This patch provides support for installing dcos on centos using magnum.
A new coe type(dcos) is added. This provides support for vm.
Design spec and steps on how to test can be found in
contrib/drivers/dcos_centos_v1/README.md.
Public agent nodes are not supported now.
Co-Authored-By: fengbeihong (fengbeihong@gmail.com)
Co-Authored-By: vmud213 (vinay50muddu@yahoo.com)
Change-Id: I58b378b4bd6df34fd43307e4252cfbbd9bf593d8
Partially-Implements: blueprint mesos-dcos
977f3af83f