create a new edx_sandbox playbook

playbooks/edx_sandbox.yml

@@ -4,10 +4,11 @@
   gather_facts: False
   vars:
     keypair: continuous-integration
-    instance_type: m1.small
+    instance_type: m1.xlarge
     security_group: sandbox
     image: ami-d0f89fb9
     region: us-east-1
+    instance_tags: '{"Name": "edx-sandbox"}'
   roles:
     - launch_instance
 
@@ -17,10 +18,7 @@
   gather_facts: True
   vars:
     migrate_db: True
-  vars_files:
-    - "{{ secure_dir }}/vars/edxapp_ref_users.yml"
-    - "{{ secure_dir }}/vars/edxapp_sandbox.yml"
-
+    mysql5_workaround: True
   roles:
     - common
     - nginx