Migrating to etcd3

[teintuc]

Since Kubernetes 1.6.0 use etcd3 by default, is there any plan about upgrading the embeded etcd to the lastest version ?

[crewjam]

a PR would be most welcome. :)

[martinssipenko]

There has been some work done to use etcd3 here - master...opsline:v3

However, I found the code not to be working. The issue I found is that /v2/stats/self endpoint on etcd3 just keep the connection open forever, no response, no timeouts. I was able to fix that bu adding 5 second timeout to http call.

[teintuc]

Sorry for the late reply! I missed the motification.
I wish I could work on it but I can't find time to actually jump on it.

Thanks you @martinssipenko !