147 lines
4.2 KiB
Python
147 lines
4.2 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import grp
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import pwd
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import six
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from os_apply_config import config_exception as exc
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class OacFile(object):
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DEFAULTS = {
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'allow_empty': True,
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'mode': None,
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'owner': None,
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'group': None,
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}
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def __init__(self, body, **kwargs):
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super(OacFile, self).__init__()
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self.body = body
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for k, v in six.iteritems(self.DEFAULTS):
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setattr(self, '_' + k, v)
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for k, v in six.iteritems(kwargs):
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if not hasattr(self, k):
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raise exc.ConfigException(
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"unrecognised file control key '%s'" % (k))
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setattr(self, k, v)
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def __eq__(self, other):
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if type(other) is type(self):
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return self.__dict__ == other.__dict__
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return False
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def __ne__(self, other):
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return not self.__eq__(other)
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def __repr__(self):
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a = ["OacFile(%s" % repr(self.body)]
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for key, default in six.iteritems(self.DEFAULTS):
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value = getattr(self, key)
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if value != default:
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a.append("%s=%s" % (key, repr(value)))
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return ", ".join(a) + ")"
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def set(self, key, value):
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"""Allows setting attrs as an expression rather than a statement."""
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setattr(self, key, value)
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return self
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@property
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def allow_empty(self):
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"""Returns allow_empty.
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If True and body='', no file will be created and any existing
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file will be deleted.
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"""
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return self._allow_empty
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@allow_empty.setter
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def allow_empty(self, value):
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if type(value) is not bool:
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raise exc.ConfigException(
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"allow_empty requires Boolean, got: '%s'" % value)
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self._allow_empty = value
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return self
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@property
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def mode(self):
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"""The permissions to set on the file, EG 0755."""
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return self._mode
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@mode.setter
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def mode(self, v):
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"""Pass in the mode to set on the file.
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EG 0644. Must be between 0 and 0777, the sticky bit is not supported.
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"""
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if type(v) is not int:
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raise exc.ConfigException("mode '%s' is not numeric" % v)
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if not 0 <= v <= 0o777:
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raise exc.ConfigException("mode '%#o' out of range" % v)
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self._mode = v
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@property
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def owner(self):
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"""The UID to set on the file, EG 'rabbitmq' or '501'."""
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return self._owner
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@owner.setter
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def owner(self, v):
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"""Pass in the UID to set on the file.
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EG 'rabbitmq' or 501.
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"""
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try:
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if type(v) is int:
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user = pwd.getpwuid(v)
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elif type(v) is str:
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user = pwd.getpwnam(v)
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else:
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raise exc.ConfigException(
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"owner '%s' must be a string or int" % v)
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except KeyError:
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raise exc.ConfigException(
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"owner '%s' not found in passwd database" % v)
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self._owner = user[2]
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@property
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def group(self):
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"""The GID to set on the file, EG 'rabbitmq' or '501'."""
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return self._group
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@group.setter
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def group(self, v):
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"""Pass in the GID to set on the file.
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EG 'rabbitmq' or 501.
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"""
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try:
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if type(v) is int:
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group = grp.getgrgid(v)
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elif type(v) is str:
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group = grp.getgrnam(v)
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else:
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raise exc.ConfigException(
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"group '%s' must be a string or int" % v)
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except KeyError:
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raise exc.ConfigException(
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"group '%s' not found in group database" % v)
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self._group = group[2]
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