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| #!/usr/bin/python
# encoding: utf-8
# -*- coding: utf8 -*-
"""
Created by PyCharm.
File: LinuxBashShellScriptForOps:getSystemStatus.py
User: Guodong
Create Date: 2016/8/18
Create Time: 15:32
"""
import platform
import psutil
import subprocess
import os
import sys
import time
import re
import prettytable
mswindows = (sys.platform == "win32") # learning from 'subprocess' module
linux = (sys.platform == "linux2")
def getLocalIP():
import netifaces
routingNicName = netifaces.gateways()['default'][netifaces.AF_INET][1]
for interface in netifaces.interfaces():
if interface == routingNicName:
try:
routingIPAddr = netifaces.ifaddresses(interface)[netifaces.AF_INET][0]['addr']
return interface, routingIPAddr
except KeyError:
pass
def getUser():
if linux:
proc_obj = subprocess.Popen(r'tty', shell=True, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
tty = proc_obj.communicate()[0]
else:
tty = []
user_object = psutil.users()
for login in user_object:
username, login_tty, login_host, login_time = [suser for suser in login]
print username, login_tty, login_host, time.strftime('%b %d %H:%M:%S', time.localtime(login_time)),
if login_tty in tty:
print '**current user**'
else:
print
def getTimeZone():
return time.strftime("%Z", time.gmtime())
def getTimeNow():
now = time.strftime('%a %b %d %H:%M:%S %Y %Z', time.localtime(time.time()))
return now
def printHeader():
if linux:
try:
with open('/etc/issue') as f:
content = f.read().strip()
output_list = re.split(r' \\', content)
linux_type = list(output_list)[0]
except IOError:
pass
else:
if linux_type is not None:
return "Welcome to %s (%s %s %s)\n System information as of %s" % (
linux_type, platform.system(), platform.release(), platform.machine(), getTimeNow()
)
else:
return
if mswindows:
def get_system_encoding():
import codecs
import locale
"""
The encoding of the default system locale but falls back to the given
fallback encoding if the encoding is unsupported by python or could
not be determined. See tickets #10335 and #5846
"""
try:
encoding = locale.getdefaultlocale()[1] or 'ascii'
codecs.lookup(encoding)
except Exception:
encoding = 'ascii'
return encoding
DEFAULT_LOCALE_ENCODING = get_system_encoding()
import _winreg
try:
reg_key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion")
if reg_key:
ProductName = _winreg.QueryValueEx(reg_key, "ProductName")[0] or None
EditionId = _winreg.QueryValueEx(reg_key, "EditionId")[0] or None
ReleaseId = _winreg.QueryValueEx(reg_key, "ReleaseId")[0] or None
BuildLabEx = _winreg.QueryValueEx(reg_key, "BuildLabEx")[0][:9] or None
return "%s, %s [%s]\r\nVersion %s (OS Internal Version %s)" % (
ProductName, EditionId, platform.version(), ReleaseId, BuildLabEx)
except Exception as e:
print e.message.decode(DEFAULT_LOCALE_ENCODING)
def getHostname():
return platform.node()
def getCPU():
return [x / 100.0 for x in psutil.cpu_percent(interval=0, percpu=True)]
def getLoadAverage():
if linux:
import multiprocessing
k = 1.0
k /= multiprocessing.cpu_count()
if os.path.exists('/proc/loadavg'):
return [float(open('/proc/loadavg').read().split()[x]) * k for x in range(3)]
else:
tokens = subprocess.check_output(['uptime']).split()
return [float(x.strip(',')) * k for x in tokens[-3:]]
if mswindows:
# print psutil.cpu_percent()
# print psutil.cpu_times_percent()
# print psutil.cpu_times()
# print psutil.cpu_stats()
return "%.2f%%" % psutil.cpu_percent()
def getMemory():
