@@client_mtx = Mutex.new
@@api_client = nil
+ @@profiling_enabled = Rails.configuration.profiling_enabled rescue false
def api(resources_kind, action, data=nil)
+ profile_checkpoint
+
@@client_mtx.synchronize do
if not @@api_client
@@api_client = HTTPClient.new
if Rails.configuration.arvados_insecure_https
@@api_client.ssl_config.verify_mode = OpenSSL::SSL::VERIFY_NONE
+ else
+ # Use system CA certificates
+ @@api_client.ssl_config.add_trust_ca('/etc/ssl/certs')
end
end
end
resources_kind = class_kind(resources_kind).pluralize if resources_kind.is_a? Class
url = "#{self.arvados_v1_base}/#{resources_kind}#{action}"
+ # Clean up /arvados/v1/../../discovery/v1 to /discovery/v1
+ url.sub! '/arvados/v1/../../', '/'
+
query = {"api_token" => api_token}
if !data.nil?
data.each do |k,v|
end
else
query["_method"] = "GET"
- end
+ end
+ if @@profiling_enabled
+ query["_profile"] = "true"
+ end
header = {"Accept" => "application/json"}
+ profile_checkpoint { "Prepare request #{url} #{query[:uuid]} #{query[:where]}" }
msg = @@api_client.post(url,
query,
header: header)
+ profile_checkpoint 'API transaction'
if msg.status_code == 401
raise NotLoggedInException.new
if msg.status_code != 200
errors = resp[:errors]
errors = errors.join("\n\n") if errors.is_a? Array
- raise "API error #{msg.status_code}:\n\n#{errors}\n"
+ raise "#{errors} [API: #{msg.status_code}]"
+ end
+ if resp[:_profile]
+ Rails.logger.info "API client: " \
+ "#{resp.delete(:_profile)[:request_time]} request_time"
end
+ profile_checkpoint 'Parse response'
resp
end
+ def self.patch_paging_vars(ary, items_available, offset, limit)
+ if items_available
+ (class << ary; self; end).class_eval { attr_accessor :items_available }
+ ary.items_available = items_available
+ end
+ if offset
+ (class << ary; self; end).class_eval { attr_accessor :offset }
+ ary.offset = offset
+ end
+ if limit
+ (class << ary; self; end).class_eval { attr_accessor :limit }
+ ary.limit = limit
+ end
+ ary
+ end
+
def unpack_api_response(j, kind=nil)
if j.is_a? Hash and j[:items].is_a? Array and j[:kind].match(/(_list|List)$/)
ary = j[:items].collect { |x| unpack_api_response x, j[:kind] }
- if j[:items_available]
- (class << ary; self; end).class_eval { attr_accessor :items_available }
- ary.items_available = j[:items_available]
- end
- ary
+ ArvadosApiClient::patch_paging_vars(ary, j[:items_available], j[:offset], j[:limit])
elsif j.is_a? Hash and (kind || j[:kind])
oclass = self.kind_class(kind || j[:kind])
if oclass
Rails.configuration.arvados_v1_base
end
- def arvados_schema
- @arvados_schema ||= api 'schema', ''
+ def discovery
+ @discovery ||= api '../../discovery/v1/apis/arvados/v1/rest', ''
end
def kind_class(kind)
def class_kind(resource_class)
resource_class.to_s.underscore
end
+
+ protected
+ def profile_checkpoint label=nil
+ return if !@@profiling_enabled
+ label = yield if block_given?
+ t = Time.now
+ if label and @profile_t0
+ Rails.logger.info "API client: #{t - @profile_t0} #{label}"
+ end
+ @profile_t0 = t
+ end
end