52 lines
1.5 KiB
Bash
Executable File
52 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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## Check if backup with rsync-backup is set and less than 24hours
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## Send warning threw NTFY
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## log this in journalctl with logger `journactl -t backup`
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STATE_FILE="/var/run/elab-manage/backup.state"
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LOGGER_TAG="check_backup"
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mkdir -p "${STATE_FILE%/*}"
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source "/etc/compose/local.conf" || exit 1
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## check if service exists in compose.yml
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if ! grep -q "^rsync-backup" "$DEFAULT_COMPOSE_FILE"; then
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echo "no service rsync-backup - Ignoring."
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exit 0
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fi
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last_backup_datetime=$(
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cat /srv/datastore/data/cron/var/log/cron/*rsync-backup_script{_*,}.log | grep "total size is" | sort | tail -n 1 | cut -f -2 -d " ")
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last_backup_ts=$(date -d "$last_backup_datetime" +%s)
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max_ts=$(date -d "24 hours ago" +%s)
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state="ok"
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if [ "$last_backup_ts" -lt "$max_ts" ]; then
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state="ko"
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fi
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if [ "$state" == "ok" ]; then
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echo "Everything is ok. (last backup: $last_backup_datetime)" | logger -t "$LOGGER_TAG"
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exit 0
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fi
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## notify
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last_state=$(cat "$STATE_FILE" 2>/dev/null) || true
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if [ "$state" == "$last_state" ]; then
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[ "$state" == "ko" ] || exit 0
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is_old=$(find "$STATE_FILE" -type f -mtime +2) || return 1
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[ -n "$is_old" ] || exit 0
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fi
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echo "$state" > "$STATE_FILE"
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timestamp=$(date +%s)
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time_difference=$((timestamp - last_backup_ts))
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days=$((time_difference / 86400))
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hours=$((time_difference % 86400 / 3600))
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message="ALERT: no backup done in the last 24h (No backup since $days days and $hours hours)"
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echo "$message" | logger -t "$LOGGER_TAG"
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send -t "Backup" -c backup.alert "$message" |