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This is not complete, but is as close as I can get it for now. I
expect people actually implementing the various changes to extend the
design doc.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Include QCHelper.hs in the distributed files, and also exclude it and
the THH.hs file from coverage reports.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Andrea Spadaccini <spadaccio@google.com>

This patch replaces the current hard-coded JSON instances (all alike,
just manual conversion to/from string) with auto-generated code based
on Template Haskell
(http://www.haskell.org/haskellwiki/Template_Haskell

).

The reduction in code line is not big, as the helper module is well
documented and thus overall we gain about 70 code lines; however, if
we ignore comments we're in good shape, and any future addition of
such data types will be much simpler and less error-prone.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Agata Murawska <agatamurawska@google.com>

Utils is a bit big, let's split the JSON stuff (not all of it) into a
separate module that doesn't have any other dependencies.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Agata Murawska <agatamurawska@google.com>

Signed-off-by: Agata Murawska <agatamurawska@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Agata Murawska <agatamurawska@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Agata Murawska <agatamurawska@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

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

Applied s/disable-msg/disable/ also to Makefile.am, in order to inhibit
pylint warnings for autogenerated files.
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Turns out my attempts to get it work nicely with “make distcheck” broke
the detection and of course I only notice after pushing.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Some platforms apparently don't support “ln -s”, otherwise Autoconf
wouldn't have AC_PROG_LN_S.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This check will abort if one of the standalone modules (currently
lib/rapi/client.py and tools/ganeti-listrunner) imports anything from
the Ganeti source directory.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

- Makefile.am: added QA directory to the paths checked by pep8
- qa/: fixed the reported errors
- Makefile.am: also, added qa_group.py to qa_scripts
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This utility checks whether the code conforms to PEP8. Some checks had
to be disabled for Ganeti.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

In the Linux kernel commit 4b0715f096 introduced a display bug into
/proc/drbd which broke our regex.

The bug was first introduced into Linux 2.6.39-rc1. This bug is still
unfixed as of today.

This patch adapt the regular expression to workaround this bug for the
time being.
Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

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

Signed-off-by: Andrea Spadaccini <spadaccio@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Andrea Spadaccini <spadaccio@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Also, corrected a few places where the ip command was hardcoded.
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

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

Including the designs which were actually implemented.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Currently we use absolute symlinks, but this doesn't work when we
install remotely (due to install first to local temp dir, then rsync
to remote machines). To fix, we change to manually-computed relative
paths, which is not best, but it works.

One possible alternative would be to use hard-links…
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

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

The node maintenance class is standalone.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Currently, most htools code depends on Constants.hs which is generated
from constants.py and also depends on _autoconf.py. Also, _autoconf.py
depends on vcs-version, which all together means that when 'make
regen-vcs-version' is run, for example by ./devel/upload, most of the
Haskell code needs recompilation.

Since htools already has its 'optimised' vcs-version (and doesn't use
the _autoconf.VCS_VERSION constants), we can optimise this as follows:

- _autoconf.py doesn't contain the VCS_VERSION anymore, and that is
  instead moved to _vcsversion.py
- constants.py depends on and imports this new module
- _autoconf.py doesn't get regenerated at vcs-version changes, but
  only at re-running configure/changing Makefile time

The end result is that only htools/Ganeti/HTools/Version.hs is
recompiled now, which is a significant speedup (usually < 1 second
versus 10 seconds previously).
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Ever since commit 2d48a3a2

 aliases were not included in the bash
completion script. This patch also replaces one tab with two spaces.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This is the last patch of the binaries conversion.

As information, we now have a single binary that is approx. 5.4MiB in
size, compared to 4 binaries that were approx. 5.1-5.2MiB in size;
this will result in a smaller package and install size, and the single
compilation phase should also help.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

In addition, the patch adds a separate Makefile variable for holding
the binary roles to make it more clear what we symlink.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

This converts the first binary to the generic 'htools' binary.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

This is the start of a series of patches that will unify all the
binaries currently in use in a single one, which can perform different
roles based on the name it is installed as.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

When compiling with the parallel-3.x library, we get a deprecation
warning, which makes understanding any other error messages
harder. This patch adds a compatibility module that will hold such
code for transitioning libraries.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

The wrapper will connect to the console, and check in the background if
the instance is paused, unpausing it as necessary.
Signed-off-by: Stephen Shirley <diamond@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

The wrapper will connect to the console, and check in the background if
the instance is paused, unpausing it as necessary.
Signed-off-by: Stephen Shirley <diamond@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

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

First, auto-generated files were not processed if HsColour thus the
'source' link in Haddock documentation was dangling.

Second, we document the original Python constant name in the
Ganeti.Constants source, so that it's easily retrievable (as opposed
to undoing the name transformation).
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Oops, this shouldn't have gone in in the first place…
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Especially for Ganeti.Constants, which has many declarations, it
doesn't make sense to check for coverage.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This reverts commits 030a9cb8 and
ae082df0

.

There are two problems:

- Makefile.am breakage, which is trivial to revert
- unittest breakage, which honestly I'm not sure how to fix and how
  serial consoles interact with the unpause helper

After the reset, the startup --paused still works but won't unpause
the instance automatically (if I understood the code correctly).

Furthermore, the code also fixes a style issue in hv_kvm.py (too long
line) introduced by the next commit after the above two.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

The wrapper will connect to the console, and check in the background if
the instance is paused, unpausing it as necessary.
Signed-off-by: Stephen Shirley <diamond@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>