add ifstated role and enable it on proxy group

roles/ifstated/files/ifstated-proxy.conf

@@ -0,0 +1,6 @@
+
+# flush routes when external carp goes up
+if carp153.link.up
+    run 'route -q flush ; route add default $(cat /etc/mygate)'
+if carp154.link.up
+    run 'route -q flush ; route add default $(cat /etc/mygate)'

roles/ifstated/handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: restart ifstated
+  service:
+    name: ifstated
+    state: restarted

roles/ifstated/tasks/main.yml

@@ -0,0 +1,15 @@
+---
+- name: copy ifstated config
+  copy:
+    dest: /etc/ifstated.conf
+    src: "{{ ifstated_config }}"
+    mode: 0644
+    owner: root
+    group: "{{ ansible_wheel }}"
+  notify: restart ifstated
+
+- name: enable ifstated
+  service:
+    name: ifstated
+    state: started
+    enabled: true