Fix Share Migration improper behavior for drivers
Tempest tests were not appropriate for driver-assisted migration,
so this was fixed.
Also, improved docstrings and fixed workflow for drivers when
implementing 2-phase migration to be accurate with tempest and
handle AZs, which were previously locked to the source share's
AZ.
Driver-assisted migration now creates an additional
share instance to better handle and support driver methods.
Updated allow_access and deny_access APIs to allow users to mount
migrating shares before issuing 'migration-complete'.
APIImpact
Closes-bug: #1594922
Change-Id: If4bfaf7e9d963b83c13a6fea241c2eda14f7f409
diff --git a/manila_tempest_tests/common/constants.py b/manila_tempest_tests/common/constants.py
index bef35a5..abef181 100644
--- a/manila_tempest_tests/common/constants.py
+++ b/manila_tempest_tests/common/constants.py
@@ -34,3 +34,19 @@
RULE_STATE_ACTIVE = 'active'
RULE_STATE_OUT_OF_SYNC = 'out_of_sync'
RULE_STATE_ERROR = 'error'
+
+TASK_STATE_MIGRATION_STARTING = 'migration_starting'
+TASK_STATE_MIGRATION_IN_PROGRESS = 'migration_in_progress'
+TASK_STATE_MIGRATION_COMPLETING = 'migration_completing'
+TASK_STATE_MIGRATION_SUCCESS = 'migration_success'
+TASK_STATE_MIGRATION_ERROR = 'migration_error'
+TASK_STATE_MIGRATION_CANCELLED = 'migration_cancelled'
+TASK_STATE_MIGRATION_DRIVER_STARTING = 'migration_driver_starting'
+TASK_STATE_MIGRATION_DRIVER_IN_PROGRESS = 'migration_driver_in_progress'
+TASK_STATE_MIGRATION_DRIVER_PHASE1_DONE = 'migration_driver_phase1_done'
+TASK_STATE_DATA_COPYING_STARTING = 'data_copying_starting'
+TASK_STATE_DATA_COPYING_IN_PROGRESS = 'data_copying_in_progress'
+TASK_STATE_DATA_COPYING_COMPLETING = 'data_copying_completing'
+TASK_STATE_DATA_COPYING_COMPLETED = 'data_copying_completed'
+TASK_STATE_DATA_COPYING_CANCELLED = 'data_copying_cancelled'
+TASK_STATE_DATA_COPYING_ERROR = 'data_copying_error'