Current File : //proc/227033/root/lib/python2.7/site-packages/salt/grains/zfs.py
# -*- coding: utf-8 -*-
'''
ZFS grain provider
:maintainer: Jorge Schrauwen <sjorge@blackdot.be>
:maturity: new
:depends: salt.utils, salt.module.cmdmod
:platform: illumos,freebsd,linux
.. versionadded:: 2018.3.0
'''
from __future__ import absolute_import, print_function, unicode_literals
# Import python libs
import logging
# Import salt libs
import salt.utils.dictupdate
import salt.utils.path
import salt.utils.platform
# Solve the Chicken and egg problem where grains need to run before any
# of the modules are loaded and are generally available for any usage.
import salt.modules.cmdmod
import salt.utils.zfs
__virtualname__ = 'zfs'
__salt__ = {
'cmd.run': salt.modules.cmdmod.run,
}
__utils__ = {
'zfs.is_supported': salt.utils.zfs.is_supported,
'zfs.has_feature_flags': salt.utils.zfs.has_feature_flags,
'zfs.zpool_command': salt.utils.zfs.zpool_command,
'zfs.to_size': salt.utils.zfs.to_size,
}
log = logging.getLogger(__name__)
def __virtual__():
'''
Load zfs grains
'''
# NOTE: we always load this grain so we can properly export
# at least the zfs_support grain
# except for Windows... don't try to load this on Windows (#51703)
if salt.utils.platform.is_windows():
return False, 'ZFS: Not available on Windows'
return __virtualname__
def _zfs_pool_data():
'''
Provide grains about zpools
'''
grains = {}
# collect zpool data
zpool_list_cmd = __utils__['zfs.zpool_command'](
'list',
flags=['-H'],
opts={'-o': 'name,size'},
)
for zpool in __salt__['cmd.run'](zpool_list_cmd, ignore_retcode=True).splitlines():
if 'zpool' not in grains:
grains['zpool'] = {}
zpool = zpool.split()
grains['zpool'][zpool[0]] = __utils__['zfs.to_size'](zpool[1], False)
# return grain data
return grains
def zfs():
'''
Provide grains for zfs/zpool
'''
grains = {}
grains['zfs_support'] = __utils__['zfs.is_supported']()
grains['zfs_feature_flags'] = __utils__['zfs.has_feature_flags']()
if grains['zfs_support']:
grains = salt.utils.dictupdate.update(grains, _zfs_pool_data(), merge_lists=True)
return grains
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