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Adds a cronjob-like mechanism

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This commit is contained in:
Benoit Vianin
2023-06-14 04:36:21 +00:00
parent f83f97bf76
commit 3c6beeaae9
1 changed files with 27 additions and 7 deletions
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34
install/etc/services.available/10-db-backup/run
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@@ -16,17 +16,37 @@ else
current_time=$(date +"%s")
today=$(date +"%Y%m%d")
if [[ $DB_DUMP_BEGIN =~ ^\+(.*)$ ]]; then
# Check if DB_DUMP_BEGIN is an integer
if [[ $DB_DUMP_BEGIN =~ ^[0-9]+$ ]]; then
print_info "DB_DUMP_BEGIN is an integer."
waittime=$(( ${BASH_REMATCH[1]} * 60 ))
target_time=$(($current_time + $waittime))
elif [[ $DB_DUMP_BEGIN =~ ^([0-9]{2}):([0-9]{2}):([0-9]{2})$ ]]; then
print_info "DB_DUMP_BEGIN is time."
# Extract hours, minutes, and seconds from DB_DUMP_BEGIN
db_hour=${BASH_REMATCH[1]}
db_minute=${BASH_REMATCH[2]}
db_second=${BASH_REMATCH[3]}
# Calculate DB_DUMP_BEGIN time in seconds
db_time=$(date -d "${db_hour}:${db_minute}:${db_second}" +%s)
# Calculate the difference in seconds
waittime=$((db_time - current_time))
print_info "Difference in seconds: $waittime"
if (( $waittime < 0 )); then
waittime=$(( ($waittime + ($DB_DUMP_FREQ - 1)) / ($DB_DUMP_FREQ * 60) ))
waittime=$(( $waittime * -1 ))
print_info "Difference in seconds (rounded): $waittime"
fi
target_time=$(($current_time + $waittime))
else
target_time=$(date --date="${today}${DB_DUMP_BEGIN}" +"%s")
if [[ "$target_time" < "$current_time" ]]; then
target_time=$(($target_time + 24*60*60))
print_info "DB_DUMP_BEGIN is not an integer or in the correct format (hh:mm:ss)."
fi
waittime=$(($target_time - $current_time))
fi
print_debug "Wait Time: ${waittime} Target time: ${target_time} Current Time: ${current_time}"
print_info "Wait Time: ${waittime} Target time: $(date -d @${target_time} +"%Y-%m-%d %T %Z") Current Time: $(date -d @${current_time} +"%Y-%m-%d %T %Z")"
print_info "Next Backup at $(date -d @${target_time} +"%Y-%m-%d %T %Z")"
sleep $waittime
fi