Right now, the QA code is not covered by pylint, and this shows at
least one low-impact bug.

This patch does the necessary changes to make QA pylint-clean, and the
changes the makefile to run pylint for it.

Notable changes:

- qa_utils.GenericQueryTest: randfields was not used at all, and my
  belief is that it was indented to be used in order not to modify the
  input list; so I replaced randfields with fields, so we only shuffle
  the our local copy
- qa_node.TestOutOfBand was using it's own copy of AcquireNode(), so I
  replaced it with the existing version
- qa_os: was using 'dir' in a couple of places, replaced with dirname

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This is more of an RFC. The patch attempts to address two issues:

- running conditional tests is ugly right now
- we don't know what tests we skipped

By using the new RunTestIf, we solve both. But a significant number of
test decisions are more complex than just “is test enabled”, so those
remain to be run via RunTest, which means we don't get logging of when
they're not run. Hence the logging is not complete… Sugesstions on how
to solve it are welcome.

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>

This patch enables all tests by default, unless when they're
explicitely disabled in the config file. This will make sure
newly added tests are run even when an old configuration file
is used.

A comment is also added qa-sample.json.

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

There are still issues, especially with "gnt-instance modify" and
resetting values. However, this is a start.

Reviewed-by: ultrotter

We no longer use YAML in Ganeti at all. This patch converts the QA
configuration from YAML to JSON. JSON doesn't support comments and
I had to use a hack with fields starting with '#'.

Reviewed-by: ultrotter

This patch removes the options that allow to create local_raid1 or
remote_raid1 instances. It also modifies the documentation and removes
these disk templates from burnin and from qa.

Reviewed-by: imsnah

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: schreiberal

Reviewed-by: iustinp