mirror of
https://github.com/bashclub/proxmox-zfs-postinstall.git
synced 2025-11-04 00:32:26 +01:00
Complete rework, added pve-conf-backup
This commit is contained in:
146
install.sh
146
install.sh
@@ -1,18 +1,115 @@
|
||||
#!/bin/bash
|
||||
|
||||
###### CONFIG SECTION ######
|
||||
|
||||
# Define basic tools to install
|
||||
TOOLS="vim ifupdown2 net-tools dnsutils ethtool git curl unzip screen iftop lshw smartmontools nvme-cli lsscsi sysstat zfs-auto-snapshot htop mc rpl"
|
||||
|
||||
# Define zfs-auto-snapshot retention policy
|
||||
SNAP_FREQUENT=8
|
||||
SNAP_HOURLY=48
|
||||
SNAP_DAILY=31
|
||||
SNAP_WEEKLY=8
|
||||
SNAP_MONTHLY=3
|
||||
# Define target dataset for backup of /etc
|
||||
# IMPORTANT NOTE: Don't type in the leading /, this will be set where needed
|
||||
PVE_CONF_BACKUP_TARGET=rpool/pveconf
|
||||
|
||||
# Define zfs arcsize in Megabytes (MB)
|
||||
ZFS_ARC_MIN=128
|
||||
ZFS_ARC_MAX=256
|
||||
# Define timer for your backup cronjob (default: every 15 minutes)
|
||||
PVE_CONF_BACKUP_CRON_TIMER="*/15 * * * *"
|
||||
|
||||
###### SYSTEM INFO AND INTERACTIVE CONFIGURATION SECTION ######
|
||||
|
||||
#### L1ARC SIZE CONFIGURATION ####
|
||||
|
||||
# get total size of all zpools
|
||||
ZPOOL_SIZE_SUM_BYTES=0
|
||||
zpool list -o size -Hp | while read size_per_pool; do
|
||||
ZPOOL_SIZE_SUM_BYTES=$(($ZPOOL_SIZE_SUM_BYTES + $size_per_pool))
|
||||
done
|
||||
|
||||
# get information about available ram
|
||||
MEM_TOTAL_BYTES=$(free -tb | tail -1 | cut -d ' ' -f3)
|
||||
|
||||
# get values if defaults are set
|
||||
ARC_MAX_DEFAULT_BYTES=$((MEM_TOTAL / 2))
|
||||
ARC_MIN_DEFAULT_BYTES=$((MEM_TOTAL / 32))
|
||||
|
||||
# get current settings
|
||||
ARC_MIN_SET_BYTES=$(cat /sys/module/zfs/parameters/zfs_arc_min)
|
||||
ARC_MAX_SET_BYTES=$(cat /sys/module/zfs/parameters/zfs_arc_max)
|
||||
|
||||
# calculate suggested l1arc sice
|
||||
ZFS_ARC_MIN_BYTES=$(($ZPOOL_SIZE_SUM_BYTES / 4096))
|
||||
ZFS_ARC_MAX_BYTES=$(($ZPOOL_SIZE_SUM_BYTES / 1024))
|
||||
|
||||
echo -e "######## CONFIGURE ZFS L1ARC SIZE ########\n"
|
||||
echo "System Summary:"
|
||||
echo -e "\tSystem Memory:\t$(($MEM_TOTAL_BYTES / 1024 / 1024)) MB"
|
||||
echo -e "\tZpool size (sum):\t$(($ZPOOL_SIZE_SUM_BYTES / 1024 / 1024)) MB"
|
||||
echo -e "Calculated l1arc if set to defaults:"
|
||||
if [ $ARC_MIN_DEFAULT_BYTES -lt 33554432 ]; then
|
||||
echo -e "\tDefault zfs_arc_min:\t32 MB"
|
||||
else
|
||||
echo -e "\tDefault zfs_arc_min:\t$(($ARC_MIN_DEFAULT_BYTES / 1024 / 1024)) MB"
|
||||
fi
|
||||
echo -e "\tDefault zfs_arc_max:\t$(($ARC_MAX_DEFAULT_BYTES / 1024 / 1024)) MB"
|
||||
echo -e "Current l1arc configuration:"
|
||||
if [ $ARC_MIN_SET_BYTES > 0]; then
|
||||
echo -e "\tCurrent zfs_arc_min:\t$(($ARC_MIN_SET_BYTES / 1024 / 1024)) MB"
|
||||
else
|
||||
echo -e "\tCurrent zfs_arc_min:\t0"
|
||||
fi
|
||||
if [ $ARC_MAX_SET_BYTES > 0]; then
|
||||
echo -e "\tCurrent zfs_arc_max:\t$(($ARC_MAX_SET_BYTES / 1024 / 1024)) MB"
|
||||
else
|
||||
echo -e "\tCurrent zfs_arc_max:\t0"
|
||||
fi
|
||||
echo -e "Note: If your current values are 0, the calculated values above will apply."
|
||||
echo ""
|
||||
echo "The l1arc cache will be set relative to the size (sum) of your zpools by the policy 'zfs_arc_min = 256 MB / 1 TB' and 'zfs_arc_max = 1 GB / 1 TB'"
|
||||
echo "zfs_arc_min=\t$(($ZFS_ARC_MIN_BYTES / 1024 / 1024)) MB"
|
||||
echo "zfs_arc_max=\t$(($ZFS_ARC_MAX_BYTES / 1024 / 1024)) MB"
|
||||
echo ""
|
||||
RESULT=not_set
|
||||
while [[ "$(echo $RESULT | awk '{print tolower($0)}')" != "y" ]] && [[ "$(echo $RESULT | awk '{print tolower($0)}')" != "n"]]; do
|
||||
echo "You can now adjust the l1arc values. Change settings [y/N]?"
