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Contents
require 'itamae'
require 'hashie'
require 'json'
require 'schash'
module Itamae
class Node
ValidationError = Class.new(StandardError)
attr_reader :mash
def initialize(hash, backend)
@mash = Hashie::Mash.new(hash)
@backend = backend
end
def reverse_merge(other_hash)
self.class.new(_reverse_merge(other_hash), @backend)
end
def reverse_merge!(other_hash)
@mash.replace(_reverse_merge(other_hash))
end
def [](key)
if @mash.has_key?(key)
@mash[key]
else
fetch_inventory_value(key)
end
end
def validate!(&block)
errors = Schash::Validator.new(&block).validate(@mash)
unless errors.empty?
errors.each do |error|
Logger.error "'#{error.position.join('->')}' #{error.message}"
end
raise ValidationError
end
end
private
def _reverse_merge(other_hash)
Hashie::Mash.new(other_hash).merge(@mash)
end
def method_missing(method, *args)
if @mash.respond_to?(method)
return @mash.public_send(method, *args)
elsif args.empty? && value = fetch_inventory_value(method)
return value
end
super
end
def respond_to?(method, priv = false)
@mash.respond_to?(method, priv) || super
end
def fetch_inventory_value(key)
value = @backend.host_inventory[key]
if value.is_a?(Hash)
value = Hashie::Mash.new(value)
end
value
rescue NotImplementedError, NameError
nil
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems