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import os
from subprocess import Popen, PIPE
import Bcfg2.Server.Plugin
# for debugging output only
import logging
logger = logging.getLogger('Bcfg2.Plugins.Cvs')
class Cvs(Bcfg2.Server.Plugin.Plugin,
Bcfg2.Server.Plugin.Version):
"""CVS is a version plugin for dealing with Bcfg2 repository."""
name = 'Cvs'
__author__ = 'bcfg-dev@mcs.anl.gov'
experimental = True
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
self.core = core
self.datastore = datastore
# path to cvs directory for Bcfg2 repo
cvs_dir = "%s/CVSROOT" % datastore
# Read revision from Bcfg2 repo
if os.path.isdir(cvs_dir):
self.get_revision()
else:
logger.error("%s is not a directory" % cvs_dir)
raise Bcfg2.Server.Plugin.PluginInitError
logger.debug("Initialized cvs plugin with cvs directory = %s" % cvs_dir)
def get_revision(self):
"""Read cvs revision information for the Bcfg2 repository."""
try:
data = Popen("env LC_ALL=C cvs log",
shell=True,
cwd=self.datastore,
stdout=PIPE).stdout.readlines()
revision = data[3].strip('\n')
except IndexError:
logger.error("Failed to read cvs log; disabling cvs support")
logger.error('''Ran command "cvs log %s"''' % (self.datastore))
logger.error("Got output: %s" % data)
raise Bcfg2.Server.Plugin.PluginInitError
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