Make HAProxy use its new chroot jail in /var/run/haproxy.

Fixes #19

roles/haproxy/tasks/main.yml

@@ -31,6 +31,14 @@
     opts: rw,size=128m,mode=750,uid=20000,gid=20000,late
     state: mounted
 
+- name: Create /var/run/haproxy
+  file:
+    path: /var/run/haproxy
+    state: directory
+    owner: root
+    group: wheel
+    mode: 0755
+
 - name: Create HAProxy service directories
   file:
     path: '/etc/s6-rc/service/{{ item }}'

roles/haproxy/templates/global.cfg.j2

@@ -1,6 +1,6 @@
 # {{ ansible_managed }}
 global
-        chroot		/var/empty
+        chroot		/var/run/haproxy
         log     	stdout format raw local0 info
         user    	haproxy
         group   	haproxy