parallelvirtualcluster/pvc-installer
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Work on modular installer

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This commit is contained in:
Joshua Boniface
2023-09-01 15:41:56 -04:00
parent b3d2580eeb
commit 0dcb39a2f5
3 changed files with 411 additions and 278 deletions
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35
install.seed.example Normal file
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@@ -0,0 +1,35 @@
###
### General definitions
###
# The Debian release to use
debrelease="bullseye"
# The Debian mirror to use
debmirror="http://debian.mirror.rafal.ca/debian"
# Package list (installed during debootstrap)
debpkglist="lvm2,parted,gdisk,grub-pc,grub-efi-amd64,linux-image-amd64,sudo,vim,gpg,gpg-agent,aptitude,openssh-server,vlan,ifenslave,python2,python3,ca-certificates,ntp"
# Package list (installed in chroot)
suppkglist="firmware-linux,firmware-linux-nonfree,firmware-bnx2,firmware-bnx2x"
###
### Per-host definitions
###
# The hostname of the system (set per-run)
target_hostname="HOSTNAME"
# The target disk (either path or model to find; path overrides model if set)
target_disk_path="/dev/disk/by-path/pci-0000:01:00.0-scsi-0:2:0:0" # Example: Dell BOSS on R6515 via explicit path
target_disk_model="DELLBOSS VD" # Example: Dell BOSS on R6515 via model name
# SSH key method (usually tftp)
target_keys_method="tftp"
# SSH key path
target_keys_path="keys.txt"
# Deploy username
target_deploy_user="deploy"

298
install.sh
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@@ -6,10 +6,13 @@ if [[ $( whoami ) != "root" ]]; then
exit 1 exit 1
fi fi
logfile="/tmp/pvc-install.log" iso_name="XXDATEXX"
target_deploy_user="XXDEPLOYUSERXX"
supported_debrelease="buster bullseye" supported_debrelease="buster bullseye"
default_debrelease="buster" default_debrelease="buster"
default_debmirror="http://debian.mirror.rafal.ca/debian" default_debmirror="http://debian.mirror.rafal.ca/debian"
debpkglist="lvm2,parted,gdisk,grub-pc,grub-efi-amd64,linux-image-amd64,sudo,vim,gpg,gpg-agent,aptitude,openssh-server,vlan,ifenslave,python2,python3,ca-certificates,ntp" debpkglist="lvm2,parted,gdisk,grub-pc,grub-efi-amd64,linux-image-amd64,sudo,vim,gpg,gpg-agent,aptitude,openssh-server,vlan,ifenslave,python2,python3,ca-certificates,ntp"
suppkglist="firmware-linux,firmware-linux-nonfree,firmware-bnx2,firmware-bnx2x" suppkglist="firmware-linux,firmware-linux-nonfree,firmware-bnx2,firmware-bnx2x"
@@ -20,22 +23,96 @@ suppkglist="firmware-linux,firmware-linux-nonfree,firmware-bnx2,firmware-bnx2x"
# roles will overwrite it by default during configuration. # roles will overwrite it by default during configuration.
root_password="hCb1y2PF" root_password="hCb1y2PF"
clear # Obtain the mode from the kernel command line
kernel_cmdline=$( cat /proc/cmdline )
install_option="$( awk '{
for(i=1; i<=NF; i++) {
if($i ~ /pvcinstall.preseed/) {
print $i;
}
}
}' <<<"${kernel_cmdline}" | awk -F'=' '{ print $NF }' )"
echo "--------------------------------------------------------" seed_config() {
echo "| PVC Node installer (XXDATEXX) |" echo "Hello ${1}"
echo "--------------------------------------------------------" seed_vlan="$( awk '{
echo for(i=1; i<=NF; i++) {
echo "This LiveCD will install a PVC node base system ready for bootstrapping with 'pvc-ansible'." if($i ~ /pvcinstall.seed_vlan/) {
echo print $i;
echo "* NOTE: If you make a mistake and need to restart the installer while answering" }
echo " the questions below, you may do so by typing ^C to cancel the script," }
echo " then re-running it by calling /install.sh in the resulting shell." }' <<<"${kernel_cmdline}" | awk -F'=' '{ print $NF }' )"
echo seed_host="$( awk '{
for(i=1; i<=NF; i++) {
if($i ~ /pvcinstall.seed_host/) {
print $i;
}
}
}' <<<"${kernel_cmdline}" | awk -F'=' '{ print $NF }' )"
seed_file="$( awk '{
for(i=1; i<=NF; i++) {
if($i ~ /pvcinstall.seed_file/) {
print $i;
}
}
}' <<<"${kernel_cmdline}" | awk -F'=' '{ print $NF }' )"
echo "1) Please enter a fully-qualified hostname for the system. This should match the hostname" if [[ -n ${seed_vlan} ]]; then
echo "in the 'pvc-ansible' inventory." modprobe 8021q
while [[ -z ${target_hostname} ]]; do fi
# 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
if [[ -n ${seed_vlan} ]]; then
vconfig add ${interface} ${seed_vlan}
dhclient ${interface}.${seed_vlan}
else
dhclient ${interface}
fi
done
# Fetch the seed config
tftp -m binary "${seed_host}" -c get "${seed_file}" /tmp/install.seed
. /tmp/install.seed
# Handle the target disk
if [[ -n ${target_disk_path} ]]; then
target_disk="$( readlink ${target_disk_path} )"
if [[ ! -b ${target_disk} ]]; then
echo "Invalid disk!"
