Class: Hiera::Backend::Jerakia_backend

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

Instance Method Summary collapse

Constructor Details

#initialize(config = nil) ⇒ Jerakia_backend

Returns a new instance of Jerakia_backend.



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

def initialize(config = nil)
  require 'jerakia'
  @config = config || Hiera::Config[:jerakia] || {} 
  @policy = @config[:policy] || 'default'
  @jerakia = ::Jerakia.new(@config)
  Jerakia.log.debug("[hiera] hiera backend loaded with policy #{@policy}")
end

Instance Method Details

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



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# File 'lib/hiera/backend/jerakia_backend.rb', line 13

def lookup(key, scope, order_override, resolution_type)
  lookup_type = :first
  merge_type = :none

  case resolution_type
  when :array
    lookup_type = :cascade
    merge_type = :array
  when :hash
    lookup_type = :cascade
    merge_type = :hash
  end

  namespace = []

  if key.include?('::')
     lookup_key = key.split('::')
     namespace << lookup_key.shift
     key = lookup_key.join('::')
  end

  Jerakia.log.debug("[hiera] backend invoked for key #{key} using namespace #{namespace}")

  ={}
  if scope.is_a?(Hash)
    =scope
  else
     = scope.real.to_hash
  end

  request = Jerakia::Request.new(
    :key         => key,
    :namespace   => namespace,
    :policy      => ["jerakia_policy"] || @policy,
    :lookup_type => lookup_type,
    :merge       => merge_type,
    :metadata    => ,
  )

  answer = @jerakia.lookup(request)
  answer.payload
end