[glue script][ansible] - ansible cleanup fails due to undefined 'files_to_delete' variable

[lpalovsky]

http://openqaworker15.qa.suse.cz/tests/50653#step/Cleanup%20resources/8

ERROR:QESAPDEP:STDOUT:          TASK [Append delete list] ******************************************************
ERROR:QESAPDEP:STDOUT:          task path: /root/qe-sap-deployment/ansible/playbooks/deregister.yaml:34
ERROR:QESAPDEP:STDOUT:          fatal: [vmhana01]: FAILED! => {
ERROR:QESAPDEP:STDOUT:              "msg": "The task includes an option with an undefined variable. The error was: 'Files_to_delete' is undefined\n\nThe error appears to be in '/root/qe-sap-deployment/ansible/playbooks/deregister.yaml': line 34, column 7, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n    - name: Append delete list\n      ^ here\n"
ERROR:QESAPDEP:STDOUT:          }
ERROR:QESAPDEP:STDOUT:          fatal: [vmhana02]: FAILED! => {
ERROR:QESAPDEP:STDOUT:              "msg": "The task includes an option with an undefined variable. The error was: 'Files_to_delete' is undefined\n\nThe error appears to be in '/root/qe-sap-deployment/ansible/playbooks/deregister.yaml': line 34, column 7, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n    - name: Append delete list\n      ^ here\n"
ERROR:QESAPDEP:STDOUT:          }
ERROR:QESAPDEP:STDOUT:          skipping: [vmiscsi01] => {
ERROR:QESAPDEP:STDOUT:              "changed": false,
ERROR:QESAPDEP:STDOUT:              "skip_reason": "Conditional result was False"
ERROR:QESAPDEP:STDOUT:          }

[mpagot]

Full log in http://openqaworker15.qa.suse.cz/tests/50653/logfile?filename=serial_terminal.txt from line

# /root/qe-sap-deployment/scripts/qesap/qesap.py --verbose -c /root/qe-sap-deployment/scripts/qesap/hanasr_azure.yaml -b /root/qe-sap-deployment ansible -d |& tee -a /tmp/qesap_exec_ansible.log.txt; echo t4TVI-$?-