update monitor features
diff --git a/src/emuvim/api/zerorpc/network.py b/src/emuvim/api/zerorpc/network.py
index a64b09e..1b7e1e0 100644
--- a/src/emuvim/api/zerorpc/network.py
+++ b/src/emuvim/api/zerorpc/network.py
@@ -91,20 +91,30 @@
return ex.message
# setup the rate measurement for a vnf interface
- def monitor_setup_rate_measurement(self, vnf_name, vnf_interface, direction, metric):
+ def setup_metric(self, vnf_name, vnf_interface, metric):
+ logging.debug("RPC CALL: setup metric")
+ try:
+ c = self.net.monitor_agent.setup_metric(vnf_name, vnf_interface, metric)
+ return c
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
+
+ # setup the rate measurement for a vnf interface
+ def monitor_setup_rate_measurement(self, vnf_name, vnf_interface, metric):
logging.debug("RPC CALL: get rate")
try:
- c = self.net.monitor_agent.setup_rate_measurement(vnf_name, vnf_interface, direction, metric)
+ c = self.net.monitor_agent.setup_rate_measurement(vnf_name, vnf_interface, metric)
return c
except Exception as ex:
logging.exception("RPC error.")
return ex.message
# get egress(default) or ingress rate of a vnf
- def monitor_get_rate(self, vnf_name, vnf_interface, direction, metric):
+ def monitor_get_rate(self, vnf_name, vnf_interface, metric):
logging.debug("RPC CALL: get rate")
try:
- c = self.net.monitor_agent.get_rate(vnf_name, vnf_interface, direction, metric)
+ c = self.net.monitor_agent.get_rate(vnf_name, vnf_interface, metric)
return c
except Exception as ex:
logging.exception("RPC error.")
diff --git a/src/emuvim/cli/monitor.py b/src/emuvim/cli/monitor.py
index 0c3c515..1d4abfb 100755
--- a/src/emuvim/cli/monitor.py
+++ b/src/emuvim/cli/monitor.py
@@ -28,22 +28,27 @@
else:
print "Command not implemented."
- def get_rate(self, args):
+ def setup_metric(self, args):
vnf_name = self._parse_vnf_name(args.get("vnf_name"))
vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))
+ r = self.c.setup_metric(
+ vnf_name,
+ vnf_interface,
+ args.get("metric"))
+ pp.pprint(r)
+ '''
self.c.monitor_setup_rate_measurement(
vnf_name,
vnf_interface,
- args.get("direction"),
args.get("metric"))
while True:
r = self.c.monitor_get_rate(
vnf_name,
vnf_interface,
- args.get("direction"),
args.get("metric"))
pp.pprint(r)
time.sleep(1)
+ '''
def _parse_vnf_name(self, vnf_name_str):
vnf_name = vnf_name_str.split(':')[0]
@@ -65,15 +70,12 @@
"--vnf_name", "-vnf", dest="vnf_name",
help="vnf name to be monitored")
parser.add_argument(
- "--direction", "-d", dest="direction",
- help="rx (ingress rate) or tx (egress rate)")
-parser.add_argument(
"--metric", "-m", dest="metric",
- help="bytes (byte rate), packets (packet rate)")
+ help="tx_bytes, rx_bytes, tx_packets, rx_packets")
def main(argv):
- print "This is the son-emu monitor CLI."
- print "Arguments: %s" % str(argv)
+ #print "This is the son-emu monitor CLI."
+ #print "Arguments: %s" % str(argv)
args = vars(parser.parse_args(argv))
c = ZeroRpcClient()
c.execute_command(args)
diff --git a/src/emuvim/dcemulator/monitoring.py b/src/emuvim/dcemulator/monitoring.py
index 50393ea..1f7ff2e 100755
--- a/src/emuvim/dcemulator/monitoring.py
+++ b/src/emuvim/dcemulator/monitoring.py
@@ -5,28 +5,74 @@
from mininet.node import OVSSwitch
import ast
import time
+from prometheus_client import start_http_server, Summary, Histogram, Gauge, Counter
+import threading
+
logging.basicConfig(level=logging.INFO)
"""
-class to read openflow stats from the Ryu controller of the DCNEtwork
+class to read openflow stats from the Ryu controller of the DCNetwork
"""
class DCNetworkMonitor():
def __init__(self, net):
self.net = net
- # link to REST_API
+ # link to Ryu REST_API
self.ip = '0.0.0.0'
self.port = '8080'
self.REST_api = 'http://{0}:{1}'.format(self.ip,self.port)
+ # helper variables to calculate the metrics
+ # TODO put these in a list to support multiple metrics simultaneously
+ self.switch_dpid = 0
+ self.vnf_name = None
+ self.vnf_interface = None
self.previous_measurement = 0
self.previous_monitor_time = 0
- self.switch_dpid = 0
self.metric_key = None
self.mon_port = None
+
+ # Start up the server to expose the metrics to Prometheus.
