+++ /dev/null
-module Aviator
-
- class Service
-
- class AccessDetailsNotDefinedError < StandardError
- def initialize
- super ":access_details is not defined."
- end
- end
-
- class ProviderNotDefinedError < StandardError
- def initialize
- super ":provider is not defined."
- end
- end
-
- class ServiceNameNotDefinedError < StandardError
- def initialize
- super ":service is not defined."
- end
- end
-
- class SessionDataNotProvidedError < StandardError
- def initialize
- super "default_session_data is not initialized and no session data was "\
- "provided in the method call."
- end
- end
-
-
- class UnknownRequestError < StandardError
- def initialize(request_name)
- super "Unknown request #{ request_name }."
- end
- end
-
-
- class MissingServiceEndpointError < StandardError
- def initialize(service_name, request_name)
- request_name = request_name.to_s.split('::').last.underscore
- super "The session's service catalog does not have an entry for the #{ service_name } "\
- "service. Therefore, I don't know to which base URL the request should be sent. "\
- "This may be because you are using a default or unscoped token. If this is not your "\
- "intention, please authenticate with a scoped token. If using a default token is your "\
- "intention, make sure to provide a base url when you call the request. For :example => \n\n"\
- "session.#{ service_name }_service.request :#{ request_name }, :base_url => 'http://myenv.com:9999/v2.0' do |params|\n"\
- " params[:example1] = 'example1'\n"\
- " params[:example2] = 'example2'\n"\
- "end\n\n"
- end
- end
-
- attr_accessor :default_session_data
-
- attr_reader :service,
- :provider
-
-
- def initialize(opts={})
- @provider = opts[:provider] || (raise ProviderNotDefinedError.new)
- @service = opts[:service] || (raise ServiceNameNotDefinedError.new)
- @log_file = opts[:log_file]
-
- @default_session_data = opts[:default_session_data]
-
- load_requests
- end
-
-
- def request(request_name, options={}, ¶ms)
- session_data = options[:session_data] || default_session_data
-
- raise SessionDataNotProvidedError.new unless session_data
-
- [:base_url].each do |k|
- session_data[k] = options[k] if options[k]
- end
-
- request_class = find_request(request_name, session_data, options[:endpoint_type])
-
- raise UnknownRequestError.new(request_name) unless request_class
-
- request = request_class.new(session_data, ¶ms)
-
- response = http_connection.send(request.http_method) do |r|
- r.url request.url
- r.headers.merge!(request.headers) if request.headers?
- r.query = request.querystring if request.querystring?
- r.body = JSON.generate(request.body) if request.body?
- end
-
- Aviator::Response.send(:new, response, request)
- end
-
-
- def request_classes
- @request_classes
- end
-
-
- private
-
-
- def http_connection
- @http_connection ||= Faraday.new do |conn|
- conn.use Logger.configure(log_file) if log_file
- conn.adapter Faraday.default_adapter
-
- conn.headers['Content-Type'] = 'application/json'
- end
- end
-
-
- # Candidate for extraction to aviator/openstack
- def find_request(name, session_data, endpoint_type=nil)
- endpoint_types = if endpoint_type
- [endpoint_type.to_s.camelize]
- else
- ['Public', 'Admin']
- end
-
- namespace = Aviator.const_get(provider.camelize) \
- .const_get(service.camelize)
-
- version = infer_version(session_data, name).to_s.camelize
-
- return nil unless version && namespace.const_defined?(version)
-
- namespace = namespace.const_get(version, name)
-
- endpoint_types.each do |endpoint_type|
- name = name.to_s.camelize
-
- next unless namespace.const_defined?(endpoint_type)
- next unless namespace.const_get(endpoint_type).const_defined?(name)
-
- return namespace.const_get(endpoint_type).const_get(name)
- end
-
- nil
- end
-
-
- # Candidate for extraction to aviator/openstack
- def infer_version(session_data, request_name='sample_request')
- if session_data.has_key?(:auth_service) && session_data[:auth_service][:api_version]
- session_data[:auth_service][:api_version].to_sym
-
- elsif session_data.has_key?(:auth_service) && session_data[:auth_service][:host_uri]
- m = session_data[:auth_service][:host_uri].match(/(v\d+)\.?\d*/)
- return m[1].to_sym unless m.nil?
-
- elsif session_data.has_key? :base_url
- m = session_data[:base_url].match(/(v\d+)\.?\d*/)
- return m[1].to_sym unless m.nil?
-
- elsif session_data.has_key? :access
- service_spec = session_data[:access][:serviceCatalog].find{|s| s[:type] == service }
- raise MissingServiceEndpointError.new(service.to_s, request_name) unless service_spec
- version = service_spec[:endpoints][0][:publicURL].match(/(v\d+)\.?\d*/)
- version ? version[1].to_sym : :v1
- end
- end
-
-
- def load_requests
- # :TODO => This should be determined by a provider-specific module.
- # e.g. Aviator::OpenStack::requests_base_dir
- request_file_paths = Dir.glob(Pathname.new(__FILE__).join(
- '..',
- '..',
- provider.to_s,
- service.to_s,
- '**',
- '*.rb'
- ).expand_path
- )
-
- request_file_paths.each{ |path| require path }
-
- constant_parts = request_file_paths \
- .map{|rf| rf.to_s.match(/#{provider}\/#{service}\/([\w\/]+)\.rb$/) } \
- .map{|rf| rf[1].split('/').map{|c| c.camelize }.join('::') }
-
- @request_classes = constant_parts.map do |cp|
- "Aviator::#{provider.camelize}::#{service.camelize}::#{cp}".constantize
- end
- end
-
-
- def log_file
- @log_file
- end
-
- end
-
-end
projects / dsa-puppet.git / blobdiff