Use more reliable grep method

Prefer serial consoles to TTYs, and present a timeout on graphical TTYs.

buildiso.sh

@@ -63,85 +63,87 @@ while [ $# -gt 0 ]; do
     esac
 done
 
-PACKAGE_LIST_MAIN="live-tools live-boot live-boot-initramfs-tools linux-image-amd64 mdadm lvm2 parted gdisk dosfstools debootstrap grub-pc-bin grub-efi-amd64 sipcalc vim ca-certificates vlan tftp-hpa curl ipmitool"
-PACKAGE_LIST_NONFREE="firmware-bnx2 firmware-bnx2x"
-
 mkdir -p artifacts/lb
 pushd artifacts/lb &>/dev/null
 
 echo "Pre-cleaning live-build environment..."
 sudo lb clean
+echo
 
 echo "Initializing config..."
 # Initialize the live-build config
-lb config --distribution buster --architectures amd64 --archive-areas "main contrib non-free" --apt-recommends false
+lb config --distribution buster --architectures amd64 --archive-areas "main contrib non-free" --apt-recommends false || fail "Failed to initialize live-build config"
+echo
 
-# Configure the "standard" live task (no GUI)
+# Configure the package lists
-echo "live-task-standard" > config/package-lists/desktop.list.chroot
+echo -n "Copying package lists... "
-
+cp ../../templates/installer.list.chroot config/package-lists/installer.list.chroot || fail "Failed to copy critical template file"
-# Add additional live packages
+cp ../../templates/firmware.list.chroot config/package-lists/firmware.list.chroot || fail "Failed to copy critical template file"
-echo ${PACKAGE_LIST_MAIN} > config/package-lists/installer.list.chroot
+echo "done."
-echo ${PACKAGE_LIST_NONFREE} > config/package-lists/nonfree.list.chroot
 
 # Add root password hook
+echo -n "Copying live-boot templates... "
+mkdir -p config/includes.chroot/lib/live/boot/
+cp ../../templates/9990-initramfs-tools.sh config/includes.chroot/lib/live/boot/9990-initramfs-tools.sh || fail "Failed to copy critical template file"
+chmod +x config/includes.chroot/lib/live/boot/9990-initramfs-tools.sh || fail "Failed to copy critical template file"
 mkdir -p config/includes.chroot/lib/live/config/
-cat <<EOF > config/includes.chroot/lib/live/config/2000-remove-root-pw
+cp ../../templates/2000-remove-root-pw.sh config/includes.chroot/lib/live/config/2000-remove-root-pw.sh || fail "Failed to copy critical template file"
-#!/bin/sh
+chmod +x config/includes.chroot/lib/live/config/2000-remove-root-pw.sh || fail "Failed to copy critical template file"
-echo "I: remove root password"
+echo "done."
-passwd --delete root
-EOF
-chmod +x config/includes.chroot/lib/live/config/2000-remove-root-pw
 
 # Set root bashrc
+echo -n "Copying root bashrc template... "
 mkdir -p config/includes.chroot/root
-echo "/install.sh" > config/includes.chroot/root/.bashrc
+cp ../../templates/root.bashrc config/includes.chroot/root/.bashrc || fail "Failed to copy critical template file"
+echo "done."
 
 # Set hostname and resolv.conf
+echo -n "Copying networking templates... "
 mkdir -p config/includes.chroot/etc
-echo "pvc-live-installer" > config/includes.chroot/etc/hostname
+cp ../../templates/hostname config/includes.chroot/etc/hostname || fail "Failed to copy critical template file"
-echo "nameserver 8.8.8.8" > config/includes.chroot/etc/resolv.conf
+cp ../../templates/resolv.conf config/includes.chroot/etc/resolv.conf || fail "Failed to copy critical template file"
+echo "done."
 
-# Set single vty
+# Set single vty and autologin
+echo -n "Copying getty templates... "
 mkdir -p config/includes.chroot/etc/systemd/
-cat <<EOF > config/includes.chroot/etc/systemd/logind.conf
+cp ../../templates/logind.conf config/includes.chroot/etc/systemd/logind.conf || fail "Failed to copy critical template file"
-[Login]
-NAutoVTs=2
-EOF
-
 mkdir -p config/includes.chroot/etc/systemd/system/getty@.service.d
-cat <<EOF > config/includes.chroot/etc/systemd/system/getty@.service.d/override.conf
+cp ../../templates/getty-override.conf  config/includes.chroot/etc/systemd/system/getty@.service.d/override.conf || fail "Failed to copy critical template file"
-[Service]
-ExecStart=
-ExecStart=-/sbin/agetty -o '-p -- \\\u' --autologin root --noclear %I \$TERM
-EOF
-
 mkdir -p config/includes.chroot/etc/systemd/system/serial-getty@.service.d
-cat <<EOF > config/includes.chroot/etc/systemd/system/serial-getty@.service.d/override.conf
+cp ../../templates/serial-getty-override.conf config/includes.chroot/etc/systemd/system/serial-getty@.service.d/override.conf || fail "Failed to copy critical template file"
-[Service]
+echo "done."
-ExecStart=
-ExecStart=-/sbin/agetty -o '-p -- \\\u' --autologin root --noclear --keep-baud 115200,38400,9600 %I \$TERM
-EOF
 
 # Install GRUB config, theme, and splash
+echo -n "Copying GRUB templates... "
 mkdir -p config/includes.chroot/boot/grub
-cp ../../grub.cfg config/includes.chroot/boot/grub/grub.cfg
+cp ../../templates/grub.cfg config/includes.chroot/boot/grub/grub.cfg || fail "Failed to copy critical template file"
-cp ../../theme.txt config/includes.chroot/boot/grub/theme.txt
+cp ../../templates/theme.txt config/includes.chroot/boot/grub/theme.txt || fail "Failed to copy critical template file"
-cp ../../splash.png config/includes.chroot/splash.png
+cp ../../templates/splash.png config/includes.chroot/splash.png || fail "Failed to copy critical template file"
+echo "done."
 
 # Install install.sh script
-cp ../../install.sh config/includes.chroot/install.sh
+echo -n "Copying PVC node installer script template... "
+cp ../../templates/install.sh config/includes.chroot/install.sh || fail "Failed to copy critical template file"
 chmod +x config/includes.chroot/install.sh
+echo "done."
 
 # Customize install.sh script
+echo -n "Customizing PVC node installer script... "
 sed -i "s/XXDATEXX/$(date)/g" config/includes.chroot/install.sh
 sed -i "s/XXDEPLOYUSERXX/${deployusername}/g" config/includes.chroot/install.sh
+echo "done."
+echo
 
 # Build the live image
 echo "Building live image..."
-sudo lb build
+sudo lb build || fail "Failed to build live image"
+echo
 
 # Move the ISO image out
+echo -n "Copying generated ISO to repository root... "
 cp live-image-amd64.hybrid.iso ../../${isofilename}
+echo "done."
 
 # Clean up the artifacts
 if [[ -z ${preserve_artifacts} ]]; then

buildpxe.sh

@@ -108,25 +108,6 @@ build_pxe() {
     rmdir ${tmpdir}
     echo "done."
 
-    echo -n "Creating base iPXE configuration... "
-    cat <<EOF > ${outputdir}/boot.pxe
-#!ipxe
-
-# Set global variables
-set root-url tftp://\${next-server}
-
-set menu-default pvc-installer
-set submenu-default pvc-installer
-
-:pvc-installer
-kernel \${root-url}/vmlinuz
-initrd \${root-url}/initrd.img
-imgargs vmlinuz console=tty0 vga=normal nomodeset boot=live components ethdevice-timeout=600 timezone=America/Toronto fetch=\${root-url}/filesystem.squashfs username=root pvcinstall.preseed=on pvcinstall.seed_host=\${next-server} pvcinstall.seed_file=/host/mac-\${mac:hexraw}.preseed
-
-boot
-EOF
-    echo "done."
-
     echo -n "Downloading iPXE binary undionly.kpxe (chainloads arbitrary PXE clients)... "
     pushd ${outputdir} &>/dev/null
     wget -O undionly.kpxe https://boot.ipxe.org/undionly.kpxe &>/dev/null || fail "failed to download undionly.kpxe."
@@ -139,6 +120,10 @@ EOF
     popd &>/dev/null
     echo "done."
 
+    echo -n "Copying base iPXE configuration... "
+    cp templates/boot.pxe ${outputdir}/boot.pxe
+    echo "done."
+
     sudo chown -R $(whoami) ${outputdir}
     sudo chmod -R u+w ${outputdir}
 