+ start_http_server(8000)
+ # supported Prometheus metrics
+ self.prom_tx_packet_count = Gauge('sonemu_tx_count_packets', 'Total number of packets sent',
+ ['vnf_name', 'vnf_interface'])
+ self.prom_rx_packet_count = Gauge('sonemu_rx_count_packets', 'Total number of packets received',
+ ['vnf_name', 'vnf_interface'])
+ self.prom_tx_byte_count = Gauge('sonemu_tx_count_bytes', 'Total number of bytes sent',
+ ['vnf_name', 'vnf_interface'])
+ self.prom_rx_byte_count = Gauge('sonemu_rx_count_bytes', 'Total number of bytes received',
+ ['vnf_name', 'vnf_interface'])
+
+ self.prom_metrics={'tx_packets':self.prom_tx_packet_count, 'rx_packets':self.prom_rx_packet_count,
+ 'tx_bytes':self.prom_tx_byte_count,'rx_bytes':self.prom_rx_byte_count}
+
+ # list of installed metrics to monitor
+ # each entry can contain this data
+ '''
+ {
+ switch_dpid = 0
+ vnf_name = None
+ vnf_interface = None
+ previous_measurement = 0
+ previous_monitor_time = 0
+ metric_key = None
+ mon_port = None
+ }
+ '''
+ self.network_metrics=[]
+
+ # start monitoring thread
+ self.monitor_thread = threading.Thread(target=self.get_network_metrics)
+ self.monitor_thread.start()
+
+
# first set some parameters, before measurement can start
- def setup_rate_measurement(self, vnf_name, vnf_interface=None, direction='tx', metric='packets'):
+ def setup_metric(self, vnf_name, vnf_interface=None, metric='tx_packets'):
+
+ network_metric = {}
+
# check if port is specified (vnf:port)
if vnf_interface is None:
# take first interface by default
@@ -34,6 +80,11 @@
link_dict = self.net.DCNetwork_graph[vnf_name][connected_sw]
vnf_interface = link_dict[0]['src_port_id']
+ network_metric['vnf_name'] = vnf_name
+ network_metric['vnf_interface'] = vnf_interface
+ #self.vnf_name = vnf_name
+ #self.vnf_interface = vnf_interface
+
for connected_sw in self.net.DCNetwork_graph.neighbors(vnf_name):
link_dict = self.net.DCNetwork_graph[vnf_name][connected_sw]
for link in link_dict:
@@ -41,15 +92,18 @@
if link_dict[link]['src_port_id'] == vnf_interface:
# found the right link and connected switch
# logging.info("{0},{1}".format(link_dict[link]['src_port_id'], vnf_source_interface))
- self.mon_port = link_dict[link]['dst_port']
+ network_metric['mon_port'] = link_dict[link]['dst_port']
+ # self.mon_port = link_dict[link]['dst_port']
break
+ if 'mon_port' not in network_metric:
+ logging.exception("vnf interface {0}:{1} not found!".format(vnf_name,vnf_interface))
+ return "vnf interface {0}:{1} not found!".format(vnf_name,vnf_interface)
+
try:
# default port direction to monitor
- if direction is None:
- direction = 'tx'
if metric is None:
- metric = 'packets'
+ metric = 'tx_packets'
vnf_switch = self.net.DCNetwork_graph.neighbors(str(vnf_name))
@@ -67,18 +121,88 @@
logging.info("vnf: {0} is not connected to switch".format(vnf_name))
return
- self.previous_measurement = 0
- self.previous_monitor_time = 0
+ network_metric['previous_measurement'] = 0
+ network_metric['previous_monitor_time'] = 0
+ #self.previous_measurement = 0
+ #self.previous_monitor_time = 0
- #self.switch_dpid = x = int(str(next_node.dpid), 16)
- self.switch_dpid = int(str(next_node.dpid), 16)
- self.metric_key = '{0}_{1}'.format(direction, metric)
+ network_metric['switch_dpid'] = int(str(next_node.dpid), 16)
+ network_metric['metric_key'] = metric
+ #self.switch_dpid = int(str(next_node.dpid), 16)
+ #self.metric_key = '{0}_{1}'.format(direction, metric)
+
+ self.network_metrics.append(network_metric)
+
+ logging.info('Started monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric))
+ return 'Started monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric)
except Exception as ex:
- logging.exception("get_txrate error.")
