setup fluentd prometheus exporter

dockerfiles/services/services/fluentd/Dockerfile

@@ -13,4 +13,4 @@ RUN apk add --update --virtual .build-deps \
  && rm -rf /var/cache/apk/* \
            /home/fluent/.gem/ruby/2.3.0/cache/*.gem
 
-EXPOSE 24224
+EXPOSE 24224 24220

dockerfiles/services/services/fluentd/docker-compose-prod.yml

@@ -18,9 +18,13 @@ services:
     ports:
       - "24224:24224"
       - "24224:24224/udp"
+      - 24220:24220
+    expose:
+      - "24220"
 
     deploy:
-      mode: global
+      mode: replicated
+      replicas: 1
       restart_policy:
         condition: any
         delay: "1s"
@@ -31,8 +35,20 @@ services:
         order: start-first
       resources:
         limits:
-          cpus: '0.5'
+          cpus: '1'
           memory: 64M
 
     networks:
       - ingress
+      - prod
+
+networks:
+  default:
+    external:
+      name: ingress
+  ingress:
+    external:
+      name: ingress
+  prod:
+    external:
+      name: prod

dockerfiles/services/services/fluentd/docker-compose.yml

@@ -21,3 +21,5 @@ services:
     ports:
       - "24224:24224"
       - "24224:24224/udp"
+    expose:
+      - "24220"

dockerfiles/services/services/fluentd/fluent.conf

@@ -4,6 +4,12 @@
   port  24224
 </source>
 
+<source>
+  @type monitor_agent
+  bind 0.0.0.0
+  port 24220
+</source>
+
 <match **>
     @type loggly
     loggly_url https://logs-01.loggly.com/inputs/22feaabc-c080-4407-86c3-ae9052999786/tag/fluentd