5 class NotLoggedInException < StandardError
7 class InvalidApiResponseException < StandardError
10 @@client_mtx = Mutex.new
12 @@profiling_enabled = Rails.configuration.profiling_enabled rescue false
14 def api(resources_kind, action, data=nil)
17 @@client_mtx.synchronize do
19 @@api_client = HTTPClient.new
20 if Rails.configuration.arvados_insecure_https
21 @@api_client.ssl_config.verify_mode = OpenSSL::SSL::VERIFY_NONE
26 api_token = Thread.current[:arvados_api_token]
29 resources_kind = class_kind(resources_kind).pluralize if resources_kind.is_a? Class
30 url = "#{self.arvados_v1_base}/#{resources_kind}#{action}"
32 query = {"api_token" => api_token}
35 if v.is_a? String or v.nil?
42 query[k] = JSON.dump(v)
46 query["_method"] = "GET"
48 if @@profiling_enabled
49 query["_profile"] = "true"
52 header = {"Accept" => "application/json"}
54 profile_checkpoint { "Prepare request #{url}" }
55 msg = @@api_client.post(url,
58 profile_checkpoint 'API transaction'
60 if msg.status_code == 401
61 raise NotLoggedInException.new
67 resp = Oj.load(json, :symbol_keys => true)
69 raise InvalidApiResponseException.new json
71 if not resp.is_a? Hash
72 raise InvalidApiResponseException.new json
74 if msg.status_code != 200
75 errors = resp[:errors]
76 errors = errors.join("\n\n") if errors.is_a? Array
77 raise "API error #{msg.status_code}:\n\n#{errors}\n"
80 Rails.logger.info "API client: " \
81 "#{resp.delete(:_profile)[:request_time]} request_time"
83 profile_checkpoint 'Parse response'
87 def unpack_api_response(j, kind=nil)
88 if j.is_a? Hash and j[:items].is_a? Array and j[:kind].match(/(_list|List)$/)
89 ary = j[:items].collect { |x| unpack_api_response x, j[:kind] }
90 if j[:items_available]
91 (class << ary; self; end).class_eval { attr_accessor :items_available }
92 ary.items_available = j[:items_available]
95 elsif j.is_a? Hash and (kind || j[:kind])
96 oclass = self.kind_class(kind || j[:kind])
99 childkind = j["#{k.to_s}_kind".to_sym]
101 j[k] = self.unpack_api_response(j[k], childkind)
104 oclass.new.private_reload(j)
113 def arvados_login_url(params={})
114 if Rails.configuration.respond_to? :arvados_login_base
115 uri = Rails.configuration.arvados_login_base
117 uri = self.arvados_v1_base.sub(%r{/arvados/v\d+.*}, '/login')
120 uri += '?' << params.collect { |k,v|
121 CGI.escape(k.to_s) + '=' + CGI.escape(v.to_s)
126 def arvados_logout_url(params={})
127 arvados_login_url(params).sub('/login','/logout')
131 Rails.configuration.arvados_v1_base
135 @arvados_schema ||= api 'schema', ''
139 kind.match(/^arvados\#(.+?)(_list|List)?$/)[1].pluralize.classify.constantize rescue nil
142 def class_kind(resource_class)
143 resource_class.to_s.underscore
147 def profile_checkpoint label=nil
148 label = yield if block_given?
150 if label and @profile_t0
151 Rails.logger.info "API client: #{t - @profile_t0} #{label}"