update ansible example (#65)

docs/builders/googlecompute.mdx

@@ -293,6 +293,60 @@ build {
 }
 ```
 
+### Windows over WinSSH - Ansible Provisioner
+
+The following uses Windows SSH as backend communicator
+[https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse](https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse)
+with a private key.
+
+* The `windows-startup-script-cmd` creates the `packer_user` and adds it to the local administrators group and configures the ssh key, firewall rule and required permissions.
+
+```
+source "googlecompute" "windows-ssh-ansible" {
+  project_id              = var.project_id
+  source_image            = "windows-server-2019-dc-v20200813"
+  zone                    = "us-east4-a"
+  disk_size               = 50
+  machine_type            = "n1-standard-8"
+  communicator            = "ssh"
+  ssh_username            = var.packer_username
+  ssh_private_key_file    = var.ssh_key_file_path
+  ssh_timeout             = "1h"
+  
+  metadata = {
+    windows-startup-script-cmd = "net user ${var.packer_username} \"${var.packer_user_password}\" /add /y & wmic UserAccount where Name=\"${var.packer_username}\" set PasswordExpires=False & net localgroup administrators ${var.packer_username} /add & powershell Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0 & echo ${var.ssh_pub_key} > C:\\ProgramData\\ssh\\administrators_authorized_keys & icacls.exe \"C:\\ProgramData\\ssh\\administrators_authorized_keys\" /inheritance:r /grant \"Administrators:F\" /grant \"SYSTEM:F\" & powershell New-ItemProperty -Path \"HKLM:\\SOFTWARE\\OpenSSH\" -Name DefaultShell -Value \"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" -PropertyType String -Force  & powershell Start-Service sshd & powershell Set-Service -Name sshd -StartupType 'Automatic' & powershell New-NetFirewallRule -Name 'OpenSSH-Server-In-TCP' -DisplayName 'OpenSSH Server (sshd)' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22 & powershell.exe -NoProfile -ExecutionPolicy Bypass -Command \"Set-ExecutionPolicy -ExecutionPolicy bypass -Force\""
+  }
+  account_file = var.account_file_path
+
+}
+
+build {
+  sources = ["sources.googlecompute.windows-ssh-ansible"]
+
+  provisioner "ansible" {
+    playbook_file           = "./playbooks/playbook.yml"
+    use_proxy               = false
+    ansible_ssh_extra_args  = ["-o StrictHostKeyChecking=no -o IdentitiesOnly=yes"]
+    ssh_authorized_key_file = "var.public_key_path"
+    extra_arguments = ["-e", "win_packages=${var.win_packages}",
+      "-e",
+      "ansible_shell_type=powershell",
+      "-e",
+      "ansible_shell_executable=None",
+      "-e",
+      "ansible_shell_executable=None"
+    ]
+    user = var.packer_username
+  }
+
+}
+
+```
+
+
+
+
+
 ### Nested Hypervisor Example
 
 This is an example of using the `image_licenses` configuration option to create