#!/usr/bin/env bash
echo $(date --iso-8601=seconds) STARTING BACKUP JOB
source /tmp/project_env.sh

if ! ([ -z "$MYSQL_HOST" ] || [ -z "$MYSQL_USER" ] || [ -z "$MYSQL_PASSWORD" ]); then
    echo $(date --iso-8601=seconds) STARTING BACKUP MYSQL
    MYSQL_PWD="$MYSQL_PASSWORD" mysqldump --all-databases --single-transaction -u "$MYSQL_USER" -h "$MYSQL_HOST" > /tmp/all_databases_mysql.sql
    borgbackup create --stats --compression lz4 "$BACKUP_PATH"::db_mysql_$(date +%Y-%m-%d_%H:%M) "/tmp/all_databases_mysql.sql"
    rm /tmp/all_databases_mysql.sql
    echo $(date --iso-8601=seconds) STARTING PRUNE MYSQL
    borgbackup prune --stats -v --glob-archives='db_mysql_*' --keep-within="$BORG_KEEP_WITHIN" --keep-weekly="$BORG_KEEP_WEEKLY" --keep-monthly="$BORG_KEEP_MONTHLY" "$BACKUP_PATH"
fi

if ! ([ -z "$POSTGRES_HOST" ] || [ -z "$POSTGRES_USER" ] || [ -z "$POSTGRES_PASSWORD" ]); then
    echo $(date --iso-8601=seconds) STARTING BACKUP POSTGRES
    PGPASSWORD="$POSTGRES_PASSWORD" pg_dumpall -U "$POSTGRES_USER" -h "$POSTGRES_HOST" > /tmp/all_databases_pg.out
    borgbackup create --stats --compression lz4 "$BACKUP_PATH"::db_postgres_$(date +%Y-%m-%d_%H:%M) "/tmp/all_databases_pg.out"
    rm /tmp/all_databases_pg.out
    echo $(date --iso-8601=seconds) STARTING PRUNE POSTGRES
    borgbackup prune --stats -v --glob-archives='db_postgres_*' --keep-within="$BORG_KEEP_WITHIN" --keep-weekly="$BORG_KEEP_WEEKLY" --keep-monthly="$BORG_KEEP_MONTHLY" "$BACKUP_PATH"
fi

for d in $FOLDERS_TO_BACKUP_PATH/*; do
    if [ -d "$d" ]; then
        echo $(date --iso-8601=seconds) STARTING BACKUP FOLDER "$d"
        borgbackup create --stats --compression lz4 "$BACKUP_PATH"::$(echo ${d##*/})_$(date +%Y-%m-%d_%H:%M) "$d"
        echo $(date --iso-8601=seconds) STARTING PRUNE FOLDER "$d"
        borgbackup prune --stats -v --glob-archives="$(echo ${d##*/})_*" --keep-within="$BORG_KEEP_WITHIN" --keep-weekly="$BORG_KEEP_WEEKLY" --keep-monthly="$BORG_KEEP_MONTHLY" "$BACKUP_PATH"
    fi
done

echo $(date --iso-8601=seconds) COMPACTING BACKUP
borgbackup compact "$BACKUP_PATH"

echo $(date --iso-8601=seconds) END BACKUP JOB