Add Alpine 3.21 release

distros/alpine/3.21/amd64.pkrvars.hcl

@@ -0,0 +1,19 @@
+distro  = "alpine"
+version = "3.21"
+iso = {
+  url      = "https://dl-cdn.alpinelinux.org/alpine/v3.21/releases/x86_64/alpine-standard-3.21.2-x86_64.iso"
+  checksum = "706e9521cd21188786cb983131040ee68399e504924ea3318d600d1e04a93878"
+}
+boot_command = [
+  "root<enter><wait1>",
+  "echo 'iface eth0 inet dhcp' > /etc/network/interfaces<enter><wait>",
+  "ifup eth0<enter><wait8>",
+  "wget -O answers.cfg.sh http://{{ .HTTPIP }}:{{ .HTTPPort }}/answers.cfg.sh<enter>",
+  "<wait3>",
+  "wget -O in-chroot.sh http://{{ .HTTPIP }}:{{ .HTTPPort }}/in-chroot.sh<enter>",
+  "<wait3>",
+  "/bin/ash ./answers.cfg.sh 2>&1 | tee install.log<enter>",
+]
+http_directory = "distros/alpine/3.21/http/"
+boot_wait      = "20s"
+shutdown_command = "sudo poweroff"

distros/alpine/3.21/finalize.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env sh
+set -ex

distros/alpine/3.21/http/answers.cfg.sh

@@ -0,0 +1,61 @@
+#!/bin/ash
+# shellcheck shell=dash
+
+set -ex -o pipefail
+
+if [ -e /dev/vda ]; then
+    disk="/dev/vda"
+else
+    disk="/dev/sda"
+fi
+
+cat << EOF > answers.cfg
+KEYMAPOPTS="us us"
+
+HOSTNAMEOPTS="vagrant"
+
+DEVDOPTS=mdev
+
+INTERFACESOPTS="auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet dhcp
+hostname vagrant.local"
+
+TIMEZONEOPTS="UTC"
+
+PROXYOPTS="none"
+
+# Add first CDN mirror
+APKREPOSOPTS="-1"
+
+USEROPTS="-a -u -g audio,video,netdev vagrant"
+
+SSHDOPTS=openssh
+
+NTPOPTS=none
+
+DISKOPTS="-m sys ${disk}"
+
+LBUOPTS=none
+
+APKCACHEOPTS=none
+EOF
+
+setup-alpine -e -f answers.cfg -q
+yes y | setup-disk -m sys "${disk}" || true
+# It isn't setting up disk in initial run, but
+# it also can't setup disk before the rest of it
+# is setup properly. There might be a better workaround
+# but this is what I'm choosing to do
+setup-alpine -e -f answers.cfg -q
+
+mount "${disk}3" /mnt
+mount "${disk}1" /mnt/boot
+
+mv in-chroot.sh /mnt
+for fs in proc sys dev sys/firmware/efi/efivars; do mount -o bind /${fs} /mnt/${fs}; done
+chroot /mnt /bin/ash /in-chroot.sh
+rm /mnt/in-chroot.sh
+reboot

distros/alpine/3.21/http/in-chroot.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env sh
+set -ex
+
+# Enables packages like "sudo"
+sed -i 's/#\(.*\/community\)/\1/' /etc/apk/repositories
+
+# Install bare minimal packages
+apk add curl efibootmgr openssh sudo virt-what
+
+rc-update add sshd default
+
+# Configure systems
+echo 'vagrant ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/vagrant-nopasswd
+echo 'Defaults !requiretty' >> /etc/sudoers
+sed -i 's/.*UseDNS.*/UseDNS no/' /etc/ssh/sshd_config
+cat > /etc/ssh/sshd_config.d/10-vagrant-insecure-rsa-key.conf <<EOF
+# For now the vagrant insecure key is an rsa key
+# https://github.com/hashicorp/vagrant/issues/11783
+PubkeyAcceptedKeyTypes=+ssh-rsa
+EOF
+ssh-keygen -A
+
+# Create and configure the vagrant user
+adduser vagrant -D
+# Add the vagrant user to the `wheel` group
+addgroup vagrant wheel
+[ -d /home/vagrant ] || exit 1
+echo "vagrant:vagrant" | chpasswd
+echo "root:vagrant" | chpasswd
+
+# Do host-specific things
+virt="$(virt-what)"
+# Values I've found so far
+#   "microsoft" == Hyper-V
+#   "oracle" == VirtualBox
+#   "KVM" == KVM/Qemu
+case "${virt}" in
+microsoft | hyperv)
+	apk add hvtools
+	rc-update add hv_fcopy_daemon
+	rc-update add hv_kvp_daemon
+	rc-update add hv_vss_daemon
+	target="0001"  # Placeholder for now
+	;;
+kvm | qemu)
+	apk add qemu-guest-agent
+	rc-update add qemu-guest-agent
+	target="$(efibootmgr | grep 'Misc' | awk '{print $1}' | sed -E 's/[^0-9]//g')"
+	;;
+virtualbox*)
+	apk add virtualbox-guest-additions
+	rc-update add virtualbox-guest-additions boot
+	target="$(efibootmgr | grep 'VBOX HARD' | awk '{print $1}' | sed -E 's/[^0-9]//g')"
+	;;
+esac
+
+efibootmgr --bootnext "${target}"

distros/alpine/3.21/qemu.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env sh
+set -ex

distros/alpine/3.21/virtualbox.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env sh
+set -ex

distros/alpine/3.21/vmware.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+set -ex
+
+pacman -Sy --noconfirm open-vm-tools

distros/alpine/default.nix

@@ -9,4 +9,9 @@
     arch = "amd64";
     eol = false;
   }
+  {
+    version = "3.21";
+    arch = "amd64";
+    eol = false;
+  }
 ]