install.sh

@@ -1,863 +0,0 @@
-#!/usr/bin/env bash
-
-logfile="/tmp/pvc-install.log"
-lockfile="/run/pvc-install.lock"
-
-if [[ $( whoami ) != "root" ]]; then
-    echo "STOP! This script is designed to run as root within the installer only!"
-    echo "Do not run it on your system. To build a PVC installer ISO, use './buildiso.sh' instead!"
-    exit 1
-fi
-
-# Random delay to prevent overlaps
-DELAY=$(( ${RANDOM} % 10 ))
-echo -n "Waiting ${DELAY} seconds... "
-sleep ${DELAY}
-echo "done."
-
-if [[ -f ${lockfile} ]]; then
-    echo "An instance of 'install.sh' is already running!"
-    exit 1
-fi
-touch ${lockfile}
-
-iso_name="XXDATEXX"
-target_deploy_user="XXDEPLOYUSERXX"
-
-supported_debrelease="buster bullseye"
-default_debrelease="buster"
-default_debmirror="http://debian.mirror.rafal.ca/debian"
-
-inclpkglist="lvm2,parted,gdisk,grub-pc,grub-efi-amd64,linux-image-amd64,sudo,vim,gpg,gpg-agent,aptitude,openssh-server,vlan,ifenslave,python3,ca-certificates,curl"
-suppkglist="firmware-linux,firmware-linux-nonfree,firmware-bnx2,firmware-bnx2x,ntp"
-
-# DANGER - THIS PASSWORD IS PUBLIC
-# It should be used ONLY immediately after booting the PVC node in a SECURE environment
-# to facilitate troubleshooting of a failed boot. It should NOT be exposed to the Internet,
-# and it should NOT be left in place after system configuration. The PVC Ansible deployment
-# roles will overwrite it by default during configuration.
-root_password="hCb1y2PF"
-
-# Respawn function
-respawn() (
-    $0 & disown
-)
-
-# Checkin function
-seed_checkin() (
-    case ${1} in
-        start)
-            action="install-start"
-        ;;
-        end)
-            action="install-complete"
-        ;;
-    esac
-    macaddr=$( ip -br link show ${target_interface} | awk '{ print $3 }' )
-    ipaddr=$( ip -br address show ${target_interface} | awk '{ print $3 }' | awk -F '/' '{ print $1 }' )
-    curl -X POST \
-        -H "Content-Type: application/json" \
-        -d "{\"action\":\"${action}\",\"macaddr\":\"${macaddr}\",\"ipaddr\":\"${ipaddr}\",\"hostname\":\"${target_hostname}\",\"bmc_macaddr\":\"${bmc_macaddr}\",\"bmc_ipaddr\":\"${bmc_ipaddr}\"}" \
-        ${pvcbootstrapd_checkin_uri}
-)
-
-# Obtain the preseed options from the kernel command line
-install_option=""
-seed_host=""
-seed_file=""
-kernel_cmdline=( $( cat /proc/cmdline ) )
-for option in ${kernel_cmdline[@]}; do
-    case ${option} in
-        pvcinstall.preseed=*)
-            install_option=${option#pvcinstall.preseed=}
-        ;;
-        pvcinstall.seed_host=*)
-            seed_host=${option#pvcinstall.seed_host=}
-        ;;
-        pvcinstall.seed_file=*)
-            seed_file=${option#pvcinstall.seed_file=}
-        ;;
-    esac
-done
-
-seed_config() {
-    # Get IPMI BMC MAC for checkings
-    bmc_macaddr="$( ipmitool lan print | grep 'MAC Address  ' | awk '{ print $NF }' )"
-    bmc_ipaddr="$( ipmitool lan print | grep 'IP Address  ' | awk '{ print $NF }' )"
-
-    # Perform DHCP on all interfaces to come online
-    for interface in $( ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do
-        ip link set ${interface} up
-        pgrep dhclient || dhclient ${interface}
-    done
-
-    # Fetch the seed config
-    tftp -m binary "${seed_host}" -c get "${seed_file}" /tmp/install.seed
-
-    . /tmp/install.seed || exit 1
-
-    # Handle the target interface
-    target_route="$( ip route show to match ${seed_host} | grep 'scope link' )"
-    target_interface="$( grep -E -o 'e[a-z]+[0-9]+[a-z0-9]*' <<<"${target_route}" )"
-
-    # Handle the target disk
-    if [[ -n ${target_disk_path} ]]; then
-        target_disk="$( realpath ${target_disk_path} )"
-    else
-        # Find the (first) disk with the given model
-        for disk in /dev/sd?; do
-            disk_model="$( fdisk -l ${disk} | grep 'Disk model:' | sed 's/Disk model: //g' )"
-            if [[ ${disk_model} == ${target_disk_model} ]]; then
-                target_disk="${disk}"
-                break
-            fi
-        done
-    fi
-    if [[ ! -b ${target_disk} ]]; then
-        echo "Invalid disk or disk not found!"
-        exit 1
-    fi
-}
-
-interactive_config() {
-    clear
-
-    echo "--------------------------------------------------------"
-    echo "| PVC Node installer (${iso_name}) |"
-    echo "--------------------------------------------------------"
-    echo
-    echo "This LiveCD will install a PVC node base system ready for bootstrapping with 'pvc-ansible'."
-    echo
-    echo "* NOTE: If you make a mistake and need to restart the installer while answering"
-    echo "        the questions below, you may do so by typing ^C to cancel the script,"
-    echo "        then re-running it by calling /install.sh in the resulting shell."
-    echo
-
-    echo "1) Please enter a fully-qualified hostname for the system. This should match the hostname"
-    echo "in the 'pvc-ansible' inventory."
-    while [[ -z ${target_hostname} ]]; do
-        echo
-        echo -n "> "
-        read target_hostname
-        if [[ -z ${target_hostname} ]]; then
-            echo
-            echo "Please enter a hostname."
-            continue
-        fi
-        echo
-    done
-
-    disks="$(
-        for disk in /dev/sd? /dev/nvme?n?; do
-            if [[ ! -b ${disk} ]]; then
-                continue
-            fi
-            disk_data="$( fdisk -l ${disk} 2>/dev/null )"
-            echo -n "${disk}"
-            echo -en "\t$( grep "^Disk model:" <<<"${disk_data}" | awk '{ $1=""; print $0 }' )"
-            echo -en "  $( grep "^Disk ${disk}:" <<<"${disk_data}" | awk '{ $1=""; $2="size:"; print $0 }' )"
-            echo
-        done
-    )"
-
-    echo "2) Please enter the disk to install the PVC base system to. This disk will be"
-    echo "wiped, an LVM PV created on it, and the system installed to this LVM."
-    echo "* NOTE: PVC requires a disk of at least 30GB to be installed to, and 100GB is the"
-    echo "recommended minimum size for optimal production partition sizes."
-    echo "* NOTE: For optimal performance, this disk should be high-performance flash (SSD, etc.)."
-    echo "* NOTE: This disk should be a RAID-1 volume configured in hardware, or a durable storage"
-    echo "device, maximum redundancy and resiliency."
-    echo
-    echo "Available disks:"
-    echo
-    echo -e "$( sed 's/\(.*\)/  \1/' <<<"${disks[@]}" )"
-    while [[ ! -b ${target_disk} ]]; do
-        echo
-        echo -n "> "
-        read target_disk
-        if [[ ! -b ${target_disk} ]]; then
-            echo
-            echo "Please enter a valid target disk."
-            continue
-        fi
-        blockdev_size_gbytes="$(( $( blockdev --getsize64 ${target_disk} ) / 1024 / 1024 / 1024 - 1))"
-        if [[ ${blockdev_size_gbytes} -lt 30 ]]; then
-            target_disk=""
-            echo
-            echo "The specified disk is too small (<30 GB) to use as a PVC system disk."
-            echo "Please choose an alternative disk."
-            continue
-        fi
-        echo
-    done
-
-    for interface in $( ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do
-        ip link set ${interface} up
-    done
-    sleep 2
-    interfaces="$(
-        ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2"\t"$3 }' | tr -d ':'
-    )"
-    echo "3a) Please enter the primary network interface for external connectivity. If"
-    echo "no entries are shown here, ensure a cable is connected, then restart the"
-    echo "installer with ^C and '/install.sh'."
-    echo
-    echo "Available interfaces:"
-    echo
-    echo -e "$( sed 's/\(.*\)/  \1/' <<<"${interfaces[@]}" )"
-    while [[ -z ${target_interface} ]]; do
-        echo
-        echo -n "> "
-        read target_interface
-        if [[ -z ${target_interface} ]]; then
-            echo
-            echo "Please enter a valid interface."
-            continue
-        fi
-        if ! grep -qw "${target_interface}" <<<"${interfaces[@]}"; then
-            target_interface=""
-            echo
-            echo "Please enter a valid interface."
-            continue
-        fi
-        echo
-    done
-
-    echo -n "3b) Is a tagged vLAN required for the primary network interface? [y/N] "
-    read vlans_req
-    if [[ ${vlans_req} == 'y' || ${vlans_req} == 'Y' ]]; then
-        echo
-        echo "Please enter the vLAN ID for the interface."
-        while [[ -z ${vlan_id} ]]; do
-            echo
-            echo -n "> "
-            read vlan_id
-            if [[ -z ${vlan_id} ]]; then
-                echo
-                echo "Please enter a numeric vLAN ID."
-                continue
-            fi
-        done
-        echo
-    else
-        vlan_id=""
-        echo
-    fi
-
-    echo "3c) Please enter the IP address, in CIDR format [X.X.X.X/YY], of the primary"
-    echo "network interface. Leave blank for DHCP configuration of the interface on boot."
-    echo
-    echo -n "> "
-    read target_ipaddr
-    if [[ -n ${target_ipaddr} ]]; then
-        target_netformat="static"
-        echo
-        echo "3d) Please enter the default gateway IP address of the primary"
-        echo "network interface."
-        while [[ -z ${target_defgw} ]]; do
-            echo
-            echo -n "> "
-            read target_defgw
-            if [[ -z ${target_defgw} ]]; then
-                echo
-                echo "Please enter a default gateway; the installer requires Internet access."
-                continue
-            fi
-            echo
-        done
-    else
-        target_netformat="dhcp"
-        echo
-    fi
-
-    echo -n "Bringing up primary network interface in ${target_netformat} mode... "
-    case ${target_netformat} in
-        'static')
-            if [[ -n ${vlan_id} ]]; then
-                modprobe 8021q >&2
-                vconfig add ${target_interface} ${vlan_id} >&2
-                vlan_interface=${target_interface}.${vlan_id}
-                ip link set ${target_interface} up >&2 || true
-                ip link set ${vlan_interface} up >&2 || true
-                ip address add ${target_ipaddr} dev ${vlan_interface} >&2 || true
-                ip route add default via ${target_defgw} >&2 || true
-                formatted_ipaddr="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Host address/{ print $NF }' )"
