Build script for VIrtualBox lab (`ol` folder) has errors

[jeliker1]

Errors about my_instance_id, instance_name, instance_ansible_host, etc.

TASK [Add host to in-memory host file] ***********************************************************************************************************************
task path: /Users/JEliker/work/github-forks/oracle-devrel/linux-virt-labs/ol/build.yml:205
fatal: [localhost]: FAILED! => {
    "msg": "The task includes an option with an undefined variable. The error was: 'my_instance_id' is undefined. 'my_instance_id' is undefined\n\nThe error appears to be in '/Users/JEliker/work/github-forks/oracle-devrel/linux-virt-labs/ol/build.yml': line 205, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Add host to in-memory host file\n  ^ here\n"
}

TASK [Add host to ini host file] *****************************************************************************************************************************
task path: /Users/JEliker/work/github-forks/oracle-devrel/linux-virt-labs/ol/build.yml:228
fatal: [localhost]: FAILED! => {
    "msg": "The task includes an option with an undefined variable. The error was: 'instance_name' is undefined. 'instance_name' is undefined\n\nThe error appears to be in '/Users/JEliker/work/github-forks/oracle-devrel/linux-virt-labs/ol/build.yml': line 228, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Add host to ini host file\n  ^ here\n"
}

TASK [Add host to ini host file] *****************************************************************************************************************************
task path: /Users/JEliker/work/github-forks/oracle-devrel/linux-virt-labs/ol/build.yml:228
fatal: [localhost]: FAILED! => {
    "msg": "The task includes an option with an undefined variable. The error was: 'instance_ansible_host' is undefined. 'instance_ansible_host' is undefined\n\nThe error appears to be in '/Users/JEliker/work/github-forks/oracle-devrel/linux-virt-labs/ol/build.yml': line 228, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Add host to ini host file\n  ^ here\n"
}