Staging TKO setup:
 https://pantheon.corp.google.com/sql/instances/staging-tko/overview?project=google.com:chromeos-lab&organizationId=433637338589&duration=PT1H

Database migration is finished: (I need to remove the comments in database/schema_129.sql to continue migration script):

xixuan@xixuan0:~/chromiumos/src/third_party/autotest/files$ ./database/migrate.py sync --debug
...
At version 129
Migration complete

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/chromeos-admin/+/33a293281938cec7ee2d2dc54652907e066b9bb8

commit 33a293281938cec7ee2d2dc54652907e066b9bb8
Author: Xixuan Wu <xixuan@chromium.org>
Date: Mon Jul 30 17:01:33 2018

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/chromeos-admin/+/ec75caf4af46c844f4d91af26900b495772c4bb5

commit ec75caf4af46c844f4d91af26900b495772c4bb5
Author: Xixuan Wu <xixuan@chromium.org>
Date: Mon Jul 30 20:20:00 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/autotest/+/5ce9489091443bfe32e926ee57ce175a1e4c05a0

commit 5ce9489091443bfe32e926ee57ce175a1e4c05a0
Author: Prathmesh Prabhu <pprabhu@chromium.org>
Date: Wed Aug 01 07:05:28 2018

autotest: Also whitelist skylab_drone for cloudsql access

BUG= chromium:868128 
TEST=None

Change-Id: Ibe4f6075bc3b626fcca50c07f0f808277e9e25b2
Reviewed-on: https://chromium-review.googlesource.com/1152562
Commit-Ready: Prathmesh Prabhu <pprabhu@chromium.org>
Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>

[modify] https://crrev.com/5ce9489091443bfe32e926ee57ce175a1e4c05a0/site_utils/sync_cloudsql_access.py

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/chromeos-admin/+/914f47890e476f07d6755401f029c42a2eecebb6

commit 914f47890e476f07d6755401f029c42a2eecebb6
Author: Prathmesh Prabhu <pprabhu@chromium.org>
Date: Wed Aug 01 20:55:56 2018

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/chromeos-admin/+/8cc45489ee2fdf705830f9c9f8e2dd9a4c6d61d0

commit 8cc45489ee2fdf705830f9c9f8e2dd9a4c6d61d0
Author: Xixuan Wu <xixuan@chromium.org>
Date: Wed Aug 01 23:38:58 2018

test_push passed.

MySQL [chromeos_autotest_db]> select * from tko_task_references;
+----+----------------+-------------+---------+----------------+
| id | reference_type | tko_job_idx | task_id | parent_task_id |
+----+----------------+-------------+---------+----------------+
|  1 | afe            |           1 | 23941   | 23937          |
|  2 | afe            |           2 | 23942   | 23937          |
|  3 | afe            |           3 | 23944   | 23937          |
|  4 | afe            |           4 | 23946   | 23937          |
|  5 | afe            |           5 | 23948   | 23937          |
|  6 | afe            |           6 | 23943   | 23936          |
|  7 | afe            |           7 | 23937   | NULL           |
|  8 | afe            |           8 | 23940   | 23936          |
|  9 | afe            |           9 | 23947   | 23936          |
| 10 | afe            |          10 | 23938   | 23936          |
| 11 | afe            |          11 | 23949   | 23936          |
| 12 | afe            |          12 | 23950   | 23936          |
| 13 | afe            |          13 | 23951   | 23936          |
| 14 | afe            |          14 | 23945   | 23936          |
| 15 | afe            |          15 | 23952   | 23936          |
| 16 | afe            |          16 | 23939   | 23936          |
| 17 | afe            |          17 | 23936   | NULL           |
+----+----------------+-------------+---------+----------------+

#8 is great news. We should wait for a few (normal, autotest) staging tests to pass after this to make sure these results don't interfere with autotest lab functioning.

Adding soft blocker issue 869568. Doing that first will let us ensure that stainless won't be broken by this either.

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/chromeos-admin/+/ece032f9e586e2ecae08e8d119a0aa9894014191

commit ece032f9e586e2ecae08e8d119a0aa9894014191
Author: Xixuan Wu <xixuan@chromium.org>
Date: Mon Aug 06 17:55:13 2018

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/chromeos-admin/+/181282ba197605726d3f2fa5b825edfbf8d359ca

commit 181282ba197605726d3f2fa5b825edfbf8d359ca
Author: Xixuan Wu <xixuan@chromium.org>
Date: Wed Aug 08 17:46:04 2018