Reviewed-by: iustinp

This patch adds QA tests for most of the possible parameters in the
instance modify operation (exception being the MAC), and modifies the
sample QA file to run this test.

It also tests the no-modification test, but that is a weak one: we only
test that the exit code is one, not that the command gave a proper
response ("... please give at least one parameter") as opposed to a
traceback.

Reviewed-by: imsnah

This patch allows the selection of the hypervisor type for the QA
process; this is useful when testing hypervisor-independent changes that
don't require a Xen setup.

The patch also fixes the OS name in the sample QA config file provided.

Reviewed-by: imsnah

Those tests were added in the wrong place. This patch removes them.  One day
we'll implement proper command line regression testing and they should go in
there.

Reviewed-by: iustinp

This tests both that those two aliases have not been removed and also that
aliases handling hasn't been broken.

Reviewed-by: iustinp

- When line wrapping is needed, move spaces to the next line.
- Remove embedded line breaks from error messages.

Reviewed-by: schreiberal

Reviewed-by: iustinp

Reviewed-by: schreiberal

Reviewed-by: schreiberal

This may help to debug problems in QA tests.

Reviewed-by: schreiberal

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: schreiberal

This makes the tests much more reliably because it avoids race conditions.
It also helps to speed them up a lot.

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: schreiberal

Reviewed-by: schreiberal

Reviewed-by: schreiberal

Reviewed-by: schreiberal

Reviewed-by: schreiberal

Reviewed-by: schreiberal

Also check whether file contents are correct for both “gnt-cluster command” and
“gnt-cluster copyfile”.

Reviewed-by: iustinp

Make the code somewhat smaller. Disable disk failure test for master for now.

Reviewed-by: schreiberal

- Split main() function into several small ones.
- Current work on disk failure tests. This is not yet finished.
- Fix small typo in qa_node.py.

Reviewed-by: schreiberal

Testing failure on the primary node is currently disabled due to drbd problems.

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: schreiberal

- Implement colours in qa_utils.
- Print warning for cron script.

Reviewed-by: iustinp

Added tests:
- “gnt-cluster getmaster”
- “gnt-cluster version”
- “gnt-instance list”
- “gnt-instance reinstall”

Reviewed-by: schreiberal

- Test “gnt-backup export” and “gnt-backup import”.
- Move “ResolveInstanceName” to qa_utils.py.
- Fix tests for “ganeti-watcher”.
- Make instance shutdown and startup configurable.

Reviewed-by: schreiberal

Reviewed-by: iustinp

Reviewed-by: iustin