def run(_umc_instance):
MODULE.info('Checking samba logfiles for "Too many open files" messages')
counter = 0
try:
with open('/var/log/samba/log.smbd', 'rb') as fd:
for line in fd:
counter += len(re.findall('Too many open files', line))
except (OSError, IOError):
return # logfile does not exists
ucr.load()
try:
max_open_files = int(ucr.get('samba/max_open_files', 32808))
except ValueError:
max_open_files = 0
if counter and max_open_files < suggested_max_open_files:
raise Critical(umc_modules=[{'module': 'ucr'}])
def run(_umc_instance,
url='http://www.univention.de/',
connecttimeout=30,
timeout=30):
ucr.load()
proxy = ucr.get('proxy/http')
if not proxy:
return
proxy = urlparse(proxy)
MODULE.info('The proxy is configured, using host=%r, port=%r' %
(proxy.hostname, proxy.port))
curl = pycurl.Curl()
curl.setopt(pycurl.PROXYTYPE, pycurl.PROXYTYPE_HTTP)
if proxy.hostname:
curl.setopt(pycurl.PROXY, proxy.hostname)
if proxy.port:
curl.setopt(pycurl.PROXYPORT, proxy.port)
curl.setopt(pycurl.FOLLOWLOCATION, True)
curl.setopt(pycurl.MAXREDIRS, 5)
curl.setopt(pycurl.CONNECTTIMEOUT, connecttimeout)
curl.setopt(pycurl.TIMEOUT, 30)
if proxy.username:
curl.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_ANY)
credentials = '%s' % (proxy.username, )
if proxy.password:
credentials = '%s:%s' % (proxy.username, proxy.password)
curl.setopt(pycurl.PROXYUSERPWD, credentials)
curl.setopt(pycurl.URL, url)
# curl.setopt(pycurl.VERBOSE, bVerbose)
buf = StringIO.StringIO()
curl.setopt(pycurl.WRITEFUNCTION, buf.write)
try:
curl.perform()
except pycurl.error as exc:
try:
code, msg = exc.args
msg = '%s (code=%s)' % (msg, code)
MODULE.info(msg)
except ValueError:
MODULE.error(traceback.format_exc())
code = 0
msg = str(exc)
if code == pycurl.E_COULDNT_CONNECT:
msg = _(
'The proxy host could not be reached. Make sure that hostname (%(hostname)r) and port (%(port)r) are correctly set up.'
) % {
'hostname': proxy.hostname,
'port': proxy.port
}
elif code == pycurl.E_COULDNT_RESOLVE_PROXY:
msg = _(
'The hostname of the proxy could not be resolved. May check your DNS configuration.'
)
elif code == pycurl.E_OPERATION_TIMEOUTED:
msg = _(
'The server did not respond within %d seconds. Please check your network configuration.'
) % (timeout, )
elif code == 0:
MODULE.error(traceback.format_exc())
raise Critical('\n'.join([description, msg]))
else:
# page = buf.getvalue()
# MODULE.info(page[:100])
buf.close()
http_status = curl.getinfo(pycurl.HTTP_CODE)
if http_status >= 400:
raise Warning('\n'.join([
description,
_('The proxy server is reachable but the HTTP response status code (%d) does not indicate success.'
) % (http_status, ),
_('This warning might be harmless. Nevertheless make sure the authentication credentials (if any) are correct and the proxy server ACLs do not forbid requests to %s.'
) % (url, )
]))
finally:
curl.close()
