This patch is implementing skipping automatically actions based on the
result of action pre_condition method. This will allow to manage
properly situations as migration actions for vms which does not longer
exist. This patch includes:
- Adding a new state SKIPPED to the Action objects.
- Add a new Exception ActionSkipped. An action which raises it from the
pre_condition execution is moved to SKIPPED state.
- pre_condition will not be executed for any action in SKIPPED state.
- execute will not be executed for any action in SKIPPED or FAILED state.
- post_condition will not be executed for any action in SKIPPED state.
- moving transition to ONGOING from pre_condition to execute. That means
that actions raising ActionSkipped will move from PENDING to SKIPPED
while actions raising any other Exception will move from PENDING to
FAILED.
- Adding information on action failed or skipped state to the
`status_message` field.
- Adding a new option to the testing action nop to simulate skipping on
pre_condition, so that we can easily test it.
Implements: blueprint add-skip-actions
Assisted-By: Cursor (claude-4-sonnet)
Change-Id: I59cb4c7006c7c3bcc5ff2071886d3e2929800f9e
Signed-off-by: Alfredo Moralejo <amoralej@redhat.com>
6d35be11ec