Add Prometheus role

roles/prometheus/tasks/main.yml

@@ -0,0 +1,22 @@
+---
+
+- name: Prometheus container
+  import_role:
+    name: container
+  vars:
+    docker_service: prometheus
+    docker_image: prom/prometheus
+    reverse_proxy_type: none
+    docker_volumes:
+      - name: data
+        path: /prometheus
+      - template: prometheus.yml
+        path: /etc/prometheus/prometheus.yml
+      
+- name: Grafana container for prometheus
+  include_role: 
+    name: grafana
+  vars:
+    docker_networks: 
+      - name: prometheus
+  when: prometheus_install_grafana