-                formatted_netmask="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Network mask/{ print $NF }' )"
-                real_interface="${vlan_interface}"
-                target_interfaces_is="static-vlan"
-            else
-                ip link set ${target_interface} up >&2 || true
-                ip address add ${target_ipaddr} dev ${target_interface} >&2 || true
-                ip route add default via ${target_defgw} >&2 || true
-                formatted_ipaddr="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Host address/{ print $NF }' )"
-                formatted_netmask="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Network mask/{ print $NF }' )"
-                real_interface="${target_interface}"
-                target_interfaces_is="static-raw"
-            fi
-            cat <<EOF >/etc/resolv.conf
-nameserver 8.8.8.8
-EOF
-        ;;
-        'dhcp')
-            if [[ -n ${vlan_id} ]]; then
-                modprobe 8021q >&2
-                vconfig add ${target_interface} ${vlan_id} &>/dev/null
-                vlan_interface=${target_interface}.${vlan_id}
-                dhclient ${vlan_interface} >&2
-                real_interface="${vlan_interface}"
-                target_interfaces_is="dhcp-vlan"
-            else
-                dhclient ${target_interface} >&2
-                real_interface="${target_interface}"
-                target_interfaces_is="dhcp-raw"
-            fi
-        ;;
-    esac
-    echo "done."
-    echo
-
-    echo -n "Waiting for networking to become ready... "
-    while ! ping -q -c 1 8.8.8.8 &>/dev/null; do
-        sleep 1
-    done
-    echo "done."
-    echo
-
-    echo "4a) Please enter an alternate Debian release codename for the system if desired."
-    echo "    Supported: ${supported_debrelease}"
-    echo "    Default: ${default_debrelease}"
-    while [[ -z ${debrelease} ]]; do
-        echo
-        echo -n "> "
-        read debrelease
-        if [[ -z ${debrelease} ]]; then
-            debrelease="${default_debrelease}"
-        fi
-        if ! grep -qw "${debrelease}" <<<"${supported_debrelease}"; then
-            debrelease=""
-            echo
-            echo "Please enter a valid release."
-            continue
-        fi
-        echo
-    done
-
-    echo "4b) Please enter an HTTP URL for an alternate Debian mirror if desired."
-    echo "    Default: ${default_debmirror}"
-    while [[ -z ${debmirror} ]]; do
-        echo
-        echo -n "> "
-        read debmirror
-        if [[ -z ${debmirror} ]]; then
-            debmirror="${default_debmirror}"
-        fi
-        if ! wget -O /dev/null ${debmirror}/dists/${debrelease}/Release &>/dev/null; then
-            debmirror=""
-            echo
-            echo "Please enter a valid Debian mirror URL."
-            continue
-        fi
-        echo
-        echo "Repository mirror '${debmirror}' successfully validated."
-        echo
-    done
-
-    target_keys_method="wget"
-    echo "5) Please enter an HTTP URL containing a text list of SSH authorized keys to"
-    echo "fetch. These keys will be allowed access to the deployment user 'XXDEPLOYUSER'"
-    echo "via SSH."
-    echo ""
-    echo "Leave blank to bypass this and use a password instead."
-    echo
-    echo -n "> "
-    read target_keys_path
-    if [[ -z ${target_keys_path} ]]; then
-        echo
-        echo "No SSH keys URL specified. Falling back to password configuration."
-        echo
-        echo "5) Please enter a password (hidden), twice, for the deployment user '${target_deploy_user}'."
-        while [[ -z "${target_password}" ]]; do
-            echo
-            echo -n "> "
-            read -s target_password_1
-            echo
-            echo -n "> "
-            read -s target_password_2
-            echo
-            if [[ -n "${target_password_1}" && "${target_password_1}" -eq "${target_password_2}" ]]; then
-                target_password="${target_password_1}"
-            else
-                echo
-                echo "The specified passwords do not match or are empty."
-            fi
-        done
-    else
-        while ! wget -O /dev/null ${target_keys_path} &>/dev/null; do
-            echo
-            echo "Please enter a valid SSH keys URL."
-            echo
-            echo -n "> "
-            read target_keys_path
-        done
-        echo
-        echo "SSH key source '${target_keys_path}' successfully validated."
-    fi
-    echo
-}    
-
-case ${install_option} in
-    on)
-        seed_config
-    ;;
-    *)
-        interactive_config
-    ;;
-esac
-
-titlestring_text="| Proceeding with installation of host '${target_hostname}'. |"
-titlestring_len="$(( $( wc -c <<<"${titlestring_text}" ) - 2 ))"
-for i in $( seq 0 ${titlestring_len} ); do echo -n "-"; done; echo
-echo "${titlestring_text}"
-for i in $( seq 0 ${titlestring_len} ); do echo -n "-"; done; echo
-echo
-
-### Script begins ###
-echo "LOGFILE: ${logfile}"
-echo
-
-exec 1> >( tee -ia ${logfile} )
-exec 2> >( tee -ia ${logfile} >/dev/null )
-set -o errexit
-set -o xtrace
-
-case ${install_option} in
-    on)
-        seed_checkin start
-    ;;
-    *)
-        # noop
-        true
-    ;;
-esac
-
-cleanup() {
-    set +o errexit
-    echo -n "Cleaning up... "
-    umount ${target}/tmp >&2
-    umount ${target}/run >&2
-    umount ${target}/sys >&2
-    umount ${target}/proc >&2
-    umount ${target}/dev/pts >&2
-    umount ${target}/dev >&2
-    umount ${target}/var/lib/ceph >&2
-    umount ${target}/var/lib/zookeeper >&2
-    umount ${target}/boot/efi >&2
-    umount ${target}/boot >&2
-    umount ${target} >&2
-    vgchange -an >&2
-    rmdir ${target} >&2
-    rm ${lockfile}
-    echo "done."
-    echo
-
-    case ${install_option} in
-        on)
-            respawn
-        ;;
-        *)
-            # noop
-            true
-        ;;
-    esac
-}
-trap cleanup EXIT
-
-echo -n "Determining partition sizes... "
-blockdev_size_bytes="$( blockdev --getsize64 ${target_disk} )"
-blockdev_size_gbytes="$(( ${blockdev_size_bytes} / 1024 / 1024 / 1024 - 1))"
-if [[ ${blockdev_size_gbytes} -ge 100 ]]; then
-    # Optimal sized system disk (>=100GB), use large partitions
-    size_root_lv="32"
-    size_ceph_lv="8"
-    size_zookeeper_lv="32"
-    size_swap_lv="16"
-    echo "found large disk (${blockdev_size_gbytes} >= 100GB), using optimal partition sizes."
-else
-    # Minimum sized disk (>=30GB), use small partitions
-    size_root_lv="8"
-    size_ceph_lv="4"
-    size_zookeeper_lv="8"
-    size_swap_lv="8"
-    echo "found small disk (${blockdev_size_gbytes} < 100GB), using small partition sizes."
-fi
-
-echo -n "Disabing existing volume groups... "
-vgchange -an >&2 || true
-echo "done."
-
-blockcheck() {
-    # Use for testing only
-    if [[ -n ${SKIP_BLOCKCHECK} ]]; then
-        return
-    fi
-
-    # Determine optimal block size for zeroing
-    exponent=16
-    remainder=1
-    while [[ ${remainder} -gt 0 && ${exponent} -gt 0 ]]; do
-        exponent=$(( ${exponent} - 1 ))
-        size=$(( 2**9 * 2 ** ${exponent} ))
-        count=$(( ${blockdev_size_bytes} / ${size} ))
-        remainder=$(( ${blockdev_size_bytes} - ${count} * ${size} ))
-    done
-    if [[ ${remainder} -gt 0 ]]; then
-        echo "Failed to find a suitable block size for wiping... skipping."
-        return
-    fi
-
-    echo -n "Checking if block device '${target_disk}' is already wiped... "
-    if ! cmp --silent --bytes ${blockdev_size_bytes} /dev/zero ${target_disk}; then
-        echo "false."
-        echo "Wiping block device '${target_disk}' (${count} blocks of ${size} bytes)..."
-        dd if=/dev/zero of=${target_disk} bs=${size} count=${count} oflag=direct status=progress 2>&1
-    else
-        echo "done."
-    fi
-}
-blockcheck
-
-echo -n "Preparing block device '${target_disk}'... "
-# New GPT, part 1 64MB ESP, part 2 960MB BOOT, part 3 inf LVM PV
-echo -e "o\ny\nn\n1\n\n64M\nEF00\nn\n2\n\n960M\n8300\nn\n3\n\n\n8E00\nw\ny\n" | gdisk ${target_disk} >&2
-echo "done."
-
-echo -n "Rescanning disks... "
-partprobe >&2 || true
-echo "done."
-
-echo -n "Creating LVM PV... "
-yes | pvcreate -ffy ${target_disk}3 >&2
-echo "done."
-
-echo -n "Creating LVM VG 'vgx'... "
-yes | vgcreate vgx ${target_disk}3 >&2
-echo "done."
-
-echo -n "Creating root logical volume (${size_root_lv}GB)... "
-yes | lvcreate -L ${size_root_lv}G -n root vgx >&2
-echo "done."
-echo -n "Creating filesystem on root logical volume (ext4)... "
-yes | mkfs.ext4 /dev/vgx/root >&2
-echo "done."
-
-echo -n "Creating ceph logical volume (${size_ceph_lv}GB)... "
-yes | lvcreate -L ${size_ceph_lv}G -n ceph vgx >&2
-echo "done."
-echo -n "Creating filesystem on ceph logical volume (ext4)... "
-yes | mkfs.ext4 /dev/vgx/ceph >&2
-echo "done."
-
-echo -n "Creating zookeeper logical volume (${size_zookeeper_lv}GB)... "
-yes | lvcreate -L ${size_zookeeper_lv}G -n zookeeper vgx >&2
-echo "done."
-echo -n "Creating filesystem on zookeeper logical volume (ext4)... "
-yes | mkfs.ext4 /dev/vgx/zookeeper >&2
-echo "done."
-
-echo -n "Creating swap logical volume (${size_swap_lv}GB)... "
-yes | lvcreate -L ${size_swap_lv}G -n swap vgx >&2
-echo "done."
-echo -n "Creating swap space on swap logical volume... "
-yes | mkswap -f /dev/vgx/swap >&2
-echo "done."
-
-echo -n "Creating filesystem on boot partition (ext2)... "
-yes | mkfs.ext2 ${target_disk}2 >&2
-echo "done."
-
-echo -n "Creating filesystem on ESP partition (vfat)... "
-yes | mkdosfs -F32 ${target_disk}1 >&2
-echo "done."
-
-vgchange -ay >&2
-target="/tmp/target"
-mkdir -p ${target} >&2
-echo -n "Mounting disks on temporary target '${target}'... "
-mount /dev/vgx/root ${target} >&2
-mkdir -p ${target}/boot >&2
-chattr +i ${target}/boot >&2
-mount ${target_disk}2 ${target}/boot >&2
-mkdir -p ${target}/boot/efi >&2
-chattr +i ${target}/boot/efi >&2
-mount ${target_disk}1 ${target}/boot/efi >&2
-mkdir -p ${target}/var/lib/ceph >&2
-chattr +i ${target}/var/lib/ceph >&2
-mount /dev/vgx/ceph ${target}/var/lib/ceph >&2
-mkdir -p ${target}/var/lib/zookeeper >&2
-chattr +i ${target}/var/lib/zookeeper >&2
-mount /dev/vgx/zookeeper ${target}/var/lib/zookeeper >&2
-mkdir -p ${target}/tmp >&2
-chattr +i ${target}/tmp >&2
-mount -t tmpfs tmpfs ${target}/tmp >&2
-echo "done."
-
-echo -n "Running debootstrap install... "
-echo "Command: debootstrap --include=${inclpkglist} ${debrelease} ${target}/ ${debmirror}" >&2
