Attempting to use installerconfig for FreeBSD 15

FreeBSD/freebsd-15.pkr.hcl

@@ -14,57 +14,12 @@ source "proxmox-iso" "freebsd-15" {
   vm_id                    = "210"
   boot_wait                = "5s"
   boot_key_interval        = "200ms"
-  boot_command             = ["<enter>",
-    "<wait10s>", # wait for boot to finish
-    "<enter><wait1s>", # begin installation
-    "<enter><wait1s>", # keymap
-    "freebsd<enter><wait1s>", # hostname
-    "<enter><wait1s>",
-    "<enter><wait1s>",
-    "<enter><wait1s>",
-    "<enter><wait15s>", # wait for network to come up
-    "<enter><wait3s>", # wait for disk detection
-    "<enter><wait1s>",
-    "<enter><wait1s>",
-    " <wait1s><enter><wait1s>", # select disk
-    "<left><enter><wait5s>", # confirm disk destroy
-    "<enter><wait120s>", # install base system
-    "packer<tab>packer<enter><wait3s>", # root password
-    "<down><down><enter><wait1s>", # timezone region
-    "95<up><enter><wait10s>", # timezone selection
-    "<enter><wait10s>",
-    "<enter><wait10s>",
-    "<enter><wait10s>",
-    "<enter><wait10s>",
-    "<down><down><down> <enter><wait1s>",
-    "<down><down><down><down><down><down><down><down> <enter><wait1s>",
-    "<enter><wait2s>",
-    "<enter><wait1s>",
-    "xadmin<enter>", # break-glass username
-    "Remote admin user<enter>", # break-glass name
-    "<enter>",
-    "<enter>",
-    "wheel<enter>", # break-glass group (wheel
-    "<enter>",
-    "<enter>",
-    "<enter>",
-    "<enter>",
-    "<enter>",
-    "<enter>",
-    "<enter>", 
-    "<enter>",
-    "packer<enter>", # break-glass password
-    "packer<enter>", # break-glass password confirm
-    "<enter>",
-    "<enter>",
-    "<enter><wait1s>",
-    "<enter><wait1s>",
-    "<left><enter><wait1s>", # open post-install shell
-    "pkg install -y qemu-guest-agent sudo<enter><wait30s>", # install qemu-guest-agent package for Proxmox
-    "echo 'xadmin ALL=(ALL:ALL) NOPASSWD:ALL' > /usr/local/etc/sudoers.d/xadmin<enter><wait1s>", # allow xadmin to sudo
-    "sysrc qemu_guest_agent_enable=YES<enter><wait1s>", # enable QEMU guest agent
-    "exit<enter><wait1s>", # exit shell
-    "<enter>" # reboot
+  boot_command             = ["2<wait10s>", # boot to single-user mode
+    "/bin/sh<enter><wait2s>", # open a shell
+    "mdmfs -s 100m md /tmp<enter><wait2s>", # mount a writable /tmp memory disk
+    "dhclient vtnet0<enter><wait5>", # bring up network (adjust interface: em0, vtnet0, etc.)
+    "fetch -o /tmp/installerconfig http://{{ .HTTPIP }}:{{ .HTTPPort }}/freebsd-15-installerconfig<enter><wait5s>", # grab the installerconfig
+    "bsdinstall script /tmp/installerconfig<enter>" # execute bsdinstall with fetched config
   ]
 
   os                       = "other"

http/freebsd-15-installerconfig

@@ -0,0 +1,56 @@
+# ==============================================================================
+# FreeBSD bsdinstall Scripting Configuration
+# ==============================================================================
+
+# 1. System & Partitioning Defaults
+KEYMAP="us.kbd"
+HOSTNAME="freebsd"
+DISTRIBUTIONS="kernel.txz base.txz"
+
+# Guided ZFS Installation Parameters
+# Note: Adjust 'da0' below if your hypervisor uses vtbd0 or ada0!
+ZFSBOOT_DISKS="da0"
+ZFSBOOT_VDEV_TYPE="stripe"
+ZFSBOOT_CONFIRM_POOL_CREATE="YES"
+
+# Timezone Configuration (US/Eastern)
+TIMEZONE="America/New_York"
+
+# Enabling Services (local_unbound, sshd, etc.)
+# Maps to your service choices during setup
+bsdinstall_services="sshd local_unbound"
+
+
+# ==============================================================================
+# Post-Installation Shell Script (Runs automatically in chroot)
+# ==============================================================================
+#!/bin/sh
+
+# Network configuration for the installed system
+echo 'ifconfig_DEFAULT="DHCP"' >> /etc/rc.conf
+
+# Set Root Password ('packer')
+echo "packer" | pw usermod root -h 0
+
+# Create 'xadmin' user in 'wheel' group with password 'packer'
+echo "packer" | pw useradd xadmin \
+  -c "Remote admin user" \
+  -g wheel \
+  -m \
+  -s /bin/sh \
+  -h 0
+
+# Install Packages (qemu-guest-agent, sudo)
+# ASSUMPTION: The system has internet access during post-install
+env ASSUME_ALWAYS_YES=YES pkg install -y qemu-guest-agent sudo
+
+# Sudoers configuration for xadmin
+mkdir -p /usr/local/etc/sudoers.d
+echo 'xadmin ALL=(ALL:ALL) NOPASSWD:ALL' > /usr/local/etc/sudoers.d/xadmin
+chmod 0440 /usr/local/etc/sudoers.d/xadmin
+
+# Enable QEMU Guest Agent service
+sysrc qemu_guest_agent_enable="YES"
+
+# Finalize and reboot system
+reboot