[[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
+
usage() {
cat <<'EOF'
btrbk-run [OPTIONS]
exit $1
}
+rsync-dirs() {
+ local host=$1
+ local path=$2
+ m rsync $dry_run_arg -ahi --relative --delete "$path" "root@$host:/"
+}
+
+
+m() { if $verbose; then printf "$pre%s\n" "$*"; fi; "$@"; }
+die() { printf "$pre%s\n" "$*" >&2; exit 1; }
+
# latest $MAIL_HOST
if [[ -e /b/bash_unpublished/source-semi-priv ]]; then
source /b/bash_unpublished/source-semi-priv
sleep 5
fi
+cron=false
orig_args=("$@")
-temp=$(getopt -l pull-reexec,help cl:m:nps:t:vh "$@") || usage 1
+temp=$(getopt -l cpull-reexec,help cl:m:npqs:t:vh "$@") || usage 1
eval set -- "$temp"
while true; do
case $1 in
+ --cron)
+ cron=true
+ pre="${0##*/}: "
+ shift
+ ;;
# only creates the config file, does not run btrbk
-c) conf_only=true; shift ;;
# bytes per second, suffix k m g
-v) verbose=true; verbose_arg=-v; shift ;;
-h|--help) usage ;;
--) shift; break ;;
- *) echo "$0: Internal error!" ; exit 1 ;;
+ *) die "Internal error!" ;;
esac
done
cmd_arg=${1:-run}
if [[ -v targets && $source ]]; then
- echo "$0: error: -t and -s are mutually exclusive" >&2
- exit 1
+ die "error: -t and -s are mutually exclusive"
fi
-# pull_reexec stops us from getting into an infinite loop if there is some
-# kind of weird problem
-if ! $pull_reexec && [[ $source ]]; then
- tmpf=$(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"
- install -T $tmpf /usr/local/bin/btrbk-run
- /usr/local/bin/btrbk-run --pull-reexec "${orig_args[@]}"
- 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"
fi
-
-
-echo -e "$0: options: conf_only=$conf_only\ndry_run=$dry_run\nrate_limit=$rate_limit\nverbose=$verbose\ncmd_arg=$cmd_arg"
### end options parsing
# set default targets
-if [[ ! -v targets && ! $source ]]; then
+if [[ ! -v targets && ! $source && $HOSTNAME == $MAIL_HOST ]]; then
case $HOSTNAME in
- x2|kw)
- if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
- targets=($HOME_DOMAIN)
+ kw|x2)
+ if ping -q -c1 -w1 iank.vpn.office.fsf.org &>/dev/null; then
+ home=iank.vpn.office.fsf.org
+ else
+ home=$HOME_DOMAIN
fi
+ ;;&
+ kw)
+ targets=($home x2)
+ ;;
+ x2)
+ targets=($home kw)
;;
tp)
- targets=(frodo)
- if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
- if timeout -s 9 10 ssh x2 :; then
- targets+=(x2)
- fi
+ targets=(frodo kd)
+ # might not be connected to the vpn
+ if timeout -s 9 10 ssh kw :; then
+ targets+=(kw)
fi
;;
- frodo)
- targets=()
+ kd)
+ targets=(frodo tp)
+ # might not be connected to the vpn
+ if timeout -s 9 10 ssh kw :; then
+ targets+=(kw)
+ fi
;;
*)
- echo "$0: error: no default targets for this host, use -t"
- exit 1
+ die "error: no default targets for this host, use -t"
;;
esac
fi
if [[ $mountpoints ]]; then
for mp in ${mountpoints[@]}; do # default mountpoints to sync
if [[ -e /nocow/btrfs-stale/$mp ]]; then
- echo "$0: error: $mp is stale, mount-latest-subvol first"
- exit 1
+ die "error: $mp is stale, mount-latest-subvol first"
fi
done
else
echo "mountpoints: ${mountpoints[*]}"
-##### end command line parsing ########
-rsync-dirs() {
- local host=$1
- local path=$2
- m rsync $dry_run_arg -ahi --relative --delete "$path" "root@$host:/"
-}
+
+# pull_reexec stops us from getting into an infinite loop if there is some
+# kind of weird problem
+pulla=false
+for m in "${mountpoints[@]}"; do
+ if [[ $m == /a ]]; then
+ pulla=true
+ break
+ fi
+done
+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"
+ install -T $tmpf /usr/local/bin/btrbk-run
+ m /usr/local/bin/btrbk-run --pull-reexec "${orig_args[@]}"
+ exit
+ fi
+fi
-m() { printf "%s: %s\n" "${0##*/}" "$*"; "$@"; }
+##### end command line parsing ########
+
if ! which btrbk &>/dev/null; then
- echo "$0: error: no btrbk binary found"
- exit 1
+ die "error: no btrbk binary found"
fi
# if our mountpoints are from stale snapshots,
# it doesn't make sense to do a backup.
-check-subvol-stale ${mountpoints[@]} || exit 1
+check-subvol-stale ${mountpoints[@]} || die "found stale mountpoints in ${mountpoints[*]}"
cat >/etc/btrbk.conf <<EOF
mkdir -p /mnt/root/btrbk
local_zone=$(date +%z)
for h in ${targets[@]} $source; do
- zone=$(ssh root@$h "mkdir -p /mnt/root/btrbk; date +%z")
+ cmd="ssh root@$h mkdir -p /mnt/root/btrbk && date +%z"
+ if ! zone=$($cmd); then
+ die "error running: $cmd"
+ fi
if [[ $zone != $local_zone ]]; then
- echo "error: error. dont confuse yourself with multiple time zones. $h has different timezone than localhost" >&2
- exit 1
+ die "error: dont confuse yourself with multiple time zones. $h has different timezone than localhost"
fi
done
done
fi
-/a/bin/distro-setup/install-my-scripts
if [[ $source ]]; then
- m mount-latest-subvol
+ m mount-latest-subvol $verbose_arg
else
m /a/exe/mount-latest-remote ${targets[@]}
fi
iankelling.org / git / distro-setup / blobdiff