Upgrade to 2.22.x branch on HA cluster fails

[Jeba Paulaiyan]

2.22.1-5 to 2.22.1-6 on HA cluster fails with following error:

2016-03-07 17:22:41:768035: Warning: sudo() received nonzero return code 1 while executing 'service supervisor-support-service stop'!
2016-03-07 17:22:41:768035:
2016-03-07 17:22:41:768035:
2016-03-07 17:22:41:806345: Warning: sudo() received nonzero return code 1 while executing 'service supervisor-support-service stop'!
2016-03-07 17:22:41:806345:
2016-03-07 17:22:41:806345: Traceback (most recent call last):
2016-03-07 17:27:19:051659: File "/usr/local/lib/python2.7/dist-packages/fabric/main.py", line 743, in main
2016-03-07 17:27:19:051747: *args, **kwargs
2016-03-07 17:27:19:052096: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 375, in execute
2016-03-07 17:27:19:052195: multiprocessing
2016-03-07 17:27:19:052459: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 271, in _execute
2016-03-07 17:27:19:052542: return task.run(*args, **kwargs)
2016-03-07 17:27:19:052818: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 171, in run
2016-03-07 17:27:19:052902: return self.wrapped(*args, **kwargs)
2016-03-07 17:27:19:053116: File "/usr/local/lib/python2.7/dist-packages/fabric/decorators.py", line 53, in inner_decorator
2016-03-07 17:27:19:053202: return func(*args, **kwargs)
2016-03-07 17:27:19:053392: File "/opt/contrail/utils/fabfile/tasks/upgrade.py", line 254, in upgrade_contrail
2016-03-07 17:27:19:053486: execute('upgrade_orchestrator', from_rel, pkg)
2016-03-07 17:27:19:053722: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 375, in execute
2016-03-07 17:27:19:053815: multiprocessing
2016-03-07 17:27:19:054056: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 271, in _execute
2016-03-07 17:27:19:054177: return task.run(*args, **kwargs)
2016-03-07 17:27:19:054396: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 171, in run
2016-03-07 17:27:19:054477: return self.wrapped(*args, **kwargs)
2016-03-07 17:27:19:054669: File "/usr/local/lib/python2.7/dist-packages/fabric/decorators.py", line 53, in inner_decorator
2016-03-07 17:27:19:054763: return func(*args, **kwargs)
2016-03-07 17:27:19:054931: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 168, in __call__
2016-03-07 17:27:19:055024: return self.run(*args, **kwargs)
2016-03-07 17:27:19:055217: File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 171, in run
2016-03-07 17:27:19:055310: return self.wrapped(*args, **kwargs)
2016-03-07 17:27:19:055503: File "/opt/contrail/utils/fabfile/tasks/upgrade.py", line 220, in upgrade_orchestrator
2016-03-07 17:27:19:055596: float(from_rel) <= 2.2 and
2016-03-07 17:27:19:055810: ValueError: invalid literal for float(): 2.22.1
2016-03-07 17:27:19:056087:

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/18277
Submitter: Ignatious Johnson Christopher (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/18278
Submitter: Ignatious Johnson Christopher (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/18277
Submitter: Ignatious Johnson Christopher (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/18279
Submitter: Ignatious Johnson Christopher (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/18279
Committed: http://github.org/Juniper/contrail-fabric-utils/commit/c9298a1909924e47007db21645c714f6a6678304
Submitter: Zuul
Branch: R2.22.x

commit c9298a1909924e47007db21645c714f6a6678304
Author: Ignatious Johnson Christopher <email address hidden>
Date: Wed Mar 9 03:39:39 2016 +0000

Using LooseVersion when comparing the release
Closes-Bug: 1554813

Change-Id: Ic75cfe8234b94573627384f6bf66263b0fd4a74a

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/18277
Committed: http://github.org/Juniper/contrail-fabric-utils/commit/acd4848436f1326caf587d5fd46d88b79436a7fc
Submitter: Zuul
Branch: R2.20

commit acd4848436f1326caf587d5fd46d88b79436a7fc
Author: Ignatious Johnson Christopher <email address hidden>
Date: Wed Mar 9 03:39:39 2016 +0000

Using LooseVersion when comparing the release
Closes-Bug: 1554813

Change-Id: Ic75cfe8234b94573627384f6bf66263b0fd4a74a

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/18278
Committed: http://github.org/Juniper/contrail-fabric-utils/commit/cc59592edf533a25f45fe0d4a11765e874346c23
Submitter: Zuul
Branch: R2.21.x

commit cc59592edf533a25f45fe0d4a11765e874346c23
Author: Ignatious Johnson Christopher <email address hidden>
Date: Wed Mar 9 03:39:39 2016 +0000

Using LooseVersion when comparing the release
Closes-Bug: 1554813

Change-Id: Ic75cfe8234b94573627384f6bf66263b0fd4a74a