b91207ae47
"log and throw" is arguably an anti-pattern; the error message either bubles-up into the exception, or the handler figures it out. We have an example where this logs, and then the handler in blockdevice.py catches it and logs it again. Less layers is better; just raise the exception, and use log.exception to get tracebacks where handled. Change-Id: I8efd94fbe52a3911253753f447afdb7565849185
76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
# Copyright 2017 Andreas Florath (andreas@florath.net)
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#
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# 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.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 Fstab(Digraph.Node):
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type_string = "fstab"
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tree_config = TreeConfig("fstab")
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def __init__(self, config, params):
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logger.debug("Fstab object; config [%s]" % config)
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self.config = config
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self.params = params
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self.name = self.config['name']
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self.base = self.config['base']
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Digraph.Node.__init__(self, self.name)
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self.options = self.config.get('options', 'defaults')
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self.dump_freq = self.config.get('dump-freq', 0)
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self.fsck_passno = self.config.get('fsck-passno', 2)
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def insert_nodes(self, dg):
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logger.debug("Insert node")
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dg.add_node(self)
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def insert_edges(self, dg):
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logger.debug("Insert edge [%s]" % self)
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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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def create(self, result, rollback):
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logger.debug("fstab create called [%s]" % self.name)
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logger.debug("result [%s]" % result)
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if 'fstab' not in result:
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result['fstab'] = {}
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result['fstab'][self.base] = {
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'name': self.name,
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'base': self.base,
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'options': self.options,
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'dump-freq': self.dump_freq,
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'fsck-passno': self.fsck_passno
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}
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def umount(self, state):
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"""Fstab does not need any umount task."""
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pass
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def cleanup(self, state):
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"""Fstab does not need any cleanup."""
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pass
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def delete(self, state):
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"""Fstab does not need any cleanup."""
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pass
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