Allow to run directly from a git checkout (#1037)

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/lib/Bcfg2/Server/Plugins/Cvs.py b/src/lib/Bcfg2/Server/Plugins/Cvs.py
new file mode 100644
index 000000000..6ce72acd2
--- /dev/null
+++ b/src/lib/Bcfg2/Server/Plugins/Cvs.py
@@ -0,0 +1,46 @@
+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
+