Imports github.com/hashicorp/packer/packer github.com/hashicorp/packer/provisioner/file github.com/hashicorp/packer-plugin-sdk/template github.com/hashicorp/packer/provisioner/shell github.com/hashicorp/packer-plugin-sdk/packer Standard library imports bytes context encoding/json fmt io/ioutil log os os/exec path/filepath strings testing