feat: add haproxy profile

- add haproxy server class
- add haproxy profile to role
- add hiera data for region specific haproxy
- add selinux configuration
- add certlist management
- add default http and https frontends
- add default stats listener

site/profiles/manifests/haproxy/ls_stats.pp

@@ -0,0 +1,19 @@
+# the default status listener
+class profiles::haproxy::ls_stats (
+  Stdlib::IP::Address $bind_addr  = $facts['networking']['ip'],
+  Stdlib::Port        $bind_port  = 9090,
+  Array               $bind_opts  = [],
+  String              $user       = 'admin',
+  String              $pass       = 'admin',
+) {
+  haproxy::listen { 'stats':
+    bind    => { "${bind_addr}:${bind_port}" => $bind_opts },
+    options => {
+      'mode'  => 'http',
+      'stats' => [
+        'uri /',
+        "auth ${user}:${pass}",
+      ],
+    },
+  }
+}