build-gce.json

{
  "variables": {
    "image_name": "{{env `IMAGE_NAME`}}",
    "source_image_name": "{{env `GCE_SOURCE_IMAGE_NAME`}}",
    "network": "{{env `PACKER_NETWORK`}}",
    "account_file": "{{env `GCE_ACCOUNT_FILE_PATH`}}",
    "zone": "{{env `GCE_ZONE`}}",
    "project_id": "{{env `GCE_PROJECT_ID`}}",
    "current_version": "{{env `CURRENT_VERSION`}}"
  },
  "builders": [
    {
      "name": "all",
      "type": "googlecompute",
      "image_name": "{{user `image_name`}}",
      "source_image": "{{user `source_image_name`}}",
      "ssh_username": "ubuntu",
      "account_file": "{{user `account_file`}}",
      "project_id": "{{user `project_id`}}",
      "zone": "{{user `zone`}}"
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "script": "{{pwd}}/requirements.sh"
    }
  ],
  "post-processors": [
    {
      "type": "googlecompute-export",
      "paths": [
        "gs://kubenow-images/{{user `image_name`}}.tar.gz"
      ]
    },
    {
      "type": "shell-local",
      "script": "{{pwd}}/bin/gce_pp.sh"
    }
  ]
}