remove_0.8.4_build

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root 2020-07-19 17:10:19 +02:00
parent 1b460e5cea
commit 009632bef4
13 changed files with 0 additions and 449 deletions

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#!/bin/bash
apt update
apt-get install python3 python3-dev python3-setuptools python3-cffi dkms python3-distutils gdebi -y
apt remove zfs libuutil1 libnvpair1 -y
apt remove "zfs*" -y
apt remove "zpool*" -y
apt remove "*zfs*" -y
apt remove "*zpool*" -y
apt autoremove -y
for file in *$1*.deb; do sudo gdebi -q --non-interactive $file; done
cp zfSnap /usr/sbin/zfSnap
chmod 755 /usr/sbin/zfSnap
echo "$(grep -ve "^zfs$" /etc/modules-load.d/modules.conf)" > /etc/modules-load.d/modules.conf
echo zfs >> /etc/modules-load.d/modules.conf

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#!/bin/sh
# "THE BEER-WARE LICENSE":
# <graudeejs@yandex.com> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return. Aldis Berjoza
# wiki: https://github.com/graudeejs/zfSnap/wiki
# repository: https://github.com/graudeejs/zfSnap
# Bug tracking: https://github.com/graudeejs/zfSnap/issues
readonly VERSION=1.11.1
ESED='sed -E'
zfs_cmd='/sbin/zfs'
zpool_cmd='/sbin/zpool'
note() {
echo "NOTE: $*" > /dev/stderr
}
err() {
echo "ERROR: $*" > /dev/stderr
}
fatal() {
echo "FATAL: $*" > /dev/stderr
exit 1
}
warn() {
echo "WARNING: $*" > /dev/stderr
}
OS=`uname`
case $OS in
'FreeBSD')
;;
'SunOS')
ESED='sed -r'
if [ -d "/usr/gnu/bin" ]; then
export PATH="/usr/gnu/bin:$PATH"
else
fatal "GNU bin direcotry not found"
fi
;;
'Linux'|'GNU/kFreeBSD')
ESED='sed -r'
;;
'Darwin')
zfs_cmd='/usr/sbin/zfs'
zpool_cmd='/usr/sbin/zpool'
;;
*)
fatal "Your OS isn't supported"
;;
esac
is_true() {
case "$1" in
[Tt][Rr][Uu][Ee])
return 0
;;
[Ff][Aa][Ll][Ss][Ee])
return 1
;;
*)
fatal "must be yes or no"
;;
esac
}
is_false() {
is_true $1 && return 1 || return 0
}
s2time() {
# convert seconds to human readable time
xtime=$1
years=$(($xtime / 31536000))
xtime=$(($xtime % 31536000))
[ ${years:-0} -gt 0 ] && years="${years}y" || years=""
months=$(($xtime / 2592000))
xtime=$(($xtime % 2592000))
[ ${months:-0} -gt 0 ] && months="${months}m" || months=""
days=$(($xtime / 86400))
xtime=$(($xtime % 86400))
[ ${days:-0} -gt 0 ] && days="${days}d" || days=""
hours=$(($xtime / 3600))
xtime=$(($xtime % 3600))
[ ${hours:-0} -gt 0 ] && hours="${hours}h" || hours=""
minutes=$(($xtime / 60))
[ ${minutes:-0} -gt 0 ] && minutes="${minutes}M" || minutes=""
seconds=$(($xtime % 60))
[ ${seconds:-0} -gt 0 ] && seconds="${seconds}s" || seconds=""
echo "${years}${months}${days}${hours}${minutes}${seconds}"
}
time2s() {
# convert human readable time to seconds
echo "$1" | sed -e 's/y/*31536000+/g; s/m/*2592000+/g; s/w/*604800+/g; s/d/*86400+/g; s/h/*3600+/g; s/M/*60+/g; s/s//g; s/\+$//' | bc -l
}
date2timestamp() {
date_normal="`echo $1 | $ESED -e 's/\./:/g; s/(20[0-9][0-9]-[01][0-9]-[0-3][0-9])_([0-2][0-9]:[0-5][0-9]:[0-5][0-9])/\1 \2/'`"
case $OS in
'FreeBSD' | 'Darwin' )
date -j -f '%Y-%m-%d %H:%M:%S' "$date_normal" '+%s'
;;
*)
date --date "$date_normal" '+%s'
;;
esac
}
help() {
cat << EOF
${0##*/} v${VERSION} by Aldis Berjoza
Syntax:
${0##*/} [ generic options ] [ options ] zpool/filesystem ...
GENERIC OPTIONS:
-d = Delete old snapshots
-e = Return number of failed actions as exit code.
-F age = Force delete all snapshots exceeding age
-n = Only show actions that would be performed
-s = Don't do anything on pools running resilver
-S = Don't do anything on pools running scrub
-v = Verbose output
-z = Force new snapshots to have 00 seconds!
