281 lines
9.7 KiB
Bash
281 lines
9.7 KiB
Bash
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#!/usr/bin/env bash
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which sudo &>/dev/null && SUDO="sudo" || SUDO=""
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debrelease="buster"
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debmirror="http://debian.mirror.rafal.ca/debian"
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debpkglist="lvm2,parted,gdisk,grub-pg,linux-image-amd64,sudo,vim,gpg,gpg-agent,aptitude,openssh-server"
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clear
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titlestring_text="| Preparing to install a PVC node base system. |"
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titlestring_len="$( wc -c <<<"${titlestring_text}" )"
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for i in $( seq 2 ${titlestring_len} ); do echo -n "-"; done; echo
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echo "${titlestring_text}"
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for i in $( seq 2 ${titlestring_len} ); do echo -n "-"; done; echo
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echo
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echo "1) Please enter a fully-qualified hostname for the system."
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while [[ -z ${target_hostname} ]]; do
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echo
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echo -n "> "
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read target_hostname
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if [[ -z ${target_hostname} ]]; then
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echo
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echo "Please enter a hostname."
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continue
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fi
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echo
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done
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disks="$(
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for disk in /dev/sd?; do
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gdisk_data="$( $SUDO gdisk -l ${disk} )"
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echo -n "${disk}"
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echo -n "\t$( grep "^Model:" <<<"${gdisk_data}" | awk '{ $1=""; print $0 }' )"
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echo -n "\t$( grep "^Disk ${disk}:" <<<"${gdisk_data}" | awk '{ $1=$2=""; print $0 }' )"
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echo
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done
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)"
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echo "2) Please enter the disk to install the PVC base system to. This disk will be"
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echo "wiped, an LVM PV created on it, and the system installed to this LVM."
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echo
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echo "Available disks:"
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echo
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echo -e "$( sed 's/\(.*\)/ \1/' <<<"${disks[@]}" )"
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while [[ ! -b ${target_disk} ]]; do
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echo
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echo -n "> "
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read target_disk
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if [[ ! -b ${target_disk} ]]; then
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echo
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echo "Please enter a valid target disk."
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continue
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fi
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echo
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done
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for interface in $( ip address | grep '^[0-9]' | grep 'enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do
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$SUDO ip link set ${interface} up
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done
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sleep 2
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interfaces="$(
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ip address | grep '^[0-9]' | grep 'enp\|ens\|wlp' | awk '{ print $2"\t"$3 }' | tr -d ':'
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)"
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echo "3a) Please enter the primary network interface for external connectivity."
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echo
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echo "Available interfaces:"
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echo
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echo -e "$( sed 's/\(.*\)/ \1/' <<<"${interfaces[@]}" )"
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while [[ -z ${target_interface} ]]; do
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echo
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echo -n "> "
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read target_interface
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if ! grep -qw "${target_interface}" <<<"${interfaces[@]}"; then
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echo
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echo "Please enter a valid interface."
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target_interface=""
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continue
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fi
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echo
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done
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echo "3b) Please enter the IP address, in CIDR format [X.X.X.X/YY], of the primary network interface."
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echo "Leave blank for DHCP configuration of the interface on boot."
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echo
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echo -n "> "
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read target_ipaddr
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if [[ -n ${target_ipaddr} ]]; then
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target_netformat="static"
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echo
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echo "3c) Please enter the default gateway IP address of the primary"
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echo "network interface."
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while [[ -z ${target_defgw} ]]; do
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echo
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echo -n "> "
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read target_defgw
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if [[ -z ${target_defgw} ]]; then
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echo
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echo "Please enter a default gateway; the installer requires Internet access."
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continue
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fi
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echo
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done
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else
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target_netformat="dhcp"
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echo
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fi
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echo "4) Please enter an HTTP URL containing a text list of SSH authorized keys to"
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echo "fetch. These keys will be allowed access to the 'deploy' user via SSH."
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echo "Leave blank to bypass this and use a password instead."
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echo
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echo -n "> "
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read target_keys_url
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if [[ -z ${target_keys_url} ]]; then
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echo
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echo "No SSH keys URL specified. Falling back to password configuration."
