colin/nix-files
1
0
Fork 1
Code Issues Pull Requests Projects Releases Wiki Activity

rsync.net backups: generate stamp files that let me verify that a backup has been attempted

Browse Source
This commit is contained in:
Colin
2024-07-23 21:05:43 +00:00
parent d91ca22587
commit 8ced778def
1 changed files with 13 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
hosts/modules/services/rsync-net/sane-backup-rsync-net
View File

@@ -6,7 +6,7 @@
# for setup, see: <https://www.rsync.net/resources/howto/ssh_keys.html> # for setup, see: <https://www.rsync.net/resources/howto/ssh_keys.html>
# - requires my pubkey to be copied to .ssh/authorized_keys on the remote. # - requires my pubkey to be copied to .ssh/authorized_keys on the remote.
set -x set -xeu
# secret should include RN_USER # secret should include RN_USER
source /run/secrets/rsync-net-env source /run/secrets/rsync-net-env
@@ -15,14 +15,25 @@ PREFIX=$(hostname)
test -n "$PREFIX" && test -n "$RN_USER" && test -f "$RN_ID" test -n "$PREFIX" && test -n "$RN_USER" && test -f "$RN_ID"
rc=
for dir in "$@"; do for dir in "$@"; do
if [[ "$dir" != */ ]]; then if [[ "$dir" != */ ]]; then
dir="$dir/" dir="$dir/"
fi fi
remote_dir="$RN_USER@$RN_USER.rsync.net:$PREFIX$dir" remote_dir="$RN_USER@$RN_USER.rsync.net:$PREFIX$dir"
now=$(date '+%s')
echo "syncing '$dir' to '$remote_dir'" echo "syncing '$dir' to '$remote_dir'"
echo "$now" > "$dir"/zzz-rsync-net-last-attempted
# N.B.: the `--exclude=$RN_ID` flag is a noop to get the ID file to be included in the sandbox... # N.B.: the `--exclude=$RN_ID` flag is a noop to get the ID file to be included in the sandbox...
# N.B.: manual flags instead of `-a -> -rlptgoD` because device files have a max path length which is too restricted # N.B.: manual flags instead of `-a -> -rlptgoD` because device files have a max path length which is too restricted
sane-vpn do unmetered rsync --exclude="$RN_ID" -e "ssh -i $RN_ID" --mkpath -rlptgov --delete "$dir" "$remote_dir" if sane-vpn do unmetered rsync --exclude="$RN_ID" -e "ssh -i $RN_ID" --mkpath -rlptgov --delete "$dir" "$remote_dir"; then
echo "$now" > "$dir"/zzz-rsync-net-last-completed
rc=0$rc
else
rc=1
echo "FAILED TO BACKUP $dir"
fi
done done
test -n "$rc" && exit $rc