Merge pull request #3169 from edx/bbeggs/instance_profile

adding ec2_instance_profile_name to launch instance CD

playbooks/continuous_delivery/launch_instance.yml

@@ -63,11 +63,12 @@
       vpc_subnet_id: "{{ ec2_vpc_subnet_id }}"
       assign_public_ip: "{{ ec2_assign_public_ip }}"
       volumes:
-        - device_name: /dev/xvda
+        - device_name: /dev/sdf
           volume_type: 'gp2'
           volume_size: "{{ ebs_volume_size }}"
       wait: yes
       wait_timeout: "{{ ec2_timeout }}"
+      instance_profile_name: "{{ ec2_instance_profile_name }}"
     register: ec2_instance_register
 
   - name: Wait for SSH to come up