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Puppet::Parser::Functions::newfunction(:create_resources, :doc => <<-'ENDHEREDOC') do |args|
Converts a hash into a set of resources and adds them to the catalog.
This function takes two arguments: a resource type, and a hash describing a set of resources. The hash should be in the form `{title => {parameters} }`:
# A hash of user resources:
$myusers = {
'nick' => { uid => '1330',
group => allstaff,
groups => ['developers', 'operations', 'release'], }
'dan' => { uid => '1308',
group => allstaff,
groups => ['developers', 'prosvc', 'release'], }
}
create_resource(user, $myusers)
This function can be used to create defined resources and classes, as well as native resources.
ENDHEREDOC
raise ArgumentError, ("create_resources(): wrong number of arguments (#{args.length}; must be 2)") if args.length != 2
#raise ArgumentError, 'requires resource type and param hash' if args.size < 2
# figure out what kind of resource we are
type_of_resource = nil
type_name = args[0].downcase
if type_name == 'class'
type_of_resource = :class
else
if resource = Puppet::Type.type(type_name.to_sym)
type_of_resource = :type
elsif resource = find_definition(type_name.downcase)
type_of_resource = :define
else
raise ArgumentError, "could not create resource of unknown type #{type_name}"
end
end
# iterate through the resources to create
args[1].each do |title, params|
raise ArgumentError, 'params should not contain title' if(params['title'])
case type_of_resource
# JJM The only difference between a type and a define is the call to instantiate_resource
# for a defined type.
when :type, :define
p_resource = Puppet::Parser::Resource.new(type_name, title, :scope => self, :source => resource)
params.merge(:name => title).each do |k,v|
p_resource.set_parameter(k,v)
end
if type_of_resource == :define then
resource.instantiate_resource(self, p_resource)
end
compiler.add_resource(self, p_resource)
when :class
klass = find_hostclass(title)
raise ArgumentError, "could not find hostclass #{title}" unless klass
klass.ensure_in_catalog(self, params)
compiler.catalog.add_class([title])
end
end
end
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