-zpool28fix = Workaround for zpool v28 zfs destroy -r bug
OPTIONS:
-a ttl = Set how long snapshot should be kept
-D pool/fs = Delete all zfSnap snapshots of specific pool/fs (ignore ttl)
-p prefix = Use prefix for snapshots after this switch
-P = Don't use prefix for snapshots after this switch
-r = Create recursive snapshots for all zfs file systems that
fallow this switch
-R = Create non-recursive snapshots for all zfs file systems that
fallow this switch
LINKS:
wiki: https://github.com/graudeejs/zfSnap/wiki
repository: https://github.com/graudeejs/zfSnap
Bug tracking: https://github.com/graudeejs/zfSnap/issues
EOF
exit 0
}
rm_zfs_snapshot() {
if is_true $zpool28fix && [ "$1" = '-r' ]; then
# get rid of '-r' parameter
rm_zfs_snapshot $2
return
fi
if [ "$1" = '-r' ]; then
skip_pool $2 || return 1
else
skip_pool $1 || return 1
fi
zfs_destroy="$zfs_cmd destroy $*"
# hardening: make really, really sure we are deleting snapshot
if echo $i | grep -q -e '@'; then
if is_false $dry_run; then
if $zfs_destroy > /dev/stderr; then
is_true $verbose && echo "$zfs_destroy ... DONE"
else
is_true $verbose && echo "$zfs_destroy ... FAIL"
is_true $count_failures && failures=$(($failures + 1))
fi
else
echo "$zfs_destroy"
fi
else
echo "FATAL: trying to delete zfs pool or filesystem? WTF?" > /dev/stderr
echo " This is bug, we definitely don't want that." > /dev/stderr
echo " Please report it to https://github.com/graudeejs/zfSnap/issues" > /dev/stderr
echo " Don't panic, nothing was deleted :)" > /dev/stderr
is_true $count_failures && [ $failures -gt 0 ] && exit $failures
exit 1
fi
}
skip_pool() {
# more like skip pool???
if is_true $scrub_skip; then
for i in $scrub_pools; do
if [ `echo $1 | sed -e 's#/.*$##; s/@.*//'` = $i ]; then
is_true $verbose && note "No action will be performed on '$1'. Scrub is running on pool."
return 1
fi
done
fi
if is_true $resilver_skip; then
for i in $resilver_pools; do
if [ `echo $1 | sed -e 's#/.*$##; s/@.*//'` = $i ]; then
is_true $verbose && note "No action will be performed on '$1'. Resilver is running on pool."
return 1
fi
done
fi
return 0
}
[ $# = 0 ] && help
[ "$1" = '-h' -o $1 = "--help" ] && help
ttl='1m' # default snapshot ttl
force_delete_snapshots_age=-1 # Delete snapshots older than x seconds. -1 means NO
delete_snapshots="false" # Delete old snapshots?
verbose="false" # Verbose output?
dry_run="false" # Dry run?
prefx="" # Default prefix
prefxes="" # List of prefixes
delete_specific_fs_snapshots="" # List of specific snapshots to delete
delete_specific_fs_snapshots_recursively="" # List of specific snapshots to delete recursively
zero_seconds="false" # Should new snapshots always have 00 seconds?
scrub_pools="" # List of pools that are in precess of scrubing
resilver_pools="" # List of pools that are in process of resilvering
pools="" # List of pools
get_pools="false" # Should I get list of pools?
resilver_skip="false" # Should I skip processing pools in process of resilvering.
scrub_skip="false" # Should I skip processing pools in process of scrubing.
failures=0 # Number of failed actions.
count_failures="false" # Should I coundt failed actions?
zpool28fix="false" # Workaround for zpool v28 zfs destroy -r bug
while [ "$1" = '-d' -o "$1" = '-v' -o "$1" = '-n' -o "$1" = '-F' -o "$1" = '-z' -o "$1" = '-s' -o "$1" = '-S' -o "$1" = '-e' -o "$1" = '-zpool28fix' ]; do
case "$1" in
'-d')
delete_snapshots="true"
shift
;;
'-v')
verbose="true"
shift
;;
'-n')
dry_run="true"
shift
;;
'-F')
force_delete_snapshots_age=`time2s $2`
shift 2
;;
'-z')
zero_seconds="true"
shift
;;
'-s')
get_pools="true"
resilver_skip="true"
shift
;;
'-S')
get_pools="true"
scrub_skip="true"
shift
;;
'-e')
count_failures="true"
shift
;;
'-zpool28fix')
zpool28fix="true"
shift
;;
esac
done
if is_true $get_pools; then
pools=`$zpool_cmd list -H -o name`
for i in $pools; do
if is_true $resilver_skip; then
$zpool_cmd status $i | grep -q -e 'resilver in progress' && resilver_pools="$resilver_pools $i"
fi
if is_true $scrub_skip; then
$zpool_cmd status $i | grep -q -e 'scrub in progress' && scrub_pools="$scrub_pools $i"
fi
done
fi
readonly date_pattern='20[0-9][0-9]-[01][0-9]-[0-3][0-9]_[0-2][0-9]\.[0-5][0-9]\.[0-5][0-9]'
if is_false $zero_seconds; then
readonly tfrmt='%Y-%m-%d_%H.%M.%S'
else
readonly tfrmt='%Y-%m-%d_%H.%M.00'
fi
readonly htime_pattern='([0-9]+y)?([0-9]+m)?([0-9]+w)?([0-9]+d)?([0-9]+h)?([0-9]+M)?([0-9]+[s]?)?'