-debootstrap --include=${inclpkglist} ${debrelease} ${target}/ ${debmirror} >&2
-echo "done."
-
-echo -n "Adding non-free repository (firmware, etc.)... "
-mkdir -p ${target}/etc/apt/sources.list.d/ >&2
-echo "deb ${debmirror} ${debrelease} contrib non-free" | tee -a ${target}/etc/apt/sources.list >&2
-chroot ${target} apt update >&2
-echo "done."
-
-echo -n "Installing supplemental packages... "
-chroot ${target} apt install -y --no-install-recommends $( sed 's/,/ /g' <<<"${suppkglist}" ) >&2
-echo "done."
-
-# Determine the bypath name of the specified system disk
-for disk in /dev/disk/by-path/*; do
-    bypathlink="$( realpath ${disk} | awk -F'/' '{ print $NF }' )"
-    enteredname="$( awk -F'/' '{ print $NF }' <<<"${target_disk}" )"
-    if [[ ${bypathlink} == ${enteredname} ]]; then
-        bypath_disk="${disk}"
-    fi
-done
-
-echo -n "Adding fstab entries... "
-echo "/dev/mapper/vgx-root / ext4 errors=remount-ro 0 1" | tee -a ${target}/etc/fstab >&2
-echo "/dev/mapper/vgx-ceph /var/lib/ceph ext4 errors=remount-ro 0 2" | tee -a ${target}/etc/fstab >&2
-echo "/dev/mapper/vgx-zookeeper /var/lib/zookeeper ext4 errors=remount-ro 0 2" | tee -a ${target}/etc/fstab >&2
-echo "/dev/mapper/vgx-swap none swap sw 0 0" | tee -a ${target}/etc/fstab >&2
-echo "${bypath_disk}-part2 /boot ext2 defaults 0 2" | tee -a ${target}/etc/fstab >&2
-echo "${bypath_disk}-part1 /boot/efi vfat umask=0077 0 2" | tee -a ${target}/etc/fstab >&2
-echo "tmpfs /tmp tmpfs defaults 0 0" | tee -a ${target}/etc/fstab >&2
-echo "done."
-
-seed_interfaces_segment() {
-    # A seed install is always "dhcp-raw" since the provisioner is always a dedicated, access port
-    target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet dhcp\npost-up /etc/network/pvcprovisionerd.checkin.sh \$IFACE"
-}
-
-interactive_interfaces_segment() {
-    case ${target_interfaces_is} in
-        static-vlan)
-            target_interfaces_block="auto ${vlan_interface}\niface ${vlan_interface} inet ${target_netformat}\n\tvlan_raw_device ${target_interface}\n\taddress ${formatted_ipaddr}\n\tnetmask ${formatted_netmask}\n\tgateway ${target_defgw}"
-        ;;
-        static-raw)
-            target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet ${target_netformat}\n\taddress ${formatted_ipaddr}\n\tnetmask ${formatted_netmask}\n\tgateway ${target_defgw}"
-        ;;
-        dhcp-vlan)
-            target_interfaces_block="auto ${vlan_interface}\niface ${vlan_interface} inet ${target_netformat}\n\tvlan_raw_device${target_interface}"
-        ;;
-        dhcp-raw)
-            target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet ${target_netformat}"
-        ;;
-    esac
-}
-
-echo -n "Creating bootstrap interface segment... "
-case ${install_option} in
-    on)
-        seed_interfaces_segment
-    ;;
-    *)
-        interactive_interfaces_segment
-    ;;
-esac
-echo "done."
-
-echo -n "Adding bootstrap interface segment... "
-echo -e "${target_interfaces_block}" | tee ${target}/etc/network/interfaces.d/${target_interface} >&2
-echo "done."
-
-case ${install_option} in
-    on)
-        echo -n "Creating bond interface segment... "
-        bond_interfaces="$( ip -br link show | grep -E -o '^e[a-z]+[0-9]+[a-z0-9]*' | grep -v "^${target_interface}$" | tr '\n' ' ' )"
-        bond_interfaces_block="auto bond0\niface bond0 inet manual\n\tbond-mode 802.3ad\n\tbond-slaves ${bond_interfaces}\n\tpost-up ip link set mtu 9000 dev \$IFACE"
-        echo "done."
-
-        echo -n "Adding bond interface segment... "
-        echo -e "${bond_interfaces_block}" | tee ${target}/etc/network/interfaces.d/bond0 >&2
-        echo "done."
-
-        echo -n "Adding bootstrap interface post-up checkin script... "
-        cat <<EOF | tee ${target}/etc/network/pvcprovisionerd.checkin.sh >&2
-#!/usr/bin/env bash
-target_interface=\${1}
-pvcbootstrapd_checkin_uri="${pvcbootstrapd_checkin_uri}"
-macaddr=\$( ip -br link show \${target_interface} | awk '{ print \$3 }' )
-ipaddr=\$( ip -br address show \${target_interface} | awk '{ print \$3 }' | awk -F '/' '{ print \$1 }' )
-bmc_macaddr=\$( ipmitool lan print | grep 'MAC Address  ' | awk '{ print $NF }' )
-bmc_ipaddr=\$( ipmitool lan print | grep 'IP Address  ' | awk '{ print $NF }' )
-if [[ -f /etc/pvc-install.pvcbootstrapd_completed ]]; then
-    # The third boot, when all pvcprovisionerd plugins have been run (this script will henceforth do nothing)
-    action="system-boot_bootstrap-completed"
-elif [[ -f /etc/pvc-install.base && -f /etc/pvc-install.pvc ]]; then
-    # The second boot, when Ansible has been run and plugins running
-    action="system-boot_ansible-completed"
-    touch /etc/pvc-install.pvcbootstrapd_completed
-else
-    # The first boot, when Ansible has not been run yet
-    action="system-boot_initial"
-fi
-curl -X POST \
-    -H "Content-Type: application/json" \
-    -d "{\"action\":\"\${action}\",\"macaddr\":\"\${macaddr}\",\"ipaddr\":\"\${ipaddr}\",\"hostname\":\"\$( hostname -s )\",\"bmc_macaddr\":\"\${bmc_macaddr}\",\"bmc_ipaddr\":\"\${bmc_ipaddr}\"}" \
-    \${pvcbootstrapd_checkin_uri}
-
-if [[ -f /etc/pvc-install.pvcbootstrapd_completed ]]; then
-    # Clean up the bootstrap interface and this script
-    rm /etc/network/interfaces.d/\${target_interface}
-    rm \$0
-    exit 0
-fi
-EOF
-        chmod +x ${target}/etc/network/pvcprovisionerd.checkin.sh
-        echo "done."
-    ;;
-    *)
-        # noop
-        true
-    ;;
-esac
-echo "done."
-
-echo -n "Setting temporary 'root' password... "
-echo "root:${root_password}" | chroot ${target} chpasswd >&2
-echo "done."
-
-echo -n "Adding deployment user... "
-mv ${target}/home ${target}/var/home >&2
-chroot ${target} useradd -u 200 -d /var/home/${target_deploy_user} -m -s /bin/bash -g operator -G sudo ${target_deploy_user} >&2
-chroot ${target} mkdir -p /var/home/${target_deploy_user}/.ssh
-if [[ -n ${target_keys_path} ]]; then
-    case ${target_keys_method} in
-        wget)
-            wget -O ${target}/var/home/${target_deploy_user}/.ssh/authorized_keys ${target_keys_path}
-        ;;
-        tftp)
-            tftp -m binary "${seed_host}" -c get "${target_keys_path}" ${target}/var/home/${target_deploy_user}/.ssh/authorized_keys
-        ;;
-    esac
-    chroot ${target} chmod 0600 /var/home/${target_deploy_user}/.ssh/authorized_keys
-    chroot ${target} chown -R ${target_deploy_user}:operator /var/home/${target_deploy_user}
-else
-    echo "${target_deploy_user}:${target_password}" | chroot ${target} chpasswd >&2
-fi
-echo "done."
-
-echo -n "Setting NOPASSWD for sudo group... "
-sed -i 's/^%sudo\tALL=(ALL:ALL) ALL/%sudo\tALL=(ALL:ALL) NOPASSWD: ALL/' ${target}/etc/sudoers
-echo "done."
-
-echo -n "Setting /etc/issue generator... "
-mkdir -p ${target}/etc/network/if-up.d >&2
-echo -e "#!/bin/sh
-IP=\"\$( ip -4 addr show dev ${target_interface} | grep inet | awk '{ print \$2 }' | head -1 )\"
-cat <<EOF >/etc/issue
-Debian GNU/Linux 10 \\\\n \\\\l
-
-Bootstrap interface IP address: \$IP
-
-EOF" | tee ${target}/etc/network/if-up.d/issue-gen >&2
-chmod +x ${target}/etc/network/if-up.d/issue-gen 1>&2
-echo "done."
-
-echo -n "Generating host rsa and ed25519 keys... "
-rm ${target}/etc/ssh/ssh_host_*_key* >&2
-chroot ${target} ssh-keygen -t rsa -N "" -f /etc/ssh/ssh_host_rsa_key >&2
-chroot ${target} ssh-keygen -t ed25519 -N "" -f /etc/ssh/ssh_host_ed25519_key >&2
-echo "done."
-
-echo -n "Setting hostname... "
-echo "${target_hostname}" | tee ${target}/etc/hostname >&2
-echo "done."
-
-echo -n "Setting resolv.conf... "
-echo "nameserver 8.8.8.8" | tee ${target}/etc/resolv.conf >&2
-echo "done."
-
-echo -n "Installing GRUB bootloader... "
-mount --bind /dev ${target}/dev >&2
-mount --bind /dev/pts ${target}/dev/pts >&2
-mount --bind /proc ${target}/proc >&2
-mount --bind /sys ${target}/sys >&2
-mount --bind /run ${target}/run >&2
-if [[ -d /sys/firmware/efi ]]; then
-    bios_target="x86_64-efi"
-else
-    bios_target="i386-pc"
-fi
-cat <<EOF | tee ${target}/etc/default/grub >&2
-GRUB_DEFAULT=0
-GRUB_TIMEOUT=5
-GRUB_DISTRIBUTOR="Parallel Virtual Cluster (PVC) - Debian"
-GRUB_CMDLINE_LINUX="console=hvc0 console=tty0 console=ttyS0,115200"
-GRUB_TERMINAL_INPUT="console serial"
-GRUB_TERMINAL_OUTPUT="gfxterm serial"
-GRUB_SERIAL_COMMAND="serial --unit=0 --unit=1 --speed=115200"
-EOF
-chroot ${target} grub-install --force --target=${bios_target} ${target_disk} >&2
-chroot ${target} grub-mkconfig -o /boot/grub/grub.cfg >&2
-echo "done."
-
-seed_postinst() {
-    cleanup
-    echo "Temporary root password: ${root_password}"
-    seed_checkin end
-
-    echo -n "Rebooting in 10 seconds..."
-    i=10
-    while [[ ${i} -gt 0 ]]; do
-        sleep 1
-        i=$(( ${1} - 1 ))
-        echo -n "."
-    done
-    echo
-    reboot
-}
-
-interactive_postinst() {
-    set +o errexit
-    echo
-    echo -n "Edit the /etc/network/interfaces file in the target before completing setup? If you plan to use bonding, it is prudent to set this up in basic form now! [y/N] "
-    read edit_ifaces
-    if [[ ${edit_ifaces} == 'y' || ${edit_ifaces} == 'Y' ]]; then
-        vim ${target}/etc/network/interfaces
-    fi
-    echo
-
-    echo -n "Launch a chroot shell in the target environment? [y/N] "
-    read launch_chroot
-    if [[ ${launch_chroot} == 'y' || ${edit_ifaces} == 'Y' ]]; then
-        echo "Type 'exit' or Ctrl+D to exit chroot."
-        chroot ${target} /bin/bash
-    fi
-
-    cleanup
-
-    echo "-------------------------------------------------------------------------------------"
-    echo "| PVC node installation finished. Next steps:                                       |"
-    echo "| 1. Press <enter> to reboot the system.                                            |"
-    echo "| 2. Boot the system verify SSH access (IP shown on login screen).                  |"
-    echo "| 3. Proceed with system deployment via PVC Ansible.                                |"
-    echo "|                                                                                   |"
-    echo "| The INSECURE temporary root password if the system will not boot is: ${root_password}     |"
-    echo "-------------------------------------------------------------------------------------"
-    echo
-    read
-
-    reboot
-}
-
-case ${install_option} in
-    on)
-        seed_postinst
-    ;;
-    *)
-        interactive_postinst
-    ;;
-esac

