sleep 5
fi
-early=false # quit early, just btrbk, no extra remounting etc.
+marchive=false
+early=false
cron=false
orig_args=("$@")
-temp=$(getopt -l cron,pull-reexec,help ceil:m:npqs:t:vh "$@") || usage 1
+temp=$(getopt -l cron,pull-reexec,help ceil:m:npqrs:t:vh "$@") || usage 1
eval set -- "$temp"
while true; do
case $1 in
+ # some behaviors specific to running under cron:
+ # - skip hosts where xprintidle haven't been idle recently
+ # - if we can't ssh to 1 or more hosts, still do the rest
+ # - if we aren't MAIL_HOST and no -m or -s, just exit
--cron)
cron=true
pre=
;;
# only creates the config file, does not run btrbk
-c) conf_only=true; shift ;;
+ # quit early, just btrbk, no extra remounting etc.
-e) early=true; shift ;;
-i) incremental_strict=true; shift ;;
# bytes per second, suffix k m g
# Comma separated mountpoints to backup. This has defaults set below.
-m) IFS=, mountpoints=($2); unset IFS; shift 2 ;;
-n) dry_run=true; dry_run_arg=-n; shift ;;
+ # show progress
-p) progress_arg="--progress"; shift ;;
+ # internal option for rerunning under newer SOURCE_HOST version.
--pull-reexec) pull_reexec=true; shift ;;
+ # quiet
-q) verbose=false; verbose_arg=; progress_arg=; shift ;;
# source host to receive a backup from
-s)
# target hosts to send to. empty is valid for just doing local
# snapshot. we have default hosts we will populate.
-t) IFS=, targets=($2); unset IFS; shift 2 ;;
+ # verbose.
-v) verbose=true; verbose_arg=-v; shift ;;
-h|--help) usage ;;
--) shift; break ;;
# only tested commands are resume and archive
cmd_arg=${1:-run}
+
+std_preserve="18h 14d 8w 24m"
+q_preserve="18h 14d"
+
case $cmd_arg in
run|resume|archive) : ;;
+ marchive)
+ marchive=true
+ cmd=resume
+ std_preserve="999h 999d 999w 999m"
+ q_preserve="$std_preserve"
+ preserve_arg=-p
+ ;;
*) die "untested command arg" ;;
esac
fi
### end options parsing
+declare -A vols
+
# remove path from earlier version of btrbk
rm -f /usr/sbin/btrbk
# note, this still works as intended if there is no /usr/bin/btrbk
targets=(frodo.b8.nz)
case $HOSTNAME in
- kw)
+ x2|kw)
at_work=true
;;&
x2|x3|sy|bo)
fi
;;&
kw)
- targets+=($home x3)
+ targets+=($home x2.office.fsf.org)
;;
x2|x3|sy|bo)
targets+=($home)
if $at_work; then
- targets+=(kw.office.fsf.org x2.b8.nz)
+ targets+=(x2.office.fsf.org x2.b8.nz)
else
- targets+=(kw.b8.nz)
+ targets+=(x2wg.b8.nz)
fi
;;
kd)
- targets+=(x2.b8.nz kw.b8.nz)
+ targets+=(x2wg.b8.nz x3.b8.nz)
if ping -q -c1 -w1 sy.b8.nz &>/dev/null; then
targets+=(sy.b8.nz)
else
fi
# note: put q last just in case its specific retention options were to
# affect other config sections. I havent tested if that is the case.
- prospective_mps+=(/a /q)
+ prospective_mps+=(/a /ar /qr /q)
;;
esac
fi
fi
-if ! which btrbk &>/dev/null; then
+if ! command -v btrbk &>/dev/null; then
die "error: no btrbk binary found"
fi
# if our mountpoints are from stale snapshots,
check-subvol-stale ${mountpoints[@]} || die "found stale mountpoints in ${mountpoints[*]}"
# for an initial run, btrbk requires the dir to exist.
-mkdir -p /mnt/root/btrbk
+mkdir -p /mnt/{root,o}/btrbk
local_zone=$(date +%z)
if [[ $source ]]; then
sshfail=()
min_idle_ms=$((1000 * 60 * 15))
for h in ${targets[@]}; do
- if remote_info=( $(timeout -s 9 6 ssh root@$h "mkdir -p /mnt/root/btrbk && date +%z && df --output=size,pcent / | tail -n1") ); then
+ if remote_info=( $(timeout -s 9 6 ssh root@$h "mkdir -p /mnt/root/btrbk /mnt/o/btrbk && date +%z && df --output=size,pcent / | tail -n1") ); then
zone=${remote_info[0]}
root_size=${remote_info[1]}
percent_used=${remote_info[2]%%%}
# I could make this different from target_preserve,
# if one disk had less space.
# for now, keeping them equal.
-snapshot_preserve 18h 14d 8w 24m
+snapshot_preserve $std_preserve
snapshot_preserve_min 2h
snapshot_dir btrbk
# so, total backups = ~58
-target_preserve 18h 14d 8w 24m
+target_preserve $std_preserve
target_preserve_min 2h
# if something fails and it's not obvious, try doing
EOF
fi
-vol=/mnt/root
for m in ${mountpoints[@]}; do
+ case $m in
+ /o)
+ vol=/mnt/o
+ vols[$vol]=t
+ ;;
+ *)
+ vol=/mnt/root
+ vols[$vol]=t
+ ;;
+ esac
+
sub=${m#/}
if [[ $source ]]; then
cat >>/etc/btrbk.conf <<EOF
q)
# q has sensitive data i dont want to backup for so long
cat >>/etc/btrbk.conf <<EOF
-snapshot_preserve 18h 14d
+snapshot_preserve $std_preserve
snapshot_preserve_min 2h
snapshot_dir btrbk
-target_preserve 18h 14d
+target_preserve $std_preserve
target_preserve_min 2h
EOF
;;
- esac
+ esac
for tg in ${targets[@]}; do
# handle ipv6
if [[ $tg == *:* ]]; then
mexit 0
elif [[ $cmd_arg == archive ]]; then
if [[ $source ]]; then
- m btrbk $verbose_arg $progress_arg $cmd_arg ssh://$source$vol $vol
+ for vol in ${!vols[@]}; do
+ m btrbk $verbose_arg $progress_arg $cmd_arg ssh://$source$vol $vol
+ done
else
for tg in ${targets[@]}; do
- m btrbk $verbose_arg $progress_arg $cmd_arg $vol ssh://$tg$vol
+ for vol in ${!vols[@]}; do
+ m btrbk $verbose_arg $progress_arg $cmd_arg $vol ssh://$tg$vol
+ done
done
fi
mexit 0
fi
# -q and just using the syslog option seemed nice,
# but it doesn't show when a send has a parent and when it doesn't.
-m btrbk $verbose_arg $progress_arg $cmd_arg
+m btrbk $preserve_arg $verbose_arg $progress_arg $cmd_arg
# todo: tp not valid anymore.
# if we have it, sync to systems which don't
iankelling.org / git / distro-setup / blobdiff