Add Prometheus role

roles/prometheus/templates/prometheus.yml.j2

@@ -0,0 +1,34 @@
+---
+
+# my global config
+global:
+  scrape_interval: {{ prometheus_scrape_interval }}
+  evaluation_interval: {{ prometheus_evaluation_interval }}
+
+# Alertmanager configuration
+alerting:
+  alertmanagers:
+    - static_configs:
+        - targets:
+          # - alertmanager:9093
+
+# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
+rule_files:
+  # - "first_rules.yml"
+  # - "second_rules.yml"
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  - job_name: "prometheus"
+    static_configs:
+      - targets: ["localhost:9090"]
+
+{% if prometheus_hcloud_token is defined %}
+  - job_name: hcloud
+    hetzner_sd_configs:
+      - role: hcloud
+        authorization:
+          credentials: {{ prometheus_hcloud_token }}
+    relabel_configs: {{ prometheus_hcloud_relabel_configs }}
+{% endif %}