Class: Hiera::Backend::Http_backend

Inherits:
Object
  • Object
show all
Defined in:
lib/hiera/backend/http_backend.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Http_backend

Returns a new instance of Http_backend.



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# File 'lib/hiera/backend/http_backend.rb', line 5

def initialize
  require 'net/http'
  require 'net/https'
  @config = Config[:http]

  @http = Net::HTTP.new(@config[:host], @config[:port])
  @http.read_timeout = @config[:http_read_timeout] || 10
  @http.open_timeout = @config[:http_connect_timeout] || 10

  @cache = {}
  @cache_timeout = @config[:cache_timeout] || 10
  @cache_clean_interval = @config[:cache_clean_interval] || 3600

  @regex_key_match = nil

  if confine_keys = @config[:confine_to_keys]
    confine_keys.map! { |r| Regexp.new(r) }
    @regex_key_match = Regexp.union(confine_keys)
  end


  if @config[:use_ssl]
    @http.use_ssl = true

    if @config[:ssl_verify] == false
      @http.verify_mode = OpenSSL::SSL::VERIFY_NONE
    else
      @http.verify_mode = OpenSSL::SSL::VERIFY_PEER
    end

    if @config[:ssl_cert]
      store = OpenSSL::X509::Store.new
      store.add_cert(OpenSSL::X509::Certificate.new(File.read(@config[:ssl_ca_cert])))
      @http.cert_store = store

      @http.key = OpenSSL::PKey::RSA.new(File.read(@config[:ssl_cert]))
      @http.cert = OpenSSL::X509::Certificate.new(File.read(@config[:ssl_key]))
    end
  else
    @http.use_ssl = false
  end
end

Instance Method Details

#lookup(key, scope, order_override, resolution_type) ⇒ Object 



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# File 'lib/hiera/backend/http_backend.rb', line 48

def lookup(key, scope, order_override, resolution_type)

  # if confine_to_keys is configured, then only proceed if one of the
  # regexes matches the lookup key
  #
  if @regex_key_match
    return nil unless key[@regex_key_match] == key
  end


  answer = nil

  paths = @config[:paths].map { |p| Backend.parse_string(p, scope, { 'key' => key }) }
  paths.insert(0, order_override) if order_override


  paths.each do |path|

    Hiera.debug("[hiera-http]: Lookup #{key} from #{@config[:host]}:#{@config[:port]}#{path}")

    result = http_get_and_parse_with_cache(path)
    result = result[key] if result.is_a?(Hash)
    next if result.nil?

    parsed_result = Backend.parse_answer(result, scope)

    case resolution_type
    when :array
      answer ||= []
      answer << parsed_result
    when :hash
      answer ||= {}
      answer = Backend.merge_answer(parsed_result, answer)
    else
      answer = parsed_result
      break
    end
  end
  answer
end