+
+ Collection.where(uuid: @object.uuid).each do |u|
+ @prov_svg = ProvenanceHelper::create_provenance_graph u.provenance, "provenance_svg", {:direction => :top_down, :combine_jobs => :script_only} rescue nil
+ @used_by_svg = ProvenanceHelper::create_provenance_graph u.used_by, "used_by_svg", {:direction => :top_down, :combine_jobs => :script_only, :pdata_only => true} rescue nil
+ end
+ end
+
+ protected
+ class FileStreamer
+ def initialize(opts={})
+ @opts = opts
+ end
+ def each
+ return unless @opts[:uuid] && @opts[:file]
+ env = Hash[ENV].
+ merge({
+ 'ARVADOS_API_HOST' =>
+ $arvados_api_client.arvados_v1_base.
+ sub(/\/arvados\/v1/, '').
+ sub(/^https?:\/\//, ''),
+ 'ARVADOS_API_TOKEN' =>
+ @opts[:arvados_api_token],
+ 'ARVADOS_API_HOST_INSECURE' =>
+ Rails.configuration.arvados_insecure_https ? 'true' : 'false'
+ })
+ IO.popen([env, 'arv-get', "#{@opts[:uuid]}/#{@opts[:file]}"],
+ 'rb') do |io|
+ while buf = io.read(2**20)
+ yield buf
+ end
+ end
+ Rails.logger.warn("#{@opts[:uuid]}/#{@opts[:file]}: #{$?}") if $? != 0
+ end