git clone https://git.forge.st/ops/ops-scripts.git /opt/ops-scripts
cd /opt/ops-scripts
sudo ./install.sh

Add crontab:

touch /var/log/disk-alert.sh
touch /var/log/clean-expired-files.log

crontab -e

0 16 * * * DRY_RUN=0 NTFY_URL=https://ntfy.1bps.io NTFY_TOPIC=1bps_server_nodes NTFY_TOKEN=<NTFY_TOKEN> /usr/local/sbin/clean-expired-files.sh --dir /root/backup/databases --filter "*.sql.tar.gz" --days 180 >> /var/log/clean-expired-files.log 2>&1

*/10 * * * * NTFY_URL=https://ntfy.1bps.io NTFY_TOPIC=1bps_server_nodes NTFY_TOKEN=<NTFY_TOKEN> /usr/local/sbin/disk-alert.sh --mounts / --thresholds 60,80,90,99 >> /var/log/disk-alert.log 2>&1

Or with env:

*/10 * * * * . /etc/ops/disk-alert.env; /usr/local/sbin/disk-alert.sh >> /var/log/disk-alert.log 2>&1

Logs

logrotate

sudo vi /etc/logrotate.d/disk-alert

/var/log/disk-alert.log {
    daily                  # 每天滚动
    rotate 7               # 保留7天
    compress               # gzip 压缩
    delaycompress          # 延迟压缩（避免正在写的文件问题）
    missingok              # 文件不存在不报错
    notifempty             # 空文件不滚动
    copytruncate           # 关键：不中断写入
}

Test

sudo logrotate -f /etc/logrotate.d/disk-alert

logger + syslog

Cron

*/10 * * * * /usr/local/sbin/disk-alert.sh 2>&1 | logger -t disk-alert

Syslog

sudo vi /etc/rsyslog.d/disk-alert.conf

if $programname == 'disk-alert' then /var/log/disk-alert.log
& stop

sudo systemctl restart rsyslog

Update

cd /opt/ops-scripts
git pull
sudo ./install.sh