module Chef::Mixin::VersionedAPIFactory
Public Instance Methods
add_versioned_api_class(klass)
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# File lib/chef/mixin/versioned_api.rb, line 38 def add_versioned_api_class(klass) versioned_interfaces << klass end
best_request_version()
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When teeing up an HTTP request, we need to be able to ask which API version we should use. Something in Net::HTTP seems to expect to strip headers, so we return this as a string.
# File lib/chef/mixin/versioned_api.rb, line 68 def best_request_version klass = get_class_for(:max_server_version) klass.minimum_api_version.to_s end
def_versioned_delegator(method)
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# File lib/chef/mixin/versioned_api.rb, line 57 def def_versioned_delegator(method) line_no = __LINE__; str = %{ def self.#{method}(*args, &block) versioned_api_class.__send__(:#{method}, *args, &block) end } module_eval(str, __FILE__, line_no) end
get_class_for(type)
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# File lib/chef/mixin/versioned_api.rb, line 46 def get_class_for(type) versioned_interfaces.select do |klass| version = klass.send(:minimum_api_version) # min and max versions will be nil if we've not made a request to the server yet, # in which case we'll just start with the highest version and see what happens ServerAPIVersions.instance.min_server_version.nil? || (version >= ServerAPIVersions.instance.min_server_version && version <= ServerAPIVersions.instance.send(type)) end .sort { |a, b| a.send(:minimum_api_version) <=> b.send(:minimum_api_version) } .last end
new(*args)
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# File lib/chef/mixin/versioned_api.rb, line 77 def new(*args) object = versioned_api_class.allocate object.send(:initialize, *args) object end
possible_requests()
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# File lib/chef/mixin/versioned_api.rb, line 73 def possible_requests versioned_interfaces.length end
versioned_api_class()
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# File lib/chef/mixin/versioned_api.rb, line 42 def versioned_api_class get_class_for(:max_server_version) end
versioned_interfaces()
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# File lib/chef/mixin/versioned_api.rb, line 34 def versioned_interfaces @versioned_interfaces ||= [] end