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 from . import migrate
  13
  14
  15 class LVM(object):
  16
  17     help = 'Use LVM and LVM-based technologies to deploy OSDs'
  18
  19     _help = dedent("""
  20     Use LVM and LVM-based technologies to deploy OSDs
  21
  22     {sub_help}
  23     """)
  24
  25     mapper = {
  26         'activate': activate.Activate,
  27         'deactivate': deactivate.Deactivate,
  28         'batch': batch.Batch,
  29         'prepare': prepare.Prepare,
  30         'create': create.Create,
  31         'trigger': trigger.Trigger,
  32         'list': listing.List,
  33         'zap': zap.Zap,
  34         'migrate': migrate.Migrate,
  35         'new-wal': migrate.NewWAL,
  36         'new-db': migrate.NewDB,
  37     }
  38
  39     def __init__(self, argv):
  40         self.argv = argv
  41
  42     def print_help(self, sub_help):
  43         return self._help.format(sub_help=sub_help)
  44
  45     def main(self):
  46         terminal.dispatch(self.mapper, self.argv)
  47         parser = argparse.ArgumentParser(
  48             prog='ceph-volume lvm',
  49             formatter_class=argparse.RawDescriptionHelpFormatter,
  50             description=self.print_help(terminal.subhelp(self.mapper)),
  51         )
  52         parser.parse_args(self.argv)
  53         if len(self.argv) <= 1:
  54             return parser.print_help()