v = psutil.virtual_memory()
return {
'used': v.total - v.available,
'free': v.available,
'total': v.total,
'percent': v.percent,
}
def getVirtualMemory():
v = psutil.swap_memory()
return {
'used': v.used,
'free': v.free,
'total': v.total,
'percent': v.percent
}
def getUptime():
uptime_file = "/proc/uptime"
if os.path.exists(uptime_file):
with open(uptime_file, 'r') as f:
return f.read().split(' ')[0].strip("\n")
else:
return time.time() - psutil.boot_time()
def getUptime2():
boot_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(psutil.boot_time()))
print "system start at: %s" % boot_time,
uptime_total_seconds = time.time() - psutil.boot_time()
uptime_days = int(uptime_total_seconds / 24 / 60 / 60)
uptime_hours = int(uptime_total_seconds / 60 / 60 % 24)
uptime_minutes = int(uptime_total_seconds / 60 % 60)
uptime_seconds = int(uptime_total_seconds % 60)
print "uptime: %d days %d hours %d minutes %d seconds" % (uptime_days, uptime_hours, uptime_minutes, uptime_seconds)
user_number = len(psutil.users())
print "%d user:" % user_number
print " \\"
for user_tuple in psutil.users():
user_name = user_tuple[0]
user_terminal = user_tuple[1]
user_host = user_tuple[2]
user_login_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(user_tuple[3]))
print " |- user online: %s, login from %s with terminal %s at %s" % (
user_name, user_host, user_terminal, user_login_time)
cpu_count = psutil.cpu_count()
try:
with open('/proc/loadavg', 'r') as f:
loadavg_c = f.read().split(' ')
loadavg = dict()
if loadavg_c is not None:
loadavg['lavg_1'] = loadavg_c[0]
loadavg['lavg_5'] = loadavg_c[1]
loadavg['lavg_15'] = loadavg_c[2]
loadavg['nr'] = loadavg_c[3]
loadavg['last_pid'] = loadavg_c[4]
print "load average: %s, %s, %s" % (loadavg['lavg_1'], loadavg['lavg_5'], loadavg['lavg_15'])
if float(loadavg['lavg_15']) > cpu_count:
print "Note: cpu 15 min load is high!"
if float(loadavg['lavg_5']) > cpu_count:
print "Note: cpu 5 min load is high!"
if float(loadavg['lavg_1']) > cpu_count:
print "Note: cpu 1 min load is high!"
except IOError:
pass
if __name__ == '__main__':
header = printHeader()
print header
print
system_load = str(getLoadAverage()).strip("[]")
user_logged_in = len(psutil.users())
info_of_root_partition = psutil.disk_usage("/")
percent_of_root_partition_usage = "%.2f%%" % (
float(info_of_root_partition.used) * 100 / float(info_of_root_partition.total))
total_size_of_root_partition = "%.2f" % (float(psutil.disk_usage("/").total / 1024) / 1024 / 1024)
memory_info = getMemory()
memory_usage = "%.2f%%" % (float(memory_info['used']) * 100 / float(memory_info['total']))
swap_info = getVirtualMemory()
swap_usage = "%.2f%%" % (float(swap_info['used']) * 100 / float(swap_info['total']))
local_ip_address = getLocalIP()
table = prettytable.PrettyTable(border=False, header=False, left_padding_width=2)
table.field_names = ["key1", "value1", "key2", "value2"]
table.add_row(["System load:", system_load, "Processes:", len(list(psutil.process_iter()))])
table.add_row(["Usage of /:", "%s of %sGB" % (percent_of_root_partition_usage, total_size_of_root_partition),
"Users logged in:", user_logged_in])
table.add_row(["Memory usage:", memory_usage, "IP address for %s:" % local_ip_address[0], local_ip_address[1]])
table.add_row(["Swap usage:", swap_usage, "", ""])
for field in table.field_names:
table.align[field] = "l"
print table.get_string()
print
getUser()
print
getUptime2()
|
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