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#
# Copyright:: Copyright 2011-2020, 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.
#
require_relative "../resource"
class Chef
class Resource
class OhaiHint < Chef::Resource
resource_name :ohai_hint
provides(:ohai_hint) { true }
description "Use the ohai_hint resource to aid in configuration detection by passing hint data to Ohai."
introduced "14.0"
property :hint_name, String,
description: "An optional property to set the hint name if it differs from the resource block's name.",
name_property: true
property :content, Hash,
description: "Values to include in the hint file."
# override compile_time property to default to true
property :compile_time, [TrueClass, FalseClass],
description: "Determines whether or not the resource is executed during the compile time phase.",
default: true, desired_state: false
action :create do
description "Create an Ohai hint file."
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
description "Delete an Ohai hint file."
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
end
end
end
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