Added REPLACE_ENV_VARIABLES_EXCLUDES

for #575

start-finalSetup05EnvVariables

@@ -2,8 +2,17 @@
 
 . ${SCRIPTS:-/}start-utils
 
-if [ "${REPLACE_ENV_VARIABLES^^}" = "TRUE" ]; then
+: ${ENV_VARIABLE_PREFIX:=CFG_}
+
+if isTrue "${REPLACE_ENV_VARIABLES}"; then
   log "Replacing env variables in configs that match the prefix $ENV_VARIABLE_PREFIX..."
+
+  findExcludes=
+  for f in ${REPLACE_ENV_VARIABLES_EXCLUDES}; do
+    findExcludes="${findExcludes} -not -name $f"
+  done
+  isDebugging && echo "Using find exclusion: $findExcludes"
+
   while IFS='=' read -r name value ; do
     # check if name of env variable matches the prefix
     # sanity check environment variables to avoid code injections
@@ -20,6 +29,7 @@ if [ "${REPLACE_ENV_VARIABLES^^}" = "TRUE" ]; then
       find /data/ -type f \
           \( -name "*.yml" -or -name "*.yaml" -or -name "*.txt" -or -name "*.cfg" \
           -or -name "*.conf" -or -name "*.properties" \) \
+          $findExcludes \
           -exec sed -i 's#${'"$name"'}#'"$value"'#g' {} \;
     fi
   done < <(env)