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
23 # Use system CA certificates
24 @@api_client.ssl_config.add_trust_ca('/etc/ssl/certs')
29 api_token = Thread.current[:arvados_api_token]
32 resources_kind = class_kind(resources_kind).pluralize if resources_kind.is_a? Class
33 url = "#{self.arvados_v1_base}/#{resources_kind}#{action}"
35 query = {"api_token" => api_token}
38 if v.is_a? String or v.nil?
45 query[k] = JSON.dump(v)
49 query["_method"] = "GET"
51 if @@profiling_enabled
52 query["_profile"] = "true"
55 header = {"Accept" => "application/json"}
57 profile_checkpoint { "Prepare request #{url} #{query[:uuid]} #{query[:where]}" }
58 msg = @@api_client.post(url,
61 profile_checkpoint 'API transaction'
63 if msg.status_code == 401
64 raise NotLoggedInException.new
70 resp = Oj.load(json, :symbol_keys => true)
72 raise InvalidApiResponseException.new json
74 if not resp.is_a? Hash
75 raise InvalidApiResponseException.new json
77 if msg.status_code != 200
78 errors = resp[:errors]
79 errors = errors.join("\n\n") if errors.is_a? Array
80 raise "#{errors} [API: #{msg.status_code}]"
83 Rails.logger.info "API client: " \
84 "#{resp.delete(:_profile)[:request_time]} request_time"
86 profile_checkpoint 'Parse response'
90 def unpack_api_response(j, kind=nil)
91 if j.is_a? Hash and j[:items].is_a? Array and j[:kind].match(/(_list|List)$/)
92 ary = j[:items].collect { |x| unpack_api_response x, j[:kind] }
93 if j[:items_available]
94 (class << ary; self; end).class_eval { attr_accessor :items_available }
95 ary.items_available = j[:items_available]
98 elsif j.is_a? Hash and (kind || j[:kind])
99 oclass = self.kind_class(kind || j[:kind])
102 childkind = j["#{k.to_s}_kind".to_sym]
104 j[k] = self.unpack_api_response(j[k], childkind)
107 oclass.new.private_reload(j)
116 def arvados_login_url(params={})
117 if Rails.configuration.respond_to? :arvados_login_base
118 uri = Rails.configuration.arvados_login_base
120 uri = self.arvados_v1_base.sub(%r{/arvados/v\d+.*}, '/login')
123 uri += '?' << params.collect { |k,v|
124 CGI.escape(k.to_s) + '=' + CGI.escape(v.to_s)
129 def arvados_logout_url(params={})
130 arvados_login_url(params).sub('/login','/logout')
134 Rails.configuration.arvados_v1_base
138 @arvados_schema ||= api 'schema', ''
142 kind.match(/^arvados\#(.+?)(_list|List)?$/)[1].pluralize.classify.constantize rescue nil
145 def class_kind(resource_class)
146 resource_class.to_s.underscore
150 def profile_checkpoint label=nil
151 return if !@@profiling_enabled
152 label = yield if block_given?
154 if label and @profile_t0
155 Rails.logger.info "API client: #{t - @profile_t0} #{label}"