+ logging.exception("get_rate error.")
return ex.message
+ # get all metrics defined in the list
+ def get_network_metrics(self):
+ while True:
+ # group metrics by dpid to optimize the rest api calls
+ dpid_list = [metric_dict['switch_dpid'] for metric_dict in self.network_metrics]
+ dpid_set = set(dpid_list)
+
+ for dpid in dpid_set:
+
+ # query Ryu
+ ret = self.REST_cmd('stats/port', dpid)
+ port_stat_dict = ast.literal_eval(ret)
+
+ metric_list = [metric_dict for metric_dict in self.network_metrics
+ if int(metric_dict['switch_dpid'])==int(dpid)]
+ #logging.info('1set prom packets:{0} '.format(self.network_metrics))
+ for metric_dict in metric_list:
+ self.set_network_metric(metric_dict, port_stat_dict)
+
+ time.sleep(1)
+
+ # call this function repeatedly for streaming measurements
+ def set_network_metric(self, metric_dict, port_stat_dict):
+
+ metric_key = metric_dict['metric_key']
+ switch_dpid = metric_dict['switch_dpid']
+ vnf_name = metric_dict['vnf_name']
+ vnf_interface = metric_dict['vnf_interface']
+ previous_measurement = metric_dict['previous_measurement']
+ previous_monitor_time = metric_dict['previous_monitor_time']
+ mon_port = metric_dict['mon_port']
+
+ for port_stat in port_stat_dict[str(switch_dpid)]:
+ if int(port_stat['port_no']) == int(mon_port):
+ port_uptime = port_stat['duration_sec'] + port_stat['duration_nsec'] * 10 ** (-9)
+ this_measurement = int(port_stat[metric_key])
+ #logging.info('set prom packets:{0} {1}:{2}'.format(this_measurement, vnf_name, vnf_interface))
+
+ # set prometheus metric
+ self.prom_metrics[metric_key].labels(vnf_name, vnf_interface).set(this_measurement)
+
+ if previous_monitor_time <= 0 or previous_monitor_time >= port_uptime:
+ metric_dict['previous_measurement'] = int(port_stat[metric_key])
+ metric_dict['previous_monitor_time'] = port_uptime
+ # do first measurement
+ #logging.info('first measurement')
+ time.sleep(1)
+ byte_rate = self.get_network_metrics()
+ return byte_rate
+ else:
+ time_delta = (port_uptime - metric_dict['previous_monitor_time'])
+ byte_rate = (this_measurement - metric_dict['previous_measurement']) / float(time_delta)
+ # logging.info('uptime:{2} delta:{0} rate:{1}'.format(time_delta,byte_rate,port_uptime))
+
+ metric_dict['previous_measurement'] = this_measurement
+ metric_dict['previous_monitor_time'] = port_uptime
+ return byte_rate
+
+ logging.exception('metric {0} not found on {1}:{2}'.format(metric_key, vnf_name, vnf_interface))
+ return 'metric {0} not found on {1}:{2}'.format(metric_key, vnf_name, vnf_interface)
+
+
# call this function repeatedly for streaming measurements
def get_rate(self, vnf_name, vnf_interface=None, direction='tx', metric='packets'):
@@ -89,10 +213,17 @@
for port_stat in port_stat_dict[str(self.switch_dpid)]:
if port_stat['port_no'] == self.mon_port:
port_uptime = port_stat['duration_sec'] + port_stat['duration_nsec'] * 10 ** (-9)
- this_measurement = port_stat[key]
+ this_measurement = int(port_stat[key])
+ #logging.info('packets:{0}'.format(this_measurement))
+
+ # set prometheus metrics
+ if metric == 'packets':
+ self.prom_tx_packet_count.labels(self.vnf_name, self.vnf_interface).set(this_measurement)
+ elif metric == 'bytes':
+ self.prom_tx_byte_count.labels(self.vnf_name, self.vnf_interface).set(this_measurement)
if self.previous_monitor_time <= 0 or self.previous_monitor_time >= port_uptime:
- self.previous_measurement = port_stat[key]
+ self.previous_measurement = int(port_stat[key])
self.previous_monitor_time = port_uptime
# do first measurement
time.sleep(1)
diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index 0bef2fa..8130f84 100755
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -18,7 +18,6 @@
from emuvim.dcemulator.node import Datacenter, EmulatorCompute
from emuvim.dcemulator.resourcemodel import ResourceModelRegistrar
-
class DCNetwork(Dockernet):
"""
Wraps the original Mininet/Dockernet class and provides