From a2544ded0f34d7169bd199b0c81e89c9f44d9874 Mon Sep 17 00:00:00 2001
From: Mischa Taylor <taylor@linux.com>
Date: Sun, 23 Jun 2024 00:21:56 +0000
Subject: [PATCH] Add centos-stream-9 x86_64 template

---
 centos/cloud/scripts/cloud-init-wait.sh       |  13 ++
 centos/cloud/x86_64/README.md                 |  11 ++
 .../x86_64/centos-stream-9-x86_64.pkrvars.hcl |   6 +
 centos/cloud/x86_64/centos.pkr.hcl            | 112 ++++++++++++++++++
 4 files changed, 142 insertions(+)
 create mode 100644 centos/cloud/scripts/cloud-init-wait.sh
 create mode 100644 centos/cloud/x86_64/README.md
 create mode 100644 centos/cloud/x86_64/centos-stream-9-x86_64.pkrvars.hcl
 create mode 100644 centos/cloud/x86_64/centos.pkr.hcl

diff --git a/centos/cloud/scripts/cloud-init-wait.sh b/centos/cloud/scripts/cloud-init-wait.sh
new file mode 100644
index 0000000..048e265
--- /dev/null
+++ b/centos/cloud/scripts/cloud-init-wait.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# https://bugs.launchpad.net/cloud-init/+bug/1890528
+# cloud-init can return an exit status on wait other than 0
+# so eat the exit status for now so it doesn't error packer
+cloud_init_status=0
+cloud-init status --wait || cloud_init_status=$?
+
+if [ "$cloud_init_status" = "0" ]; then
+  echo "cloud-init succeeded"
+else
+  echo "cloud-init exit=${cloud_init_status}"
+fi
diff --git a/centos/cloud/x86_64/README.md b/centos/cloud/x86_64/README.md
new file mode 100644
index 0000000..64addf0
--- /dev/null
+++ b/centos/cloud/x86_64/README.md
@@ -0,0 +1,11 @@
+# CentOS Cloud Images
+
+## CentOS Stream 9 UEFI virtual firmware
+
+```
+cd centos/cloud/x86_64
+packer init .
+PACKER_LOG=1 packer build \
+  -var-file centos-stream-9-x86_64.pkrvars.hcl \
+  centos.pkr.hcl
+```
diff --git a/centos/cloud/x86_64/centos-stream-9-x86_64.pkrvars.hcl b/centos/cloud/x86_64/centos-stream-9-x86_64.pkrvars.hcl
new file mode 100644
index 0000000..91d5796
--- /dev/null
+++ b/centos/cloud/x86_64/centos-stream-9-x86_64.pkrvars.hcl
@@ -0,0 +1,6 @@
+efi_boot = true
+efi_firmware_code = "/usr/share/OVMF/OVMF_CODE.fd"
+efi_firmware_vars = "/usr/share/OVMF/OVMF_VARS.fd"
+iso_checksum = "file:https://cloud.centos.org/centos/9-stream/x86_64/images/CHECKSUM"
+iso_url = "https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-x86_64-9-latest.x86_64.qcow2"
+vm_name = "centos-stream-9-x86_64"
diff --git a/centos/cloud/x86_64/centos.pkr.hcl b/centos/cloud/x86_64/centos.pkr.hcl
new file mode 100644
index 0000000..ae84114
--- /dev/null
+++ b/centos/cloud/x86_64/centos.pkr.hcl
@@ -0,0 +1,112 @@
+packer {
+  required_plugins {
+    qemu = {
+      version = "~> 1"
+      source  = "github.com/hashicorp/qemu"
+    }
+  }
+}
+
+variable "efi_boot" {
+  type    = bool
+  default = false
+}
+
+variable "efi_firmware_code" {
+  type    = string
+  default = null
+}
+
+variable "efi_firmware_vars" {
+  type    = string
+  default = null
+}
+
+variable "ssh_username" {
+  type    = string
+  default = "packer"
+}
+
+variable "ssh_password" {
+  type    = string
+  default = "packer"
+}
+
+variable "vm_name" {
+  type    = string
+  default = "centos-stream-9-x86_64"
+}
+
+source "file" "user_data" {
+  content = <<EOF
+#cloud-config
+user: ${var.ssh_username}
+password: ${var.ssh_password}
+chpasswd: { expire: False }
+ssh_pwauth: True
+EOF
+  target  = "boot-${var.vm_name}/user-data"
+}
+
+source "file" "meta_data" {
+  content = <<EOF
+instance-id: centos-cloud
+local-hostname: centos-cloud
+EOF
+  target  = "boot-${var.vm_name}/meta-data"
+}
+
+build {
+  sources = ["sources.file.user_data", "sources.file.meta_data"]
+
+  provisioner "shell-local" {
+    inline = ["genisoimage -output boot-${var.vm_name}/cidata.iso -input-charset utf-8 -volid cidata -joliet -r boot-${var.vm_name}/user-data boot-${var.vm_name}/meta-data"]
+  }
+}
+
+variable "iso_checksum" {
+  type    = string
+  default = "file:https://cloud.centos.org/centos/9-stream/x86_64/images/CHECKSUM"
+}
+
+variable "iso_url" {
+  type    = string
+  default = "https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-x86_64-9-latest.x86_64.qcow2"
+}
+
+source "qemu" "centos" {
+  # RHEL9 removed support for qemu64 in their distributed qemu package,
+  # forcing that cpu_model be defined
+  cpu_model        = "host"
+  disk_compression = true
+  disk_image       = true
+  disk_size        = "30G"
+  iso_checksum     = var.iso_checksum
+  iso_url          = var.iso_url
+  machine_type     = "q35"
+  qemuargs = [
+    ["-cdrom", "boot-${var.vm_name}/cidata.iso"]
+  ]
+  output_directory = "output-${var.vm_name}"
+  shutdown_command = "echo '${var.ssh_password}' | sudo -S shutdown -P now"
+  ssh_password     = var.ssh_password
+  ssh_timeout      = "120s"
+  ssh_username     = var.ssh_username
+  vm_name          = "${var.vm_name}.qcow2"
+  efi_boot          = var.efi_boot
+  efi_firmware_code = var.efi_firmware_code
+  efi_firmware_vars = var.efi_firmware_vars
+}
+
+build {
+  sources = ["source.qemu.centos"]
+
+  # cloud-init may still be running when we start executing scripts
+  # To avoid race conditions, make sure cloud-init is done first
+  provisioner "shell" {
+    execute_command   = "echo '${var.ssh_password}' | {{ .Vars }} sudo -S -E sh -eux '{{ .Path }}'"
+    scripts = [
+      "../scripts/cloud-init-wait.sh",
+    ]
+  }
+}