1 files changed, 45 insertions, 0 deletions
diff --git a/src/lib/Server/Plugins/Bzr.py b/src/lib/Server/Plugins/Bzr.py
new file mode 100644
index 000000000..6498b006e
--- /dev/null
+++ b/src/lib/Server/Plugins/Bzr.py
@@ -0,0 +1,45 @@
+import os
+from subprocess import Popen, PIPE
+import Bcfg2.Server.Plugin
+
+# for debugging output only
+import logging
+logger = logging.getLogger('Bcfg2.Plugins.Bzr')
+
+class Bzr(Bcfg2.Server.Plugin.Plugin,
+          Bcfg2.Server.Plugin.Version):
+    name = 'Bzr'
+    __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 bzr directory for bcfg2 repo
+        bzr_dir = "%s/.bzr" % datastore
+
+        # Read revision from bcfg2 repo
+        if os.path.isdir(bzr_dir):
+            revision = self.get_revision()
+        else:
+            logger.error("%s is not a directory" % bzr_dir)
+            raise Bcfg2.Server.Plugin.PluginInitError
+
+        logger.debug("Initialized Bazaar plugin with directory = %(dir)s at revision = %(rev)s" % {'dir': bzr_dir, 'rev': revision})
+
+    def get_revision(self):
+        '''Read Bazaar revision information for the bcfg2 repository'''
+        try:
+            data = Popen(("env LC_ALL=C bzr revno %s" %
+                         (self.datastore)), shell=True,
+                         stdout=PIPE).stdout.readlines()
+            revision = data
+        except IndexError:
+            logger.error("Failed to read bzr revno; disabling Bazaar support")
+            logger.error('''Ran command "bzr revno %s"''' % \
+                            (self.datastore))
+            logger.error("Got output: %s" % data)
+            raise Bcfg2.Server.Plugin.PluginInitError
+        return revision