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import Bcfg2.Server.Plugin
import Bcfg2.Server.Reports.importscript
from Bcfg2.Server.Reports.reports.models import Client
import difflib, lxml.etree, time, logging
import Bcfg2.Server.Reports.settings
from Bcfg2.Server.Reports.updatefix import update_database
# for debugging output only
logger = logging.getLogger('Bcfg2.Plugins.DBStats')
class DBStats(Bcfg2.Server.Plugin.Plugin,
Bcfg2.Server.Plugin.Statistics,
Bcfg2.Server.Plugin.PullSource):
name = 'DBStats'
__version__ = '$Id$'
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
Bcfg2.Server.Plugin.Statistics.__init__(self)
Bcfg2.Server.Plugin.PullSource.__init__(self)
self.cpath = "%s/Metadata/clients.xml" % datastore
self.core = core
logger.debug("Searching for new models to add to the statistics database")
try:
update_database()
except Exception, inst:
logger.debug(str(inst))
logger.debug(str(type(inst)))
def process_statistics(self, mdata, xdata):
newstats = xdata.find("Statistics")
newstats.set('time', time.asctime(time.localtime()))
e = lxml.etree.Element('Node', name=mdata.hostname)
e.append(newstats)
container = lxml.etree.Element("ConfigStatistics")
container.append(e)
# FIXME need to build a metadata interface to expose a list of clients
# FIXME Server processing the request should be mentionned here
start = time.time()
for i in [1, 2, 3]:
try:
Bcfg2.Server.Reports.importscript.load_stats(
self.core.metadata.clientdata, container, 0, True)
break
except:
logger.error("DBStats: Failed to write to db (lock); retrying",
exc_info=1)
if i == 3:
logger.error("DBStats: Retry limit failed; aborting operation")
return
logger.info("Imported data in the reason fast path in %s second" \
% (time.time() - start))
def GetExtra(self, client):
c_inst = Client.objects.filter(name=client)[0]
return [(a.entry.kind, a.entry.name) for a in
c_inst.current_interaction.extra()]
def GetCurrentEntry(self, client, e_type, e_name):
c_inst = Client.objects.filter(name=client)[0]
result = c_inst.current_interaction.bad().filter(entry__kind=e_type,
entry__name=e_name)
if not result:
raise Bcfg2.Server.Plugin.PluginExecutionError
entry = result[0]
ret = []
data = ('owner', 'group', 'perms')
for t in data:
if getattr(entry.reason, "current_%s" % t) == '':
ret.append(getattr(entry.reason, t))
else:
ret.append(getattr(entry.reason, "current_%s" % t))
if entry.reason.current_diff != '':
ret.append('\n'.join(difflib.restore(\
entry.reason.current_diff.split('\n'), 1)))
else:
ret.append(None)
return ret
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