Stolon cluster installed and initialized.

To get superuser password run
{{ if not (empty .Values.superuserSecret.name) }}
    PGPASSWORD=$(kubectl get secret --namespace {{ .Release.Namespace }} {{ .Values.superuserSecret.name }} -o jsonpath="{.data.{{.Values.superuserSecret.passwordKey}}}" | base64 --decode; echo)
{{ else }}
    PGPASSWORD=$(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "stolon.fullname" . }} -o jsonpath="{.data.pg_su_password}" | base64 --decode; echo)
{{ end }}