update the requirement.txt to ansible 2.x

playbooks/roles/launch_ec2/tasks/main.yml

@@ -30,17 +30,17 @@
     state: 'absent'
     region: "{{ region }}"
     instance_ids: "{{tag_lookup.instance_ids}}"
-  when: terminate_instance == true and tag_lookup.instance_ids|length == 1
+  when: terminate_instance == true and tag_lookup.instances|length == 1
 
 - name: deregister instance from an an elb if it was in one
   local_action:
     module: ec2_elb
     region: "{{ region }}"
-    instance_id: "{{ tag_lookup.instance_ids[0] }}"
+    instance_id: "{{ tag_lookup.instances[0] }}"
     ec2_elbs:
       - "{{ elb }}"
     state: absent
-  when: terminate_instance == true and elb and tag_lookup.instance_ids|length == 1
+  when: terminate_instance == true and elb and tag_lookup.instances|length == 1
 
 - name: Launch ec2 instance
   local_action: