Class: Hiera::Backend::Simp_compliance_enforcement_backend

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

Instance Method Summary collapse

Constructor Details

#initializeSimp_compliance_enforcement_backend

Returns a new instance of Simp_compliance_enforcement_backend



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# File 'lib/hiera/backend/simp_compliance_enforcement_backend.rb', line 4

def initialize
  #
  # Load the shared compliance_mapper codebase
  #
  filename = File.dirname(File.dirname(File.dirname(__FILE__))) + "/puppetx/simp/compliance_mapper.rb"
  self.instance_eval(File.read(filename), filename)

  # Grab the config from hiera
  @config = Config[:compliance_markup]

end

Instance Method Details

#cache(key, value) ⇒ Object

This cache is explicitly per-catalog



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# File 'lib/hiera/backend/simp_compliance_enforcement_backend.rb', line 66

def cache(key, value)
  @cache[key] = value
end

#cache_has_key(key) ⇒ Object



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# File 'lib/hiera/backend/simp_compliance_enforcement_backend.rb', line 72

def cache_has_key(key)
  @cache.key?(key)
end

#cached_value(key) ⇒ Object



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# File 'lib/hiera/backend/simp_compliance_enforcement_backend.rb', line 69

def cached_value(key)
  @cache[key]
end

#debug(message) ⇒ Object

These functions are helpers for enforcement(), that implement the different caching systems on a v3 vs v5 backend



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# File 'lib/hiera/backend/simp_compliance_enforcement_backend.rb', line 61

def debug(message)
  Hiera.debug(message)
end

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



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# File 'lib/hiera/backend/simp_compliance_enforcement_backend.rb', line 16

def lookup(key, scope, order_override, resolution_type, context)
  # Monkey patch the catalog *object* to add a _compliance_cache accessor
  # We do this to prevent environment poisoning by monkey patching the class,
  # and it still allows us to have a catalog scoped cache.

  methods = scope.catalog.methods
  if (methods.include?(:_compliance_cache))
    @cache = scope.catalog._compliance_cache
  else
    scope.catalog.instance_eval("
     def _compliance_cache=(value)
       @_compliance_cache = value
     end
     def _compliance_cache
       @_compliance_cache
     end")
    scope.catalog._compliance_cache = {}
    @cache = scope.catalog._compliance_cache
  end

  answer = :not_found

  begin
    answer = enforcement(key) do |lookup, default|
      rscope = scope.real
      rscope.call_function('lookup', [lookup, { "default_value" => default }])
    end
  rescue => e
    unless (e.class.to_s == "ArgumentError")
      debug("Threw error #{e.to_s}")
    end
    throw :no_such_key
  end

  if (answer == :not_found)
    throw :no_such_key
  end

  return answer
end