} weight=10 max_fails=3 fail_timeout=30s;
+    server ${OTEL_COLLECTOR_HOSTNAME}:${OTEL_COLLECTOR_PORT} weight=10 max_fails=3 fail_timeout=30s;
 }
 
 server {
@@ -212,6 +212,19 @@ server {
         proxy_pass http://accounts;
     }
 
+    location /otel-collector {
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme; 
+
+        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_pass http://otel-collector;
+    }
+
     location /notification {
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;

OTelCollector/Dockerfile.tpl

@@ -1 +1,3 @@
-FROM otel/opentelemetry-collector:latest
+FROM otel/opentelemetry-collector-contrib:latest
+
+COPY ./OTelCollector/config.yaml /etc/otelcol-contrib/config.yaml

config.example.env

@@ -117,6 +117,7 @@ ACCOUNTS_PORT=3003
 STATUS_PAGE_PORT=3105
 DASHBOARD_PORT=3009
 ADMIN_DASHBOARD_PORT=3158
+OTEL_COLLECTOR_PORT=4317
 
 
 # If USE_INTERNAL_SMTP is true then you need to fill these values.

docker-compose.base.yml

@@ -354,7 +354,28 @@ services:
             - postgres
             - notification
        
-    
+
+    otel-collector:
+        networks:
+          - oneuptime
+        restart: always
+        ports:
+            - 1888:1888 # pprof extension
+            - 8888:8888 # Prometheus metrics exposed by the collector
+            - 8889:8889 # Prometheus exporter metrics
+            - 13133:13133 # health_check extension
+            - 4317:4317 # OTLP gRPC receiver
+            - 4318:4318 # OTLP http receiver
+            - 55679:55679 # zpages extension
+        depends_on:
+            - redis
+            - postgres
+            - notification
+        links:
+            - redis
+            - postgres
+            - notification
+
 
     ingestor:
         networks: