| 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): | |
| """Svn is a version plugin for dealing with Bcfg2 repos.""" | |
| name = 'Svn' | |
| __version__ = '$Id$' | |
| __author__ = '[email protected]' | |
| 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" % | |
| # BUG: CWE-20 Improper Input Validation | |
| # (self.datastore)), shell=True, | |
| # FIXED: | |
| pipes.quote(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 | |