Make engine throw correct and descriptive exceptions on error cases

Registered by Stan Lagun

Currently engine throws nearly random exceptions usually without descriptive error message when something goes wrong. Custom exception types should be created and engine code should be updated to throw them with meaningful error message

Blueprint information

Status:
Complete
Approver:
ruhe
Priority:
High
Drafter:
Stan Lagun
Direction:
Approved
Assignee:
Stan Lagun
Definition:
Superseded
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Stan Lagun

Related branches

Sprints

Whiteboard

There is a similar but a better documented bug for this: https://bugs.launchpad.net/murano/+bug/1316786

(?)

Work Items

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