Add a validation to check if there is any yaml errors after merging f…

…iles

library/common/1.0.0/templates/loader/_apply.tpl

@@ -1,6 +1,9 @@
 {{/* Loads all spawners */}}
 {{- define "ix.v1.common.loader.apply" -}}
 
+  {{/* Make sure there are not any YAML errors */}}
+  {{- include "ix.v1.common.values.validate" $ -}}
+
   {{/* Render ConfigMap(s) */}}
   {{- include "ix.v1.common.spawner.configmap" . | nindent 0 -}}
 

library/common/1.0.0/templates/values/_validate.tpl

@@ -0,0 +1,18 @@
+{{/* Validates any object that it does not contain helm errors */}}
+{{/* This usually can happen after merging values from an include that did not render correcly */}}
+{{/* Any object will be passed to "toYaml" */}}
+{{/* Call this template:
+{{ include "ix.v1.common.values.validate" . }}
+*/}}
+{{- define "ix.v1.common.values.validate" -}}
+  {{- $allValues := (toYaml .) -}}
+
+  {{- if contains "error converting YAML to JSON" $allValues -}}
+    {{/* Print values to show values with the error included. */}}
+    {{/* Ideally we would want to extract the error only, but because it usually contains ":",
+        It gets parsed as dict and it cant regex matched it afterwards */}}
+
+    {{- fail (printf "Chart - Values contain an error that may be a result of merging. Values containing the error: \n\n %v \n\n See error above values." $allValues) -}}
+  {{- end -}}
+
+{{- end -}}