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# 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.'
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