Checks improved

definitions/default/check/all/app_nginx_starts_reliable.check.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Fail because of unnecessary custom config
+grep "Wants=network-online.target" /lib/systemd/system/nginx.service > /dev/null 2>&1 \
+    && [ -f "/etc/systemd/system/nginx.service" ] \
+    && exit 1
+
+# Success if system config is ok
+grep "Wants=network-online.target" /lib/systemd/system/nginx.service > /dev/null 2>&1 \
+    && exit 0
+
+# Success if custom config fixes system config
+grep "Wants=network-online.target" /etc/systemd/system/nginx.service > /dev/null 2>&1 \
+    && exit 0
+
+exit 1