Files
mdb/scripts/ping_service.py
T
nikolark 1d7860dfee ⬆ Upgrade to django 2.2
Also bump django suit to v2 alpha
Remove python2 transitional support
2020-01-05 21:12:18 +01:00

106 lines
3.2 KiB
Python
Executable File

#!/usr/bin/env python
# coding: utf-8
# FIXME: python2
import os,sys,datetime,argparse,threading,time,Queue
from commands import getstatusoutput
parser = argparse.ArgumentParser(description = 'Ping hosts from mdb')
parser.add_argument('-t', '--type', default='all',\
help="Which type of host to operate on")
parser.add_argument('-d', '--debug', action='store_true',\
help="Turn on debugging")
parser.add_argument('--show-types', dest='show_types', action='store_true',\
help='Show available host types')
parser.add_argument('--num-threads', dest='num_threads', type=int, default=1,\
help='Number of threads used for pinging hosts')
parser.add_argument('--num-pings', dest='num_pings', type=int, default=5,\
help='Number of ping requests to each host. More requests gives a more accurate average calculation.')
args = parser.parse_args()
#project_path = '/opt/django/dns_mdb/'
#if project_path not in sys.path:
# sys.path.append(project_path)
from django.core.management import setup_environ
from django.core.mail import mail_admins
from dns_mdb import settings
setup_environ(settings)
from mdb.models import *
PING_CMD='ping -W 1 -c %d -n -q %s | grep rtt | cut -d " " -f4'
queue = Queue.Queue()
class PingThread(threading.Thread):
""" Threaded ping """
def __init__(self, host_queue):
threading.Thread.__init__(self)
self.queue = queue
def run(self):
while True:
host = self.queue.get()
self.do_ping_host(host)
self.queue.task_done()
def do_ping_host(self, host):
interfaces = host.interface_set.all()
for interface in interfaces:
self.do_ping_interface(interface, host)
def do_ping_interface(self, interface, host):
res = self.do_ping_ipaddr(interface.ip4address.address)
if res == None:
if args.debug:
print "%s (%s/%s) : fail " % (host, \
interface.name, interface.ip4address.address)
return
interface.ip4address.last_contact = datetime.datetime.now()
interface.ip4address.ping_avg_rtt = float(res[1])
interface.ip4address.save()
if args.debug:
print "%s (%s/%s) : %s" % (host, interface.name, \
interface.ip4address.address, res)
def do_ping_ipaddr(self, ipaddr):
status, output = getstatusoutput(PING_CMD % (args.num_pings,ipaddr))
if status == 0 and len(output) > 0:
return output.split("/")
else:
return None
def show_host_types():
types = HostType.objects.all()
for t in types:
print "%s (%s)" % (t.host_type, t.description)
if args.show_types:
show_host_types()
sys.exit(0)
if args.type == "all":
hosts = Host.objects.all()
else:
hosts = Host.objects.filter(host_type__host_type = args.type)
# start num_threads threads for pinging
for i in xrange(args.num_threads):
t = PingThread(queue)
t.setDaemon(True)
t.start()
if args.debug:
print "Pinging %d hosts using %d threads." % (len(hosts), args.num_threads)
# Add all hosts to the queue. Ping threads
# will pick hosts from this queue.
for host in hosts:
queue.put(host)
# Wait for all threads to finish, eg. queue is empty.
queue.join()