/
agents.py
281 lines (244 loc) · 10.9 KB
/
agents.py
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import threading
import time
import random
import string
import requests
from abc import ABCMeta, abstractmethod
from oml4py import OMLBase
class Agent(threading.Thread):
__metaclass__ = ABCMeta
@abstractmethod
def define_measurements(self):
pass
@abstractmethod
def action(self):
pass
def __init__(self, name, domain, id_, collector, interval, logger=None):
threading.Thread.__init__(self, name=name)
self.__mutex = threading.Lock()
self.__stop = threading.Event()
self.__logger = logger
self.__interval = int(interval)
self.daemon = True
self.oml = OMLBase(name, domain, id_, collector)
self.start()
def loop(self, secs):
while self.is_alive():
self.join(secs)
def run (self):
self.__debug("Run agent base object")
self.define_measurements()
self.oml.start()
try:
while self.__isStopped() == False:
self.action()
self.__debug("Waiting %dsecs before perform an action" %
(self.__interval,))
time.sleep(self.__interval)
except Exception as e:
self.error("Run error: %s" % (str(e),))
finally:
self.__debug("close communication to collector")
self.oml.close()
def stop(self):
with self.__mutex:
self.__stop.set()
def info(self, msg):
if self.__logger:
self.__logger.info(msg)
def error(self, msg):
if self.__logger:
self.__logger.error(msg)
def __debug(self, msg):
if self.__logger:
self.__logger.debug(msg)
def __isStopped(self):
with self.__mutex:
return self.__stop.isSet()
class TestAgent(Agent):
""" Test AGENT class"""
def __init__(self, app_name, app_domain, app_id, collector_url,
mp_name, interval, logger=None):
super(TestAgent, self).__init__(app_name,
app_domain,
app_id,
collector_url,
interval,
logger)
self.mp_name = mp_name
self.info("TestAgent name=%s" % (self.mp_name,))
def define_measurements(self):
ms_format_ = "freq:string amplitude:int32"
self.oml.addmp(self.mp_name, ms_format_)
self.info("%s: defined measurements format=%s" % (self.mp_name, ms_format_))
def action(self):
data_ = [''.join([random.choice(string.ascii_letters + string.digits) for n in xrange(32)]),
random.randint(0,100)]
self.oml.inject(self.mp_name, data_)
self.info("%s: sent data to collector=%s" % (self.mp_name, data_))
class XenServerAgent(Agent):
""" XenServer AGENT class"""
def __init__(self, app_name, app_domain, app_id, collector_url,
mp_name, interval, addr, user, pswd, logger=None):
super(XenServerAgent, self).__init__(app_name,
app_domain,
app_id,
collector_url,
interval,
logger)
self.mp_name = mp_name
self.url = 'http://' + addr + '/rrd_updates'
self.auth = (user, pswd)
self.interval = int(interval)
self.info("XenServerAgent name=%s, url=%s, auth=%s" %
(self.mp_name, self.url, self.auth,))
def define_measurements(self):
self.error('Not implemented yet')
def action(self):
try:
start_ = int(round(time.time())) - self.interval
resp_ = requests.get(url=self.url,
auth=self.auth,
params={'start': start_})
self.info("%s: response=%s" % (self.mp_name, resp_.text))
except requests.exceptions.RequestException as e:
self.error(str(e))
class ENoxControllerAgent(Agent):
""" ENox-Controller AGENT class"""
def __init__(self, app_name, app_domain, app_id, collector_url,
mp_name, interval, addr, port, logger=None):
super(ENoxControllerAgent, self).__init__(app_name,
app_domain,
app_id,
collector_url,
interval,
logger)
self.mp_name = mp_name
self.url = 'http://' + addr + ':' + port + '/'
self.ports = []
self.info("ENoxControllerAgent name=%s, url=%s" %
(self.mp_name, self.url,))
def get_ports(self):
try:
