Deprecation of Direct Engine

https://blueprints.launchpad.net/sahara/+spec/remove-direct-engine

Direct Infrastructure Engine was deprecated in Liberty and it’s time to remove that in Mitaka cycle.

Problem description

We are ready to remove direct engine. Sahara have ability to delete clusters created using direct engine, heat engine works nicely.

Proposed change

First it’s proposed to remove direct engine first. Then after the removal we can migrate all direct-engine-jobs to heat engine. After that direct engine will be completely removed.

Alternatives

None

Data model impact

None

REST API impact

None

Other end user impact

None

Deployer impact

Deployers should switch to use Heat Engine instead of Direct Engine finally.

Developer impact

None

Sahara-image-elements impact

None

Sahara-dashboard / Horizon impact

None

Implementation

Assignee(s)

Primary assignee:
vgridnev

Work Items

This will require following changes:

  • Remove direct engine from the codebase (with unit tests).
  • Remove two gate jobs for direct engine.
  • Document that Direct Engine was removed finally.

Dependencies

None

Testing

None

Documentation Impact

Need to document that Direct Engine was removed.

References

None