Merge pull request #252 from scalar-labs/add-log-viewer-for-monitor (#268)

Author: tei-k

modules/universal/monitor/provision/docker-compose.yml

@@ -56,3 +56,23 @@ services:
       - prometheus
       - alertmanager
       - grafana
+
+  tailon:
+    image: port22/tailon:latest
+    ports:
+      - 8080:8080
+    volumes:
+      - /log:/log
+      - ./tailon/config.yaml:/tailon/config.yaml
+    command:
+      - "/usr/local/bin/tailon"
+      - "-b"
+      - "0.0.0.0:8080"
+      - "-t"
+      - "9999"
+      - "-a"
+      - "-f"
+      - "/log/*/*.log"
+      - "-m"
+      - "tail"
+    restart: always

modules/universal/monitor/provision/nginx/html_templates/index.html.j2

@@ -18,13 +18,15 @@
             <li><a class="service" name="grafana" target="frame-grafana" href="http://grafana.localhost.scalar-labs.com:{{ dashboard_local_forwarding_port }}/">Grafana</a></li>
             <li><a class="service" name="prometheus" target="frame-prometheus" href="http://prometheus.localhost.scalar-labs.com:{{ dashboard_local_forwarding_port }}/">Prometheus</a></li>
             <li><a class="service" name="alertmanager" target="frame-alertmanager" href="http://alertmanager.localhost.scalar-labs.com:{{ dashboard_local_forwarding_port }}/">Alertmanager</a></li>
+            <li><a class="service" name="tailon" target="frame-tailon" href="http://tailon.localhost.scalar-labs.com:{{ dashboard_local_forwarding_port }}/">Tailon</a></li>
           </ul>
         </nav>
       </aside>
       <main id="content">
         <iframe class="frame" name="frame-grafana"></iframe>
         <iframe class="frame" name="frame-prometheus"></iframe>
         <iframe class="frame" name="frame-alertmanager"></iframe>
+        <iframe class="frame" name="frame-tailon"></iframe>
       </main>
     </div>
     <script src="./dashboard.js"></script>

modules/universal/monitor/provision/nginx/proxies.conf

@@ -18,3 +18,10 @@ server {
         proxy_pass http://alertmanager:9093;
     }
 }
+
+server {
+    server_name  tailon.localhost.scalar-labs.com;
+    location / {
+        proxy_pass http://tailon:8080;
+    }
+}