vmware_guest:
#    cluster: "{{ cluster }}"
#    annotation: "{{ annotation }}"
    hostname: "{{ hostname }}" # ok, logs in
    username: "{{ username }}" # ok, logs in
    password: "{{ password }}" # ok, logs in
    validate_certs: "{{ validate_certs }}" # ok, complains otherwise
    esxi_hostname: "{{ esxi_hostname }}" # ok, complains if fake IP
    datacenter: "{{ datacenter }}" # ok, complains if wrong name
    folder: "{{ folder }}" # ok - complains if fake path
    name: "{{ name }}" # ok? - just a string for new vm
    state: "{{ state }}" # ok, doc SAYS use poweredon
    guest_id: "{{ guest_id }}" # *** best candidate for wrongness ***
                               # *** but using value straight from docs
    template: "{{ template }}" # ok, complains if fake template name
# tried commenting out everything below, problem was still reported
# so it's probably above
#    disk:
#      - size_gb: 30
#        type: thin
#        datastore: "{{ datastore }}"
#    networks:
#      - name: "{{ network }}"
#        ip: 172.16.1.175
#        netmask: 255.255.255.0
#    hardware:
#      memory_mb: "{{ vm_memory | default(1024) }}"
#      num_cpus: 2