#
# Copyright (c) 2018 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
"""
Constants - manage VDO constants.
$Id: //eng/vdo-releases/magnesium/src/python/vdo/vdomgmnt/Constants.py#2 $
"""
import gettext
gettext.install('vdomgmnt')
class Constants(object):
"""Constants manages constant values."""
LOCK_DIR = '/var/lock/vdo'
SECTOR_SIZE = 512
VDO_BLOCK_SIZE = 4096
(KB, MB, GB, TB, PB, EB) = map(lambda x: 2 ** (10 * x), range(1, 7))
lvmByteSuffix = 'b'
lvmKiloSuffix = 'k'
lvmMegaSuffix = 'm'
lvmGigaSuffix = 'g'
lvmTeraSuffix = 't'
lvmPetaSuffix = 'p'
lvmExaSuffix = 'e'
lvmSectorSuffix = 's'
lvmDefaultSuffix = lvmMegaSuffix
lvmDefaultUnitsText = "megabytes"
# The SI suffixes must be ordered least to greatest.
lvmSiSuffixes = [lvmByteSuffix, lvmKiloSuffix, lvmMegaSuffix, lvmGigaSuffix,
lvmTeraSuffix, lvmPetaSuffix, lvmExaSuffix]
lvmSiSuffixSizeMap = dict(zip(lvmSiSuffixes, [1, KB, MB, GB, TB, PB, EB]))
lvmSiSuffixTextMap = dict(zip(lvmSiSuffixes,
[_("B(ytes)"),
_("K(ilobytes)"),
_("M(egabytes)"),
_("G(igabytes)"),
_("T(erabytes)"),
_("P(etabytes)"),
_("E(xabytes)")]))
lvmSuffixes = [lvmSectorSuffix] + lvmSiSuffixes
lvmSuffixSizeMap = { lvmSectorSuffix : SECTOR_SIZE }
lvmSuffixSizeMap.update(lvmSiSuffixSizeMap)
lvmSuffixTextMap = { lvmSectorSuffix : _("S(ectors)") }
lvmSuffixTextMap.update(lvmSiSuffixTextMap)
disabled = 'disabled'
enabled = 'enabled'
enableChoices = [disabled, enabled]
DEDUPLICATION_TIMEOUT = 20
deduplicationStatusError = 'error'
deduplicationStatusOnline = 'online'
deduplicationStatusOpening = 'opening'
class dmsetupStatusFields():
sectorCount = 1
storageDevice = 3
modeState = 4
inRecovery = 5
deduplicationStatus = 6
compressionStatus = 7
@classmethod
def enableString(cls, value):
return cls.enabled if value else cls.disabled