X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=database.py;h=0680b6cb118df596c15a8b05182d39960de9dab7;hb=570d234b7d7b40416b296de71225f28c826ee991;hp=c990364ef6b306e1fa8c4f37d9d62ac1bc8e8fcb;hpb=d3a3b2d3ea98e72183d1cb5497c38badaa0c5863;p=nodemanager.git diff --git a/database.py b/database.py index c990364..0680b6c 100644 --- a/database.py +++ b/database.py @@ -1,6 +1,4 @@ -# $Id$ -# $URL$ - +# """The database houses information on slivers. This information reaches the sliver manager in two different ways: one, through the GetSlivers() call made periodically; two, by users delivering tickets. @@ -15,15 +13,22 @@ In order to maintain service when the node reboots during a network partition, the database is constantly being dumped to disk. """ +import sys + import cPickle import threading import time -import accounts +import account import logger import tools import bwmon +# hopefully temporary +# is there a good reason to have this done here and not in a plugin ? +try: from coresched_lxc import CoreSched +except: from coresched_vs import CoreSched + # We enforce minimum allocations to keep the clueless from hosing their slivers. # Disallow disk loans because there's currently no way to punish slivers over quota. MINIMUM_ALLOCATION = {'cpu_pct': 0, @@ -120,19 +125,25 @@ It may be necessary in the future to do something smarter.""" self._compute_effective_rspecs() + try: + coresched = CoreSched() + coresched.adjustCores(self) + except: + logger.log_exc("database: exception while doing core sched") + # create and destroy accounts as needed logger.verbose("database: sync : fetching accounts") - existing_acct_names = accounts.all() + existing_acct_names = account.all() for name in existing_acct_names: if name not in self: logger.verbose("database: sync : ensure_destroy'ing %s"%name) - accounts.get(name).ensure_destroyed() + account.get(name).ensure_destroyed() for name, rec in self.iteritems(): # protect this; if anything fails for a given sliver # we still need the other ones to be handled try: - sliver = accounts.get(name) - logger.verbose("database: sync : looping on %s (shell account class from pwd %s)" %(name,sliver._get_class())) + sliver = account.get(name) + logger.verbose("database: sync : looping on %s (shell account class from pwd %s)" %(name, sliver._get_class())) # Make sure we refresh accounts that are running if rec['instantiation'] == 'plc-instantiated': logger.verbose ("database: sync : ensure_create'ing 'instantiation' sliver %s"%name) @@ -147,8 +158,10 @@ It may be necessary in the future to do something smarter.""" if sliver.is_running(): logger.verbose ("database: sync : ensure_create'ing 'delegated' sliver %s"%name) sliver.ensure_created(rec) + except SystemExit as e: + sys.exit(e) except: - logger.log_exc("database: sync failed to handle sliver",name=name) + logger.log_exc("database: sync failed to handle sliver", name=name) # Wake up bwmom to update limits. bwmon.lock.set()