Add monitoring role

roles/monitoring/templates/prometheus.yml

@@ -0,0 +1,18 @@
+# Managed by Ansible
+
+global:
+  evaluation_interval: 1m
+  scrape_interval: 1m
+
+  external_labels:
+    environment: monitoring
+
+rule_files:
+  - /etc/prometheus/rules/*.rules
+
+scrape_configs:
+  - job_name: "prometheus"
+    metrics_path: "/prometheus/metrics"
+    static_configs:
+      - targets: [ "localhost:9090" ]
+  {{ prometheus_scrape_configs | to_nice_yaml | indent(2) }}