treat init-db.sh like a template

chart/files/init-db.sh

@@ -4,6 +4,12 @@ if python3 manage.py id check "${COLLECTION}"; then
 
     python3 manage.py coveragetype import /rgbnir_definition.json --traceback
 
+{{- if .Values.initDb }}
+
+    {{ .Values.initDb | nindent 6 }}
+
+{{- else }}
+
     if [ "${COLLECTION}" == "VHR_IMAGE_2018" ]; then
         echo "Initializing collection '${COLLECTION}'."
 
@@ -73,6 +79,7 @@ if python3 manage.py id check "${COLLECTION}"; then
         --type swift \
         --storage-auth auth-cloud-ovh
 
+{{- end }}
 
 else
     echo "Using existing database"

chart/templates/init-db-configmap.yaml

@@ -3,4 +3,4 @@ kind: ConfigMap
 metadata:
   name: {{ include "vs.fullname" . }}-init-db
 data:
-  {{ (.Files.Glob "files/init-db.sh").AsConfig | nindent 2}}
+  {{ (tpl (.Files.Glob "files/init-db.sh").AsConfig . ) | nindent 2}}