From bc69a774fa91876b1ab2b5a720927b53e038a96a Mon Sep 17 00:00:00 2001
From: Ruben Rodriguez <aki_yoshi@outlook.com>
Date: Mon, 24 Oct 2022 15:22:31 +0200
Subject: [PATCH] Helm: add Grafana Dashboard for Grafana operator

---
 .../dashboards/KubeInvadersDashboard.json     |  1 +
 .../templates/grafanadashboard.yaml           | 43 +++++++++++++++++++
 helm-charts/kubeinvaders/values.yaml          |  5 +++
 3 files changed, 49 insertions(+)
 create mode 120000 helm-charts/kubeinvaders/dashboards/KubeInvadersDashboard.json
 create mode 100644 helm-charts/kubeinvaders/templates/grafanadashboard.yaml

diff --git a/helm-charts/kubeinvaders/dashboards/KubeInvadersDashboard.json b/helm-charts/kubeinvaders/dashboards/KubeInvadersDashboard.json
new file mode 120000
index 000000000..f0716f328
--- /dev/null
+++ b/helm-charts/kubeinvaders/dashboards/KubeInvadersDashboard.json
@@ -0,0 +1 @@
+../../../grafana/KubeInvadersDashboard.json
\ No newline at end of file
diff --git a/helm-charts/kubeinvaders/templates/grafanadashboard.yaml b/helm-charts/kubeinvaders/templates/grafanadashboard.yaml
new file mode 100644
index 000000000..4894a2ac5
--- /dev/null
+++ b/helm-charts/kubeinvaders/templates/grafanadashboard.yaml
@@ -0,0 +1,43 @@
+{{ if .Values.grafanaDashboard.enabled }}
+{{ $currentScope := .}}
+{{ range $path, $_ :=  .Files.Glob  "dashboards/**.json" }}
+{{ $dashboardName := regexReplaceAll "(^.*/)(.*)\\.json$" $path "${2}" }}
+{{- with $currentScope}}
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "grafana-dashboards-{{ lower $dashboardName }}"
+  labels:
+    app.kubernetes.io/name: kubeinvaders
+    helm.sh/chart: {{ include "kubeinvaders.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- with .Values.additionalLabels }}
+    {{- . | toYaml | nindent 4 }}
+    {{- end }}
+data:
+  {{- (.Files.Glob $path).AsConfig | nindent 2 }}
+---
+apiVersion: integreatly.org/v1alpha1
+kind: GrafanaDashboard
+metadata:
+  name: "grafana-dashboards-{{ lower $dashboardName }}"
+  labels:
+    app.kubernetes.io/name: kubeinvaders
+    helm.sh/chart: {{ include "kubeinvaders.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- with .Values.additionalLabels }}
+    {{- . | toYaml | nindent 4 }}
+    {{- end }}
+spec:
+  datasources:
+    - inputName: "DS_PROMETHEUS"
+      datasourceName: "Prometheus"
+  configMapRef:
+    name: "grafana-dashboards-{{ lower $dashboardName }}"
+    key: {{ $dashboardName }}.json
+{{- end }}
+{{ end }}
+{{ end }}
diff --git a/helm-charts/kubeinvaders/values.yaml b/helm-charts/kubeinvaders/values.yaml
index e22de5a29..8254836c0 100644
--- a/helm-charts/kubeinvaders/values.yaml
+++ b/helm-charts/kubeinvaders/values.yaml
@@ -67,3 +67,8 @@ route_host: ""
 
 serviceMonitor:
   enabled: false
+
+# Create Grafana Dashboard CRD and configmap for Grafana operator
+grafanaDashboard:
+  enabled: false
+  labels: {} # Labels configured in Grafana operator as dashboardLabelSelector