"""\r
\r
import logging\r
+import sys\r
from mininet.node import OVSSwitch\r
import ast\r
import time\r
class to read openflow stats from the Ryu controller of the DCNetwork\r
"""\r
\r
+PUSHGATEWAY_PORT = 9091\r
+# we cannot use port 8080 because ryu-ofrest api is already using that one\r
+CADVISOR_PORT = 8081\r
+\r
+COOKIE_MASK = 0xffffffff\r
+\r
class DCNetworkMonitor():\r
def __init__(self, net):\r
self.net = net\r
\r
- # TODO: these global variables should be part of a config file?\r
- '''\r
- # prometheus is started outside of son-emu\r
- prometheus_ip = '127.0.0.1'\r
- prometheus_port = '9090'\r
- self.prometheus_REST_api = 'http://{0}:{1}'.format(prometheus_ip, prometheus_port)\r
- '''\r
- # helper variables to calculate the metrics\r
- # pushgateway is started outside of son-emu and son-emu is started with net=host\r
- # so localhost:9091 works\r
- self.pushgateway = 'localhost:9091'\r
- # when sdk is started with docker-compose, we could use\r
- # self.pushgateway = 'pushgateway:9091'\r
- # Start up the server to expose the metrics to Prometheus\r
- #start_http_server(8000)\r
+ # pushgateway address\r
+ self.pushgateway = 'localhost:{0}'.format(PUSHGATEWAY_PORT)\r
\r
# supported Prometheus metrics\r
self.registry = CollectorRegistry()\r
self.monitor_flow_thread.start()\r
\r
# helper tools\r
- # Prometheus pushgateway and DB are started as external contianer, outside of son-emu\r
- #self.pushgateway_process = self.start_PushGateway()\r
- #self.prometheus_process = self.start_Prometheus()\r
- self.cadvisor_process = self.start_cadvisor()\r
+ # cAdvisor, Prometheus pushgateway are started as external container, to gather monitoring metric in son-emu\r
+ self.pushgateway_process = self.start_PushGateway()\r
+ self.cadvisor_process = self.start_cAdvisor()\r
+\r
\r
# first set some parameters, before measurement can start\r
def setup_flow(self, vnf_name, vnf_interface=None, metric='tx_packets', cookie=0):\r
logging.exception("setup_metric error.")\r
return ex.message\r
\r
- def stop_flow(self, vnf_name, vnf_interface=None, metric=None, cookie=0):\r
+ def stop_flow(self, vnf_name, vnf_interface=None, metric=None, cookie=0,):\r
+\r
+ # check if port is specified (vnf:port)\r
+ if vnf_interface is None and metric is not None:\r
+ # take first interface by default\r
+ connected_sw = self.net.DCNetwork_graph.neighbors(vnf_name)[0]\r
+ link_dict = self.net.DCNetwork_graph[vnf_name][connected_sw]\r
+ vnf_interface = link_dict[0]['src_port_id']\r
+\r
for flow_dict in self.flow_metrics:\r
if flow_dict['vnf_name'] == vnf_name and flow_dict['vnf_interface'] == vnf_interface \\r
and flow_dict['metric_key'] == metric and flow_dict['cookie'] == cookie:\r
logging.info('Stopped monitoring flow {3}: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric, cookie))\r
return 'Stopped monitoring flow {3}: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric, cookie)\r
\r
+ return 'Error stopping monitoring flow: {0} on {1}:{2}'.format(metric, vnf_name, vnf_interface)\r
+\r
\r
# first set some parameters, before measurement can start\r
def setup_metric(self, vnf_name, vnf_interface=None, metric='tx_packets'):\r
network_metric['metric_key'] = metric\r
\r
self.monitor_lock.acquire()\r
-\r
self.network_metrics.append(network_metric)\r
self.monitor_lock.release()\r
\r
\r
def stop_metric(self, vnf_name, vnf_interface=None, metric=None):\r
\r
+ # check if port is specified (vnf:port)\r
+ if vnf_interface is None and metric is not None:\r
+ # take first interface by default\r
+ connected_sw = self.net.DCNetwork_graph.neighbors(vnf_name)[0]\r
+ link_dict = self.net.DCNetwork_graph[vnf_name][connected_sw]\r
+ vnf_interface = link_dict[0]['src_port_id']\r
+\r
for metric_dict in self.network_metrics:\r
if metric_dict['vnf_name'] == vnf_name and metric_dict['vnf_interface'] == vnf_interface \\r
and metric_dict['metric_key'] == metric:\r
logging.info('Stopped monitoring vnf: {0}'.format(vnf_name))\r
return 'Stopped monitoring: {0}'.format(vnf_name)\r
\r
+ return 'Error stopping monitoring metric: {0} on {1}:{2}'.format(metric, vnf_name, vnf_interface)\r
+\r
\r
- # get all metrics defined in the list and export it to Prometheus\r
+# get all metrics defined in the list and export it to Prometheus\r
