以下程序均来自《Python.UNIX和Linux系统管理指南》
httplib_check_web.py
#!/usr/bin/env python
import httplib
import sys
def check_webserver(address, port, resource):
if not resource.startswith('/'):
resource = '/' + resource
try:
conn = httplib.HTTPConnection(address, port)
print 'HTTP connection created successfully'
req = conn.request('GET', resource)
print 'request for %s successful' % resource
response = conn.getresponse()
print 'response status: %s' % response.status
except httplib.error, e:
print "HTTP connection failed: %s" % e
return False
finally:
conn.close()
print 'HTTP connection closed successfully'
if response.status in [200, 301]:
return True
else:
return False
if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-a", "--address", dest="address", default="localhost", help="ADDRESS for webserver", metavar="ADDRESS")
parser.add_option("-p", "--port", dest="port", type="int", default=80, help="PORT for webserver", metavar="PORT")
parser.add_option("-r", "--resource", dest="resource", default="index.html", help="RESOURCE to check", metavar="RESOURCE")
(options, args) = parser.parse_args()
print 'options: %s, args: %s' %(options, args)
check = check_webserver(options.address, options.port, options.resource)
print 'check_webserver returned %s' % check
sys.exit(not check)
运行结果：
成功
[root@CentOS python]# python httplib_check_web.py -a 192.168.137.2 -r index.html
options: {'resource': 'index.html', 'port': 80, 'address': '192.168.137.2'}, args: []
HTTP connection created successfully
request for /index.html successful
response status: 200
HTTP connection closed successfully
check_webserver returned True
不成功，网页不存在的情况
[root@centos python]# python httplib_check_web.py -a 192.168.137.2 -r ppp.html
options: {'resource': 'ppp.html', 'port': 80, 'address': '192.168.137.2'}, args: []
HTTP connection created successfully
request for /ppp.html successful
response status: 404
HTTP connection closed successfully
check_webserver returned False