b5f247b04f
This is to add missing ws separator between words. Change-Id: Ie192d296128fb785c344ac5d8a77cad59764080e
123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
# Copyright 2016-2017 Andreas Florath (andreas@florath.net)
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import logging
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import os
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import sys
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import yaml
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from diskimage_builder.block_device.blockdevice import BlockDevice
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from diskimage_builder import logging_config
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logger = logging.getLogger(__name__)
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class BlockDeviceCmd(object):
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def cmd_init(self):
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self.bd.cmd_init()
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def cmd_getval(self):
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self.bd.cmd_getval(self.args.symbol)
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def cmd_create(self):
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self.bd.cmd_create()
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def cmd_umount(self):
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self.bd.cmd_umount()
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def cmd_cleanup(self):
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self.bd.cmd_cleanup()
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def cmd_delete(self):
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self.bd.cmd_delete()
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def cmd_writefstab(self):
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self.bd.cmd_writefstab()
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def main(self):
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logging_config.setup()
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parser = argparse.ArgumentParser(description="DIB Block Device helper")
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parser.add_argument('--params', required=False,
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help="YAML file containing parameters for "
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"block-device handling. Default is "
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"DIB_BLOCK_DEVICE_PARAMS_YAML")
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subparsers = parser.add_subparsers(title='commands',
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description='valid commands',
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dest='command',
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help='additional help')
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cmd_init = subparsers.add_parser('init',
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help='Initialize configuration')
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cmd_init.set_defaults(func=self.cmd_init)
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cmd_getval = subparsers.add_parser('getval',
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help='Retrieve information about '
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'internal state')
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cmd_getval.set_defaults(func=self.cmd_getval)
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cmd_getval.add_argument('symbol', help='symbol to print')
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cmd_create = subparsers.add_parser('create',
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help='Create the block device')
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cmd_create.set_defaults(func=self.cmd_create)
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cmd_umount = subparsers.add_parser('umount',
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help='Unmount blockdevice and '
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'cleanup resources')
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cmd_umount.set_defaults(func=self.cmd_umount)
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cmd_cleanup = subparsers.add_parser('cleanup', help='Final cleanup')
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cmd_cleanup.set_defaults(func=self.cmd_cleanup)
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cmd_delete = subparsers.add_parser('delete', help='Error cleanup')
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cmd_delete.set_defaults(func=self.cmd_delete)
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cmd_writefstab = subparsers.add_parser('writefstab',
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help='Create fstab for system')
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cmd_writefstab.set_defaults(func=self.cmd_writefstab)
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self.args = parser.parse_args()
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# Find, open and parse the parameters file
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if not self.args.params:
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if 'DIB_BLOCK_DEVICE_PARAMS_YAML' in os.environ:
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param_file = os.environ['DIB_BLOCK_DEVICE_PARAMS_YAML']
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else:
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parser.error(
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"DIB_BLOCK_DEVICE_PARAMS_YAML or --params not set")
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else:
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param_file = self.args.params
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logger.info("params [%s]", param_file)
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try:
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with open(param_file) as f:
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self.params = yaml.safe_load(f)
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except Exception:
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logger.exception("Failed to open parameter YAML")
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sys.exit(1)
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# Setup main BlockDevice object from args
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self.bd = BlockDevice(self.params)
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self.args.func()
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def main():
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bdc = BlockDeviceCmd()
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return bdc.main()
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if __name__ == "__main__":
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sys.exit(main())
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