cn start cluster returns error on Mac

[rleiwang]

start cluster on Mac hangs with minikube. docker container started, but the correct ip is vm ip, not the host ip. minikube ip is 192.168.64.28 on my laptop. 192.168.2.2 is the host ip.

 $ ./cn cluster start mycluster -f huge
Using /Users/<name>/workspace/go/src/github.com/ceph/cn/cn.toml as configuration file
2019/12/09 21:21:00 Cluster mycluster is already running!
2019/12/09 21:21:20 Timeout while trying to reach: http://192.168.2.2:8000
2019/12/09 21:21:20 S3 gateway for cluster mycluster is not responding. Showing S3 logs (if any):
^cat: /var/log/ceph/client.rgw.ceph-nano-mycluster-faa32aebf00b.log: No such file or directory
2019/12/09 21:21:20 Please open an issue at: https://github.com/ceph/cn.

[randyesq]

I just got the same error.