exit 1
fi
else
# Find the (first) disk with the given model
for disk in /dev/sd?; do
disk_model="$( 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
}
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
echo -n "> " echo -n "> "
read target_hostname read target_hostname
@@ -45,9 +122,9 @@ while [[ -z ${target_hostname} ]]; do
continue continue
fi fi
echo echo
done done
disks="$( disks="$(
for disk in /dev/sd? /dev/nvme?n?; do for disk in /dev/sd? /dev/nvme?n?; do
if [[ ! -b ${disk} ]]; then if [[ ! -b ${disk} ]]; then
continue continue
@@ -58,20 +135,20 @@ disks="$(
echo -en " $( grep "^Disk ${disk}:" <<<"${disk_data}" | awk '{ $1=""; $2="size:"; print $0 }' )" echo -en " $( grep "^Disk ${disk}:" <<<"${disk_data}" | awk '{ $1=""; $2="size:"; print $0 }' )"
echo echo
done done
)" )"
echo "2) Please enter the disk to install the PVC base system to. This disk will be" echo "2) Please enter the disk to install the PVC base system to. This disk will be"
echo "wiped, an LVM PV created on it, and the system installed to this LVM." echo "wiped, an LVM PV created on it, and the system installed to this LVM."
echo "* NOTE: PVC requires a disk of at least 30GB to be installed to, and 100GB is the" echo "* NOTE: PVC requires a disk of at least 30GB to be installed to, and 100GB is the"
echo "recommended minimum size for optimal production partition sizes." echo "recommended minimum size for optimal production partition sizes."
echo "* NOTE: For optimal performance, this disk should be high-performance flash (SSD, etc.)." echo "* NOTE: For optimal performance, this disk should be high-performance flash (SSD, etc.)."
echo "* NOTE: This disk should be a RAID-1 volume configured in hardware, or a durable storage" echo "* NOTE: This disk should be a RAID-1 volume configured in hardware, or a durable storage"
echo "device, maximum redundancy and resiliency." echo "device, maximum redundancy and resiliency."
echo echo
echo "Available disks:" echo "Available disks:"
echo echo
echo -e "$( sed 's/\(.*\)/ \1/' <<<"${disks[@]}" )" echo -e "$( sed 's/\(.*\)/ \1/' <<<"${disks[@]}" )"
while [[ ! -b ${target_disk} ]]; do while [[ ! -b ${target_disk} ]]; do
echo echo
echo -n "> " echo -n "> "
read target_disk read target_disk
@@ -89,23 +166,23 @@ while [[ ! -b ${target_disk} ]]; do
continue continue
fi fi
echo echo
done done
for interface in $( ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do for interface in $( ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2 }' | tr -d ':' ); do
ip link set ${interface} up ip link set ${interface} up
done done
sleep 2 sleep 2
interfaces="$( interfaces="$(
ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2"\t"$3 }' | tr -d ':' ip address | grep '^[0-9]' | grep 'eno\|enp\|ens\|wlp' | awk '{ print $2"\t"$3 }' | tr -d ':'
)" )"
echo "3a) Please enter the primary network interface for external connectivity. If" echo "3a) Please enter the primary network interface for external connectivity. If"
echo "no entries are shown here, ensure a cable is connected, then restart the" echo "no entries are shown here, ensure a cable is connected, then restart the"
echo "installer with ^C and '/install.sh'." echo "installer with ^C and '/install.sh'."
