X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=btrbk-run;h=3e610de01b7f9fe7fc1632b1c99e2172a5ced95c;hb=41235a1a070914920dc84f352abee00deccda146;hp=7e66bc22335455c9f77c8cd6fae32032372c5330;hpb=b311e6f6fa930805674d7d53d67cd033fdbf3367;p=distro-setup diff --git a/btrbk-run b/btrbk-run index 7e66bc2..3e610de 100644 --- a/btrbk-run +++ b/btrbk-run @@ -16,53 +16,10 @@ # todo: if we cancel in the middle of a btrfs send, then run again immediately, the received subvolume doesn't get a Received UUID: field, and we won't mount it. Need to figure out a solution that will fix this. -err-bash-trace() { - local -i argc_index=0 frame i start=${1:-0} max_indent=8 indent - local source - local extdebug=false - if [[ $(shopt -p extdebug) == *-s* ]]; then - extdebug=true - fi - for ((frame=0; frame < ${#FUNCNAME[@]}-1; frame++)); do - argc=${BASH_ARGC[frame]} - argc_index+=$argc - ((frame < start)) && continue - if (( ${#BASH_SOURCE[@]} > 1 )); then - source="${BASH_SOURCE[frame+1]}:${BASH_LINENO[frame]}:" - fi - indent=$((frame-start + 1)) - indent=$((indent < max_indent ? indent : max_indent)) - printf "%${indent}s↳%sin \`%s" '' "$source" "${FUNCNAME[frame]}" - if $extdebug; then - for ((i=argc_index-1; i >= argc_index-argc; i--)); do - printf " %s" "${BASH_ARGV[i]}" - done - fi - echo \' - done - return 0 -} -err-catch() { - set -E; shopt -s extdebug - _err-trap() { - err=$? - exec >&2 - set +x - echo "${BASH_SOURCE[1]}:${BASH_LINENO[0]}: \`$BASH_COMMAND' returned $err" - err-bash-trace 2 - set -e # err trap does not work within an error trap - "${_errcatch_cleanup[@]:-:}" # note :-: is to be compatible with set -u - echo "$0: exiting with code $err" - exit $err - } - trap _err-trap ERR - set -o pipefail -} -err-catch +[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@" -[[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@" - +source /usr/local/lib/err usage() { cat <<'EOF' @@ -85,9 +42,10 @@ rsync-dirs() { } -pre="${0##*/}:" -m() { if $verbose; then printf "$pre %s\n" "$*"; fi; "$@"; } -die() { printf "$pre %s\n" "$*" >&2; exit 1; } +pre="${0##*/}: " +m() { if $verbose; then printf "$pre%s\n" "$*"; fi; "$@"; } +e() { printf "$pre%s\n" "$*"; } +die() { printf "$pre%s\n" "$*" >&2; exit 1; } # latest $MAIL_HOST if [[ -e /b/bash_unpublished/source-state ]]; then @@ -167,7 +125,7 @@ if [[ -v targets && $source ]]; then fi if $verbose; then - printf "$pre options: conf_only=%s\ndry_run=%s\nrate_limit=%s\nverbose=%s\ncmd_arg=%s" "$conf_only" "$dry_run" "$rate_limit" "$verbose" "$cmd_arg" + printf "options: conf_only=%s\ndry_run=%s\nrate_limit=%s\nverbose=%s\ncmd_arg=%s" "$conf_only" "$dry_run" "$rate_limit" "$verbose" "$cmd_arg" fi ### end options parsing @@ -197,7 +155,7 @@ if [[ ! -v targets && ! $source ]]; then tp) # kd disabled temporarily while its hot and i plan to work on it. #targets=(frodo kd) - targets=(frodo) + targets=(frodo x3.b8.nz) # might not be connected to the vpn if timeout -s 9 10 ssh kw :; then targets+=(kw) @@ -256,7 +214,7 @@ else esac for mp in ${prospective_mps[@]}; do # default mountpoints to sync if [[ -e /nocow/btrfs-stale/$mp ]]; then - echo "$pre warning: $mp stale, not adding to default mountpoints" + e "warning: $mp stale, not adding to default mountpoints" continue fi if awk '{print $2}' /etc/fstab | grep -xF $mp &>/dev/null; then @@ -289,7 +247,7 @@ if ! $pull_reexec && [[ $source ]] && $pulla ; then tmpf=$(mktemp) scp $source:/a/bin/distro-setup/btrbk-run $tmpf if ! diff -q $tmpf $BASH_SOURCE; then - echo "$pre found newer version on host $source. reexecing" + e "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 @@ -326,12 +284,17 @@ else min_idle_ms=$((1000 * 60 * 15)) for h in ${targets[@]}; do if zone=$(ssh root@$h "mkdir -p /mnt/root/btrbk && date +%z"); then - if $cron && DISPLAY=:0 xprintidle; then - # This is a separate ssh because xprintidle can fail and thats ok. - # Ignore this host. i sometimes use a non-main machine for testing or web browsing, knowing that - # everything will be wiped by the next backup, but I dont want it to happen as Im using - # it from cronjob. - continue + # This is a separate ssh because xprintidle can fail and thats ok. + if $cron && idle_ms=$(ssh $h DISPLAY=:0 xprintidle); then + if (( idle_ms < min_idle_ms )); then + + # Ignore this host. i sometimes use a non-main machine for + # testing or web browsing, knowing that everything will be wiped + # by the next backup, but I dont want it to happen as Im using + # it from cronjob. + e "warning: $h: active X session in the last 15 minutes, skipping for now" + continue + fi fi sshable+=($h) if [[ $zone != $local_zone ]]; then @@ -341,12 +304,12 @@ else sshfail+=($h) fi done - if [[ ! $sshable ]] || { ! $cron && [[ $sshfail ]]; }; then + if [[ ! ${sshable[@]} ]] || { ! $cron && [[ ${sshfail[@]} ]]; }; then die "failed to ssh to hosts: ${sshfail[*]}" else - if [[ $sshfail ]]; then + if [[ ${sshfail[@]} ]]; then ret=1 - echo "$pre error: failed to ssh to ${sshfail[*]} but continuing with other hosts" + e "error: failed to ssh to ${sshfail[*]} but continuing with other hosts" fi targets=(${sshable[@]}) fi