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Latest revisions

# Date Author Comment
09b72783 11/12/2012 06:51 pm Michael Hanselmann

RunCmd: Expose "postfork" callback

The “_postfork_fn” parameter was only used for tests until now. To
implement a good locking scheme, remote commands must also make use of
this callback to release a lock when the command was successfully
started (but did not yet finish)....
551a29df 11/12/2012 06:17 pm Iustin Pop

Merge branch 'devel-2.6' into master

  • devel-2.6:
    Improve error message when migration status fail
    Fix type error in kvm/GetMigrationStatus
    Fix PID file writing in Haskell daemons

Conflicts (both trivial):
htools/Ganeti/Daemon.hs (_writePidFile rename)...
112b6e89 11/12/2012 06:05 pm Iustin Pop

Merge branch 'stable-2.6' into devel-2.6

  • stable-2.6:
    Improve error message when migration status fail
    Fix type error in kvm/GetMigrationStatus
    Fix PID file writing in Haskell daemons

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
4041a4e3 11/12/2012 03:14 pm Iustin Pop

Improve error message when migration status fail

Commit 6a1434d7 (“Make migration RPC non-blocking”) changed the API
for reporting migration status, but has a small cosmetic bug: if the
migration status if failure, but the RPC itself to get the status
didn't fail, it shows the following error message:...
62457f51 11/12/2012 03:13 pm Iustin Pop

Fix type error in kvm/GetMigrationStatus

Commit 6a1434d7 (“Make migration RPC non-blocking”) changed from
raising HypervisorErrors to returning MigrationStatus
objects. However, these objects don't have an "info" attribute, so
they can't pass a reason back (which is in itself a bug); but the KVM...
a4c0fe1e 11/12/2012 01:29 pm Iustin Pop

Fix PID file writing in Haskell daemons

Currently, the code uses createFile, which has the effect of always
truncating the file. This is bad, as the content of the PID file is
wiped even when we wouldn't be able to lock it!

We switch to openFd (createFile is just a wrapper over that), and we...
29a30533 11/12/2012 01:21 pm Iustin Pop

Remove unsafePerformIO usage

We need to change a few things, most importantly CLI options defaults,
but otherwise we already used the path to files from functions which
were already in the I/O monad, so we don't have to change much of the
code flow.

Additionally, Path.hs now has an explicit export list, to stop...
37904802 11/12/2012 01:21 pm Iustin Pop

Change keyToFilename/readSSconfFile interaction

Currently, keyToFilename uses itself the default config path. In the
light of making that an function in the IO monad, let's remove the
"default" path functionality from this function and make it always
require the config path; its caller, readSSConfFile, can then do the...
d66aa238 11/12/2012 01:19 pm Iustin Pop

Change type of program options to 'IO [Options]'

Some options have defaults that depend on the environment, and we
could handle these in two ways:

- use a place-holder value (e.g. data X a = Default | Custom a) that
is later read from the environment
- move the options list to IO monad, where it can read the...
48483a2e 11/12/2012 12:02 pm Iustin Pop

Two small logging improvements

The "starting" message is changed to match the Python one, and in case
the preparation fails, we also log the error (beside printing it on
stderr or writing it to the error reporting pipe), as at this time
logging is usually set up....

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