feat(config): support errorfiles

Signed-off-by: Georg Pfuetzenreuter <georg.pfuetzenreuter@suse.com>

Author: tacerus

haproxy/templates/haproxy.jinja

@@ -320,6 +320,9 @@ listen {{ listener.get('name', listener_name) }}
         {%- endfor %}
       {%- endif %}
     {%- endif %}
+    {%- if 'errorfiles' in listener %}
+    errorfiles {{ listener.errorfiles }}
+    {%- endif %}
     {%- if 'default_backend' in listener %}
     default_backend {{ listener.default_backend }}
     {%- endif %}
@@ -480,6 +483,9 @@ frontend {{ frontend.get('name', frontend_name) }}
     {%- endfor %}
       {%- endif %}
     {%- endif %}
+    {%- if 'errorfiles' in frontend %}
+    errorfiles {{ frontend.errorfiles }}
+    {%- endif %}
     {%- if 'default_backend' in frontend %}
     default_backend {{ frontend.default_backend }}
     {%- endif %}
@@ -495,6 +501,9 @@ frontend {{ frontend.get('name', frontend_name) }}
 #------------------
   {%- for backend_name, backend in salt['pillar.get']('haproxy:backends', {})|dictsort %}
 backend {{ backend.get('name', backend_name) }}
+    {%- if 'errorfiles' in backend %}
+    errorfiles {{ backend.errorfiles }}
+    {%- endif %}
     {%- if 'mode' in backend %}
     mode {{ backend.mode }}
     {%- endif %}

pillar.example

@@ -175,6 +175,7 @@ haproxy:
         - scheme https if !{ ssl_fc }
       reqadds:
         - "X-Forwarded-Proto:\\ http"
+      errorfiles: corp
       httpresponses:
         - return:
             - status 503 errorfiles corp if { status 503 }