add gpu support for vray jobs (#102)

Author: johrstrom

app/models/script.rb

@@ -146,7 +146,7 @@ def new_job
   end
 
   def templated_content
-    erb = ERB.new(File.read(script_template))
+    erb = ERB.new(File.read(script_template), nil, '-')
     erb.filename = script_template.to_s
     erb.result(binding)
   end

app/models/v_ray_script.rb

@@ -19,8 +19,11 @@ def script_template
   end
 
   def renderers
-    # let's just the default right now
-    ['0'].freeze
+    [
+      ['V-Ray Renderer (0)', '0'],
+      ['CPU RT engine (1)', '1'],
+      ['GPU RT engine (5)', '5']
+    ]
   end
 
   def job_name

jobs/video_jobs/vray_submit.sh.erb

@@ -1,5 +1,8 @@
 #!/bin/bash
 #SBATCH --nodes=1 --exclusive
+<% if renderer.to_i >= 3 -%>
+#SBATCH --gpus-per-node 2
+<% end -%>
 
 module purge
 module load project/kent