From 4a895d6b639811bf6d38ae65845cc29dc431c101 Mon Sep 17 00:00:00 2001
From: Waqar Ahmed <waqarahmedjoyia@live.com>
Date: Fri, 29 Jan 2021 15:27:23 +0500
Subject: [PATCH] Add method to validate if values has required keys

---
 .../common/templates/lib/schema/_utils.tpl    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 library/common/templates/lib/schema/_utils.tpl

diff --git a/library/common/templates/lib/schema/_utils.tpl b/library/common/templates/lib/schema/_utils.tpl
new file mode 100644
index 0000000000..b3a4cd0549
--- /dev/null
+++ b/library/common/templates/lib/schema/_utils.tpl
@@ -0,0 +1,19 @@
+{{/*
+Checks if a list of keys are present in a dictionary
+*/}}
+{{- define "common.validateKeys" -}}
+{{- $values := . -}}
+{{- if and (hasKey $values "values") (hasKey $values "checkKeys") -}}
+{{- $missingKeys := list -}}
+{{- range $values.checkKeys -}}
+{{- if eq (hasKey $values.values . ) false -}}
+{{- $missingKeys = mustAppend $missingKeys . -}}
+{{- end -}}
+{{- end -}}
+{{- if $missingKeys -}}
+{{- fail (printf "Missing %s from dictionary" ($missingKeys | join ", ")) -}}
+{{- end -}}
+{{- else -}}
+{{- fail "A dictionary and list of keys to check must be provided" -}}
+{{- end -}}
+{{- end -}}