add column to store the container ID of the jobs

controller/database.py

@@ -103,6 +103,7 @@ class Job(Base):
     version         = Column(String)
     exec_time       = Column(Integer)
     access_token    = Column(String)
+    container_id    = Column(String(64))
 
 
     webapp = relationship("Webapp")

rails/db/migrate/20171031145600_add_container_id_to_job.rb

+class AddContainerIdToJob < ActiveRecord::Migration[5.0]
+  def change
+    add_column :jobs, :container_id, :string, limit: 64
+  end
+end

rails/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170706162853) do
+ActiveRecord::Schema.define(version: 20171031145600) do
 
   create_table "datasets", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string   "name",       null: false
@@ -50,7 +50,8 @@ ActiveRecord::Schema.define(version: 20170706162853) do
     t.integer  "size_generated_data"
     t.string   "ipaddress"
     t.string   "access_token"
-    t.integer  "state",               default: 0, null: false
+    t.integer  "state",                          default: 0, null: false
+    t.string   "container_id",        limit: 64
   end
 
   create_table "quotas", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|