编写Shell程序，实现OpenStack基础服务MySQL、NTP、ETCD服务运行判断。

#!/bin/bash
# check_openstack_services.sh

# Check MySQL service status
echo "Checking MySQL service status..."
if systemctl status mariadb.service | grep "active (running)"; then
echo "MySQL service is running."
else
echo "MySQL service is not running."
fi

# Check NTP service status
echo "Checking NTP service status..."
if systemctl status ntpd.service | grep "active (running)"; then
echo "NTP service is running."
else
echo "NTP service is not running."
fi

# Check ETCD service status
echo "Checking ETCD service status..."
if systemctl status etcd.service | grep "active (running)"; then
echo "ETCD service is running."
else
echo "ETCD service is not running."
fi

echo "Service status check completed."