ceph/src/ceph-volume/ceph_volume/devices/lvm/main.py

   1 import argparse
   2 from textwrap import dedent
   3 from ceph_volume import terminal
   4 from . import activate
   5 from . import deactivate
   6 from . import prepare
   7 from . import create
   8 from . import trigger
   9 from . import listing
  10 from . import zap
  11 from . import batch
  12
  13
  14 class LVM(object):
  15
  16     help = 'Use LVM and LVM-based technologies to deploy OSDs'
  17
  18     _help = dedent("""
  19     Use LVM and LVM-based technologies to deploy OSDs
  20
  21     {sub_help}
  22     """)
  23
  24     mapper = {
  25         'activate': activate.Activate,
  26         'deactivate': deactivate.Deactivate,
  27         'batch': batch.Batch,
  28         'prepare': prepare.Prepare,
  29         'create': create.Create,
  30         'trigger': trigger.Trigger,
  31         'list': listing.List,
  32         'zap': zap.Zap,
  33     }
  34
  35     def __init__(self, argv):
  36         self.argv = argv
  37
  38     def print_help(self, sub_help):
  39         return self._help.format(sub_help=sub_help)
  40
  41     def main(self):
  42         terminal.dispatch(self.mapper, self.argv)
  43         parser = argparse.ArgumentParser(
  44             prog='ceph-volume lvm',
  45             formatter_class=argparse.RawDescriptionHelpFormatter,
  46             description=self.print_help(terminal.subhelp(self.mapper)),
  47         )
  48         parser.parse_args(self.argv)
  49         if len(self.argv) <= 1:
  50             return parser.print_help()