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#
# Author:: Thom May (<thom@chef.io>)
# Copyright:: Copyright 2012-2016, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# 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.
#
class Chef
module ChefFS
module FileSystem
class FileSystemError < StandardError
# @param entry The entry which had an issue.
# @param cause The wrapped exception (if any).
# @param reason A string describing why this exception happened.
def initialize(entry, cause = nil, reason = nil)
super(reason)
@entry = entry
@cause = cause
@reason = reason
end
# The entry which had an issue.
attr_reader :entry
# The wrapped exception (if any).
attr_reader :cause
# A string describing why this exception happened.
attr_reader :reason
end
class MustDeleteRecursivelyError < FileSystemError; end
class NotFoundError < FileSystemError; end
class OperationFailedError < FileSystemError
def initialize(operation, entry, cause = nil, reason = nil)
super(entry, cause, reason)
@operation = operation
end
def message
if cause && cause.is_a?(Net::HTTPExceptions) && cause.response.code == "400"
"#{super} cause: #{cause.response.body}"
else
super
end
end
attr_reader :operation
end
class OperationNotAllowedError < FileSystemError
def initialize(operation, entry, cause = nil, reason = nil)
reason ||=
case operation
when :delete
"cannot be deleted"
when :write
"cannot be updated"
when :create_child
"cannot have a child created under it"
when :read
"cannot be read"
end
super(entry, cause, reason)
@operation = operation
end
attr_reader :operation
attr_reader :entry
end
class AlreadyExistsError < OperationFailedError; end
class CookbookFrozenError < AlreadyExistsError; end
class RubyFileError < OperationNotAllowedError
def reason
result = super
result + " (can't safely update ruby files)"
end
end
class DefaultEnvironmentCannotBeModifiedError < OperationNotAllowedError
def reason
result = super
result + " (default environment cannot be modified)"
end
end
end
end
end
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