is_true $dry_run && zfs_list=`$zfs_cmd list -H -o name`
ntime=`date "+$tfrmt"`
while [ "$1" ]; do
while [ "$1" = '-r' -o "$1" = '-R' -o "$1" = '-a' -o "$1" = '-p' -o "$1" = '-P' -o "$1" = '-D' ]; do
case "$1" in
'-r')
zopt='-r'
shift
;;
'-R')
zopt=''
shift
;;
'-a')
ttl="$2"
echo "$ttl" | grep -q -E -e "^[0-9]+$" && ttl=`s2time $ttl`
shift 2
;;
'-p')
prefx="$2"
prefxes="$prefxes|$prefx"
shift 2
;;
'-P')
prefx=""
shift
;;
'-D')
if [ "$zopt" != '-r' ]; then
delete_specific_fs_snapshots="$delete_specific_fs_snapshots $2"
else
delete_specific_fs_snapshots_recursively="$delete_specific_fs_snapshots_recursively $2"
fi
shift 2
;;
esac
done
# create snapshots
if [ $1 ]; then
if skip_pool $1; then
if [ $1 = `echo $1 | $ESED -e 's/^-//'` ]; then
zfs_snapshot="$zfs_cmd snapshot $zopt $1@${prefx}${ntime}--${ttl}${postfx}"
if is_false $dry_run; then
if $zfs_snapshot > /dev/stderr; then
is_true $verbose && echo "$zfs_snapshot ... DONE"
else
is_true $verbose && echo "$zfs_snapshot ... FAIL"
is_true $count_failures && failures=$(($failures + 1))
fi
else
printf "%s\n" $zfs_list | grep -m 1 -q -E -e "^$1$" \
&& echo "$zfs_snapshot" \
|| err "Looks like zfs filesystem '$1' doesn't exist"
fi
else
warn "'$1' doesn't look like valid argument. Ignoring"
fi
fi
shift
fi
done
prefxes=`echo "$prefxes" | sed -e 's/^\|//'`
# delete snapshots
if is_true $delete_snapshots || [ $force_delete_snapshots_age -ne -1 ]; then
if is_false $zpool28fix; then
zfs_snapshots=`$zfs_cmd list -H -o name -t snapshot | grep -E -e "^.*@(${prefxes})?${date_pattern}--${htime_pattern}$" | sed -e 's#/.*@#@#'`
else
zfs_snapshots=`$zfs_cmd list -H -o name -t snapshot | grep -E -e "^.*@(${prefxes})?${date_pattern}--${htime_pattern}$"`
fi
current_time=`date +%s`
for i in `echo $zfs_snapshots | xargs printf "%s\n" | $ESED -e "s/^.*@//" | sort -u`; do
create_time=$(date2timestamp `echo "$i" | $ESED -e "s/--${htime_pattern}$//; s/^(${prefxes})?//"`)
if is_true $delete_snapshots; then
stay_time=$(time2s `echo $i | $ESED -e "s/^(${prefxes})?${date_pattern}--//"`)
[ $current_time -gt $(($create_time + $stay_time)) ] \
&& rm_snapshot_pattern="$rm_snapshot_pattern $i"
fi
if [ "$force_delete_snapshots_age" -ne -1 ]; then
[ $current_time -gt $(($create_time + $force_delete_snapshots_age)) ] \
&& rm_snapshot_pattern="$rm_snapshot_pattern $i"
fi
done
if [ "$rm_snapshot_pattern" != '' ]; then
rm_snapshots=$(echo $zfs_snapshots | xargs printf '%s\n' | grep -E -e "@`echo $rm_snapshot_pattern | sed -e 's/ /|/g'`" | sort -u)
for i in $rm_snapshots; do
rm_zfs_snapshot -r $i
done
fi
fi
# delete all snap
if [ "$delete_specific_fs_snapshots" != '' ]; then
rm_snapshots=`$zfs_cmd list -H -o name -t snapshot | grep -E -e "^($(echo "$delete_specific_fs_snapshots" | tr ' ' '|'))@(${prefxes})?${date_pattern}--${htime_pattern}$"`
for i in $rm_snapshots; do
rm_zfs_snapshot $i
done
fi
if [ "$delete_specific_fs_snapshots_recursively" != '' ]; then
rm_snapshots=`$zfs_cmd list -H -o name -t snapshot | grep -E -e "^($(echo "$delete_specific_fs_snapshots_recursively" | tr ' ' '|'))@(${prefxes})?${date_pattern}--${htime_pattern}$"`
for i in $rm_snapshots; do
rm_zfs_snapshot -r $i
done
fi
is_true $count_failures && exit $failures
exit 0
# vim: set ts=4 sw=4 expandtab:

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