Fixing Bazel build & packaging.

Change-Id: I96ba75c395b9a780e4c8233a088f8d8a8abeb874
diff --git a/tools/build/bazel/osgi_feature_bundler.py b/tools/build/bazel/osgi_feature_bundler.py
new file mode 100755
index 0000000..40e944a
--- /dev/null
+++ b/tools/build/bazel/osgi_feature_bundler.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+"""
+ Copyright 2018-present Open Networking Foundation
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+"""
+
+from zipfile import ZipFile, ZipInfo
+
+# Utility to write out the ZIP bundle containing the artifacts required by an
+# OSGI feature.
+
+def writeFeatureBundle(output, files=[]):
+    with ZipFile(output, 'w') as zip:
+        for file, mvnCoords in files:
+            filename = file.split('/')[-1]
+            if mvnCoords == 'NONE':
+                dest = filename
+            else:
+                parts = mvnCoords.split(':')
+                if len(parts) > 4:
+                    parts.insert(3, parts.pop()) # move version to the 3rd position
+                groupId, artifactId, version = parts[1:4]
+                groupId = groupId.replace('.', '/')
+                extension = filename.split('.')[-1]
+                if extension == 'jar':
+                    filename = '%s-%s.jar' % ( artifactId, version )
+                elif 'features.xml' in filename:
+                    filename = '%s-%s-features.xml' % ( artifactId, version )
+                dest = '%s/%s/%s/%s' % ( groupId, artifactId, version, filename )
+            f = open(file, 'rb')
+            zip.writestr(ZipInfo(dest, date_time=(1980, 1, 1, 0, 0, 0)), f.read())
+            f.close()
+
+if __name__ == '__main__':
+    import sys
+
+    if len(sys.argv) < 2:
+        print 'USAGE'
+        sys.exit(1)
+
+    output = sys.argv[1]
+    args = sys.argv[2:]
+
+    if len(args) % 2 != 0:
+        print 'There must be an even number of args: file mvn_coords'
+        sys.exit(2)
+
+    files = zip(*[iter(args)]*2)
+    writeFeatureBundle(output, files)