feat: create GrafanaDashboard CR for GrafanaOperator (#322)

Signed-off-by: Johannes Kleinlercher <johannes.kleinlercher@suxess-it.com>
Co-authored-by: Alex Jones <alexsimonjones@gmail.com>
Co-authored-by: JuHyung Son <sonju0427@gmail.com>

chart/operator/templates/grafana-k8sgpt-dashboard.yaml

@@ -15,4 +15,25 @@ metadata:
 data:
   k8sgpt-overview.json: |
 {{ .Files.Get "dashboards/k8sgpt-overview.json" | indent 4}}
+---
+{{ if .Values.grafanaDashboard.grafanaOperator.enabled -}}
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDashboard
+metadata:
+  labels:
+    app.kubernetes.io/component: grafana-dashboard
+    app.kubernetes.io/created-by: k8sgpt-operator
+    app.kubernetes.io/part-of: k8sgpt-operator
+  {{- include "chart.labels" . | nindent 4 }}
+  name: k8sgpt-overview
+  namespace: {{ .Values.grafanaDashboard.namespace | default (include "k8sgpt-operator.namespace" .) }}
+spec:
+  folder: {{ .Values.grafanaDashboard.folder.name }}
+  instanceSelector:
+    matchLabels:
+      {{- toYaml $.Values.grafanaDashboard.grafanaOperator.matchLabels | nindent 6 }}
+  configMapRef:
+    name: k8sgpt-overview
+    key: k8sgpt-overview.json
+{{ end -}}
 {{ end -}}

chart/operator/values.yaml

@@ -13,6 +13,12 @@ grafanaDashboard:
   label:
     key: grafana_dashboard
     value: "1"
+  # create GrafanaDashboard custom resource referencing to the configMap.
+  # according to https://grafana-operator.github.io/grafana-operator/docs/examples/dashboard_from_configmap/readme/
+  grafanaOperator:
+    enabled: false
+    matchLabels:
+      dashboards: "grafana"
 controllerManager:
   kubeRbacProxy:
     containerSecurityContext: