tempest

test_get_console_output fails in gate with MismatchError

Bug #1251512 reported by Matt Riedemann on 2013-11-15

This bug report is a duplicate of: Bug #1251920: Tempest failures due to failure to return console logs from an instance. Edit Remove

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	OpenStack Compute (nova)	New	Undecided	Unassigned
	tempest	New	Undecided	Unassigned

Bug Description

http://logs.openstack.org/17/56317/1/gate/gate-tempest-devstack-vm-full/535658d/console.html

Not sure if that's running with tenant isolation or not, but seems like something isn't getting cleaned up.

I do see this in the n-cpu log:

2013-11-15 03:57:59.770 23057 ERROR nova.virt.libvirt.driver [-] [instance: 2bfad5b4-fc34-4b8f-8639-8e1fdcd261db] During wait destroy, instance disappeared.

That might be a red herring though from a negative test, I'm not sure.

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David Peraza (dperaza) wrote on 2013-11-18:

See it here too: http://logs.openstack.org/16/38716/24/check/check-tempest-devstack-vm-postgres-full/2208c8c/console.html

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Matt Riedemann (mriedem) wrote on 2013-11-18:

http://logs.openstack.org/70/56670/1/check/check-tempest-devstack-vm-postgres-full/415c1ce/testr_results.html.gz
http://logs.openstack.org/70/56670/1/check/check-tempest-devstack-vm-full/095881f/testr_results.html.gz

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Matt Riedemann (mriedem) wrote on 2013-11-18:

This is the console output in one case where it fails:

2013-11-15 18:08:49,526 Response Body: {"output": " ____ ____ ____\n / __/ __ ____ ____ / __ \\/ __/\n/ /__ / // __// __// /_/ /\\ \\ \n\\___//_//_/ /_/ \\____/___/ \n http://cirros-cloud.net\n\n\nlogin as 'cirros' user. default password: 'cubswin:)'. use 'sudo' for root.\ncirros login: "}

It expects 10 lines when splitting on \n, but there are 9.

In another case the output is this:

"\nlogin as 'cirros' user. default password: 'cubswin:)'. use 'sudo' for root.\ncirros login: "

So the mismatch is 3 != 10.

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Matt Riedemann (mriedem) wrote on 2013-11-18:

Maybe rather than care about the number of lines of output (if that is not reliable), the tempest test should just ensure that this line is in the output:

"\nlogin as 'cirros' user. default password: 'cubswin:)'. use 'sudo' for root.\ncirros login: "

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Matt Riedemann (mriedem) wrote on 2013-11-18:

Wonder if this is in any way getting used in the full gate jobs?

http://libvirt.org/git/?p=libvirt.git;a=commit;h=5087a5a0092853702eb5e0c0297937a7859bcab3