initial commit

dev/grafana/README.md

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+1) enable microk8s built-in observability
+2) apply ingressroute-tls (in namespace observability)
+3) log in with 
+	- user		: admin
+	- password	: prom-operator

dev/grafana/catalog-info.yaml

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+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: dev-grafana
+  title: Drupal (dev)
+  description: Grafana instance running in Kubernetes
+  annotations:
+    backstage.io/kubernetes-label-selector: "app=grafana"
+  links:
+    - url: https://github.com/AllardKrings/kubernetes/dev/grafana
+      title: grafana-configuration
+  docs:
+    - url: ./README.md
+spec:
+  type: service
+  lifecycle: production
+  owner: group:default/allarddcs
+  subcomponentOf: component:default/DEV-cluster
+

dev/grafana/ingressroute-tls.yaml

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+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: grafana-tls
+  namespace: observability
+spec:
+  entryPoints:
+    - websecure
+  routes:
+  - match: Host(`grafana-dev.allarddcs.nl`)
+    kind: Rule
+    services:
+    - name: kube-prom-stack-grafana
+      port: 80
+  tls:
+    certResolver: letsencrypt