selenium 4 alpha upgrade

README.md

@@ -5,7 +5,7 @@ A [Prometheus](https://prometheus.io/) exporter that collects [Selenium Grid](ht
 ### Usage
 
 ```sh
-$ docker run -it wakeful/selenium-grid-exporter -h
+$ docker run -it mcopjan/seleniumv4_grid_exporter:latest -h
 Usage of /selenium_grid_exporter:
   -listen-address string
       Address on which to expose metrics. (default ":8080")
@@ -15,18 +15,31 @@ Usage of /selenium_grid_exporter:
       Path under which to expose metrics. (default "/metrics")
 ```
 
+### Prometheus/Grafana example
+
+```
+  - run docker-compose -f docker-compose.yml up
+  - open grafana at localhost:3000 (admin/foobar)
+  - open Dashboards -> Manage -> Selenium4 Grid monitoring
+
+```
+  ![Screenshot](selenium4_grafana.png)
+
 ## Metrics
 
 ```
-# HELP selenium_grid_hub_sessions_backlog number of sessions waiting for a slot
-# TYPE selenium_grid_hub_sessions_backlog gauge
-selenium_grid_hub_sessions_backlog 0
-# HELP selenium_grid_hub_slotsFree number of free slots
-# TYPE selenium_grid_hub_slotsFree gauge
-selenium_grid_hub_slotsFree 4
-# HELP selenium_grid_hub_slotsTotal total number of slots
-# TYPE selenium_grid_hub_slotsTotal gauge
-selenium_grid_hub_slotsTotal 8
+# HELP selenium_grid_hub_sessionCount number of active sessions
+# TYPE selenium_grid_hub_sessionCount gauge
+selenium_grid_hub_sessionCount 0
+# HELP selenium_grid_hub_maxSession number of max sessions
+# TYPE sselenium_grid_hub_maxSession gauge
+selenium_grid_hub_maxSession 0
+# HELP selenium_grid_hub_totalSlots total number of slots
+# TYPE selenium_grid_hub_totalSlots gauge
+selenium_grid_hub_totalSlots 8
+# HELP selenium_grid_hub_sessionQueueSize number of session in queue
+# TYPE selenium_grid_hub_sessionQueueSize gauge
+selenium_grid_hub_sessionQueueSize 0
 # HELP selenium_grid_up was the last scrape of Selenium Grid successful.
 # TYPE selenium_grid_up gauge
 selenium_grid_up 1

alertmanager/config.yml

@@ -0,0 +1,12 @@
+route:
+  group_by: ['alertname']
+  group_interval: 30s
+  repeat_interval: 30s
+  group_wait: 30s
+  receiver: 'prometheus-msteams'
+
+receivers:
+- name: 'prometheus-msteams'
+  webhook_configs: # https://prometheus.io/docs/alerting/configuration/#webhook_config 
+  - send_resolved: true
+    url: 'http://prometheus-msteams-alert:2000/alertmanager' # the prometheus-msteams proxy

docker-compose.yml

@@ -1,35 +1,97 @@
-version: '3'
+# To execute this docker-compose yml file use `docker-compose -f docker-compose.yml up`
+# Add the `-d` flag at the end for detached execution
+# To stop the execution, hit Ctrl+C, and then `docker-compose -f docker-compose.yml down`
+version: "3"
+
+volumes:
+    prometheus_data: {}
+    grafana_data: {}
 
 services:
-  hub:
-    image: selenium/hub:3.6.0
+  chrome:
+    image: selenium/node-chrome:4.0.0-beta-1-20210215
+    volumes:
+      - /dev/shm:/dev/shm
+    depends_on:
+      - selenium-hub
     environment:
-      GRID_TIMEOUT: 10
+      - SE_EVENT_BUS_HOST=selenium-hub
+      - SE_EVENT_BUS_PUBLISH_PORT=4442
+      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
+      - LANG=en_GB.UTF-8
+      - SE_NODE_MAX_CONCURRENT_SESSIONS=5
+      - START_XVFB=true
+      - SCREEN_WIDTH=1920
+      - SCREEN_HEIGHT=1080
+      - SCREEN_DEPTH=24
     ports:
-    - "4444:4444"
+      - "6900:5900"
+
   firefox:
-    image: selenium/node-firefox:3.6.0
+    image: selenium/node-firefox:4.0.0-beta-1-20210215
+    volumes:
+      - /dev/shm:/dev/shm
+    depends_on:
+      - selenium-hub
     environment:
-      HUB_PORT_4444_TCP_ADDR: "hub"
-      HUB_PORT_4444_TCP_PORT: "4444"
+      - SE_EVENT_BUS_HOST=selenium-hub
+      - SE_EVENT_BUS_PUBLISH_PORT=4442
+      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
+    ports:
+      - "6901:5900"
+
+  opera:
+    image: selenium/node-opera:4.0.0-beta-1-20210215
+    volumes:
+      - /dev/shm:/dev/shm
+    depends_on:
+      - selenium-hub
+    environment:
+      - SE_EVENT_BUS_HOST=selenium-hub
+      - SE_EVENT_BUS_PUBLISH_PORT=4442
+      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
+    ports:
+      - "6902:5900"
+
+  selenium-hub:
+    image: selenium/hub:4.0.0-beta-1-20210215
+    container_name: selenium-hub
+    ports:
+      - "4442:4442"
+      - "4443:4443"
+      - "4444:4444"
+
   prometheus:
     image: prom/prometheus
-    ports:
-    - "9090:9090"
     volumes:
-    - ./prometheus.yml:/etc/prometheus/prometheus.yml:z
+      - ./prometheus/:/etc/prometheus/
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--storage.tsdb.retention.time=3d'
+      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
+      - '--web.console.templates=/usr/share/prometheus/consoles'
+      - '--web.enable-lifecycle'
+      - '--web.enable-admin-api'
+    ports:
+      - 9090:9090
+
   grafana:
-    image: grafana/grafana:4.5.2
-    environment:
-      GF_AUTH_ANONYMOUS_ENABLED: "true"
-      GF_AUTH_ANONYMOUS_ORG_ROLE: "Admin"
-      GF_INSTALL_PLUGINS: "grafana-piechart-panel"
+    image: grafana/grafana
+    depends_on:
+      - prometheus
     ports:
-    - "3000:3000"
-  grafana_config:
-    build: ./grafana_config
+      - 3000:3000
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning/:/etc/grafana/provisioning/
+    env_file:
+      - ./grafana/config.monitoring
+    user: "472"
+
   selenium_grid_exporter:
-    build: .
-    command: "--scrape-uri http://hub:4444"
+    image: mcopjan/seleniumv4_grid_exporter:latest
+    command: "--scrape-uri http://selenium-hub:4444"
     ports:
-    - "8080:8080"
+    - "8080:8080"

grafana/config.monitoring

@@ -0,0 +1,2 @@
+GF_SECURITY_ADMIN_PASSWORD=foobar
+GF_USERS_ALLOW_SIGN_UP=false