Ansible check mode fails if NGINX is not installed (#171)

Author: alessfg

CHANGELOG.md

@@ -17,6 +17,7 @@ BUG FIXES:
 
 * Role was failing to uninstall NGINX App Protect DoS packages when the `nginx_app_protect_dos_state` was set to `absent`.
 * Uninstallation scenario was unintentionally creating repository entries.
+* Ansible check mode runs will no longer fail if NGINX has not yet been installed.
 
 ## 0.7.1 (February 16, 2022)
 

handlers/main.yml

@@ -15,16 +15,17 @@
 
 - name: (Handler - NGINX App Protect) Check NGINX
   command: nginx -t
-  register: config
+  register: config_check
   ignore_errors: true
   changed_when: false
   listen: (Handler - NGINX App Protect) Run NGINX
 
 - name: (Handler - NGINX App Protect) Print NGINX error if syntax check fails
   debug:
-    var: config.stderr_lines
-  failed_when: config.rc != 0
+    var: config_check.stderr_lines
+  failed_when: config_check.rc != 0
   when:
-    - config.rc is defined
-    - config.rc != 0
+    - config_check.stderr_lines is defined
+    - config_check.stderr_lines != []
+    - config_check.rc != 0
   listen: (Handler - NGINX App Protect) Run NGINX