Using the Shell-Local provisioner for Ansible against Windows with Packer

ansible-shell-local-windows.json

{
  "type": "powershell",
  "inline": [
    "switch -Wildcard ($env:PACKER_BUILDER_TYPE) {",
    "  \"amazon*\" { $publicipv4 = Invoke-RestMethod -Method GET -Uri http://169.254.169.254/latest/meta-data/public-ipv4 }",
    "  \"azure*\" { $publicipv4 = Invoke-RestMethod -Method GET -Uri \"http://169.254.169.254/metadata/instance/network/interface/0/ipv4/ipAddress/0/publicIpAddress?api-version=2017-12-01&format=text\" -Headers @{\"Metadata\" = \"true\"} }",
    "  \"googlecompute\" { $publicipv4 = Invoke-RestMethod -Method GET -Uri http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/access-configs/0/external-ip -Headers @{\"Metadata-Flavor\" = \"Google\"} }",
    "  Default { Throw \"Unknown PACKER_BUILDER_TYPE\" } }",
    "\"[{{build_name}}]\" | Out-File C:\\Windows\\Temp\\host -encoding ascii",
    "$publicipv4 | Out-File C:\\Windows\\Temp\\host -encoding ascii"
    ]
},
{
  "type": "file",
  "direction": "download",
  "source": "C:\\Windows\\Temp\\host",
  "destination": "playbook/{{build_name}}-host"
},
{
  "type": "shell-local",
  "inline": [
    "export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES",
    "case \"$PACKER_BUILDER_TYPE\" in",
    "  amazon*) ANSIBLE_USER={{user `aws_winrm_user`}};;",
    "  azure*) ANSIBLE_USER={{user `azure_winrm_user`}};;",
    "  googlecompute) ANSIBLE_USER={{user `gcp_winrm_user`}};;",
    "esac",
    "ansible-playbook -v -i playbook/{{build_name}}-host --extra-vars \"ansible_user=$ANSIBLE_USER ansible_password={{.WinRMPassword}} ansible_become_pass={{.WinRMPassword}} ansible_port=5986 ansible_connection=winrm ansible_winrm_server_cert_validation=ignore ansible_winrm_transport=ntlm\" playbook/main.yml"
  ]
}