install.sh

@@ -0,0 +1 @@
+templates/install.sh

templates/2000-remove-root-pw.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "I: remove root password"
+passwd --delete root

templates/9990-initramfs-tools.sh

@@ -0,0 +1,69 @@
+#!/bin/sh
+
+#set -e
+
+log_wait_msg ()
+{
+	# Print a message and wait for enter
+	if [ -x /bin/plymouth ] && plymouth --ping
+	then
+		plymouth message --text="$@"
+		plymouth watch-keystroke | read nunya
+	fi
+
+	_log_msg "Waiting: ${@} ... \n"
+}
+
+# Override maybe_break from scripts/functions
+maybe_break()
+{
+	if [ "${break}" = "$1" ]; then
+		# Call original panic
+		. /scripts/functions
+		panic "Spawning shell within the initramfs"
+	fi
+}
+
+# Override panic from scripts/functions
+panic()
+{
+	for _PARAMETER in ${LIVE_BOOT_CMDLINE}
+	do
+		case "${_PARAMETER}" in
+			panic=*)
+				panic="${_PARAMETER#*panic=}"
+				;;
+		esac
+	done
+
+	DEB_1="\033[1;31m .''\`.  \033[0m"
+	DEB_2="\033[1;31m: :'  : \033[0m"
+	DEB_3="\033[1;31m\`. \`'\`  \033[0m"
+	DEB_4="\033[1;31m  \`-    \033[0m"
+
+	LIVELOG="\033[1;37m/boot.log\033[0m"
+	DEBUG="\033[1;37mdebug\033[0m"
+
+	# Reset redirections to avoid buffering
+	exec 1>&6 6>&-
+	exec 2>&7 7>&-
+	kill ${tailpid}
+
+	printf "\n\n"
+	printf "  \033[1;37mBOOT FAILED!\033[0m\n"
+	printf "\n"
+	printf "  The PVC installer image failed to boot.\n\n"
+	printf "The error message was:\n\n    "
+	printf "  $@\n\n"
+
+    # Reboot system
+    printf "System will reboot in 30 seconds. Press any key to spawn a shell instead.\n"
+    if ! read -t 30; then
+        sleep 30
+        reboot -f
+    fi
+
+	# Call original panic
+	. /scripts/functions
+    panic "$@"
+}

templates/boot.pxe

@@ -0,0 +1,24 @@
+#!ipxe
+
+# Set global variables
+set root-url tftp://${next-server}
+set kernel vmlinuz
+set initrd initrd.img
+
+# Set kernel command line parameters
+set imgargs-base vga=normal nomodeset boot=live components ethdevice-timeout=600 timezone=America/Toronto fetch=${root-url}/filesystem.squashfs username=root
+set imgargs-pvcinstall pvcinstall.preseed=on pvcinstall.seed_host=${next-server} pvcinstall.seed_file=/host/mac-${mac:hexraw}.preseed
+
+# Load per-host kernel command line parameters (should contain ${imgargs-host} if present)
+chain --autofree ${root-url}/host/mac-${mac:hexraw}.ipxe ||
+
+# Set default menu options
+set menu-default pvc-installer
+set submenu-default pvc-installer
+
+# PVC installer menu option
+:pvc-installer
+kernel ${root-url}/vmlinuz
+initrd ${root-url}/initrd.img
+imgargs vmlinuz ${imgargs-host} ${imgargs-base} ${imgargs-pvcinstall}
+boot

templates/firmware.list.chroot

@@ -0,0 +1 @@
+firmware-bnx2 firmware-bnx2x

templates/getty-override.conf

@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=-/sbin/agetty -o '-p -- \\u' --autologin root --noclear %I $TERM

