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76 lines
2.4 KiB
Python
Executable File
76 lines
2.4 KiB
Python
Executable File
#!/usr/bin/python
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import sys
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import tempfile
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import os.path
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import os
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kernel = None
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initrd = None
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copy_to = None
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def cmd(cmdstr, err=True):
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print cmdstr
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if os.system(cmdstr) != 0 and err:
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raise Exception("Failed to run shell command: %s" % cmdstr)
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def prepare():
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global kernel, initrd, copy_to
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try:
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k = os.path.join(copy_to, "vmlinuz")
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i = os.path.join(copy_to, "initrd.img")
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if os.path.exists(k) and os.path.exists(i):
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print "Having template(%s) prepared already, skip copying" % copy_to
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return 0
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else:
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if not os.path.exists(copy_to):
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os.makedirs(copy_to)
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def copy_from_nfs(src, dst):
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mnt_path = tempfile.mkdtemp()
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try:
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nfs_path = os.path.dirname(src)
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filename = os.path.basename(src)
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t = os.path.join(mnt_path, filename)
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mnt = "mount %s %s" % (nfs_path, mnt_path)
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cmd(mnt)
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cp = "cp -f %s %s" % (t, dst)
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cmd(cp)
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finally:
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umnt = "umount %s" % mnt_path
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cmd(umnt, False)
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rm = "rm -r %s" % mnt_path
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cmd(rm, False)
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copy_from_nfs(kernel, copy_to)
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copy_from_nfs(initrd, copy_to)
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except Exception, e:
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print e
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return 1
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if __name__ == "__main__":
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if len(sys.argv) < 4:
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print "Usage: prepare_kickstart_kerneal_initrd.py path_to_kernel path_to_initrd path_kernel_initrd_copy_to"
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sys.exit(1)
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(kernel, initrd, copy_to) = sys.argv[1:]
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sys.exit(prepare())
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