Use HOT schema for Heat templates

Registered by Steve McLellan

The CFN format may not be supported forever, and will not support newer features; it would behoove us to start using HOT now rather than encouraging use of the older format.

The differences are pretty small (http://docs.openstack.org/developer/heat/template_guide/hot_guide.html); some parameters are renamed, and attributes are lower case, but it shouldn't alter any existing functionality. The latest heat_template_version is 2013-05-23.

Blueprint information

Status:
Complete
Approver:
Ruslan Kamaldinov
Priority:
High
Drafter:
Steve McLellan
Direction:
Approved
Assignee:
Steve McLellan
Definition:
New
Series goal:
Accepted for juno
Implementation:
Implemented
Milestone target:
None
Started by
Steve McLellan
Completed by
Steve McLellan

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Gerrit topic: https://review.openstack.org/#q,topic:bp/replace-cfn-templates-with-hot,n,z

Addressed by: https://review.openstack.org/92644
    Use HOT instead of CFN heat template format

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