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nix-files/scripts/check-backups
2024-07-23 22:09:32 +00:00

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p bash -p nettools -p openssh -p rsync -p sane-scripts.vpn -p sanebox
# secret should include RN_USER
source /run/secrets/rsync-net-env
RN_ID=/run/secrets/rsync-net-id_ed25519
rc=0
fail() {
printf "%b\n" "$1" >&2
rc=1
}
ssh -i "$RN_ID" "$RN_USER@$RN_USER.rsync.net" ls -al
for host in desko lappy moby servo; do
dir=nix/persist/private
now=$(date +'%s')
last_attempted=$(ssh -i "$RN_ID" "$RN_USER@$RN_USER.rsync.net" -- cat "$host/$dir/zzz-rsync-net-last-attempted")
last_completed=$(ssh -i "$RN_ID" "$RN_USER@$RN_USER.rsync.net" -- cat "$host/$dir/zzz-rsync-net-last-completed")
age_attempted=$(( "$now" - "${last_attempted:-0}" ))
age_completed=$(( "$now" - "${last_completed:-0}" ))
if ! [[ "$age_completed" -lt 432000 ]]; then
fail "$host wasn't backed up within the last 5 days\n completed: $age_completed seconds ago\n tried: $age_attempted seconds ago"
fi
if ! [[ "$age_completed" -gt -3600 ]]; then
fail "$host was backed up in the future??"
fi
done
exit $rc