caddy-frontend: Ensure logs are correctly linked

The logrotate folder also serves as an publication folder for logs, so be sure
that logs are linked there.

software/caddy-frontend/buildout.hash.cfg

@@ -30,7 +30,7 @@ md5sum = 19debfbc27c464f451b1eb5bb5ce3c84
 
 [template-slave-list]
 _update_hash_filename_ = templates/apache-custom-slave-list.cfg.in
-md5sum = e142dad44db1a25d46a31661aa2f075f
+md5sum = 5f1d2fa5529e3ee8c6a99834e8374c48
 
 [template-replicate-publish-slave-information]
 _update_hash_filename_ = templates/replicate-publish-slave-information.cfg.in

software/caddy-frontend/templates/apache-custom-slave-list.cfg.in

@@ -156,7 +156,8 @@ backup = {{ slave_log_folder }}
 [{{slave_ln_section}}]
 recipe = plone.recipe.command
 stop-on-error = false
-command = ln -s {{slave_parameter_dict.get('error_log')}} {{ slave_log_folder }}/error.log && ln -s {{slave_parameter_dict.get('access_log')}} {{ slave_log_folder }}/access.log
+update-command = ${:command}
+command = ln -sf {{slave_parameter_dict.get('error_log')}} {{ slave_log_folder }}/error.log && ln -sf {{slave_parameter_dict.get('access_log')}} {{ slave_log_folder }}/access.log
 
 {#-   Set password for slave #}
 

software/caddy-frontend/test/test.py

@@ -711,6 +711,14 @@ class HttpFrontendTestCase(SlapOSInstanceTestCase):
       result.status_code,
       'While accessing %r of %r the status code was %r' % (
         url, frontend, result.status_code))
+    self.assertEqual(
+      httplib.OK,
+      requests.get(url + 'access.log', verify=False).status_code
+    )
+    self.assertEqual(
+      httplib.OK,
+      requests.get(url + 'error.log', verify=False).status_code
+    )
 
   def assertKedifaKeysWithPop(self, parameter_dict, prefix=''):
     generate_auth_url = parameter_dict.pop('%skey-generate-auth-url' % (