This chanage enabled codespell in precommit and
fixes the existing typos.
A followup commit will enable this in tox and ci.
Change-Id: I0a11bcd5a88247a48d3437525fc8a3cb3cdd4e58
Add call_retry method for ModelBuilder classes along with configuration
options. This allows ModelBuilder classes to reattempt any failed calls
to external services such as Nova or Ironic.
Change-Id: Ided697adebed957e5ff13b4c6b5b06c816f81c4a