Fix specs

lib/docker_client.rb

@@ -248,12 +248,13 @@ class DockerClient
     Rails.logger.error('No further actions are done concerning that.')
   end
 
-  #currently only used to check if containers have been started correctly, or other internal checks
+  # currently only used to check if containers have been started correctly, or other internal checks
+  # also used for the admin shell to any container
   def execute_arbitrary_command(command, &block)
     execute_command(command, nil, block)
   end
 
-  #only used by score
+  # only used by score and execute_arbitrary_command
   def execute_command(command, before_execution_block, output_consuming_block)
     #tries ||= 0
     container_request_time = Time.now

lib/docker_container_pool.rb

@@ -52,9 +52,16 @@ class DockerContainerPool
   def self.quantities
     response = JSON.parse(Faraday.get(config[:location] + "/docker_container_pool/quantities").body)
     response.transform_keys(&:to_i)
+  rescue StandardError => e
+    Raven.extra_context({response: response.inspect})
+    Raven.capture_exception(e)
+    []
   end
 
   def self.dump_info
     JSON.parse(Faraday.get(config[:location] + "/docker_container_pool/dump_info").body)
+  rescue StandardError => e
+    Raven.capture_exception(e)
+    nil
   end
 end