|
||||
read
|
||||
RESULT=${REPLY}
|
||||
done
|
||||
if [[ "$(echo $RESULT | awk '{print tolower($0)}')" == "y" ]]; then
|
||||
echo "Please type in the desired value in MB for 'zfs_arc_min' [$(($ZFS_ARC_MIN_BYTES / 1024 / 1024))]:"
|
||||
read
|
||||
if [[ ${REPLY} -gt 0 ]]; then
|
||||
$ZFS_ARC_MIN_BYTES=$((${REPLY} * 1024 * 1024))
|
||||
fi
|
||||
echo "Please type in the desired value in MB for 'zfs_arc_max' [$(($ZFS_ARC_MAX_BYTES / 1024 / 1024))]:"
|
||||
read
|
||||
if [[ ${REPLY} -gt 0 ]]; then
|
||||
$ZFS_ARC_MAX_BYTES=$((${REPLY} * 1024 * 1024))
|
||||
fi
|
||||
fi
|
||||
|
||||
#### ZFS AUTO SNAPSHOT CONFIGURATION ####
|
||||
|
||||
# get information about zfs-auto-snapshot and ask for snapshot retention
|
||||
dpkg -l zfs-auto-snapshot
|
||||
declare -A auto_snap_keep
|
||||
if [ $1 -ne 0 ]; then
|
||||
auto_snap_keep["frequent"]=8 ; auto_snap_keep["hourly"]=48 ; auto_snap_keep["daily"]=31 ; auto_snap_keep["weekly"]=8 ; auto_snap_keep["monthly"]=3
|
||||
else
|
||||
for interval in "${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
|
||||
echo -e "######## CONFIGURE ZFS AUTO SNAPSHOT ########\n"
|
||||
for interval in "${auto_snap_keep[@]}"; do
|
||||
echo "Please set how many $interval snapshots to keep (current: keep=${auto_snap_keep[$interval]})"
|
||||
read
|
||||
if [ "${auto_snap_keep[$interval]}" != "${REPLY}" ]; then
|
||||
auto_snap_keep["$interval"]=${REPLY}
|
||||
fi
|
||||
done
|
||||
|
||||
###### INSTALLER SECTION ######
|
||||
|
||||
# disable pve-enterprise repo and add pve-no-subscription repo
|
||||
mv /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/sources.list.d/pve-enterprise.list.bak
|
||||
@@ -24,15 +121,19 @@ DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt -y -qq dist-upgrade
|
||||
DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt -y -qq install $TOOLS
|
||||
|
||||
# configure zfs-auto-snapshot
|
||||
rpl "keep=4" "keep=$SNAP_FREQUENT" /etc/cron.d/zfs-auto-snapshot
|
||||
rpl "keep=24" "keep=$SNAP_HOURLY" /etc/cron.hourly/zfs-auto-snapshot
|
||||
rpl "keep=31" "keep=$SNAP_DAILY" /etc/cron.hourly/zfs-auto-snapshot
|
||||
rpl "keep=8" "keep=$SNAP_WEEKLY" /etc/cron.weekly/zfs-auto-snapshot
|
||||
rpl "keep=8" "keep=$SNAP_MONTHLY" /etc/cron.monthly/zfs-auto-snapshot
|
||||
|
||||
# set zfs_arc_limits
|
||||
ZFS_ARC_MIN_BYTES=$(($ZFS_ARC_MIN*1024*1024))
|
||||
ZFS_ARC_MAX_BYTES=$(($ZFS_ARC_MAX*1024*1024))
|
||||
for interval in "${auto_snap_keep[@]}"; do
|
||||
if [[ "$interval" == "frequent" ]]; then
|
||||
CURRENT=$(cat /etc/cron.d/zfs-auto-snapshot | grep keep | cut -d' ' -f19 | cut -d '=' -f2)
|
||||
if [[ "${auto_snap_keep[$interval]}" != "$CURRENT" ]]; then
|
||||
rpl "keep=$CURRENT" "keep=${auto_snap_keep[$interval]}" /etc/cron.d/zfs-auto-snapshot
|
||||
fi
|
||||
else
|
||||
CURRENT=$(cat /etc/cron.$interval/zfs-auto-snapshot | grep keep | cut -d' ' -f6 | cut -d'=' -f2)
|
||||
if [[ "${auto_snap_keep[$interval]}" != "$CURRENT"]]; then
|
||||
rpl "keep=$CURRENT" "keep=${auto_snap_keep[$interval]}" /etc/cron.$interval/zfs-auto-snapshot
|
||||
fi
|
||||
fi
|
||||
done
|
||||
|
||||
echo $ZFS_ARC_MIN_BYTES > /sys/module/zfs/parameters/zfs_arc_min
|
||||
echo $ZFS_ARC_MAX_BYTES > /sys/module/zfs/parameters/zfs_arc_max
|
||||
@@ -42,3 +143,12 @@ options zfs zfs_arc_min=$ZFS_ARC_MIN_BYTES
|
||||
options zfs zfs_arc_min=$ZFS_ARC_MAX_BYTES
|
||||
EOF
|
||||
update-initramfs -u -k all
|
||||
|
||||
# create backup jobs of /etc
|
||||
zfs list $PVE_CONF_BACKUP_TARGET
|
||||
|
||||
if [ $? -ne 0 ]
|
||||
zfs create $PVE_CONF_BACKUP_TARGET
|
||||
fi
|
||||
|
||||
echo "$PVE_CONF_BACKUP_CRON_TIMER root rsync -rtvupo /etc /$PVE_CONF_BACKUP_TARGET" > /etc/cron.d/pve-conf-backup
|
||||
Reference in New Issue
Block a user