exampleSIG.json

{
    "variables": {
      "client_id": "{{env `ARM_CLIENT_ID`}}",
      "client_secret": "{{env `ARM_CLIENT_SECRET`}}",
      "subscription_id": "{{env `ARM_SUBSCRIPTION_ID`}}",
      "resource_group": "{{env `ARM_RESOURCE_GROUP`}}",
      "sourceDiskResID": "{{env `SOURCE_DISK_RESID`}}"

    },
    "builders": [{
      "type": "azure-chroot",
      "command_wrapper": "sudo {{.Command}}",
      "client_id": "{{user `client_id`}}",
      "client_secret": "{{user `client_secret`}}",
      "subscription_id": "{{user `subscription_id`}}",
      "image_resource_id": "/subscriptions/{{user `subscription_id`}}/resourceGroups/{{user `resource_group`}}/providers/Microsoft.Compute/images/MyDebianOSImage-{{timestamp}}",
      "source": "{{user `sourceDiskResID`}}"
    }],
    "provisioners": [{
      "inline": [
        "apt-get update",
        "apt-get upgrade -y",
        "# if this is a specialized image remove cloud-init",
        "sudo apt-get remove cloud-init -y"
      ],
      "inline_shebang": "/bin/sh -x",
      "type": "shell"
    }]
  }