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Size: 1.4 KB
Versions: 10
Compression:
Stored size: 1.4 KB
Contents
# frozen_string_literal: true
module Facter
class OsHierarchy
def initialize
@log = Log.new(self)
json_file = Util::FileHelper.safe_read(File.join(ROOT_DIR, 'os_hierarchy.json'))
begin
@json_os_hierarchy = JSON.parse(json_file)
rescue JSON::ParserError => _e
@log.error('Could not parse os_hierarchy json')
end
end
def construct_hierarchy(searched_os)
return [] if searched_os.nil?
searched_os = searched_os.to_s.capitalize
if @json_os_hierarchy.nil?
@log.debug("There is no os_hierarchy, will fall back to: #{searched_os}")
return [searched_os]
end
@searched_path = []
search(@json_os_hierarchy, searched_os, [])
@searched_path.map { |os_name| os_name.to_s.capitalize }
end
private
def search(json_data, searched_element, path)
# we hit a dead end, the os was not found on this branch
# and we cannot go deeper
return unless json_data
json_data.each do |tree_node|
# we found the searched OS, so save the path from the tree
@searched_path = path.dup << tree_node if tree_node == searched_element
next unless tree_node.is_a?(Hash)
tree_node.each do |k, v|
return @searched_path = path.dup << k if k == searched_element
search(v, searched_element, path << k)
path.pop
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems