add salt master failover
diff --git a/salt/minion/masters.yml b/salt/minion/masters.yml
new file mode 100644
index 0000000..829474a
--- /dev/null
+++ b/salt/minion/masters.yml
@@ -0,0 +1,7 @@
+parameters:
+  salt:
+    minion:
+      master_type: failover
+      masters:
+      - host: ${_param:infra_config_deploy_address}
+      - host: ${_param:infra_config_address}