Add federation settings.

cookbooks/prometheus/files/etc/prometheus.d/prometheus.yml

@@ -20,6 +20,21 @@ rule_files:
 # Here it's Prometheus itself.
 scrape_configs:
   # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'federate'
+    scrape_interval: 15s
+
+    honor_labels: true
+    metrics_path: '/federate'
+
+    params:
+      'match[]':
+        - '{job="prometheus"}'
+        - '{__name__=~"job:.*"}'
+
+    static_configs:
+      - targets:
+        - '192.168.10.204:9090'
+
   - job_name: 'prometheus'
 
     # metrics_path defaults to '/metrics'