diskimage-builder/diskimage_builder/block_device/level4/fstab.py

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# Copyright 2017 Andreas Florath (andreas@florath.net)
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
from diskimage_builder.block_device.blockdevice \
import BlockDeviceSetupException
from diskimage_builder.block_device.tree_config import TreeConfig
from diskimage_builder.graph.digraph import Digraph
logger = logging.getLogger(__name__)
class Fstab(Digraph.Node):
type_string = "fstab"
tree_config = TreeConfig("fstab")
def _config_error(self, msg):
logger.error(msg)
raise BlockDeviceSetupException(msg)
def __init__(self, config, params):
logger.debug("Fstab object; config [%s]" % config)
self.config = config
self.params = params
self.name = self.config['name']
self.base = self.config['base']
Digraph.Node.__init__(self, self.name)
self.options = self.config.get('options', 'defaults')
self.dump_freq = self.config.get('dump-freq', 0)
self.fsck_passno = self.config.get('fsck-passno', 2)
def insert_nodes(self, dg):
logger.debug("Insert node")
dg.add_node(self)
def insert_edges(self, dg):
logger.debug("Insert edge [%s]" % self)
bnode = dg.find(self.base)
assert bnode is not None
dg.create_edge(bnode, self)
def create(self, result, rollback):
logger.debug("fstab create called [%s]" % self.name)
logger.debug("result [%s]" % result)
if 'fstab' not in result:
result['fstab'] = {}
result['fstab'][self.base] = {
'name': self.name,
'base': self.base,
'options': self.options,
'dump-freq': self.dump_freq,
'fsck-passno': self.fsck_passno
}
def umount(self, state):
"""Fstab does not need any umount task."""
pass
def cleanup(self, state):
"""Fstab does not need any cleanup."""
pass
def delete(self, state):
"""Fstab does not need any cleanup."""
pass