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import os
import Bcfg2.Server.Plugin
def async_run(prog, args):
pid = os.fork()
if pid:
os.waitpid(pid, 0)
else:
dpid = os.fork()
if not dpid:
os.system(" ".join([prog] + args))
os._exit(0)
class Trigger(Bcfg2.Server.Plugin.Plugin,
Bcfg2.Server.Plugin.Statistics):
"""Trigger is a plugin that calls external scripts (on the server)."""
name = 'Trigger'
__version__ = '$Id'
__author__ = 'bcfg-dev@mcs.anl.gov'
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
Bcfg2.Server.Plugin.Statistics.__init__(self)
try:
os.stat(self.data)
except:
self.logger.error("Trigger: spool directory %s does not exist; "
"unloading" % self.data)
raise Bcfg2.Server.Plugin.PluginInitError
def process_statistics(self, metadata, _):
args = [metadata.hostname, '-p', metadata.profile, '-g',
':'.join([g for g in metadata.groups])]
for notifier in os.listdir(self.data):
if ((notifier[-1] == '~') or
(notifier[:2] == '.#') or
(notifier[-4:] == '.swp') or
(notifier in ['SCCS', '.svn', '4913'])):
continue
npath = self.data + '/' + notifier
self.logger.debug("Running %s %s" % (npath, " ".join(args)))
async_run(npath, args)
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