ifstated: Use templating for ifstated configurations

roles/ifstated/templates/ifstated-ns.conf

@@ -0,0 +1,32 @@
+
+init-state auto
+
+if_carp_up="carp157.link.up"
+if_carp_down="carp157.link.down"
+
+state auto {
+    if $if_carp_up {
+        set-state master
+    }
+    if $if_carp_down {
+        set-state backup
+    }
+}
+
+state master {
+    init {
+        run "route delete default && route add default 37.16.96.145"
+    }
+    if $if_carp_down {
+        set-state backup
+    }
+}
+
+state backup {
+    init {
+        run "route delete default && route add default 172.20.20.1"
+    }
+    if $if_carp_up {
+        set-state master
+    }
+}