# See the License for the specific language governing permissions and
# limitations under the License.
+
+# todo: remove old leaf subvols, like keep up to 1 month or something.
+
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
# note p/m is owned 1000:1000 and chmod 700
-targets=()
mountpoints=()
rsync_mountpoint=/q
conf_only=false
dry_run=false # mostly for testing
resume_arg=
+rate_limit=no
+verbose=false
default_args_file=/etc/btrbk-run.conf
if [[ -s $default_args_file ]]; then
- echo "$0: warning: options file default options set:"
- cat $default_args_file
- sleep 5
set -- $(< $default_args_file) "$@"
fi
-temp=$(getopt -l help hcm:nprt: "$@") || usage 1
+temp=$(getopt -l help cl:m:nprt:vh "$@") || usage 1
eval set -- "$temp"
while true; do
case $1 in
+ # only creates the config file, does not run btrbk
-c) conf_only=true; shift ;;
+ -l) rate_limit=$2; shift 2 ;;
-m) IFS=, mountpoints=($2); unset IFS; shift 2 ;;
-n) dry_run=true; dry_run_arg=-n; shift ;;
-p) progress_arg="--progress"; shift ;;
# btrbk arg: Resume only. Skips snapshot creation.
-r) resume_arg=-r; shift ;;
+ # empty is valid for just doing local snapshot. we have default hosts
+ # we will populate
-t) IFS=, targets=($2); unset IFS; shift 2 ;;
+ -v) verbose=true; verbose_arg=-v; shift ;;
-h|--help) usage ;;
--) shift; break ;;
*) echo "$0: Internal error!" ; exit 1 ;;
esac
done
-echo "$0: options: conf_only=$conf_only, dry_run=$dry_run, resume_arg=$resume_arg"
+if [[ -s $default_args_file ]]; then
+ echo "$0: warning: default btrbk-run options set in $default_args_file (sleeping 5 seconds):"
+ cat $default_args_file
+ sleep 5
+fi
+
+echo -e "$0: options: conf_only=$conf_only\ndry_run=$dry_run\nresume_arg=$resume_arg\nrate_limit=$rate_limit\nverbose=$verbose"
# set default targets
-if ! (( ${#targets[@]} )); then
+if [[ ! -v targets ]]; then
case $HOSTNAME in
- x2)
+ x2|fz)
if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
targets=($HOME_DOMAIN)
fi
;;
- treetowl)
+ tp)
targets=(frodo)
if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
if timeout -s 9 10 ssh x2 :; then
fi
fi
;;
+ frodo)
+ targets=()
+ ;;
*)
echo "$0: error: no default targets for this host, use -t"
exit 1
-# set default mountpoints
-if ! (( ${#mountpoints[@]} )); then
- prospective_mps=(/a /q)
- if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
- prospective_mps+=(/o)
- fi
- for tg in ${targets[@]}; do
- if [[ $tg == frodo && $HOSTNAME == treetowl ]]; then
- prospective_mps+=(/i)
+if (( ${#mountpoints[@]} )); then
+ for mp in ${mountpoints[@]}; do
+ if [[ -e /nocow/btrfs-stale/$mp ]]; then
+ echo "$0: warning: $mp stale. Sleeping for 3 seconds in case you want to cancel."
+ sleep 3
fi
done
+else # set default mountpoints
+ case $HOSTNAME in
+ frodo)
+ prospective_mps=(/i)
+ ;;
+ *)
+ prospective_mps=(/a /q)
+ if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
+ prospective_mps+=(/o)
+ fi
+ ;;
+ esac
+ case ${targets[0]} in
+ kw|kww)
+ prospective_mps=(/a)
+ ;;
+ esac
+
for mp in ${prospective_mps[@]}; do # default mountpoints to sync
+ if [[ -e /nocow/btrfs-stale/$mp ]]; then
+ echo "$0: warning: $mp stale, not adding to default mountpoints"
+ continue
+ fi
if awk '{print $2}' /etc/fstab | grep -xF $mp &>/dev/null; then
mountpoints+=($mp)
fi
echo "$0: error: no btrbk binary found"
fi
-cat >/etc/btrbk.conf <<'EOF'
-ssh_identity /root/.ssh/id_rsa
+cat >/etc/btrbk.conf <<EOF
+ssh_identity /root/.ssh/home
# Just a guess that local7 is a good facility to pick.
# It's a bit odd that the transaction log has to be logged to
# a file or syslog, while other output is sent to std out.
# if something fails and it's not obvious, try doing
# btrbk -l debug -v dryrun
+
+rate_limit $rate_limit
EOF
fi
if $dry_run; then
- m btrbk -n $resume_arg run
+ m btrbk -v -n $resume_arg run
else
# -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 $progress_arg $resume_arg run
+ m btrbk $verbose_arg $progress_arg $resume_arg run
fi
# if we have it, sync to systems which don't