templates/hostname

@@ -0,0 +1 @@
+pvc-live-installer

templates/install.sh

@@ -0,0 +1,892 @@
+#!/usr/bin/env bash
+
+logfile="/tmp/pvc-install.log"
+lockfile="/run/pvc-install.lock"
+
+if [[ $( whoami ) != "root" ]]; then
+    echo "STOP! This script is designed to run as root within the installer only!"
+    echo "To build a PVC installer ISO file, use './buildiso.sh'."
+    echo "To build a PVC installer PXE root, use './buildpxe.sh'."
+    exit 1
+fi
+
+echo
+active_ttys=( $( w | grep "^root" | awk '{ print $2 }' ) )
+echo "Active TTYs: ${active_ttys[@]}"
+this_tty=$( tty | sed -e "s:/dev/::" )
+echo "This TTY: ${this_tty}"
+echo
+
+if [[ ${#active_ttys} -gt 1 ]]; then
+    if [[ "${active_ttys[@]}" =~ "ttyS" ]]; then
+        if grep -q -E -o "tty[0-9]+" <<<"${this_tty}"; then
+            echo "Found more than one TTY and at least one serial TTY!"
+            echo -n "If you wish to run the installer on this graphical TTY instead of the serial TTY, press enter within 15 seconds... "
+            if ! read -t 15; then
+                echo "timeout."
+                exit 0
+            fi
+        else
+            echo "Found more than one TTY!"
+            echo -n "Waiting for other TTYs to time out... "
+            sleep $(( 16 + $( grep -E -o '[0-9]+' <<<"${this_tty}" ) ))
+            echo "done."
+        fi
+    else
+        echo "Found more than one graphical TTY!"
+        echo -n "If you wish to run the installer on this graphical TTY, press enter within 60 seconds... "
+        if ! read -t 60; then
+            echo "timeout."
+            echo "To launch the installer again on this TTY, run '/install.sh'."
+            exit 0
+        fi
+    fi
+fi
+if [[ -f ${lockfile} ]]; then
+    echo "Aborting installer due to lockfile presence: $( cat ${lockfile} )."
+    exit 0
+fi
+printf "PID $$ on TTY ${this_tty}" > ${lockfile}
+echo
+
+iso_name="XXDATEXX"
+target_deploy_user="XXDEPLOYUSERXX"
+
+supported_debrelease="buster bullseye"
+default_debrelease="buster"
+default_debmirror="http://debian.mirror.rafal.ca/debian"
+
+inclpkglist="lvm2,parted,gdisk,grub-pc,grub-efi-amd64,linux-image-amd64,sudo,vim,gpg,gpg-agent,aptitude,openssh-server,vlan,ifenslave,python3,ca-certificates,curl"
+suppkglist="firmware-linux,firmware-linux-nonfree,firmware-bnx2,firmware-bnx2x,ntp"
+
+# DANGER - THIS PASSWORD IS PUBLIC
+# It should be used ONLY immediately after booting the PVC node in a SECURE environment
+# to facilitate troubleshooting of a failed boot. It should NOT be exposed to the Internet,
+# and it should NOT be left in place after system configuration. The PVC Ansible deployment
+# roles will overwrite it by default during configuration.
+root_password="hCb1y2PF"
+
+# Respawn function
+respawn() (
+    echo "Respawning..."
+    $0 & disown
+)
+
+# Checkin function
+seed_checkin() (
+    case ${1} in
+        start)
+            action="install-start"
+        ;;
+        end)
+            action="install-complete"
+        ;;
+    esac
+    macaddr=$( ip -br link show ${target_interface} | awk '{ print $3 }' )
+    ipaddr=$( ip -br address show ${target_interface} | awk '{ print $3 }' | awk -F '/' '{ print $1 }' )
+    curl -X POST \
+        -H "Content-Type: application/json" \
+        -d "{\"action\":\"${action}\",\"macaddr\":\"${macaddr}\",\"ipaddr\":\"${ipaddr}\",\"hostname\":\"${target_hostname}\",\"bmc_macaddr\":\"${bmc_macaddr}\",\"bmc_ipaddr\":\"${bmc_ipaddr}\"}" \
+        ${pvcbootstrapd_checkin_uri}
+)
+
+# Obtain the preseed options from the kernel command line
+install_option=""
+seed_host=""
+seed_file=""
+kernel_cmdline=( $( cat /proc/cmdline ) )
+for option in ${kernel_cmdline[@]}; do
+    case ${option} in
+        pvcinstall.preseed=*)
+            install_option=${option#pvcinstall.preseed=}
+        ;;
+        pvcinstall.seed_host=*)
+            seed_host=${option#pvcinstall.seed_host=}
+        ;;
+        pvcinstall.seed_file=*)
+            seed_file=${option#pvcinstall.seed_file=}
+        ;;
+    esac
+done
+
+seed_config() {
+    # Get IPMI BMC MAC for checkings
+    bmc_macaddr="$( ipmitool lan print | grep 'MAC Address  ' | awk '{ print $NF }' )"
+    bmc_ipaddr="$( ipmitool lan print | grep 'IP Address  ' | awk '{ print $NF }' )"
+
+    # Perform DHCP on all interfaces to come online
+    for interface in $( ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do
+        ip link set ${interface} up
+        pgrep dhclient || dhclient ${interface}
+    done
+
+    # Fetch the seed config
+    tftp -m binary "${seed_host}" -c get "${seed_file}" /tmp/install.seed
+
+    . /tmp/install.seed || exit 1
+
+    # Handle the target interface
+    target_route="$( ip route show to match ${seed_host} | grep 'scope link' )"
+    target_interface="$( grep -E -o 'e[a-z]+[0-9]+[a-z0-9]*' <<<"${target_route}" )"
+
+    # Handle the target disk
+    if [[ -n ${target_disk_path} ]]; then
+        target_disk="$( realpath ${target_disk_path} )"
+    else
+        # Find the (first) disk with the given model
+        for disk in /dev/sd?; do
+            disk_model="$( fdisk -l ${disk} | grep 'Disk model:' | sed 's/Disk model: //g' )"
+            if [[ ${disk_model} == ${target_disk_model} ]]; then
+                target_disk="${disk}"
+                break
+            fi
+        done
+    fi
+    if [[ ! -b ${target_disk} ]]; then
+        echo "Invalid disk or disk not found!"
+        exit 1
+    fi
+}
+
+interactive_config() {
+    clear
+
+    echo "--------------------------------------------------------"
+    echo "| PVC Node installer (${iso_name}) |"
+    echo "--------------------------------------------------------"
+    echo
+    echo "This LiveCD will install a PVC node base system ready for bootstrapping with 'pvc-ansible'."
+    echo
+    echo "* NOTE: If you make a mistake and need to restart the installer while answering"
+    echo "        the questions below, you may do so by typing ^C to cancel the script,"
+    echo "        then re-running it by calling /install.sh in the resulting shell."
+    echo
+
+    echo "1) Please enter a fully-qualified hostname for the system. This should match the hostname"
+    echo "in the 'pvc-ansible' inventory."
+    while [[ -z ${target_hostname} ]]; do
+        echo
+        echo -n "> "
+        read target_hostname
+        if [[ -z ${target_hostname} ]]; then
+            echo
+            echo "Please enter a hostname."
+            continue
+        fi
+        echo
+    done
+
+    disks="$(
+        for disk in /dev/sd? /dev/nvme?n?; do
+            if [[ ! -b ${disk} ]]; then
+                continue
+            fi
+            disk_data="$( fdisk -l ${disk} 2>/dev/null )"
+            echo -n "${disk}"
+            echo -en "\t$( grep "^Disk model:" <<<"${disk_data}" | awk '{ $1=""; print $0 }' )"
+            echo -en "  $( grep "^Disk ${disk}:" <<<"${disk_data}" | awk '{ $1=""; $2="size:"; print $0 }' )"
+            echo
+        done
+    )"
+
+    echo "2) Please enter the disk to install the PVC base system to. This disk will be"
+    echo "wiped, an LVM PV created on it, and the system installed to this LVM."
+    echo "* NOTE: PVC requires a disk of at least 30GB to be installed to, and 100GB is the"
+    echo "recommended minimum size for optimal production partition sizes."
+    echo "* NOTE: For optimal performance, this disk should be high-performance flash (SSD, etc.)."
+    echo "* NOTE: This disk should be a RAID-1 volume configured in hardware, or a durable storage"
+    echo "device, maximum redundancy and resiliency."
+    echo
+    echo "Available disks:"
+    echo
+    echo -e "$( sed 's/\(.*\)/  \1/' <<<"${disks[@]}" )"
+    while [[ ! -b ${target_disk} ]]; do
+        echo
+        echo -n "> "
+        read target_disk
+        if [[ ! -b ${target_disk} ]]; then
+            echo
+            echo "Please enter a valid target disk."
+            continue
+        fi
+        blockdev_size_gbytes="$(( $( blockdev --getsize64 ${target_disk} ) / 1024 / 1024 / 1024 - 1))"
+        if [[ ${blockdev_size_gbytes} -lt 30 ]]; then
+            target_disk=""
+            echo
+            echo "The specified disk is too small (<30 GB) to use as a PVC system disk."
+            echo "Please choose an alternative disk."
+            continue
+        fi
+        echo
+    done
+
+    for interface in $( ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do
+        ip link set ${interface} up
+    done
+    sleep 2
+    interfaces="$(
+        ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2"\t"$3 }' | tr -d ':'
+    )"
+    echo "3a) Please enter the primary network interface for external connectivity. If"
+    echo "no entries are shown here, ensure a cable is connected, then restart the"
+    echo "installer with ^C and '/install.sh'."
+    echo
+    echo "Available interfaces:"
+    echo
+    echo -e "$( sed 's/\(.*\)/  \1/' <<<"${interfaces[@]}" )"
+    while [[ -z ${target_interface} ]]; do
+        echo
+        echo -n "> "
+        read target_interface
+        if [[ -z ${target_interface} ]]; then
+            echo
+            echo "Please enter a valid interface."
+            continue
+        fi
+        if ! grep -qw "${target_interface}" <<<"${interfaces[@]}"; then
+            target_interface=""
+            echo
+            echo "Please enter a valid interface."
+            continue
+        fi
+        echo
+    done
+
+    echo -n "3b) Is a tagged vLAN required for the primary network interface? [y/N] "
+    read vlans_req
+    if [[ ${vlans_req} == 'y' || ${vlans_req} == 'Y' ]]; then
+        echo
+        echo "Please enter the vLAN ID for the interface."
+        while [[ -z ${vlan_id} ]]; do
+            echo
+            echo -n "> "
+            read vlan_id
+            if [[ -z ${vlan_id} ]]; then
+                echo
+                echo "Please enter a numeric vLAN ID."
+                continue
+            fi
+        done
+        echo
+    else
+        vlan_id=""
+        echo
+    fi
+
+    echo "3c) Please enter the IP address, in CIDR format [X.X.X.X/YY], of the primary"
+    echo "network interface. Leave blank for DHCP configuration of the interface on boot."
+    echo
+    echo -n "> "
+    read target_ipaddr
+    if [[ -n ${target_ipaddr} ]]; then
+        target_netformat="static"
+        echo
+        echo "3d) Please enter the default gateway IP address of the primary"
+        echo "network interface."
+        while [[ -z ${target_defgw} ]]; do
+            echo
+            echo -n "> "
+            read target_defgw
+            if [[ -z ${target_defgw} ]]; then
+                echo
+                echo "Please enter a default gateway; the installer requires Internet access."
+                continue
+            fi
+            echo
+        done
+    else
+        target_netformat="dhcp"
+        echo
+    fi
+
+    echo -n "Bringing up primary network interface in ${target_netformat} mode... "
+    case ${target_netformat} in
+        'static')
