Merge pull request #7608 from roidelapluie/exemple

Improve docker swarm configuration exemple

documentation/examples/prometheus-dockerswarm.yml

@@ -1,5 +1,29 @@
 # A example scrape configuration for running Prometheus with
 # Docker Swarm.
+
+scrape_configs:
+
+  # Make Prometheus scrape itself for metrics.
+  - job_name: 'prometheus'
+    static_configs:
+    - targets: ['localhost:9090']
+
+  # Create a job for Docker daemons.
+  #
+  # This exemple requires Docker daemons to be configured to expose
+  # Prometheus metrics, as documented here:
+  # https://docs.docker.com/config/daemon/prometheus/
+  - job_name: 'docker'
+    dockerswarm_sd_configs:
+      - host: unix:///var/run/docker.sock # You can also use http/https to connect to the Docker daemon.
+        role: nodes
+    relabel_configs:
+      # Fetch metrics on port 9323.
+      - source_labels: [__meta_dockerswarm_node_address]
+        target_label: __address__
+        replacement: $1:9323
+
+  # Create a job for Docker Swarm containers.
   #
   # This example works with cadvisor deployed with:
   # docker service create --name cadvisor -l prometheus-job=cadvisor
@@ -10,18 +34,9 @@
   #     --mount type=bind,src=/sys,dst=/sys,ro
   #     --mount type=bind,src=/var/lib/docker,dst=/var/lib/docker,ro
   #     google/cadvisor -docker_only
-
-scrape_configs:
-
-  # Make Prometheus scrape itself for metrics.
-  - job_name: 'prometheus'
-    static_configs:
-    - targets: ['localhost:9090']
-
-  # Create a job for Docker Swarm containers.
   - job_name: 'dockerswarm'
     dockerswarm_sd_configs:
-      - host: http://127.0.0.1:2375
+      - host: unix:///var/run/docker.sock # You can also use http/https to connect to the Docker daemon.
         role: tasks
     relabel_configs:
       # Only keep containers that should be running.