}
-m() { if $verbose; then printf "$pre%s\n" "$*"; fi; "$@"; }
-die() { printf "$pre%s\n" "$*" >&2; exit 1; }
+m() { if $verbose; then printf "$pre %s\n" "$*"; fi; "$@"; }
+die() { printf "$pre %s\n" "$*" >&2; exit 1; }
# latest $MAIL_HOST
if [[ -e /b/bash_unpublished/source-semi-priv ]]; then
default_args_file=/etc/btrbk-run.conf
if [[ -s $default_args_file ]]; then
set -- $(< $default_args_file) "$@"
+ # i havent used this feature yet, so warn about it
echo "$0: warning: default btrbk-run options set in $default_args_file (sleeping 5 seconds):"
cat $default_args_file
sleep 5
fi
+pre="${0##*/}:"
cron=false
orig_args=("$@")
-temp=$(getopt -l cpull-reexec,help cl:m:npqs:t:vh "$@") || usage 1
+temp=$(getopt -l cron,pull-reexec,help cl:m:npqs:t:vh "$@") || usage 1
eval set -- "$temp"
while true; do
case $1 in
--cron)
cron=true
- pre="${0##*/}: "
+ pre=
shift
;;
# only creates the config file, does not run btrbk
fi
if $verbose; then
- printf "$0: options: conf_only=%s\ndry_run=%s\nrate_limit=%s\nverbose=%s\ncmd_arg=%s" "$conf_only" "$dry_run" "$rate_limit" "$verbose" "$cmd_arg"
+ printf "$pre options: conf_only=%s\ndry_run=%s\nrate_limit=%s\nverbose=%s\ncmd_arg=%s" "$conf_only" "$dry_run" "$rate_limit" "$verbose" "$cmd_arg"
fi
### end options parsing
+# TODO: i wonder if there should be an option to send to the default
+# targets, plus any given on the command line.
# set default targets
-if [[ ! -v targets && ! $source && $HOSTNAME == $MAIL_HOST ]]; then
+if [[ ! -v targets && ! $source ]]; then
+ if [[ $HOSTNAME != "$MAIL_HOST" ]] && $cron ; then
+ echo "We are not MAIL_HOST, nothing to do"
+ exit 0
+ fi
case $HOSTNAME in
kw|x2)
if ping -q -c1 -w1 iank.vpn.office.fsf.org &>/dev/null; then
esac
for mp in ${prospective_mps[@]}; do # default mountpoints to sync
if [[ -e /nocow/btrfs-stale/$mp ]]; then
- echo "$0: warning: $mp stale, not adding to default mountpoints"
+ echo "$pre warning: $mp stale, not adding to default mountpoints"
continue
fi
if awk '{print $2}' /etc/fstab | grep -xF $mp &>/dev/null; then
break
fi
done
-if ! $pull_reexec && [[ $source ]] && ! $pulla ; then
+if ! $pull_reexec && [[ $source ]] && $pulla ; then
tmpf=$(mktemp)
scp $source:/a/bin/distro-setup/btrbk-run $tmpf
if ! diff -q $tmpf $BASH_SOURCE; then
- echo "$0: found newer version on host $source. reexecing"
+ echo "$pre found newer version on host $source. reexecing"
install -T $tmpf /usr/local/bin/btrbk-run
m /usr/local/bin/btrbk-run --pull-reexec "${orig_args[@]}"
exit
# it doesn't make sense to do a backup.
check-subvol-stale ${mountpoints[@]} || die "found stale mountpoints in ${mountpoints[*]}"
+# for an initial run, btrbk requires the dir to exist.
+mkdir -p /mnt/root/btrbk
+local_zone=$(date +%z)
+
+if [[ $source ]]; then
+ if ! zone=$(ssh root@$source date +%z); then
+ die failed to ssh to root@$source
+ fi
+ if [[ $zone != $local_zone ]]; then
+ die "error: dont confuse yourself with multiple time zones. $h has different timezone than localhost"
+ fi
+
+else
+
+ sshable=()
+ sshfail=()
+ for h in ${targets[@]}; do
+ if zone=$(ssh root@$h "mkdir -p /mnt/root/btrbk && date +%z"); then
+ sshable+=($h)
+ if [[ $zone != $local_zone ]]; then
+ die "error: dont confuse yourself with multiple time zones. $h has different timezone than localhost"
+ fi
+ else
+ sshfail+=($h)
+ fi
+ done
+ if [[ ! $sshable ]] || { ! $cron && [[ $sshfail ]]; }; then
+ die "failed to ssh to hosts: ${sshfail[*]}"
+ else
+ if [[ $sshfail ]]; then
+ ret=1
+ echo "$pre error: failed to ssh to ${sshfail[*]} but continuing with other hosts"
+ fi
+ targets=(${sshable[@]})
+ fi
+fi
+
cat >/etc/btrbk.conf <<EOF
ssh_identity /root/.ssh/home
-# for an initial run, btrbk requires the dir to exist.
-mkdir -p /mnt/root/btrbk
-local_zone=$(date +%z)
-for h in ${targets[@]} $source; do
- cmd="ssh root@$h mkdir -p /mnt/root/btrbk && date +%z"
- if ! zone=$($cmd); then
- die "error running: $cmd"
- fi
- if [[ $zone != $local_zone ]]; then
- die "error: dont confuse yourself with multiple time zones. $h has different timezone than localhost"
- fi
-done
-
vol=/mnt/root
m /a/exe/mount-latest-remote ${targets[@]}
fi
+exit $ret
+
# todo: move variable data we don't care about backing up
# to /nocow and symlink it.