python 统计k8s命名空间 所在主机名称 IP

#!/usr/bin/env python
#encoding: utf8

import subprocess

# output = subprocess.Popen(["ls","-l"],stdout=subprocess.PIPE,shell=True).communicate()
# print output[0]
hostname = subprocess.Popen(["echo $HOSTNAME"],stdout=subprocess.PIPE,shell=True).communicate()
ipaddr = subprocess.Popen(["ifconfig eth0|grep inet | awk '{print $2}' | grep 10"],stdout=subprocess.PIPE,shell=True).communicate()
np_list = subprocess.Popen(["kubectl get namespace | awk '{print $1}' |grep -v ^app | grep -v ^prom | grep -v ^kub | grep -v ^test | grep -v ^tke | grep -v ^tcr | grep -v ^istio | grep -v ^NAME"],stdout=subprocess.PIPE,shell=True).communicate()
#test_tke_namelist = output[0]
dist_ns = {}
dist_ns['hostname'] = hostname[0]
dist_ns['ipaddr'] = ipaddr[0]
dist_ns['np_list'] = np_list[0]
print hostname[0]
print ipaddr[0]
print np_list[0]
print('--------------------------------')
print dist_ns