echo echo
echo "Available interfaces:" echo "Available interfaces:"
echo echo
echo -e "$( sed 's/\(.*\)/ \1/' <<<"${interfaces[@]}" )" echo -e "$( sed 's/\(.*\)/ \1/' <<<"${interfaces[@]}" )"
while [[ -z ${target_interface} ]]; do while [[ -z ${target_interface} ]]; do
echo echo
echo -n "> " echo -n "> "
read target_interface read target_interface
@@ -121,11 +198,11 @@ while [[ -z ${target_interface} ]]; do
continue continue
fi fi
echo echo
done done
echo -n "3b) Is a tagged vLAN required for the primary network interface? [y/N] " echo -n "3b) Is a tagged vLAN required for the primary network interface? [y/N] "
read vlans_req read vlans_req
if [[ ${vlans_req} == 'y' || ${vlans_req} == 'Y' ]]; then if [[ ${vlans_req} == 'y' || ${vlans_req} == 'Y' ]]; then
echo echo
echo "Please enter the vLAN ID for the interface." echo "Please enter the vLAN ID for the interface."
while [[ -z ${vlan_id} ]]; do while [[ -z ${vlan_id} ]]; do
@@ -139,17 +216,17 @@ if [[ ${vlans_req} == 'y' || ${vlans_req} == 'Y' ]]; then
fi fi
done done
echo echo
else else
vlan_id="" vlan_id=""
echo echo
fi fi
echo "3c) Please enter the IP address, in CIDR format [X.X.X.X/YY], of the primary" 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 "network interface. Leave blank for DHCP configuration of the interface on boot."
echo echo
echo -n "> " echo -n "> "
read target_ipaddr read target_ipaddr
if [[ -n ${target_ipaddr} ]]; then if [[ -n ${target_ipaddr} ]]; then
target_netformat="static" target_netformat="static"
echo echo
echo "3d) Please enter the default gateway IP address of the primary" echo "3d) Please enter the default gateway IP address of the primary"
@@ -165,13 +242,13 @@ if [[ -n ${target_ipaddr} ]]; then
fi fi
echo echo
done done
else else
target_netformat="dhcp" target_netformat="dhcp"
echo echo
fi fi
echo -n "Bringing up primary network interface in ${target_netformat} mode... " echo -n "Bringing up primary network interface in ${target_netformat} mode... "
case ${target_netformat} in case ${target_netformat} in
'static') 'static')
if [[ -n ${vlan_id} ]]; then if [[ -n ${vlan_id} ]]; then
modprobe 8021q >&2 modprobe 8021q >&2
@@ -212,21 +289,21 @@ EOF
real_interface="${target_interface}" real_interface="${target_interface}"
fi fi
;; ;;
esac esac
echo "done." echo "done."
echo echo
echo -n "Waiting for networking to become ready... " echo -n "Waiting for networking to become ready... "
while ! ping -q -c 1 8.8.8.8 &>/dev/null; do while ! ping -q -c 1 8.8.8.8 &>/dev/null; do
sleep 1 sleep 1
done done
echo "done." echo "done."
echo echo
echo "4a) Please enter an alternate Debian release codename for the system if desired." echo "4a) Please enter an alternate Debian release codename for the system if desired."
echo " Supported: ${supported_debrelease}" echo " Supported: ${supported_debrelease}"
echo " Default: ${default_debrelease}" echo " Default: ${default_debrelease}"
while [[ -z ${debrelease} ]]; do while [[ -z ${debrelease} ]]; do
echo echo
echo -n "> " echo -n "> "
read debrelease read debrelease
@@ -240,11 +317,11 @@ while [[ -z ${debrelease} ]]; do
continue continue
fi fi
echo echo
done done
echo "4b) Please enter an HTTP URL for an alternate Debian mirror if desired." echo "4b) Please enter an HTTP URL for an alternate Debian mirror if desired."
echo " Default: ${default_debmirror}" echo " Default: ${default_debmirror}"
while [[ -z ${debmirror} ]]; do while [[ -z ${debmirror} ]]; do
echo echo
echo -n "> " echo -n "> "
read debmirror read debmirror
@@ -260,21 +337,22 @@ while [[ -z ${debmirror} ]]; do
echo echo
echo "Repository mirror '${debmirror}' successfully validated." echo "Repository mirror '${debmirror}' successfully validated."
