{
    "variables": {
        "client_id": "{{env `ARM_CLIENT_ID`}}",
        "client_secret": "{{env `ARM_CLIENT_SECRET`}}",
        "resource_group": "{{env `ARM_RESOURCE_GROUP`}}",
        "subscription_id": "{{env `ARM_SUBSCRIPTION_ID`}}",
        "image_name": "centos-golden{{isotime \"02Jan2006-150405\"}}",
        "sas_token":"{{env `SAS_TOKEN`}}",
        "git_branch":"{{env `VAR_GIT_BRANCH`}}",
        "object_id": "{{env `ARM_OBJECT_ID`}}",
        "tenant_id": "{{env `ARM_TENANT_ID`}}",
        "vnet_name": "{{env `VAR_VNET_NAME`}}",
        "vnet_rsg_name" : "{{env `VAR_VNET_RSG`}}",
        "vnet_subnet_name": "{{env `VAR_SUBNET`}}"
    },
    "builders": [{
        "type": "azure-arm",
        "subscription_id": "{{user `subscription_id`}}",
        "client_id": "{{user `client_id`}}",
        "client_secret": "{{user `client_secret`}}",
        "build_resource_group_name": "Packer-dev",
        "os_type": "Linux",
        "image_publisher": "OpenLogic",
        "image_offer": "CentOS",
        "image_sku": "7.4",
        "ssh_username": "centos",
        "vm_size": "Standard_A2",
        "virtual_network_name": "{{user `vnet_name`}}",
        "virtual_network_resource_group_name": "{{user `vnet_rsg_name`}}",
        "virtual_network_subnet_name": "{{user `vnet_subnet_name`}}",
        "azure_tags": {

        },
        "managed_image_resource_group_name": "{{user `resource_group`}}",
        "managed_image_name": "{{user `image_name`}}"
      }],
      "provisioners": [
        {
            "type": "shell",
            "environment_vars": ["SAS_TOKEN={{user `sas_token`}}",
                "GIT_BRANCH={{user `git_branch`}}"],
            "execute_command": "chmod +x {{ .Path }}; {{ .Vars }} {{ .Path }}",
            "script": "bootscript.sh",
            "skip_clean": true
        }
    ]
  }