ceph/src/ceph-volume/ceph_volume/devices/raw/common.py

   1 import argparse
   2 from ceph_volume.util import arg_validators
   3
   4 def create_parser(prog, description):
   5     """
   6     Both prepare and create share the same parser, those are defined here to
   7     avoid duplication
   8     """
   9     parser = argparse.ArgumentParser(
  10         prog=prog,
  11         formatter_class=argparse.RawDescriptionHelpFormatter,
  12         description=description,
  13     )
  14     parser.add_argument(
  15         '--data',
  16         required=True,
  17     type=arg_validators.ValidDevice(as_string=True),
  18         help='a raw device to use for the OSD',
  19     )
  20     parser.add_argument(
  21         '--bluestore',
  22         action='store_true',
  23         help='Use BlueStore backend')
  24     parser.add_argument(
  25         '--crush-device-class',
  26         dest='crush_device_class',
  27         help='Crush device class to assign this OSD to',
  28     )
  29     parser.add_argument(
  30         '--no-tmpfs',
  31         action='store_true',
  32         help='Do not use a tmpfs mount for OSD data dir'
  33     )
  34     parser.add_argument(
  35         '--block.db',
  36         dest='block_db',
  37         help='Path to bluestore block.db block device'
  38     )
  39     parser.add_argument(
  40         '--block.wal',
  41         dest='block_wal',
  42         help='Path to bluestore block.wal block device'
  43     )
  44     parser.add_argument(
  45         '--dmcrypt',
  46         action='store_true',
  47         help='Enable device encryption via dm-crypt',
  48     )
  49     return parser