echo echo
done done
echo "5) Please enter an HTTP URL containing a text list of SSH authorized keys to" target_keys_method="wget"
echo "fetch. These keys will be allowed access to the deployment user 'XXDEPLOYUSER'" echo "5) Please enter an HTTP URL containing a text list of SSH authorized keys to"
echo "via SSH." echo "fetch. These keys will be allowed access to the deployment user 'XXDEPLOYUSER'"
echo "" echo "via SSH."
echo "Leave blank to bypass this and use a password instead." echo ""
echo echo "Leave blank to bypass this and use a password instead."
echo -n "> " echo
read target_keys_url echo -n "> "
if [[ -z ${target_keys_url} ]]; then read target_keys_path
if [[ -z ${target_keys_path} ]]; then
echo echo
echo "No SSH keys URL specified. Falling back to password configuration." echo "No SSH keys URL specified. Falling back to password configuration."
echo echo
echo "5) Please enter a password (hidden), twice, for the deployment user 'XXDEPLOYUSERXX'." echo "5) Please enter a password (hidden), twice, for the deployment user '${target_deploy_user}'."
while [[ -z "${target_password}" ]]; do while [[ -z "${target_password}" ]]; do
echo echo
echo -n "> " echo -n "> "
@@ -290,18 +368,29 @@ if [[ -z ${target_keys_url} ]]; then
echo "The specified passwords do not match or are empty." echo "The specified passwords do not match or are empty."
fi fi
done done
else else
while ! wget -O /dev/null ${target_keys_url} &>/dev/null; do while ! wget -O /dev/null ${target_keys_path} &>/dev/null; do
echo echo
echo "Please enter a valid SSH keys URL." echo "Please enter a valid SSH keys URL."
echo echo
echo -n "> " echo -n "> "
read target_keys_url read target_keys_path
done done
echo echo
echo "SSH key source '${target_keys_url}' successfully validated." echo "SSH key source '${target_keys_path}' successfully validated."
fi fi
echo echo
}
case ${install_option} in
on)
seed_config
;;
*)
interactive_config
;;
esac
titlestring_text="| Proceeding with installation of host '${target_hostname}'. |" titlestring_text="| Proceeding with installation of host '${target_hostname}'. |"
titlestring_len="$(( $( wc -c <<<"${titlestring_text}" ) - 2 ))" titlestring_len="$(( $( wc -c <<<"${titlestring_text}" ) - 2 ))"
@@ -314,6 +403,8 @@ echo
echo "LOGFILE: ${logfile}" echo "LOGFILE: ${logfile}"
echo echo
exit 0
set -o errexit set -o errexit
exec 1> >( tee -ia ${logfile} ) exec 1> >( tee -ia ${logfile} )
exec 2> >( tee -ia ${logfile} >/dev/null ) exec 2> >( tee -ia ${logfile} >/dev/null )
@@ -480,14 +571,21 @@ echo "done."
echo -n "Adding deployment user... " echo -n "Adding deployment user... "
mv ${target}/home ${target}/var/home >&2 mv ${target}/home ${target}/var/home >&2
chroot ${target} useradd -u 200 -d /var/home/XXDEPLOYUSERXX -m -s /bin/bash -g operator -G sudo XXDEPLOYUSERXX >&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/XXDEPLOYUSERXX/.ssh chroot ${target} mkdir -p /var/home/${target_deploy_user}/.ssh
if [[ -n ${target_keys_url} ]]; then if [[ -n ${target_keys_path} ]]; then
wget -O ${target}/var/home/XXDEPLOYUSERXX/.ssh/authorized_keys ${target_keys_url} case ${target_keys_method} in
chroot ${target} chmod 0600 /var/home/XXDEPLOYUSERXX/.ssh/authorized_keys wget)
chroot ${target} chown -R XXDEPLOYUSERXX:operator /var/home/XXDEPLOYUSERXX 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 else
echo "XXDEPLOYUSERXX:${target_password}" | chroot ${target} chpasswd >&2 echo "${target_deploy_user}:${target_password}" | chroot ${target} chpasswd >&2
fi fi
echo "done." echo "done."

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pxelinux.0 Normal file
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