New Kubernetes Release: v1.12.0-alpha.1

Announcements
,
1

See kubernetes-announce@ and CHANGELOG-1.12.md for details.

SHA256 for kubernetes.tar.gz: 603345769f5e2306e5c22db928aa1cbedc6af63f387ab7a8818cb0111292133f

Additional binary downloads are linked in the CHANGELOG-1.12.md.