Add AlmaLinux aarch64 template

almalinux/cloud/aarch64/README.md

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+# AlmaLinux OS Generic Cloud (Cloud-init) images
+
+https://wiki.almalinux.org/cloud/Generic-cloud.html#download-images
+
+## AlmaLinux 9
+
+```
+cd almalinux/cloud/aarch64
+packer init .
+PACKER_LOG=1 packer build \
+  -var-file almalinux-9-aarch64.pkrvars.hcl \
+  almalinux.pkr.hcl
+```
+
+```
+$ sudo qemu-img convert \
+    -f qcow2 \
+    -O qcow2 \
+    output-almalinux-9-aarch64/almalinux-9-aarch64.qcow2 \
+    /var/lib/libvirt/images/almalinux-9-aarch64.qcow2
+$ sudo qemu-img resize \
+    -f qcow2 \
+    /var/lib/libvirt/images/almalinux-9-aarch64.qcow2 \
+    32G
+```
+
+```
+osinfo-query os
+```
+
+```
+virt-install \
+  --connect qemu:///system \
+  --name almalinux-9 \
+  --boot uefi \
+  --memory 4096 \
+  --vcpus 2 \
+  --os-variant ol8.0 \
+  --disk /var/lib/libvirt/images/almalinux-9-aarch64.qcow2,bus=virtio \
+  --network network=host-network,model=virtio \
+  --noautoconsole \
+  --console pty,target_type=serial \
+  --import \
+  --debug
+
+virsh console almalinux-9
+
+# login with packer user
+
+
+# Check networking - you may notice that the network interface is down and
+# the name of the interface generated in netplan doesn't match. If not
+# correct, can regenerate with cloud-init
+
+$ ip --brief a
+lo               UNKNOWN        127.0.0.1/8 ::1/128 
+eth0             UP             10.63.33.48/22 fe80::5054:ff:fed5:f99/64
+
+# Check cloud-init version
+$ cloud-init --version
+/usr/bin/cl
+oud-init 23
+.4-7.el9_4.
+alma.1
+
+# Regenerate only the network config
+$ sudo cloud-init clean --configs network
+$ sudo cloud-init init --local
+
+$ sudo reboot
+
+$ ip --brief a
+lo               UNKNOWN        127.0.0.1/8 ::1/128
+eth0             UP             10.63.34.53/22 fe80::5054:ff:fed1:cf06/64
+
+$ sudo cloud-init status
+status: done
+
+# Disable cloud-init
+$ sudo touch /etc/cloud/cloud-init.disabled
+
+$ sudo cloud-init status
+status: disabled
+
+$ sudo shutdown -h now
+```
+
+```
+$ virsh shutdown almalinux-9
+$ virsh undefine almalinux-9 --nvram --remove-all-storage
+```

almalinux/cloud/aarch64/almalinux-9-aarch64.pkrvars.hcl

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+iso_checksum = "file:https://repo.almalinux.org/almalinux/9/cloud/aarch64/images/CHECKSUM"
+iso_url = "https://repo.almalinux.org/almalinux/9/cloud/aarch64/images/AlmaLinux-9-GenericCloud-latest.aarch64.qcow2"
+vm_name = "almalinux-9-aarch64"

almalinux/cloud/aarch64/almalinux.pkr.hcl

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+packer {
+  required_plugins {
+    qemu = {
+      version = "~> 1"
+      source  = "github.com/hashicorp/qemu"
+    }
+  }
+}
+
+variable "ssh_username" {
+  type    = string
+  default = "packer"
+}
+
+variable "ssh_password" {
+  type    = string
+  default = "packer"
+}
+
+variable "vm_name" {
+  type    = string
+  default = "almalinux-9-aarch64"
+}
+
+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: almalinux-cloud
+local-hostname: almalinux-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://repo.almalinux.org/almalinux/9/cloud/aarch64/images/CHECKSUM"
+}
+
+variable "iso_url" {
+  type    = string
+  default = "https://repo.almalinux.org/almalinux/9/cloud/aarch64/images/AlmaLinux-9-GenericCloud-latest.aarch64.qcow2"
+}
+
+source "qemu" "almalinux" {
+  disk_compression = true
+  disk_image       = true
+  disk_size        = "32G"
+  format           = "qcow2"
+  iso_checksum     = var.iso_checksum
+  iso_url          = var.iso_url
+  machine_type     = "virt,gic-version=max"
+  net_device       = "virtio-net"
+  disk_interface   = "virtio"
+  qemu_binary      = "qemu-system-aarch64"
+  qemuargs = [
+    ["-cdrom", "boot-${var.vm_name}/cidata.iso"],
+    ["-cpu", "max"],
+    ["-boot", "strict=on"],
+    ["-monitor", "none"],
+    /* ["-device", "virtio-gpu-pci"], */
+  ]
+  output_directory = "output-${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          = true
+  efi_firmware_code = "/usr/share/AAVMF/AAVMF_CODE.fd"
+  efi_firmware_vars = "/usr/share/AAVMF/AAVMF_VARS.fd"  
+}
+
+build {
+  sources = ["source.qemu.almalinux"]
+
+  # 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",
+    ]
+  }
+}

almalinux/cloud/scripts/cloud-init-wait.sh

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+#!/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