fixup! Packer hooks.

test_files/template.pkr.hcl

-
-build {
-  name        = "alpine"
-  description = <<EOF
-This build creates alpine images for versions :
-* v3.12
-For the following builders :
-* virtualbox-iso
-EOF
-
-  // the common fields of the source blocks are defined in the
-  // source.builder-type.pkr.hcl files, here we only set the fields specific to
-  // the different versions of ubuntu.
-  source "source.virtualbox-iso.base-alpine-amd64" {
-    name             = "3.12"
-    iso_url          = local.iso_url_alpine_312
-    iso_checksum     = "file:${local.iso_checksum_url_alpine_312}"
-    output_directory = "virtualbox_iso_alpine_312_amd64"
-    boot_command     = local.alpine_312_floppy_boot_command
-    boot_wait        = "10s"
+packer {
+  required_plugins {
+    amazon = {
+      version = ">= 0.0.2"
+      source  = "github.com/hashicorp/amazon"
     }
-
-  source "source.vsphere-iso.base-alpine-amd64" {
-    name         = "3.12"
-    vm_name      = "alpine-3.12"
-    iso_url      = local.iso_url_alpine_312
-    iso_checksum = "file:${local.iso_checksum_url_alpine_312}"
-    boot_command = local.alpine_312_floppy_boot_command_vsphere
-    boot_wait    = "10s"
   }
-
-  source "source.vmware-iso.esxi-base-alpine-amd64" {
-    name         = "3.12-from-esxi"
-    iso_url      = local.iso_url_alpine_312
-    iso_checksum = "file:${local.iso_checksum_url_alpine_312}"
-    boot_command = local.alpine_312_floppy_boot_command_vsphere
 }
 
-  provisioner "shell" {
-    inline = ["echo hi"]
+source "amazon-ebs" "ubuntu" {
+  ami_name      = "learn-packer-linux-aws"
+  instance_type = "t2.micro"
+  region        = "us-west-2"
+  source_ami_filter {
+    filters = {
+      name                = "ubuntu/images/*ubuntu-xenial-16.04-amd64-server-*"
+      root-device-type    = "ebs"
+      virtualization-type = "hvm"
     }
+    most_recent = true
+    owners      = ["099720109477"]
   }
+  ssh_username = "ubuntu"
+}
+
+build {
+  name = "learn-packer"
+  sources = [
+    "source.amazon-ebs.ubuntu"
+  ]
+}
+