feat(chart): add reloader for auto-reload trino pods on cm change (#115)

charts/teleport/templates/application/app-reloader.yaml

@@ -0,0 +1,32 @@
+{{- if .Values.appReloader.enabled }}
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: reloader
+  namespace: {{ .Values.global.application.argocd.namespace }}
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+  annotations:
+    argocd.argoproj.io/sync-wave: "2"
+spec:
+  destination:
+    namespace: "{{ .Values.global.namespacePrefix }}-{{ .Values.appReloader.namespace }}"
+    # this has to be installed alongside Trino, so we use the Trino cluster values
+    server: {{ eq .Values.appTrino.cluster "" | ternary .Values.global.application.address .Values.appTrino.cluster }}
+  project: {{ .Values.global.application.argocd.project }}
+  syncPolicy:
+    automated:
+      selfHeal: true
+      prune: true
+    syncOptions:  
+    - CreateNamespace=true
+  source:
+    {{- .Values.appReloader.source | toYaml | nindent 4 }}
+    helm:
+      valueFiles:
+        - values.yaml
+      {{- if .Values.appReloader.values }}
+      values: |
+        {{- .Values.appReloader.values | toYaml | nindent 8 }}
+      {{- end }}
+{{- end }}

charts/teleport/values.yaml

@@ -76,6 +76,16 @@ appHive:
     # renovate: datasource=helm depName=hive registryUrl=https://harbor.ukserp.ac.uk/dare/chart
     targetRevision: 1.2.0
 
+appReloader:
+  enabled: true
+  # this needs to be installed alongside Trino, so it uses the Trino cluster value
+  namespace: reloader
+  source:
+    repoURL: https://stakater.github.io/stakater-charts
+    chart: reloader
+    # renovate: datasource=helm depName=reloader registryUrl=https://stakater.github.io/stakater-charts
+    targetRevision: 1.0.43
+
 appMinioTenant:
   enabled: true
   cluster: ""