Warning is now treated as an error to prevent backlog of genuine
formatting issues, e.g. improper references, indentation and not listing
newly added specs into the index.
Change-Id: I3b8a1ce7f931bfd83db36600dc74d1d0c2ef293e
Introduce the concept of nodegroups. This approach gives the ability
to create heterogeneous clusters by defining groups of nodes with
different properties.
This spec tries to summarize the changes needed in order to support
nodegroups with Magnum.
story: 2004169
task: 27644
Change-Id: I4e64e928b8d8c7a3b9fd1772875edd4d60cae6ee