feat: manage grafana content as code with fast dashboard workflow

ansible/roles/observability-content/templates/grafana-datasources.yaml.j2

@@ -0,0 +1,23 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ grafana_datasource_configmap_name }}
+  namespace: {{ observability_namespace }}
+  labels:
+    grafana_datasource: "1"
+data:
+  datasources.yaml: |
+    apiVersion: 1
+    datasources:
+      - name: Prometheus
+        type: prometheus
+        access: proxy
+        url: http://kube-prometheus-stack-prometheus.{{ observability_namespace }}.svc.cluster.local:9090
+        isDefault: true
+{% if loki_enabled %}
+      - name: Loki
+        type: loki
+        access: proxy
+        url: http://loki.{{ observability_namespace }}.svc.cluster.local:3100
+        isDefault: false
+{% endif %}