Image building tools for OpenStack
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diskimage-builder/diskimage_builder/disk_image_create.py

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# Copyright 2016 Ian Wienand (iwienand@redhat.com)
#
# 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 os.path
import sys
import diskimage_builder.paths
def main():
environ = os.environ
# pre-seed some paths for the shell script
environ['_LIB'] = diskimage_builder.paths.get_path('lib')
# export the path to the current python
if not os.environ.get('DIB_PYTHON_EXEC'):
os.environ['DIB_PYTHON_EXEC'] = sys.executable
# we have to handle being called as "disk-image-create" or
# "ramdisk-image-create". ramdisk-image-create is just a symlink
# to disk-image-create
# XXX: we could simplify things by removing the symlink, and
# just setting IS_RAMDISK in environ here depending on sys.argv[1]
script = "%s/%s" % (diskimage_builder.paths.get_path('lib'),
os.path.basename(sys.argv[0]))
os.execve("/bin/bash", ['bash', script] + sys.argv[1:], environ)