+            if [[ -n ${vlan_id} ]]; then
+                modprobe 8021q >&2
+                vconfig add ${target_interface} ${vlan_id} >&2
+                vlan_interface=${target_interface}.${vlan_id}
+                ip link set ${target_interface} up >&2 || true
+                ip link set ${vlan_interface} up >&2 || true
+                ip address add ${target_ipaddr} dev ${vlan_interface} >&2 || true
+                ip route add default via ${target_defgw} >&2 || true
+                formatted_ipaddr="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Host address/{ print $NF }' )"
+                formatted_netmask="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Network mask/{ print $NF }' )"
+                real_interface="${vlan_interface}"
+                target_interfaces_is="static-vlan"
+            else
+                ip link set ${target_interface} up >&2 || true
+                ip address add ${target_ipaddr} dev ${target_interface} >&2 || true
+                ip route add default via ${target_defgw} >&2 || true
+                formatted_ipaddr="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Host address/{ print $NF }' )"
+                formatted_netmask="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Network mask/{ print $NF }' )"
+                real_interface="${target_interface}"
+                target_interfaces_is="static-raw"
+            fi
+            cat <<EOF >/etc/resolv.conf
+nameserver 8.8.8.8
+EOF
+        ;;
+        'dhcp')
+            if [[ -n ${vlan_id} ]]; then
+                modprobe 8021q >&2
+                vconfig add ${target_interface} ${vlan_id} &>/dev/null
+                vlan_interface=${target_interface}.${vlan_id}
+                dhclient ${vlan_interface} >&2
+                real_interface="${vlan_interface}"
+                target_interfaces_is="dhcp-vlan"
+            else
+                dhclient ${target_interface} >&2
+                real_interface="${target_interface}"
+                target_interfaces_is="dhcp-raw"
+            fi
+        ;;
+    esac
+    echo "done."
+    echo
+
+    echo -n "Waiting for networking to become ready... "
+    while ! ping -q -c 1 8.8.8.8 &>/dev/null; do
+        sleep 1
+    done
+    echo "done."
+    echo
+
+    echo "4a) Please enter an alternate Debian release codename for the system if desired."
+    echo "    Supported: ${supported_debrelease}"
+    echo "    Default: ${default_debrelease}"
+    while [[ -z ${debrelease} ]]; do
+        echo
+        echo -n "> "
+        read debrelease
+        if [[ -z ${debrelease} ]]; then
+            debrelease="${default_debrelease}"
+        fi
+        if ! grep -qw "${debrelease}" <<<"${supported_debrelease}"; then
+            debrelease=""
+            echo
+            echo "Please enter a valid release."
+            continue
+        fi
+        echo
+    done
+
+    echo "4b) Please enter an HTTP URL for an alternate Debian mirror if desired."
+    echo "    Default: ${default_debmirror}"
+    while [[ -z ${debmirror} ]]; do
+        echo
+        echo -n "> "
+        read debmirror
+        if [[ -z ${debmirror} ]]; then
+            debmirror="${default_debmirror}"
+        fi
+        if ! wget -O /dev/null ${debmirror}/dists/${debrelease}/Release &>/dev/null; then
+            debmirror=""
+            echo
+            echo "Please enter a valid Debian mirror URL."
+            continue
+        fi
+        echo
+        echo "Repository mirror '${debmirror}' successfully validated."
+        echo
+    done
+
+    target_keys_method="wget"
+    echo "5) Please enter an HTTP URL containing a text list of SSH authorized keys to"
+    echo "fetch. These keys will be allowed access to the deployment user 'XXDEPLOYUSER'"
+    echo "via SSH."
+    echo ""
+    echo "Leave blank to bypass this and use a password instead."
+    echo
+    echo -n "> "
+    read target_keys_path
+    if [[ -z ${target_keys_path} ]]; then
+        echo
+        echo "No SSH keys URL specified. Falling back to password configuration."
+        echo
+        echo "5) Please enter a password (hidden), twice, for the deployment user '${target_deploy_user}'."
+        while [[ -z "${target_password}" ]]; do
+            echo
+            echo -n "> "
+            read -s target_password_1
+            echo
+            echo -n "> "
+            read -s target_password_2
+            echo
+            if [[ -n "${target_password_1}" && "${target_password_1}" -eq "${target_password_2}" ]]; then
+                target_password="${target_password_1}"
+            else
+                echo
+                echo "The specified passwords do not match or are empty."
+            fi
+        done
+    else
+        while ! wget -O /dev/null ${target_keys_path} &>/dev/null; do
+            echo
+            echo "Please enter a valid SSH keys URL."
+            echo
+            echo -n "> "
+            read target_keys_path
+        done
+        echo
+        echo "SSH key source '${target_keys_path}' successfully validated."
+    fi
+    echo
+}    
+
+case ${install_option} in
+    on)
+        seed_config
+    ;;
+    *)
+        interactive_config
+    ;;
+esac
+
+titlestring_text="| Proceeding with installation of host '${target_hostname}'. |"
+titlestring_len="$(( $( wc -c <<<"${titlestring_text}" ) - 2 ))"
+for i in $( seq 0 ${titlestring_len} ); do echo -n "-"; done; echo
+echo "${titlestring_text}"
+for i in $( seq 0 ${titlestring_len} ); do echo -n "-"; done; echo
+echo
+
+### Script begins ###
+echo "LOGFILE: ${logfile}"
+echo
+
+exec 1> >( tee -ia ${logfile} )
+exec 2> >( tee -ia ${logfile} >/dev/null )
+set -o errexit
+set -o xtrace
+
+case ${install_option} in
+    on)
+        seed_checkin start
+    ;;
+    *)
+        # noop
+        true
+    ;;
+esac
+
+cleanup() {
+    set +o errexit
+    echo -n "Cleaning up... "
+    umount ${target}/tmp >&2
+    umount ${target}/run >&2
+    umount ${target}/sys >&2
+    umount ${target}/proc >&2
+    umount ${target}/dev/pts >&2
+    umount ${target}/dev >&2
+    umount ${target}/var/lib/ceph >&2
+    umount ${target}/var/lib/zookeeper >&2
+    umount ${target}/boot/efi >&2
+    umount ${target}/boot >&2
+    umount ${target} >&2
+    vgchange -an >&2
+    rmdir ${target} >&2
+    rm ${lockfile}
+    echo "done."
+    echo
+
+    case ${install_option} in
+        on)
+            respawn
+        ;;
+        *)
+            # noop
+            true
+        ;;
+    esac
+}
+trap cleanup EXIT
+
+echo -n "Determining partition sizes... "
+blockdev_size_bytes="$( blockdev --getsize64 ${target_disk} )"
+blockdev_size_gbytes="$(( ${blockdev_size_bytes} / 1024 / 1024 / 1024 - 1))"
+if [[ ${blockdev_size_gbytes} -ge 100 ]]; then
+    # Optimal sized system disk (>=100GB), use large partitions
+    size_root_lv="32"
+    size_ceph_lv="8"
+    size_zookeeper_lv="32"
+    size_swap_lv="16"
+    echo "found large disk (${blockdev_size_gbytes} >= 100GB), using optimal partition sizes."
+else
+    # Minimum sized disk (>=30GB), use small partitions
+    size_root_lv="8"
+    size_ceph_lv="4"
+    size_zookeeper_lv="8"
+    size_swap_lv="8"
+    echo "found small disk (${blockdev_size_gbytes} < 100GB), using small partition sizes."
+fi
+
+echo -n "Disabing existing volume groups... "
+vgchange -an >&2 || true
+echo "done."
+
+blockcheck() {
+    # Use for testing only
+    if [[ -n ${SKIP_BLOCKCHECK} ]]; then
+        return
+    fi
+
+    # Determine optimal block size for zeroing
+    exponent=16
+    remainder=1
+    while [[ ${remainder} -gt 0 && ${exponent} -gt 0 ]]; do
+        exponent=$(( ${exponent} - 1 ))
+        size=$(( 2**9 * 2 ** ${exponent} ))
+        count=$(( ${blockdev_size_bytes} / ${size} ))
+        remainder=$(( ${blockdev_size_bytes} - ${count} * ${size} ))
+    done
+    if [[ ${remainder} -gt 0 ]]; then
+        echo "Failed to find a suitable block size for wiping... skipping."
+        return
+    fi
+
+    echo -n "Checking if block device '${target_disk}' is already wiped... "
+    if ! cmp --silent --bytes ${blockdev_size_bytes} /dev/zero ${target_disk}; then
+        echo "false."
+        echo "Wiping block device '${target_disk}' (${count} blocks of ${size} bytes)..."
+        dd if=/dev/zero of=${target_disk} bs=${size} count=${count} oflag=direct status=progress 2>&1
+    else
+        echo "done."
+    fi
+}
+blockcheck
+
+echo -n "Preparing block device '${target_disk}'... "
+# New GPT, part 1 64MB ESP, part 2 960MB BOOT, part 3 inf LVM PV
+echo -e "o\ny\nn\n1\n\n64M\nEF00\nn\n2\n\n960M\n8300\nn\n3\n\n\n8E00\nw\ny\n" | gdisk ${target_disk} >&2
+echo "done."
+
+echo -n "Rescanning disks... "
+partprobe >&2 || true
+echo "done."
+
+echo -n "Creating LVM PV... "
+yes | pvcreate -ffy ${target_disk}3 >&2
+echo "done."
+
+echo -n "Creating LVM VG 'vgx'... "
+yes | vgcreate vgx ${target_disk}3 >&2
+echo "done."
+
+echo -n "Creating root logical volume (${size_root_lv}GB)... "
+yes | lvcreate -L ${size_root_lv}G -n root vgx >&2
+echo "done."
+echo -n "Creating filesystem on root logical volume (ext4)... "
+yes | mkfs.ext4 /dev/vgx/root >&2
+echo "done."
+
+echo -n "Creating ceph logical volume (${size_ceph_lv}GB)... "
+yes | lvcreate -L ${size_ceph_lv}G -n ceph vgx >&2
+echo "done."
+echo -n "Creating filesystem on ceph logical volume (ext4)... "
+yes | mkfs.ext4 /dev/vgx/ceph >&2
+echo "done."
+
+echo -n "Creating zookeeper logical volume (${size_zookeeper_lv}GB)... "
+yes | lvcreate -L ${size_zookeeper_lv}G -n zookeeper vgx >&2
+echo "done."
+echo -n "Creating filesystem on zookeeper logical volume (ext4)... "
+yes | mkfs.ext4 /dev/vgx/zookeeper >&2
+echo "done."
+
+echo -n "Creating swap logical volume (${size_swap_lv}GB)... "
+yes | lvcreate -L ${size_swap_lv}G -n swap vgx >&2
+echo "done."
+echo -n "Creating swap space on swap logical volume... "
+yes | mkswap -f /dev/vgx/swap >&2
+echo "done."
+
+echo -n "Creating filesystem on boot partition (ext2)... "
+yes | mkfs.ext2 ${target_disk}2 >&2
+echo "done."
+
+echo -n "Creating filesystem on ESP partition (vfat)... "
+yes | mkdosfs -F32 ${target_disk}1 >&2
+echo "done."
+
+vgchange -ay >&2
+target="/tmp/target"
+mkdir -p ${target} >&2
+echo -n "Mounting disks on temporary target '${target}'... "
+mount /dev/vgx/root ${target} >&2
+mkdir -p ${target}/boot >&2
+chattr +i ${target}/boot >&2
+mount ${target_disk}2 ${target}/boot >&2
+mkdir -p ${target}/boot/efi >&2
+chattr +i ${target}/boot/efi >&2
+mount ${target_disk}1 ${target}/boot/efi >&2
+mkdir -p ${target}/var/lib/ceph >&2
+chattr +i ${target}/var/lib/ceph >&2
+mount /dev/vgx/ceph ${target}/var/lib/ceph >&2
+mkdir -p ${target}/var/lib/zookeeper >&2
+chattr +i ${target}/var/lib/zookeeper >&2
+mount /dev/vgx/zookeeper ${target}/var/lib/zookeeper >&2
+mkdir -p ${target}/tmp >&2
+chattr +i ${target}/tmp >&2
+mount -t tmpfs tmpfs ${target}/tmp >&2
+echo "done."
+
+echo -n "Running debootstrap install... "
+echo "Command: debootstrap --include=${inclpkglist} ${debrelease} ${target}/ ${debmirror}" >&2
