Add prometheus role

roles/prometheus/meta/argument_specs.yml

@@ -0,0 +1,35 @@
+---
+argument_specs:
+  main:
+    description: Installs and configures prometheus
+    options:
+      prometheus_additional_networks:
+        description: >-
+          A list of additional podman networks for the prometheus container (in
+          addition to prometheus network).
+        type: list
+        required: false
+        default: []
+        elements: str
+
+      prometheus_ping_hosts:
+        description: List of hosts to ping
+        type: list
+        required: false
+        default: []
+        elements: dict
+        options:
+          name:
+            description: Hostname to ping
+            type: str
+            required: true
+          type:
+            description: >-
+              Type of host. Monitored hosts are pinged to check if they are up.
+              Wan hosts are pinged to check if prometheus has internet access.
+            type: str
+            required: false
+            default: monitored
+            choices:
+              - monitored
+              - wan