Merge pull request #1472 from deis/fleet_public_ip

fix(contrib/coreos): configure public IP for fleet

Author: carmstrong

contrib/coreos/user-data

@@ -7,6 +7,10 @@ coreos:
     # discovery: https://discovery.etcd.io/12345693838asdfasfadf13939923
     addr: $private_ipv4:4001
     peer-addr: $private_ipv4:7001
+  fleet:
+    # We have to set the public_ip here so this works on Vagrant -- otherwise, Vagrant VMs
+    # will all publish the same private IP. This is harmless for cloud providers.
+    public_ip: $private_ipv4
   units:
   - name: etcd.service
     command: start