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echo
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echo "5) Please enter a password (hidden), twice, for the 'deploy' user."
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while [[ -z "${target_password}" ]]; do
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echo
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echo -n "> "
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read -s target_password_1
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echo
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echo -n "> "
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read -s target_password_2
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echo
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if [[ -n "${target_password_1}" && "${target_password_1}" -eq "${target_password_2}" ]]; then
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target_password="${target_password_1}"
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else
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echo
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echo "The specified passwords do not match or are empty."
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fi
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done
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fi
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echo
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titlestring_text="| Proceeding with installation of host '${target_hostname}' to disk '${target_disk}'. |"
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titlestring_len="$( wc -c <<<"${titlestring_text}" )"
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for i in $( seq 2 ${titlestring_len} ); do echo -n "-"; done; echo
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echo "${titlestring_text}"
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for i in $( seq 2 ${titlestring_len} ); do echo -n "-"; done; echo
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echo
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### Script begins ###
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set -o errexit
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echo -n "Bringing up primary network interface in ${target_netformat} mode... "
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case mode in ${target_netformat}
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'static')
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$SUDO ip link set ${target_interface} up &>/dev/null
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$SUDO ip address add ${target_ipaddr} dev ${target_interface} &>/dev/null
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$SUDO ip route add default via ${target_defgw} &>/dev/null
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formatted_ipaddr="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Host address/{ print $NF }' )"
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formatted_netmask="$( sipcalc ${target_ipaddr} | grep -v '(' | awk '/Network mask/{ print $NF }' )"
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target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet ${target_netformat}\n\taddress ${formatted_ipaddr}\n\tnetmask ${formatted_netmask}\n\tgateway ${target_defgw}"
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;;
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'dhcp')
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$SUDO dhclient ${target_interface} &>/dev/null
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target_interfaces_block="auto ${target_interface}\niface ${target_interface} inet ${target_netformat}"
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;;
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esac
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echo "done."
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echo -n "Preparing block device... "
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# New GPT, part 1 64MB ESP, part 2 960MB BOOT, part 3 inf LVM PV
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echo -e "o\ny\nn\n1\n\n64M\nEF00\nn\n2\n\n960M\n8300\nn\n3\n\n\n8E00\nw\ny\n" | $SUDO gdisk ${target_disk}
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echo "done."
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echo -n "Rescanning disks... "
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$SUDO partprobe &>/dev/null
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echo "done."
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echo -n "Creating LVM PV... "
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$SUDO pvcreate ${target_disk}3 &>/dev/null
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echo "done."
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echo -n "Creating LVM VG named 'vgx'... "
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$SUDO vgcreate vgx ${target_disk}3 &>/dev/null
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echo "done."
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echo -n "Creating root logical volume (16GB, ext4)... "
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$SUDO lvcreate -L 16G -n root vgx &>/dev/null
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$SUDO mkfs.ext4 -f /dev/vgx/root &>/dev/null
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echo "done."
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echo -n "Creating ceph logical volume (16GB, ext4)... "
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$SUDO lvcreate -L 16G -n ceph vgx &>/dev/null
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$SUDO mkfs.ext4 -f /dev/vgx/ceph &>/dev/null
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echo "done."
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echo -n "Creating swap logical volume (8GB)... "
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$SUDO lvcreate -L 8G -n swap vgx &>/dev/null
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$SUDO mkswap -f /dev/vgx/swap &>/dev/null
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echo "done."
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echo -n "Mounting disks on temporary target... "
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target=$( mktemp -d )
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$SUDO mount /dev/vgx/root ${target} &>/dev/null
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$SUDO mkdir -p ${target}/boot &>/dev/null
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$SUDO mount ${target_disk}2 ${target}/boot &>/dev/null
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$SUDO mkdir -p ${target}/boot/efi &>/dev/null
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$SUDO mount ${target_disk}1 ${target}/boot/efi &>/dev/null
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$SUDO mkdir -p ${target}/var/lib/ceph &>/dev/null
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$SUDO mount /dev/vgx/ceph ${target}/var/lib/ceph &>/dev/null
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echo "done."
