make stripped paths configurable

plugins/builder/save_failed_tree.py

@@ -1,19 +1,30 @@
 import fnmatch
 import os
 import tarfile
+import ConfigParser
 import koji.tasks as tasks
 from __main__ import BuildRoot
 
 __all__ = ('SaveFailedTreeTask',)
 
+CONFIG_FILE = '/etc/kojid/plugins/save_failed_tree.conf'
+config = None
 
-def omit_ccache(tarinfo):
-    if fnmatch.fnmatch(tarinfo.name, '*/tmp/krb5cc') or \
-       fnmatch.fnmatch(tarinfo.name, '*/etc/*.keytab'):
+def omit_paths(tarinfo):
+    if any([fnmatch.fnmatch(tarinfo.name, f) for f in config['path_filters']]):
         return None
     else:
         return tarinfo
 
+def read_config():
+    global config
+    cp = ConfigParser.SafeConfigParser()
+    cp.read(CONFIG_FILE)
+    config = {
+        'path_filters': [],
+    }
+    if cp.has_option('filters', 'paths'):
+        config['path_filters'] = cp.get('filters', 'paths').split(':')
 
 class SaveFailedTreeTask(tasks.BaseTaskHandler):
     Methods = ['saveFailedTree']
@@ -21,6 +32,7 @@ class SaveFailedTreeTask(tasks.BaseTaskHandler):
 
     def handler(self, taskID, full=False):
         self.logger.debug("Starting saving buildroots for task %d [full=%s]" % (taskID, full))
+        read_config()
         tar_path = os.path.join(self.workdir, 'broots-task-%s.tar.gz' % taskID)
         f = tarfile.open(tar_path, "w:gz")
         for broot in self.session.listBuildroots(taskID=taskID):
@@ -31,7 +43,7 @@ class SaveFailedTreeTask(tasks.BaseTaskHandler):
             else:
                 path = os.path.join(path, 'builddir')
                 self.logger.debug("Adding buildroot: %s" % path)
-            f.add(path, filter=omit_ccache)
+            f.add(path, filter=omit_paths)
         f.close()
         self.logger.debug("Uploading %s to hub." % tar_path)
         self.uploadFile(tar_path)