python 系统监控，,#!/usr/bin
python 系统监控，,#!/usr/bin
#!/usr/bin/env python3#create at 2018-11-30‘this is a system monitor scripts‘__author__="yjt"import osimport timeimport sysimport datetimeimport socket #用于获取主机名import psutil #用于获取CPU等信息import re#以下是变量值，自己定义CPUT = 2 #计算CPU利用率的时间间隔NETT = 2 #计算网卡流量的时间间隔LOOPT = 2 #脚本循环时间间隔#获取系统基本信息def baseinfo(): hostname = socket.gethostname() start_time = datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d %H:%M:%S") now_time = time.strftime(‘%Y-%m-%d %H:%M:%S‘,time.localtime(time.time()))# sys_runtime = time.strftime(‘%Y-%m-%d %H:%M:%S‘,time.localtime(time.time() - psutil.boot_time())) sys_runtime = os.popen(‘w‘).readline().split(‘users‘)[0].split(‘up‘)[1].strip()[:-1].strip()[:-1] print("\033[31mbase_info:\033[0m") print("hostname: %-10s"%(hostname)) print("start_time: %-15s"%(start_time)) print("now_time: %-15s"%(now_time)) print("sys_runtime: %-10s"%(sys_runtime))def userconninfo(): print("\033[31muser_conn_info:\033[0m") user_conn = len(psutil.users()) print("user_conn_num:%s"%(user_conn)) print("conn_user%-10s conn_terminal%-10s remmote_ip%-10s start_time%-15s pid%-15s"%(‘‘,‘‘,‘‘,‘‘,‘‘)) for info in range(user_conn): user = psutil.users()[info].name terminal = psutil.users()[info].terminal host = psutil.users()[info].host start_time = time.strftime(‘%Y-%m-%d %H:%M:%S‘,time.localtime(psutil.users()[0].started)) pid = psutil.users()[info].pid #print("conn_user:%-10s conn_terminal:%-10s from_host:%-15s start_time:%-20s pid:%-10d"%(user,terminal,host,start_time,pid)) print("%-19s %-23s %-20s %-25s %-15d"%(user,terminal,host,start_time,pid))#获取CPU信息def cpuinfo(): ave_load = os.popen(‘uptime‘).readline().split(":")[-1].split() ave_load = ‘ ‘.join(ave_load) #CPU平均负载 #以下四项值都是获取的瞬时值 user_use = psutil.cpu_times().user #用户态使用CPU时间 sys_use = psutil.cpu_times().system #系统态使用CPU时间 idle = psutil.cpu_times().idle #CPU空闲时间 iowait = psutil.cpu_times().iowait #IO等待时间 total_cpu = 0 for i in range(len(psutil.cpu_times())): total_cpu += psutil.cpu_times()[i] cpu_pre = psutil.cpu_percent(CPUT) logical_cpu = psutil.cpu_count() pyhsical_cpu = psutil.cpu_count(logical=False) print("\033[31mcpu_info:\033[0m") print("cpu_ave_load: %-20s" %ave_load) print("cpu_user_use: %-.2f%%" %(user_use / total_cpu * 100)) print("cpu_sys_use: %-.2f%%" %(sys_use / total_cpu * 100)) print("cpu_idle: %-.2f%%" %(idle / total_cpu * 100 )) print("cpu_iowait: %-.2f%%" %(iowait / total_cpu * 100 )) print("cpu_ave_use: %-.2f%%" %cpu_pre) print("logica_cpu: %-4d"%logical_cpu) #获取逻辑CPU个数 print("pyhsical_cpu: %-4d"%pyhsical_cpu)#获取物理CPU个数#获取内存信息def meminfo(): total_mem = psutil.virtual_memory().total use_mem = psutil.virtual_memory().used mem_percent = psutil.virtual_memory().percent free_mem = psutil.virtual_memory().free swap_mem = psutil.swap_memory().total swap_use = psutil.swap_memory().used swap_free = psutil.swap_memory().free swap_percent = psutil.swap_memory().percent print("\033[31mmem_info:\033[0m") print("total_mem: %d M"%(total_mem / 1024 /1024)) print("use_mem: %d M"%(use_mem / 1024 /1024)) print("free_mem: %d M"%(free_mem / 1024 /1024)) print("mem_percent: %s%%"%(mem_percent)) print("swap_mem: %d M"%(swap_mem / 1024 /1024)) print("swap_use: %d M"%(swap_use / 1024 /1024)) print("swap_free: %d M"%(swap_free / 1024 /1024)) print("swap_percent: %s%%"%(swap_percent))#获取磁盘信息def diskinfo(): print("\033[31mdisk_info:\033[0m") print("disk%-10s total%-10s free%-10s used%-10s percent%-10s"%(‘‘,‘(G)‘,‘(G)‘,‘(G)‘,‘(%)‘)) disk_len = len(psutil.disk_partitions()) for info in range(disk_len): disk = psutil.disk_partitions()[info][1] if len(disk) < 10: total = str(round(psutil.disk_usage(disk).total /1024/1024/1024)) + ‘G‘ free = str(round(psutil.disk_usage(disk).free /1024/1024/1024)) + ‘G‘ used = str(round(psutil.disk_usage(disk).used /1024/1024/1024)) + ‘G‘ percent = str(psutil.disk_usage(disk).percent) + ‘%‘ print(‘%-15s‘%(disk),end=‘‘) #print(‘ %-10s total: %-10s free: %-10s used:%-10s percent:%-s‘%(‘‘,total,free,used,percent)) print(‘%-13s %-13s %-13s %-s‘%(total,free,used,percent))#获取网卡信息def netinfo(): print(‘\033[31mnet_info\033[0m‘) net_item = list(psutil.net_if_addrs()) for net in net_item: if re.search(r‘bond.*|em.*|eno.*|^eth.*‘,net): network_card = net ip = psutil.net_if_addrs()[net][0].address recv_1,recv_2,send_1,send_2=0,0,0,0 with open (‘/proc/net/dev‘,‘r‘) as f: net_info = f.readlines() net_list = str(net_info).lower().split() if net_list[0] == net: recv_1 = float(net_list[1]) send_1 = float(net_list[9]) time.sleep(NETT) with open (‘/proc/net/dev‘,‘r‘) as f: net_info = f.readlines() net_list = str(net_info).lower().split() if net_list[0] == net: recv_2 = float(net_list[1]) send_2 = float(net_list[9]) print("network_card%-10s ip%-20s received%-10s transmit%-10s "%(‘‘,‘‘,‘(kb/s)‘,‘(kb/s)‘)) #print("network_card: %-10s ip: %-20s received: %-.3f Kb/s transmit: %-.3f kb/s" % (network_card,ip,(recv_2/1024 - recv_1/1024),(send_2/1024 - send_1/1024))) print("%-21s %-22s %-.3f%13s %-.3f " % (network_card,ip,(recv_2/1024 - recv_1/1024),‘‘,(send_2/1024 - send_1/1024)))#获取TCP连接数def tcpinfo(): print(‘\033[31mtcp_info\033[0m‘) status_list = ["LISTEN","ESTABLISHED","TIME_WAIT","CLOSE_WAIT","LAST_ACK","SYN_SENT"] status_init = [] net_conn = psutil.net_connections() for key in net_conn: status_init.append(key.status) for value in status_list: print(value,status_init.count(value))if __name__ == ‘__main__‘: while True: try: os.system(‘clear‘) baseinfo() print("********************************************************") userconninfo() print("########################################################") cpuinfo() print("========================================================") meminfo() print("########################################################") diskinfo() print("********************************************************") netinfo() print("++++++++++++++++++++++++++++++++++++++++++++++++++++++++") tcpinfo() time.sleep(LOOPT) except KeyboardInterrupt as e: print (‘‘) print("Bye-Bye") sys.exit(0)
python 系统监控
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