Class: Puppet::Parser::Compiler

Inherits:
Object
  • Object
show all
Defined in:
lib/rspec-hiera-puppet/puppet.rb

Instance Method Summary collapse

Instance Method Details

#compile ⇒ Object 



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# File 'lib/rspec-hiera-puppet/puppet.rb', line 6

def compile
  spec = Thread.current[:spec]

  if spec
    register_function_hiera(spec)
    register_function_hiera_array(spec)
    register_function_hiera_hash(spec)
    register_function_hiera_include(spec)
  end

  compile_unadorned
end

#compile_unadorned ⇒ Object 



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# File 'lib/rspec-hiera-puppet/puppet.rb', line 4

alias_method :compile_unadorned, :compile

#register_function_hiera(spec) ⇒ Object 



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# File 'lib/rspec-hiera-puppet/puppet.rb', line 19

def register_function_hiera(spec)
  Puppet::Parser::Functions.newfunction(:hiera, :type => :rvalue) do |*args|
    # Functions called from puppet manifests that look like this:
    #   lookup("foo", "bar")
    # internally in puppet are invoked:  func(["foo", "bar"])
    #
    # where as calling from templates should work like this:
    #   scope.function_lookup("foo", "bar")
    #
    #  Therefore, declare this function with args '*args' to accept any number
    #  of arguments and deal with puppet's special calling mechanism now:
    if args[0].is_a?(Array)
      args = args[0]
    end

    key = args[0]
    default = args[1]
    override = args[2]

    require 'hiera'
    require 'hiera/scope'

    hiera = Hiera.new(:config => spec.hiera_config.merge(:logger => 'puppet'))

    if self.respond_to?("[]")
      hiera_scope = self
    else
      hiera_scope = Hiera::Scope.new(self)
    end

    answer = hiera.lookup(key, default, hiera_scope, override, :priority)

    raise(Puppet::ParseError, "Could not find data item #{key} in any Hiera data file and no default supplied") if answer.nil?

    return answer
  end
end

#register_function_hiera_array(spec) ⇒ Object 



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# File 'lib/rspec-hiera-puppet/puppet.rb', line 57

def register_function_hiera_array(spec)
  Puppet::Parser::Functions.newfunction(:hiera_array, :type => :rvalue) do |*args|
    if args[0].is_a?(Array)
      args = args[0]
    end

    key = args[0]
    default = args[1]
    override = args[2]

    require 'hiera'
    require 'hiera/scope'

    hiera = Hiera.new(:config => spec.hiera_config.merge(:logger => 'puppet'))

    if self.respond_to?("[]")
      hiera_scope = self
    else
      hiera_scope = Hiera::Scope.new(self)
    end

    answer = hiera.lookup(key, default, hiera_scope, override, :array)

    raise(Puppet::ParseError, "Could not find data item #{key} in any Hiera data file and no default supplied") if answer.empty?

    answer
  end
end

#register_function_hiera_hash(spec) ⇒ Object 



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# File 'lib/rspec-hiera-puppet/puppet.rb', line 86

def register_function_hiera_hash(spec)
  Puppet::Parser::Functions.newfunction(:hiera_hash, :type => :rvalue) do |*args|
    if args[0].is_a?(Array)
      args = args[0]
    end

    raise(Puppet::ParseError, "Please supply a parameter to perform a Hiera lookup") if args.empty?

    key = args[0]
    default = args[1]
    override = args[2]

    require 'hiera'
    require 'hiera/scope'

    hiera = Hiera.new(:config => spec.hiera_config.merge(:logger => 'puppet'))

    if self.respond_to?("{}")
      hiera_scope = self
    else
      hiera_scope = Hiera::Scope.new(self)
    end

    answer = hiera.lookup(key, default, hiera_scope, override, :hash)

    raise(Puppet::ParseError, "Could not find data item #{key} in any Hiera data file and no default supplied") if answer.empty?

    answer
  end
end

#register_function_hiera_include(spec) ⇒ Object 



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# File 'lib/rspec-hiera-puppet/puppet.rb', line 117

def register_function_hiera_include(spec)
  Puppet::Parser::Functions.newfunction(:hiera_include) do |*args|
    if args[0].is_a?(Array)
      args = args[0]
    end

    key = args[0]
    default = args[1]
    override = args[2]

    require 'hiera'
    require 'hiera/scope'

    hiera = Hiera.new(:config => spec.hiera_config.merge(:logger => 'puppet'))

    if self.respond_to?("[]")
      hiera_scope = self
    else
      hiera_scope = Hiera::Scope.new(self)
    end

    answer = hiera.lookup(key, default, hiera_scope, override, :array)

    raise(Puppet::ParseError, "Could not find data item #{key} in any Hiera data file and no default supplied") if answer.empty?

    method = Puppet::Parser::Functions.function(:include)
    send(method, answer)
  end
end