Karthik Prabhu Vinod 939fa2c0ff Make cinder-manage online migrations more verbose ...

This makes the online_data_migrations command for cinder-manage a little
more verbose in what it is doing. Each time it is run, it will show you
all the migrations that need running and how many records remain for
each. Basically, you run this until you see all zeroes.

Sample output of $cinder-manage db online_data_migrations

+------------+-------+------+-----------+
| Migration  | Found | Done | Remaining |
+------------+-------+------+-----------+
| mock_mig_1 |   5   |  4   |     1     |
| mock_mig_2 |   6   |  6   |     0     |
+------------+-------+------+-----------+

Change-Id: I572bf2eb560698766d741bd2fd78c8b1067335d0

2017-03-24 16:57:40 +00:00

265 B

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