{{ if and .Release.IsInstall .Values.deploy.operator }}
{{ $deployments := lookup "apps/v1" "Deployment" "" "" }}
{{ range $deployments.items }}
  {{ if .metadata.labels }}
    {{ if .metadata.labels.group }}
      {{ if eq .metadata.labels.group "stackgres.io" }}
        {{ fail (print "StackGres Operator Helm Chart can only install one operator instance. Multiple operator instances is not supported.") }}
      {{ end }}
    {{ end }}
  {{ end }}
{{ end }}
{{ end }}