+debootstrap --include=${inclpkglist} ${debrelease} ${target}/ ${debmirror} >&2
+echo "done."
+
+echo -n "Adding non-free repository (firmware, etc.)... "
+mkdir -p ${target}/etc/apt/sources.list.d/ >&2
+echo "deb ${debmirror} ${debrelease} contrib non-free" | tee -a ${target}/etc/apt/sources.list >&2
+chroot ${target} apt update >&2
+echo "done."
+
+echo -n "Installing supplemental packages... "
+chroot ${target} apt install -y --no-install-recommends $( sed 's/,/ /g' <<<"${suppkglist}" ) >&2
+echo "done."
+
+# Determine the bypath name of the specified system disk
+for disk in /dev/disk/by-path/*; do
+    bypathlink="$( realpath ${disk} | awk -F'/' '{ print $NF }' )"
+    enteredname="$( awk -F'/' '{ print $NF }' <<<"${target_disk}" )"
+    if [[ ${bypathlink} == ${enteredname} ]]; then
+        bypath_disk="${disk}"
+    fi
+done
+
+echo -n "Adding fstab entries... "
+echo "/dev/mapper/vgx-root / ext4 errors=remount-ro 0 1" | tee -a ${target}/etc/fstab >&2
+echo "/dev/mapper/vgx-ceph /var/lib/ceph ext4 errors=remount-ro 0 2" | tee -a ${target}/etc/fstab >&2
+echo "/dev/mapper/vgx-zookeeper /var/lib/zookeeper ext4 errors=remount-ro 0 2" | tee -a ${target}/etc/fstab >&2
+echo "/dev/mapper/vgx-swap none swap sw 0 0" | tee -a ${target}/etc/fstab >&2
+echo "${bypath_disk}-part2 /boot ext2 defaults 0 2" | tee -a ${target}/etc/fstab >&2
+echo "${bypath_disk}-part1 /boot/efi vfat umask=0077 0 2" | tee -a ${target}/etc/fstab >&2
+echo "tmpfs /tmp tmpfs defaults 0 0" | tee -a ${target}/etc/fstab >&2
+echo "done."
+
+seed_interfaces_segment() {
+    # A seed install is always "dhcp-raw" since the provisioner is always a dedicated, access port
+    target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet dhcp\npost-up /etc/network/pvcprovisionerd.checkin.sh \$IFACE"
+}
+
+interactive_interfaces_segment() {
+    case ${target_interfaces_is} in
+        static-vlan)
+            target_interfaces_block="auto ${vlan_interface}\niface ${vlan_interface} inet ${target_netformat}\n\tvlan_raw_device ${target_interface}\n\taddress ${formatted_ipaddr}\n\tnetmask ${formatted_netmask}\n\tgateway ${target_defgw}"
+        ;;
+        static-raw)
+            target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet ${target_netformat}\n\taddress ${formatted_ipaddr}\n\tnetmask ${formatted_netmask}\n\tgateway ${target_defgw}"
+        ;;
+        dhcp-vlan)
+            target_interfaces_block="auto ${vlan_interface}\niface ${vlan_interface} inet ${target_netformat}\n\tvlan_raw_device${target_interface}"
+        ;;
+        dhcp-raw)
+            target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet ${target_netformat}"
+        ;;
+    esac
+}
+
+echo -n "Creating bootstrap interface segment... "
+case ${install_option} in
+    on)
+        seed_interfaces_segment
+    ;;
+    *)
+        interactive_interfaces_segment
+    ;;
+esac
+echo "done."
+
+echo -n "Adding bootstrap interface segment... "
+echo -e "${target_interfaces_block}" | tee ${target}/etc/network/interfaces.d/${target_interface} >&2
+echo "done."
+
+case ${install_option} in
+    on)
+        echo -n "Creating bond interface segment... "
+        bond_interfaces="$( ip -br link show | grep -E -o '^e[a-z]+[0-9]+[a-z0-9]*' | grep -v "^${target_interface}$" | tr '\n' ' ' )"
+        bond_interfaces_block="auto bond0\niface bond0 inet manual\n\tbond-mode 802.3ad\n\tbond-slaves ${bond_interfaces}\n\tpost-up ip link set mtu 9000 dev \$IFACE"
+        echo "done."
+
+        echo -n "Adding bond interface segment... "
+        echo -e "${bond_interfaces_block}" | tee ${target}/etc/network/interfaces.d/bond0 >&2
+        echo "done."
+
+        echo -n "Adding bootstrap interface post-up checkin script... "
+        cat <<EOF | tee ${target}/etc/network/pvcprovisionerd.checkin.sh >&2
+#!/usr/bin/env bash
+target_interface=\${1}
+pvcbootstrapd_checkin_uri="${pvcbootstrapd_checkin_uri}"
+macaddr=\$( ip -br link show \${target_interface} | awk '{ print \$3 }' )
+ipaddr=\$( ip -br address show \${target_interface} | awk '{ print \$3 }' | awk -F '/' '{ print \$1 }' )
+bmc_macaddr=\$( ipmitool lan print | grep 'MAC Address  ' | awk '{ print $NF }' )
+bmc_ipaddr=\$( ipmitool lan print | grep 'IP Address  ' | awk '{ print $NF }' )
+if [[ -f /etc/pvc-install.pvcbootstrapd_completed ]]; then
+    # The third boot, when all pvcprovisionerd plugins have been run (this script will henceforth do nothing)
+    action="system-boot_bootstrap-completed"
+elif [[ -f /etc/pvc-install.base && -f /etc/pvc-install.pvc ]]; then
+    # The second boot, when Ansible has been run and plugins running
+    action="system-boot_ansible-completed"
+    touch /etc/pvc-install.pvcbootstrapd_completed
+else
+    # The first boot, when Ansible has not been run yet
+    action="system-boot_initial"
+fi
+curl -X POST \
+    -H "Content-Type: application/json" \
+    -d "{\"action\":\"\${action}\",\"macaddr\":\"\${macaddr}\",\"ipaddr\":\"\${ipaddr}\",\"hostname\":\"\$( hostname -s )\",\"bmc_macaddr\":\"\${bmc_macaddr}\",\"bmc_ipaddr\":\"\${bmc_ipaddr}\"}" \
+    \${pvcbootstrapd_checkin_uri}
+
+if [[ -f /etc/pvc-install.pvcbootstrapd_completed ]]; then
+    # Clean up the bootstrap interface and this script
+    rm /etc/network/interfaces.d/\${target_interface}
+    rm \$0
+    exit 0
+fi
+EOF
+        chmod +x ${target}/etc/network/pvcprovisionerd.checkin.sh
+        echo "done."
+    ;;
+    *)
+        # noop
+        true
+    ;;
+esac
+echo "done."
+
+echo -n "Setting temporary 'root' password... "
+echo "root:${root_password}" | chroot ${target} chpasswd >&2
+echo "done."
+
+echo -n "Adding deployment user... "
+mv ${target}/home ${target}/var/home >&2
+chroot ${target} useradd -u 200 -d /var/home/${target_deploy_user} -m -s /bin/bash -g operator -G sudo ${target_deploy_user} >&2
+chroot ${target} mkdir -p /var/home/${target_deploy_user}/.ssh
+if [[ -n ${target_keys_path} ]]; then
+    case ${target_keys_method} in
+        wget)
+            wget -O ${target}/var/home/${target_deploy_user}/.ssh/authorized_keys ${target_keys_path}
+        ;;
+        tftp)
+            tftp -m binary "${seed_host}" -c get "${target_keys_path}" ${target}/var/home/${target_deploy_user}/.ssh/authorized_keys
+        ;;
+    esac
+    chroot ${target} chmod 0600 /var/home/${target_deploy_user}/.ssh/authorized_keys
+    chroot ${target} chown -R ${target_deploy_user}:operator /var/home/${target_deploy_user}
+else
+    echo "${target_deploy_user}:${target_password}" | chroot ${target} chpasswd >&2
+fi
+echo "done."
+
+echo -n "Setting NOPASSWD for sudo group... "
+sed -i 's/^%sudo\tALL=(ALL:ALL) ALL/%sudo\tALL=(ALL:ALL) NOPASSWD: ALL/' ${target}/etc/sudoers
+echo "done."
+
+echo -n "Setting /etc/issue generator... "
+mkdir -p ${target}/etc/network/if-up.d >&2
+echo -e "#!/bin/sh
+IP=\"\$( ip -4 addr show dev ${target_interface} | grep inet | awk '{ print \$2 }' | head -1 )\"
+cat <<EOF >/etc/issue
+Debian GNU/Linux 10 \\\\n \\\\l
+
+Bootstrap interface IP address: \$IP
+
+EOF" | tee ${target}/etc/network/if-up.d/issue-gen >&2
+chmod +x ${target}/etc/network/if-up.d/issue-gen 1>&2
+echo "done."
+
+echo -n "Generating host rsa and ed25519 keys... "
+rm ${target}/etc/ssh/ssh_host_*_key* >&2
+chroot ${target} ssh-keygen -t rsa -N "" -f /etc/ssh/ssh_host_rsa_key >&2
+chroot ${target} ssh-keygen -t ed25519 -N "" -f /etc/ssh/ssh_host_ed25519_key >&2
+echo "done."
+
+echo -n "Setting hostname... "
+echo "${target_hostname}" | tee ${target}/etc/hostname >&2
+echo "done."
+
+echo -n "Setting resolv.conf... "
+echo "nameserver 8.8.8.8" | tee ${target}/etc/resolv.conf >&2
+echo "done."
+
+echo -n "Installing GRUB bootloader... "
+mount --bind /dev ${target}/dev >&2
+mount --bind /dev/pts ${target}/dev/pts >&2
+mount --bind /proc ${target}/proc >&2
+mount --bind /sys ${target}/sys >&2
+mount --bind /run ${target}/run >&2
+if [[ -d /sys/firmware/efi ]]; then
+    bios_target="x86_64-efi"
+else
+    bios_target="i386-pc"
+fi
+cat <<EOF | tee ${target}/etc/default/grub >&2
+GRUB_DEFAULT=0
+GRUB_TIMEOUT=5
+GRUB_DISTRIBUTOR="Parallel Virtual Cluster (PVC) - Debian"
+GRUB_CMDLINE_LINUX="console=hvc0 console=tty0 console=ttyS0,115200"
+GRUB_TERMINAL_INPUT="console serial"
+GRUB_TERMINAL_OUTPUT="gfxterm serial"
+GRUB_SERIAL_COMMAND="serial --unit=0 --unit=1 --speed=115200"
+EOF
+chroot ${target} grub-install --force --target=${bios_target} ${target_disk} >&2
+chroot ${target} grub-mkconfig -o /boot/grub/grub.cfg >&2
+echo "done."
+
+seed_postinst() {
+    cleanup
+    echo "Temporary root password: ${root_password}"
+    seed_checkin end
+
+    echo -n "Rebooting in 10 seconds..."
+    i=10
+    while [[ ${i} -gt 0 ]]; do
+        sleep 1
+        i=$(( ${1} - 1 ))
+        echo -n "."
+    done
+    echo
+    reboot
+}
+
+interactive_postinst() {
+    set +o errexit
+    echo
+    echo -n "Edit the /etc/network/interfaces file in the target before completing setup? If you plan to use bonding, it is prudent to set this up in basic form now! [y/N] "
+    read edit_ifaces
+    if [[ ${edit_ifaces} == 'y' || ${edit_ifaces} == 'Y' ]]; then
+        vim ${target}/etc/network/interfaces
+    fi
+    echo
+
+    echo -n "Launch a chroot shell in the target environment? [y/N] "
+    read launch_chroot
+    if [[ ${launch_chroot} == 'y' || ${edit_ifaces} == 'Y' ]]; then
+        echo "Type 'exit' or Ctrl+D to exit chroot."
+        chroot ${target} /bin/bash
+    fi
+
+    cleanup
+
+    echo "-------------------------------------------------------------------------------------"
+    echo "| PVC node installation finished. Next steps:                                       |"
+    echo "| 1. Press <enter> to reboot the system.                                            |"
+    echo "| 2. Boot the system verify SSH access (IP shown on login screen).                  |"
+    echo "| 3. Proceed with system deployment via PVC Ansible.                                |"
+    echo "|                                                                                   |"
+    echo "| The INSECURE temporary root password if the system will not boot is: ${root_password}     |"
+    echo "-------------------------------------------------------------------------------------"
+    echo
+    read
+
+    reboot
+}
+
+case ${install_option} in
+    on)
+        seed_postinst
+    ;;
+    *)
+        interactive_postinst
+    ;;
+esac

templates/installer.list.chroot

@@ -0,0 +1 @@
+live-task-standard live-tools live-boot live-boot-initramfs-tools linux-image-amd64 psmisc mdadm lvm2 parted gdisk dosfstools debootstrap grub-pc-bin grub-efi-amd64 sipcalc vim ca-certificates vlan tftp-hpa curl ipmitool

templates/logind.conf

@@ -0,0 +1,2 @@
+[Login]
+NAutoVTs=2

templates/resolv.conf

@@ -0,0 +1 @@
+nameserver 8.8.8.8

templates/root.bashrc

@@ -0,0 +1 @@
+/install.sh

templates/serial-getty-override.conf

@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=-/sbin/agetty -o '-p -- \\u' --autologin root --noclear --keep-baud 115200,38400,9600 %I $TERM