使用python监控磁盘容量

disk_manager.py

# coding:utf-8

"""
Monitor on the target disk
If disk usage out of limit bounds
Execute the cleanup operation
"""

import os
import psutil

DISK_USAGE_LIMT = 70
DIST_DISK       = "/Backup2/"
CLEAN_TEMP_PATH = "/Backup2/v4_events_httplogs_daily_backup/*.7z"


def disk_cleaner():
    global CLEAN_TEMP_PATH
    cmd = "ls -al {}".format(CLEAN_TEMP_PATH)
    cmd_flag = os.system(cmd)
    cmd2 = "rm {}".format(CLEAN_TEMP_PATH)
    cmd2_flag = os.system(cmd2)
    print("Cleanup status {} {}".format(cmd_flag, cmd2_flag))


def monitor_disk():
    global DISK_USAGE_LIMT
    global DIST_DISK
    disk_percent = psutil.disk_usage(DIST_DISK).percent
    if disk_percent > DISK_USAGE_LIMT:
        print("Disk space usage: {}%, processing to cleanup... ".format(disk_percent))
        disk_cleaner()
    else:
        print("Disk space usage: {}%".format(disk_percent))


monitor_disk()