bc58b5c515
Move Partition() object creation into the actual Partition object, rather than having the logic within the Partitioning() object Change-Id: I833ed419a0fca38181a9e2db28e5af87500d8ba4
126 lines
3.9 KiB
Python
126 lines
3.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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from diskimage_builder.block_device.exception import \
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BlockDeviceSetupException
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from diskimage_builder.block_device.tree_config import TreeConfig
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from diskimage_builder.graph.digraph import Digraph
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logger = logging.getLogger(__name__)
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class PartitionTreeConfig(object):
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@staticmethod
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def config_tree_to_digraph(config_key, config_value, pconfig, dconfig,
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base_name, plugin_manager):
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logger.debug("called [%s] [%s] [%s]"
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% (config_key, config_value, base_name))
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assert config_key == Partition.type_string
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for partition in config_value:
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name = partition['name']
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nconfig = {
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'name': name,
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'base': base_name
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}
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for k, v in partition.items():
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if k not in plugin_manager:
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nconfig[k] = v
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else:
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plugin_manager[k].plugin \
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.tree_config.config_tree_to_digraph(
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k, v, dconfig, name, plugin_manager)
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pconfig.append(nconfig)
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logger.debug("finished [%s] [%s]" % (nconfig, dconfig))
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class Partition(Digraph.Node):
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type_string = "partitions"
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tree_config = TreeConfig("partitions")
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flag_boot = 1
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flag_primary = 2
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def __init__(self, config, parent, prev_partition):
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if 'name' not in config:
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raise BlockDeviceSetupException(
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"Missing 'name' in partition config: %s" % config)
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self.name = config['name']
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Digraph.Node.__init__(self, self.name)
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self.base = config['base']
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self.partitioning = parent
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self.prev_partition = prev_partition
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self.flags = set()
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if 'flags' in config:
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for f in config['flags']:
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if f == 'boot':
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self.flags.add(self.flag_boot)
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elif f == 'primary':
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self.flags.add(self.flag_primary)
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else:
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raise BlockDeviceSetupException("Unknown flag: %s" % f)
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if 'size' not in config:
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raise BlockDeviceSetupException("No size in partition" % self.name)
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self.size = config['size']
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self.ptype = int(config['type'], 16) if 'type' in config else 0x83
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def __repr__(self):
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return "<Partition [%s] on [%s] size [%s] prev [%s]>" \
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% (self.name, self.base, self.size,
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self.prev_partition.name if self.prev_partition else "UNSET")
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def get_flags(self):
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return self.flags
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def get_size(self):
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return self.size
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def get_type(self):
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return self.ptype
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def get_name(self):
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return self.name
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def insert_edges(self, dg):
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bnode = dg.find(self.base)
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assert bnode is not None
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dg.create_edge(bnode, self)
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if self.prev_partition is not None:
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logger.debug("Insert edge [%s]" % self)
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dg.create_edge(self.prev_partition, self)
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def create(self, result, rollback):
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self.partitioning.create(result, rollback)
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def umount(self, state):
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"""Partition does not need any umount task."""
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pass
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def cleanup(self, state):
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"""Partition does not need any cleanup."""
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pass
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def delete(self, state):
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"""Partition does not need any cleanup."""
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pass
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