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Latest revisions

# Date Author Comment
59f187eb 07/30/2008 03:32 pm Iustin Pop

Unify SetupDaemon/SetupLogging

The 'old-style' info, error, debug logs do not make much sense. This
patch unifies the SetupLogging and SetupDaemon functions. As a result,
all the commands logs to a 'commands.log' file.

The patch also changes the log setup to keep going if there's an error...

9936bd63 07/30/2008 03:29 pm Iustin Pop

Simplify the log constants and add another one

The patch changes the log constants by moving the slash to the end of
the log dir instead of at the beginning of each log file name.

It also adds a new LOG_COMMANDS constant (to be used in a next patch).

e873317a 07/30/2008 02:31 pm Guido Trotter

Parallelize {Startup,Shutdown,Reboot}Instance

Reviewed-by: iustinp

4e0b4d2d 07/30/2008 02:30 pm Guido Trotter

Parallelize LUReinstallInstance

self.recalculate_locks[locking.LEVEL_NODE] could have any value and
everything would work anyway. We'll use the string 'replace' by
convention because in the future we might want an 'append' mode.

Reviewed-by: iustinp

c4a2fee1 07/30/2008 02:30 pm Guido Trotter

LogicalUnit._LockInstancesNodes helper function

This function is used to lock instances' primary and secondary nodes
after locking instances themselves.

Reviewed-by: iustinp

3977a4c1 07/30/2008 02:30 pm Guido Trotter

Make sharing locks possible

LUs can declare which locks they need by populating the
self.needed_locks dictionary, but those locks are always acquired as
exclusive. Make it possible to acquire shared locks as well, by
declaring a particular level as shared in the self.share_locks...

fb8dcb62 07/30/2008 02:29 pm Guido Trotter

Add LogicalUnit.DeclareLocks

This additional LogicalUnit function is optional to implement, but lets
you change your locking needs for one level just before locking it, but
after the previous levels have been already locked. It is useful for
example to calculate what nodes to lock after locking an instance....

74b5913f 07/30/2008 02:29 pm Guido Trotter

LURenameInstance, add/remove relevant locks

LURenameInstance forgot to remove the old lock name and add the new one,
making it impossible for parallel LUs to act on the instance (without a
master daemon restart). This also fixes burning+rename with the
parallelization of {Start,Stop}Instance....

85f03e0d 07/30/2008 01:02 pm Michael Hanselmann

Rewrite job queue

We found several issues in the old job queue implementation. It had race
conditions, deadlocks and other deficiencies.

Short summary:
- _QueuedOpCode and _QueuedJob are now more or less data structures with a few
utility functions. __Setup is gone....

c0a8eb9e 07/30/2008 11:56 am Michael Hanselmann

workerpool: Log when waiting for a thread

Reviewed-by: iustinp

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