import os from subprocess import Popen, PIPE import Bcfg2.Server.Plugin # for debugging output only import logging logger = logging.getLogger('Bcfg2.Plugins.Svn') class Svn(Bcfg2.Server.Plugin.Plugin, Bcfg2.Server.Plugin.Version): name = 'Svn' __version__ = '$Id$' __author__ = 'bcfg-dev@mcs.anl.gov' def __init__(self, core, datastore): Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore) self.core = core self.datastore = datastore # path to svn directory for bcfg2 repo svn_dir = "%s/.svn" % datastore # Read revision from bcfg2 repo if os.path.isdir(svn_dir): self.get_revision() else: logger.error("%s is not a directory" % svn_dir) raise Bcfg2.Server.Plugin.PluginInitError logger.debug("Initialized svn plugin with svn directory = %s" % svn_dir) def get_revision(self): '''Read svn revision information for the bcfg2 repository''' try: data = Popen(("env LC_ALL=C svn info %s" % (self.datastore)), shell=True, stdout=PIPE).communicate()[0].split('\n') return [line.split(': ')[1] for line in data \ if line[:9] == 'Revision:'][-1] except IndexError: logger.error("Failed to read svn info; disabling svn support") logger.error('''Ran command "svn info %s"''' % (self.datastore)) logger.error("Got output: %s" % data) raise Bcfg2.Server.Plugin.PluginInitError