update validation templates

Author: oksana-grishchenko

charts/everest/templates/_helpers.tpl

@@ -5,6 +5,17 @@ Expand the name of the chart.
 {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
 {{- end }}
 
+
+{{/*
+Mutual exclusion validation
+*/}}
+{{- define "everest.validateInputs" -}}
+{{- if and .Values.pmm.enabled .Values.pmm3.enabled -}}
+{{ fail "Only one of pmm.enabled or pmm3.enabled may be true. They are mutually exclusive." }}
+{{- end }}
+{{- end }}
+
+
 {{/*
 Allows overriding the install namespace in combined charts.
 */}}
@@ -129,7 +140,3 @@ tls.crt: {{ $cert.Cert | b64enc }}
 ca.crt: {{ $ca.Cert | b64enc }}
 {{- end }}
 {{- end }}
-
-{{- if and .Values.pmm.enabled .Values.pmm3.enabled -}}
-{{ fail "Only one of pmm.enabled or pmm3.enabled may be true. They are mutually exclusive." }}
-{{- end }}

charts/everest/templates/everest-operator/deployment.yaml

@@ -1,3 +1,5 @@
+{{ include "everest.validateInputs" . }}
+
 apiVersion: apps/v1
 kind: Deployment
 metadata: