mirror of
https://github.com/bashclub/proxmox-zfs-postinstall.git
synced 2024-11-07 18:31:58 +01:00
First commit of new postinstaller
This commit is contained in:
parent
ba1c8f854f
commit
39521a9b03
189
pve-zfs-postinstall.sh
Normal file
189
pve-zfs-postinstall.sh
Normal file
@ -0,0 +1,189 @@
|
||||
#!/bin/bash
|
||||
#
|
||||
# This script configures basic settings and install standard tools on your Proxmox VE Server with ZFS storage
|
||||
#
|
||||
# Features:
|
||||
# - Configure ZFS ARC Cache
|
||||
# - Configure vm.swappiness
|
||||
# - Install and configure zfs-auto-snapshot
|
||||
# - Switch pve-enterprise/pve-no-subscription repo
|
||||
# - Disable "No subscription message" in webinterface in no-subscription mode
|
||||
# - Update system to the latest version
|
||||
# - Install common tools
|
||||
# - Install Proxmox SDN Extensions
|
||||
# - Configure automatic backup of /etc Folder
|
||||
# - Configure locales
|
||||
# - SSH server hardening
|
||||
# - Configure proxmox mail delivery with postfix
|
||||
# - Adjust default volblocksize for Proxmox zfspool storages
|
||||
# - Create zfspool storage for swap disks if not exists
|
||||
#
|
||||
#
|
||||
# Author: (C) 2023 Thorsten Spille <thorsten@bashclub.org>
|
||||
|
||||
set -uo pipefail
|
||||
|
||||
#### INITIAL VARIABLES ####
|
||||
PROG=$(basename "$0")
|
||||
|
||||
# Required tools for usage in postinstall
|
||||
REQUIRED_TOOLS="curl ifupdown2 git gron libsasl2-modules lsb-release libpve-network-perl postfix ssl-cert zfs-auto-snapshot"
|
||||
|
||||
# Optional tools to install
|
||||
OPTIONAL_TOOLS="dnsutils ethtool htop iftop jq lshw lsscsi mc net-tools nvme-cli rpl screen smartmontools sudo sysstat tmux unzip vim"
|
||||
|
||||
# Settings for Backup of /etc folder
|
||||
PVE_CONF_BACKUP_TARGET=rpool/pveconf
|
||||
PVE_CONF_BACKUP_CRON_TIMER="3,18,33,48 * * * *"
|
||||
|
||||
# Round factor to set L1ARC cache (Megabytes)
|
||||
ROUND_FACTOR=512
|
||||
|
||||
# get total size of all zpools
|
||||
ZPOOL_SIZE_SUM_BYTES=0
|
||||
for line in $(zpool list -o size -Hp); do ZPOOL_SIZE_SUM_BYTES=$(($ZPOOL_SIZE_SUM_BYTES+$line)); done
|
||||
|
||||
# get information about available ram
|
||||
MEM_TOTAL_BYTES=$(($(awk '/MemTotal/ {print $2}' /proc/meminfo) * 1024))
|
||||
|
||||
# get values if defaults are set
|
||||
ARC_MAX_DEFAULT_BYTES=$(($MEM_TOTAL_BYTES / 2))
|
||||
ARC_MIN_DEFAULT_BYTES=$(($MEM_TOTAL_BYTES / 32))
|
||||
|
||||
# get current settings
|
||||
ARC_MIN_CUR_BYTES=$(cat /sys/module/zfs/parameters/zfs_arc_min)
|
||||
ARC_MAX_CUR_BYTES=$(cat /sys/module/zfs/parameters/zfs_arc_max)
|
||||
|
||||
# get vm.swappiness
|
||||
SWAPPINESS=$(cat /proc/sys/vm/swappiness)
|
||||
|
||||
# zfs-auto-snapshot default values
|
||||
declare -A auto_snap_keep=( ["frequent"]="12" ["hourly"]="96" ["daily"]="14" ["weekly"]="6" ["monthly"]="3" )
|
||||
|
||||
#### FUNCTIONS ####
|
||||
|
||||
roundup(){
|
||||
echo $(((($1 + $ROUND_FACTOR) / $ROUND_FACTOR) * $ROUND_FACTOR))
|
||||
}
|
||||
|
||||
roundoff(){
|
||||
echo $((($1 / $ROUND_FACTOR) * $ROUND_FACTOR))
|
||||
}
|
||||
|
||||
isnumber(){
|
||||
re='^[0-9]+$'
|
||||
if ! [[ $1 =~ $re ]] ; then
|
||||
return 1
|
||||
else
|
||||
return 0
|
||||
fi
|
||||
}
|
||||
|
||||
inputbox_int(){
|
||||
cancel=0
|
||||
while true; do
|
||||
if ! out=$(whiptail --title "$1" --backtitle "$PROG" --inputbox "$2" $3 76 $4 3>&1 1>&2 2>&3) ; then
|
||||
cancel=1 ; break
|
||||
fi
|
||||
if isnumber $out; then
|
||||
break
|
||||
fi
|
||||
done
|
||||
echo $out
|
||||
return $cancel
|
||||
}
|
||||
|
||||
cancel_dialog() {
|
||||
whiptail --title "CANCEL POSTINSTALL" --backtitle $PROG --msgbox "Postinstall was cancelled by user interaction" 8 76 3>&1 1>&2 2>&3
|
||||
exit 127
|
||||
}
|
||||
|
||||
arc_suggestion(){
|
||||
|
||||
ZFS_ARC_MIN_MEGABYTES=$(roundoff $(($ZPOOL_SIZE_SUM_BYTES / 2048 / 1024 / 1024)))
|
||||
ZFS_ARC_MAX_MEGABYTES=$(roundup $(($ZPOOL_SIZE_SUM_BYTES / 1024 / 1024 / 1024)))
|
||||
|
||||
if [ $ARC_MIN_DEFAULT_BYTES -lt 33554432 ]; then ARC_MIN_DEFAULT_MB="32" ; else ARC_MIN_DEFAULT_MB="$(($ARC_MIN_DEFAULT_BYTES / 1024 / 1024))" ; fi
|
||||
if [ $ARC_MIN_CUR_BYTES -gt 0 ]; then ARC_MIN_CURRENT_MB="$(($ARC_MIN_CUR_BYTES / 1024 / 1024))" ; else ARC_MIN_CURRENT_MB="0" ; fi
|
||||
if [ $ARC_MAX_CUR_BYTES -gt 0 ]; then ARC_MAX_CURRENT_MB="$(($ARC_MAX_CUR_BYTES / 1024 / 1024))" ; else ARC_MAX_CURRENT_MB="0" ; fi
|
||||
|
||||
if ! whiptail --title "CONFIGURE ZFS L1ARC SIZE" \
|
||||
--backtitle $PROG \
|
||||
--yes-button "Accept" \
|
||||
--no-button "Edit" \
|
||||
--yesno " Summary: \n \
|
||||
System Memory: $(($MEM_TOTAL_BYTES / 1024 / 1024)) MB\n \
|
||||
Zpool size (sum): $(($ZPOOL_SIZE_SUM_BYTES / 1024 / 1024)) MB\n \
|
||||
\n \
|
||||
Note: zfs_arc_min must always be lower than zfs_arc_max! \n\n \
|
||||
The L1ARC cache suggestion is calculated by size of all zpools \n\n \
|
||||
Suggested values: \n \
|
||||
zfs_arc_min: $(($ZFS_ARC_MIN_MEGABYTES)) MB (default: $ARC_MIN_DEFAULT_MB MB, current: $ARC_MIN_CURRENT_MB MB)\n \
|
||||
zfs_arc_max: $(($ZFS_ARC_MAX_MEGABYTES)) MB (default: $(($ARC_MAX_DEFAULT_BYTES / 1024 / 1024)) MB, current: $ARC_MAX_CURRENT_MB MB)\n" 17 76; then
|
||||
arc_set_manual
|
||||
fi
|
||||
}
|
||||
|
||||
arc_set_manual() {
|
||||
if ! ZFS_ARC_MIN_MEGABYTES=$(inputbox_int 'CONFIGURE ZFS L1ARC MIN SIZE' 'Please enter zfs_arc_min in MB' 7 $ZFS_ARC_MIN_MEGABYTES) ; then cancel_dialog ; fi
|
||||
if ! ZFS_ARC_MAX_MEGABYTES=$(inputbox_int 'CONFIGURE ZFS L1ARC MAX SIZE' 'Please enter zfs_arc_max in MB' 7 $ZFS_ARC_MAX_MEGABYTES) ; then cancel_dialog ; fi
|
||||
}
|
||||
|
||||
vm_swappiness () {
|
||||
if ! SWAPPINESS=$(inputbox_int "CONFIGURE SWAPPINESS" "Please enter percentage of free RAM to start swapping" 8 $SWAPPINESS) ; then cancel_dialog ; fi
|
||||
}
|
||||
|
||||
auto_snapshot(){
|
||||
if dpkg -l zfs-auto-snapshot > /dev/null 2>&1 ; then
|
||||
for interval in "${!auto_snap_keep[@]}"; do
|
||||
if [[ "$interval" == "frequent" ]]; then
|
||||
auto_snap_keep[$interval]=$(cat /etc/cron.d/zfs-auto-snapshot | grep keep | cut -d' ' -f19 | cut -d '=' -f2)
|
||||
else
|
||||
auto_snap_keep[$interval]=$(cat /etc/cron.$interval/zfs-auto-snapshot | grep keep | cut -d' ' -f6 | cut -d'=' -f2)
|
||||
fi
|
||||
done
|
||||
fi
|
||||
for interval in "${!auto_snap_keep[@]}"; do
|
||||
if ! auto_snap_keep[$interval]=$(inputbox_int "CONFIGURE ZFS-AUTO-SNAPSHOT" "Please set number of $interval snapshots to keep" 7 ${auto_snap_keep[$interval]}) ; then cancel_dialog ; fi
|
||||
done
|
||||
}
|
||||
|
||||
select_pve_repos() {
|
||||
pveenterprise=OFF
|
||||
pvenosubscription=OFF
|
||||
pvetest=OFF
|
||||
if [ -f /etc/apt/sources.list.d/pve-enterprise.list ]; then
|
||||
if $(grep -v '#' /etc/apt/sources.list.d/pve-enterprise.list | grep "pve-enterprise") ; then
|
||||
pveenterprise=ON
|
||||
else
|
||||
if [ -f /etc/apt/sources.list ]; then
|
||||
if $(grep -v '#' /etc/apt/sources.list | grep "pve-no-subscription") ; then
|
||||
pvenosubscription=ON
|
||||
elif $(grep -v '#' /etc/apt/sources.list | grep "pvetest") ; then
|
||||
pvetest=ON
|
||||
else
|
||||
pveenterprise=ON
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
whiptail --title "SELECT PVE REPOSITORY" --backtitle "$PROG" \
|
||||
--radiolist "Choose Proxmox VE repository" 20 76 4 \
|
||||
"pve-enterprise" "Proxmox VE Enterprise repository" "$pveenterprise" \
|
||||
"pve-no-subscription" "Proxmox VE No Subscription repository" "$pvenosubscription" \
|
||||
"pvetest" "Proxmox VE Testing repository" "$pvetest"
|
||||
|
||||
}
|
||||
|
||||
source /etc/os-release
|
||||
|
||||
# Calculate and suggest values for ZFS L1ARC cache
|
||||
arc_suggestion
|
||||
|
||||
# Set swapping behaviour
|
||||
vm_swappiness
|
||||
|
||||
# Configure count per interval of zfs-auto-snapshot
|
||||
auto_snapshot
|
||||
|
||||
# Select proxmox repository
|
||||
select_pve_repos
|
||||
Loading…
Reference in New Issue
Block a user