Setup varnish to handle lists.fedoraproject.org.

playbooks/include/proxies-reverseproxy.yml

@@ -67,9 +67,11 @@
 
   - role: httpd/reverseproxy
     website: lists.fedoraproject.org
-    proxyurl: http://localhost:10033
     destname: mailman3
-    when: env == "staging"
+    localpath: /
+    remotepath: /
+    header_scheme: true
+    proxyurl: "{{ varnish_url }}"
 
   # The place for the raw originals
   - role: httpd/reverseproxy

roles/haproxy/templates/haproxy.cfg

@@ -213,13 +213,6 @@ listen  badges 0.0.0.0:10032
 {% endif %}
     option httpchk GET /heartbeat
 
-{% if env == "staging" %}
-listen lists 0.0.0.0:10033
-    balance hdr(appserver)
-    server mailman01 mailman01:80 check inter 10s rise 1 fall 2
-    option httpchk GET /
-{% endif %}
-
 {% if env == "staging" %}
 listen gallery
     balance hdr(appserver)

roles/varnish/templates/proxy.vcl.j2

@@ -19,6 +19,17 @@ backend pkgdb {
     .first_byte_timeout = 160s;
 }
 
+backend mailman {
+    .host = "mailman01";
+    .port = "http";
+    .probe = {
+        .url = "/";
+        .interval = 5s;
+        .timeout = 5s;
+	.expected_response = 301;
+    }
+}
+
 backend fas01 {
     .host = "fas01";
     .port = "http";
@@ -275,6 +286,9 @@ sub vcl_recv {
             }
         }
     }
+    if (req.http.X-Forwarded-Server ~ "^lists.fedoraproject.org") {
+        set req.backend_hint = mailman;
+    }
     if (req.http.X-Forwarded-Server ~ "^apps.fedoraproject.org" || req.http.X-Forwarded-Server ~ "^apps.stg.fedoraproject.org") { 
         if (req.url ~ "^/koschei") {
             set req.backend_hint = koschei;