Contents

#
# Author:: Serdar Sutay (<[e-mail]>)
# Copyright:: Copyright (c) 2013-2016 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.
#

require "ffi_yajl"

module Ohai
  module Hints
    def self.refresh_hints
      @hints = {}
    end

    def self.parse_hint_file(filename)
      json_parser = FFI_Yajl::Parser.new
      hash = json_parser.parse(File.read(filename))
      hash || {} # hint
      # should exist because the file did, even if it didn't
      # contain anything
    rescue FFI_Yajl::ParseError => e
      Ohai::Log.error("Could not parse hint file at #{filename}: #{e.message}")
    end

    def self.hint?(name)
      @hints ||= {}
      return @hints[name] if @hints[name]
      Ohai.config[:hints_path].each do |path|
        filename = File.join(path, "#{name}.json")
        next unless File.exist?(filename)
        Ohai::Log.trace("Found hint #{name}.json at #{filename}")
        @hints[name] = parse_hint_file(filename)
      end

      Ohai::Log.trace("Did not find hint #{name}.json in the hint path(s): #{Ohai.config[:hints_path].join(', ')} ") unless @hints.key?(name)
      @hints[name]
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
ohai-14.1.3	lib/ohai/hints.rb
ohai-14.1.2	lib/ohai/hints.rb
ohai-14.1.0	lib/ohai/hints.rb
ohai-14.0.29	lib/ohai/hints.rb
ohai-14.0.28	lib/ohai/hints.rb