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#
# Copyright:: Copyright 2011-2018, 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
class Resource
# Use the ohai_hint resource to pass hint data to ohai.
# @since 14.0.0
class OhaiHint < Chef::Resource
resource_name :ohai_hint
provides :ohai_hint
property :hint_name, String, name_property: true
property :content, Hash
property :compile_time, [true, false], default: true
action :create do
directory ::Ohai::Config.ohai.hints_path.first do
action :create
recursive true
end
file ohai_hint_file_path(new_resource.hint_name) do
action :create
content format_content(new_resource.content)
end
end
action :delete do
file ohai_hint_file_path(new_resource.hint_name) do
action :delete
notifies :reload, ohai[reload ohai post hint removal]
end
ohai "reload ohai post hint removal" do
action :nothing
end
end
action_class do
# given a hint filename return the platform specific hint file path
# @param filename [String] the name of the hint file
# @return [String] absolute path to the file
def ohai_hint_file_path(filename)
path = ::File.join(::Ohai::Config.ohai.hints_path.first, filename)
path << '.json' unless path.end_with?('.json')
path
end
# format content hash as JSON
# @param content [Hash] the content of the hint file
# @return [JSON] json representation of the content of an empty string if content was nil
def format_content(content)
return '' if content.nil? || content.empty?
JSON.pretty_generate(content)
end
end
# this resource forces itself to run at compile_time
def after_created
return unless compile_time
Array(action).each do |action|
run_action(action)
end
end
end
end
end
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