Initial code drop from Cisco

[nfvbench.git] / docker / cleanup_generators.py

diff --git a/docker/cleanup_generators.py b/docker/cleanup_generators.py
new file mode 100755 (executable)
index 0000000..db68dcb
--- /dev/null
+++ b/docker/cleanup_generators.py
@@ -0,0 +1,78 @@
+# Copyright 2016 Cisco Systems, Inc.  All rights reserved.
+#
+#    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.
+
+import os
+import shutil
+
+TREX_OPT = '/opt/trex'
+
+
+TREX_UNUSED = [
+    '_t-rex-64-debug', '_t-rex-64-debug-o', 'bp-sim-64', 'bp-sim-64-debug',
+    't-rex-64-debug', 't-rex-64-debug-o', 'automation/__init__.py',
+    'automation/graph_template.html',
+    'automation/config', 'automation/h_avc.py', 'automation/phantom',
+    'automation/readme.txt', 'automation/regression', 'automation/report_template.html',
+    'automation/sshpass.exp', 'automation/trex_perf.py', 'wkhtmltopdf-amd64'
+]
+
+
+def remove_unused_libs(path, files):
+    """
+    Remove files not used by traffic generator.
+    """
+    for f in files:
+        f = os.path.join(path, f)
+        try:
+            if os.path.isdir(f):
+                shutil.rmtree(f)
+            else:
+                os.remove(f)
+        except OSError:
+            print "Skipped file:"
+            print f
+            continue
+
+
+def get_dir_size(start_path='.'):
+    """
+    Computes size of directory.
+
+    :return: size of directory with subdirectiories
+    """
+    total_size = 0
+    for dirpath, dirnames, filenames in os.walk(start_path):
+        for f in filenames:
+            try:
+                fp = os.path.join(dirpath, f)
+                total_size += os.path.getsize(fp)
+            except OSError:
+                continue
+    return total_size
+
+if __name__ == "__main__":
+    versions = os.listdir(TREX_OPT)
+    for version in versions:
+        trex_path = os.path.join(TREX_OPT, version)
+        print 'Cleaning TRex', version
+        try:
+            size_before = get_dir_size(trex_path)
+            remove_unused_libs(trex_path, TREX_UNUSED)
+            size_after = get_dir_size(trex_path)
+            print '==== Saved Space ===='
+            print size_before - size_after
+        except OSError:
+            import traceback
+            print traceback.print_exc()
+            print 'Cleanup was not finished.'