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echo -n "Running debootstrap install... "
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$SUDO debootstrap --include=${debpkglist} ${debrelease} ${target}/ ${debmirror} &>/dev/null
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echo "done."
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# Determine the bypath name of the specified system disk
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for disk in /dev/disk/by-path/*; do
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bypathlink="$( readlink ${disk} | awk -F'/' '{ print $NF }' )"
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enteredname="$( awk -F'/' '{ print $NF }' <<<"${target_disk}" )"
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if [[ ${bypathlink} == ${enteredname} ]]; then
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bypath_disk="${disk}"
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fi
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done
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echo -n "Adding fstab entries... "
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echo "/dev/mapper/vgx-root / ext4 errors=remount-ro 0 1" | $SUDO tee -a ${target}/etc/fstab &>/dev/null
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echo "/dev/mapper/vgx-ceph /var/lib/ceph ext4 errors=remount-ro 0 2" | $SUDO tee -a ${target}/etc/fstab &>/dev/null
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echo "/dev/mapper/vgx-swap nonde swap sw 0 0" | $SUDO tee -a ${target}/etc/fstab &>/dev/null
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echo "${bypath_disk}2 /boot ext2 defaults 0 2" | $SUDO tee -a ${target}/etc/fstab &>/dev/null
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echo "${bypath_disk}1 /boot/efi vfat umask=0077 0 2" | $SUDO tee -a ${target}/etc/fstab &>/dev/null
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echo "done."
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echo -n "Adding interface segment... "
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echo -e "${target_interfaces_block}" | $SUDO tee -a ${target}/etc/network/interfaces &>/dev/null
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echo "done."
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echo -n "Adding 'deploy' user... "
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$SUDO mv ${target}/home ${target}/var/home &>/dev/null
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$SUDO chroot ${target} useradd -u 200 -d /var/home/deploy -m -s /bin/bash -g operator -G sudo deploy &>/dev/null
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$SUDO chroot ${target} mkdir -p /var/home/deploy/.ssh
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if [[ -n ${target_keys_url} ]]; then
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$SUDO wget -O ${target}/var/home/deploy/.ssh/authorized_keys ${target_keys_url}
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else
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echo "${target_password}" | $SUDO chroot ${target} passwd --stdin deploy &>/dev/null
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fi
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echo -n "Setting hostname... "
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echo "${target_hostname}" | sudo tee ${target}/etc/hostname &>/dev/null
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echo "done."
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echo -n "Installing GRUB bootloader... "
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$SUDO mount --bind /dev ${target}/dev &>/dev/null
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$SUDO mount --bind /dev/pts ${target}/dev/pts &>/dev/null
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$SUDO mount --bind /proc ${target}/proc &>/dev/null
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$SUDO mount --bind /sys ${target}/sys &>/dev/null
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$SUDO chroot ${target} grub-install --target=x86_64-efi ${target_disk} &>/dev/null
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$SUDO chroot ${target} update-grub &>/dev/null
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echo "done."
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echo -n "Cleaning up... "
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$SUDO umount ${target}/sys &>/dev/null
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$SUDO umount ${target}/proc &>/dev/null
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$SUDO umount ${target}/dev/pts &>/dev/null
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$SUDO umount ${target}/dev &>/dev/null
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$SUDO umount ${target}/var/lib/ceph &>/dev/null
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$SUDO umount ${target}/boot/efi &>/dev/null
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$SUDO umount ${target}/boot &>/dev/null
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$SUDO umount ${target} &>/dev/null
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echo "done."
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echo
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titlestring_text="| PVC node installation finished. Press <Enter> to reboot into the installed system. |"
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titlestring_len="$( wc -c <<<"${titlestring_text}" )"
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for i in $( seq 2 ${titlestring_len} ); do echo -n "-"; done; echo
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echo "${titlestring_text}"
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echo "Verify the system is configured as you would expect, add any additional interfaces"
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echo "to the /etc/network/interfaces file, and then run the PVC Ansible role in"
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echo "'bootstrap=yes' mode to continue deploying the PVC system."
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for i in $( seq 2 ${titlestring_len} ); do echo -n "-"; done; echo
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echo
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read
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$SUDO reboot
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