Method: Puppet::Type#autorelation

Defined in:
lib/puppet/type.rb

#autorelation(rel_type, rel_catalog = nil) ⇒ Object

TODO:

needs details - see the param rel_catalog, and type of this param

Adds dependencies to the catalog from added autorelations. See autorequire for how to add an auto-requirement.

Parameters:

  • rel_catalog (Puppet::Resource::Catalog, nil) (defaults to: nil) —

    the catalog to add dependencies to. Defaults to the current catalog (set when the type instance was added to a catalog)

Raises:



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# File 'lib/puppet/type.rb', line 2125

def autorelation(rel_type, rel_catalog = nil)
  rel_catalog ||= catalog
  raise(Puppet::DevError, "You cannot add relationships without a catalog") unless rel_catalog

  reqs = []

  auto_rel = "eachauto#{rel_type}".to_sym

  self.class.send(auto_rel) { |type, block|
    # Ignore any types we can't find, although that would be a bit odd.
    next unless Puppet::Type.type(type)

    # Retrieve the list of names from the block.
    next unless list = self.instance_eval(&block)
    list = [list] unless list.is_a?(Array)

    # Collect the current prereqs
    list.each { |dep|
      next if dep.nil?

      # Support them passing objects directly, to save some effort.
      unless dep.is_a?(Puppet::Type)
        # Skip autorelation that we aren't managing
        unless dep = rel_catalog.resource(type, dep)
          next
        end
      end

      if [:require, :subscribe].include?(rel_type)
        reqs << Puppet::Relationship.new(dep, self)
      else
        reqs << Puppet::Relationship.new(self, dep)
      end
    }
  }

  reqs
end