--- /dev/null
+{{/*
+Copyright VMware, Inc.
+SPDX-License-Identifier: APACHE-2.0
+*/}}
+
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Renders a value that contains template perhaps with scope if the scope is present.
+Usage:
+{{ include "common.tplvalues.render" ( dict "value" .Values.path.to.the.Value "context" $ ) }}
+{{ include "common.tplvalues.render" ( dict "value" .Values.path.to.the.Value "context" $ "scope" $app ) }}
+*/}}
+{{- define "common.tplvalues.render" -}}
+{{- $value := typeIs "string" .value | ternary .value (.value | toYaml) }}
+{{- if contains "{{" (toJson .value) }}
+ {{- if .scope }}
+ {{- tpl (cat "{{- with $.RelativeScope -}}" $value "{{- end }}") (merge (dict "RelativeScope" .scope) .context) }}
+ {{- else }}
+ {{- tpl $value .context }}
+ {{- end }}
+{{- else }}
+ {{- $value }}
+{{- end }}
+{{- end -}}
+
+{{/*
+Merge a list of values that contains template after rendering them.
+Merge precedence is consistent with http://masterminds.github.io/sprig/dicts.html#merge-mustmerge
+Usage:
+{{ include "common.tplvalues.merge" ( dict "values" (list .Values.path.to.the.Value1 .Values.path.to.the.Value2) "context" $ ) }}
+*/}}
+{{- define "common.tplvalues.merge" -}}
+{{- $dst := dict -}}
+{{- range .values -}}
+{{- $dst = include "common.tplvalues.render" (dict "value" . "context" $.context "scope" $.scope) | fromYaml | merge $dst -}}
+{{- end -}}
+{{ $dst | toYaml }}
+{{- end -}}