Class: Hiera::Backend::Eyaml_backend
- Inherits:
-
Object
- Object
- Hiera::Backend::Eyaml_backend
- Defined in:
- lib/hiera/backend/eyaml_backend.rb
Instance Method Summary collapse
- #deblock(block_string) ⇒ Object
- #debug(msg) ⇒ Object
- #decrypt(key, value, scope) ⇒ Object
- #encrypted?(value) ⇒ Boolean
-
#initialize ⇒ Eyaml_backend
constructor
A new instance of Eyaml_backend.
- #lookup(key, scope, order_override, resolution_type) ⇒ Object
- #parse_answer(key, data, scope, extra_data = {}) ⇒ Object
- #warn(msg) ⇒ Object
Constructor Details
#initialize ⇒ Eyaml_backend
Returns a new instance of Eyaml_backend.
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# File 'lib/hiera/backend/eyaml_backend.rb', line 10 def initialize end |
Instance Method Details
#deblock(block_string) ⇒ Object
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# File 'lib/hiera/backend/eyaml_backend.rb', line 80 def deblock block_string block_string.gsub(/[ \n]/, '') end |
#debug(msg) ⇒ Object
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# File 'lib/hiera/backend/eyaml_backend.rb', line 115 def debug(msg) Hiera.debug("[eyaml_backend]: #{msg}") end |
#decrypt(key, value, scope) ⇒ Object
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# File 'lib/hiera/backend/eyaml_backend.rb', line 84 def decrypt(key, value, scope) if encrypted? value debug "Attempting to decrypt: #{key}" Config[:eyaml].each do |config_key, config_value| config_value = Backend.parse_string(Config[:eyaml][config_key], scope) debug "Setting: #{config_key} = #{config_value}" Eyaml::Options[config_key] = config_value end Eyaml::Options[:source] = "hiera" plaintext = value.gsub( /ENC\[([^\]]*)\]/ ) { |match| Eyaml::Options[:input_data] = deblock match.to_s Eyaml::Options[:output] = "raw" Eyaml::Actions::DecryptAction.execute } plaintext.chomp else value end end |
#encrypted?(value) ⇒ Boolean
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# File 'lib/hiera/backend/eyaml_backend.rb', line 111 def encrypted?(value) if value.match(/.*ENC\[.*?\]/) then true else false end end |
#lookup(key, scope, order_override, resolution_type) ⇒ Object
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# File 'lib/hiera/backend/eyaml_backend.rb', line 13 def lookup(key, scope, order_override, resolution_type) debug("Lookup called for key #{key}") answer = nil Backend.datasources(scope, order_override) do |source| eyaml_file = Backend.datafile(:eyaml, scope, source, "eyaml") || next debug("Processing datasource: #{eyaml_file}") data = YAML.load(File.read( eyaml_file )) next if data.nil? or data.empty? debug ("Data contains valid YAML") next unless data.include?(key) debug ("Key #{key} found in YAML document") parsed_answer = parse_answer(key, data[key], scope) begin case resolution_type when :array debug("Appending answer array") raise Exception, "Hiera type mismatch: expected Array and got #{parsed_answer.class}" unless parsed_answer.kind_of? Array or parsed_answer.kind_of? String answer ||= [] answer << parsed_answer when :hash debug("Merging answer hash") raise Exception, "Hiera type mismatch: expected Hash and got #{parsed_answer.class}" unless parsed_answer.kind_of? Hash answer ||= {} answer = parsed_answer.merge answer else debug("Assigning answer variable") answer = parsed_answer break end rescue NoMethodError raise Exception, "Resolution type is #{resolution_type} but parsed_answer is a #{parsed_answer.class}" end end answer end |
#parse_answer(key, data, scope, extra_data = {}) ⇒ Object
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# File 'lib/hiera/backend/eyaml_backend.rb', line 58 def parse_answer(key, data, scope, extra_data={}) if data.is_a?(Numeric) or data.is_a?(TrueClass) or data.is_a?(FalseClass) # Can't be encrypted data elsif data.is_a?(String) parsed_string = Backend.parse_string(data, scope) decrypt(key, parsed_string, scope) elsif data.is_a?(Hash) answer = {} data.each_pair do |key, val| answer[key] = parse_answer(key, val, scope, extra_data) end answer elsif data.is_a?(Array) answer = [] data.each do |item| answer << parse_answer(key, item, scope, extra_data) end answer end end |
#warn(msg) ⇒ Object
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# File 'lib/hiera/backend/eyaml_backend.rb', line 119 def warn(msg) Hiera.warn("[eyaml_backend]: #{msg}") end |