caddy-frontend: Limit backend-haproxy stats to frontend only

Limit stats to frontend entries only, as they are the most important for the
frontend operator, and also having thousands of entries makes the stats page
unusable.

fixes 8d5910dc

software/caddy-frontend/buildout.hash.cfg

@@ -50,7 +50,7 @@ md5sum = 266f175dbdfc588af7a86b0b1884fe73
 
 [template-backend-haproxy-configuration]
 _update_hash_filename_ = templates/backend-haproxy.cfg.in
-md5sum = 7c171979aa1d5c88faafe4993f087edd
+md5sum = 5c807d34198f334b143cfa9263f6bc4e
 
 [template-empty]
 _update_hash_filename_ = templates/empty.in

software/caddy-frontend/templates/backend-haproxy.cfg.in

@@ -49,6 +49,8 @@ frontend statistic
   stats show-desc {{ configuration['statistic-identification'] }}
   stats auth {{ configuration['statistic-username'] }}:{{ configuration['statistic-password'] }}
   stats realm {{ configuration['statistic-identification'] }}
+  stats scope http-backend
+  stats scope https-backend
 
 frontend http-backend
   bind {{ configuration['local-ipv4'] }}:{{ configuration['http-port'] }}