r_ = requests.get(url=self.url + 'ports')
if r_.status_code != requests.codes.ok:
self.error("%s: ports failure=%d" %\
(self.mp_name, r_.status_code,))
else:
self.ports = [(x['dpid'], x['port_no'])
for x in r_.json()['ports']]
self.info("%s: ports(%d)=%s" %\
(self.mp_name, len(self.ports), self.ports,))
except Exception as e:
self.error(str(e))
def get_port_stats(self):
try:
(dpid, portno) = self.ports.pop()
r_ = requests.get(url=self.url + 'pckt_port_stats_info',
params={'dpid':dpid, 'portno': portno})
if r_.status_code != requests.codes.ok:
self.error("%s: ports stats failure=%d [dpid=%s, portno=%s]" %\
(self.mp_name, r_.status_code, dpid, portno,))
else:
for x in r_.json()['packet_port_stats']:
data_ = [dpid,
x.get('port_no', int(portno)),
x.get('tx_pkts', 0),
x.get('rx_pkts', 0),
x.get('tx_bytes', 0),
x.get('rx_bytes', 0),
x.get('tx_dropped', 0),
x.get('rx_dropped', 0),
x.get('tx_errors', 0),
x.get('rx_errors', 0),
x.get('collisions', 0),
x.get('rx_over_err', 0),
x.get('rx_frame_err', 0),
x.get('rx_crc_err', 0)]
self.oml.inject(self.mp_name, data_)
self.info("%s: sent data to collector=%s" % (self.mp_name, data_))
except Exception as e:
self.error(str(e))
def define_measurements(self):
ms_format_ = "dpid:string " +\
"portno:int32 " +\
"tx_pkts:int64 " +\
"rx_pkts:int64 " +\
"tx_bytes:int64 " +\
"rx_bytes:int64 " +\
"tx_dropped:int64 " +\
"rx_dropped:int64 " +\
"tx_errors:int64 " +\
"rx_errors:int64 " +\
"collision:int64 " +\
"rx_over_err:int64 " +\
"rx_frame_err:int64 " +\
"rx_crc_err:int64 "
self.oml.addmp(self.mp_name, ms_format_)
self.info("%s: defined measurements format=%s" % (self.mp_name, ms_format_))
def action(self):
if len(self.ports) == 0:
self.get_ports()
else:
self.get_port_stats()
class ODLControllerAgent(Agent):
""" OpenDayLight-Controller AGENT class"""
def __init__(self, app_name, app_domain, app_id, collector_url,
mp_name, interval, addr, port, user, pswd, logger=None):
super(ODLControllerAgent, self).__init__(app_name,
app_domain,
app_id,
collector_url,
interval,
logger)
self.mp_name = mp_name
self.url = 'http://' + addr + ':' + port + '/'
self.auth = (user, pswd)
self.info("ODLControllerAgent name=%s, url=%s, auth=%s" %
(self.mp_name, self.url, self.auth,))
def define_measurements(self):
ms_format_ = "dpid:string " +\
"portno:int32 " +\
"tx_pkts:int64 " +\
"rx_pkts:int64 " +\
"tx_bytes:int64 " +\
"rx_bytes:int64 " +\
"tx_dropped:int64 " +\
"rx_dropped:int64 " +\
"tx_errors:int64 " +\
"rx_errors:int64 " +\
"collision:int64 " +\
"rx_over_err:int64 " +\
"rx_frame_err:int64 " +\
"rx_crc_err:int64 "
self.oml.addmp(self.mp_name, ms_format_)
self.info("%s: defined measurements format=%s" % (self.mp_name, ms_format_))
def action(self):
try:
r_ = requests.get(url=self.url + 'controller/nb/v2/statistics/default/port',
auth=self.auth)
if r_.status_code != requests.codes.ok:
self.error("%s: ports stats failure=%d" %\
(self.mp_name, r_.status_code,))
else:
for x in r_.json().get('portStatistics'):
dpid_ = x.get('node').get('id')
for y in x.get('portStatistic'):
data_ = [dpid_,
y.get('nodeConnector').get('id'),
y.get('transmitPackets', 0),
y.get('receivePackets', 0),
y.get('transmitBytes', 0),
y.get('receiveBytes', 0),
y.get('transmitDrops', 0),
y.get('receiveDrops', 0),
y.get('transmitErrors', 0),
y.get('receiveErrors', 0),
y.get('collisionCount', 0),
y.get('receiveOverRunError', 0),
y.get('receiveFrameError', 0),
y.get('receiveCrcError', 0)]
self.oml.inject(self.mp_name, data_)
self.info("%s: sent data to collector=%s" % (self.mp_name, data_))
except Exception as e:
self.error(str(e))