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'