def get_flow_metrics(self):\r
while self.start_monitoring:\r
\r
data = {}\r
\r
data['cookie'] = flow_dict['cookie']\r
+ data['cookie_mask'] = COOKIE_MASK\r
\r
if 'tx' in flow_dict['metric_key']:\r
data['match'] = {'in_port':flow_dict['mon_port']}\r
\r
# query Ryu\r
ret = self.net.ryu_REST('stats/flow', dpid=flow_dict['switch_dpid'], data=data)\r
- flow_stat_dict = ast.literal_eval(ret)\r
+ if isinstance(ret, dict):\r
+ flow_stat_dict = ret\r
+ elif isinstance(ret, basestring):\r
+ flow_stat_dict = ast.literal_eval(ret.rstrip())\r
+ else:\r
+ flow_stat_dict = None\r
\r
logging.debug('received flow stat:{0} '.format(flow_stat_dict))\r
+\r
self.set_flow_metric(flow_dict, flow_stat_dict)\r
\r
self.monitor_flow_lock.release()\r
\r
# query Ryu\r
ret = self.net.ryu_REST('stats/port', dpid=dpid)\r
- port_stat_dict = ast.literal_eval(ret)\r
+ if isinstance(ret, dict):\r
+ port_stat_dict = ret\r
+ elif isinstance(ret, basestring):\r
+ port_stat_dict = ast.literal_eval(ret.rstrip())\r
+ else:\r
+ port_stat_dict = None\r
\r
metric_list = [metric_dict for metric_dict in self.network_metrics\r
if int(metric_dict['switch_dpid'])==int(dpid)]\r
metric_dict['previous_measurement'] = int(port_stat[metric_key])\r
metric_dict['previous_monitor_time'] = port_uptime\r
# do first measurement\r
- time.sleep(1)\r
- self.monitor_lock.release()\r
-\r
- metric_rate = self.get_network_metrics()\r
- return metric_rate\r
+ #time.sleep(1)\r
+ #self.monitor_lock.release()\r
+ # rate cannot be calculated yet (need a first measurement)\r
+ metric_rate = None\r
\r
else:\r
time_delta = (port_uptime - metric_dict['previous_monitor_time'])\r
\r
metric_dict['previous_measurement'] = this_measurement\r
metric_dict['previous_monitor_time'] = port_uptime\r
- return metric_rate\r
+ return\r
\r
logging.exception('metric {0} not found on {1}:{2}'.format(metric_key, vnf_name, vnf_interface))\r
+ logging.exception('monport:{0}, dpid:{1}'.format(mon_port, switch_dpid))\r
+ logging.exception('port dict:{0}'.format(port_stat_dict))\r
return 'metric {0} not found on {1}:{2}'.format(metric_key, vnf_name, vnf_interface)\r
\r
def set_flow_metric(self, metric_dict, flow_stat_dict):\r
previous_monitor_time = metric_dict['previous_monitor_time']\r
cookie = metric_dict['cookie']\r
\r
- # TODO aggregate all found flow stats\r
- flow_stat = flow_stat_dict[str(switch_dpid)][0]\r
- if 'bytes' in metric_key:\r
- counter = flow_stat['byte_count']\r
- elif 'packet' in metric_key:\r
- counter = flow_stat['packet_count']\r
+ counter = 0\r
+ for flow_stat in flow_stat_dict[str(switch_dpid)]:\r
+ if 'bytes' in metric_key:\r
+ counter += flow_stat['byte_count']\r
+ elif 'packet' in metric_key:\r
+ counter += flow_stat['packet_count']\r
\r
- flow_uptime = flow_stat['duration_sec'] + flow_stat['duration_nsec'] * 10 ** (-9)\r
+ # flow_uptime disabled for now (can give error)\r
+ #flow_stat = flow_stat_dict[str(switch_dpid)][0]\r
+ #flow_uptime = flow_stat['duration_sec'] + flow_stat['duration_nsec'] * 10 ** (-9)\r
\r
self.prom_metrics[metric_dict['metric_key']]. \\r
labels({'vnf_name': vnf_name, 'vnf_interface': vnf_interface, 'flow_id': cookie}). \\r
set(counter)\r
- pushadd_to_gateway(self.pushgateway, job='sonemu-SDNcontroller', registry=self.registry)\r
+ try:\r
+ pushadd_to_gateway(self.pushgateway, job='sonemu-SDNcontroller', registry=self.registry)\r
+ except Exception, e:\r
+ logging.warning("Pushgateway not reachable: {0} {1}".format(Exception, e))\r
\r
\r
def start_Prometheus(self, port=9090):\r
logging.info('Start Prometheus container {0}'.format(cmd))\r
return Popen(cmd)\r
\r
- def start_PushGateway(self, port=9091):\r
+ def start_PushGateway(self, port=PUSHGATEWAY_PORT):\r
cmd = ["docker",\r
"run",\r
"-d",\r
"-p", "{0}:9091".format(port),\r
"--name", "pushgateway",\r
+ "--label", 'com.containernet=""',\r
"prom/pushgateway"\r
]\r
\r
logging.info('Start Prometheus Push Gateway container {0}'.format(cmd))\r
return Popen(cmd)\r
\r
- def start_cadvisor(self, port=8090):\r
+ def start_cAdvisor(self, port=CADVISOR_PORT):\r
cmd = ["docker",\r
"run",\r
"--rm",\r
"--volume=/var/lib/docker/:/var/lib/docker:ro",\r
"--publish={0}:8080".format(port),\r
"--name=cadvisor",\r
+ "--label",'com.containernet=""',\r
"google/cadvisor:latest"\r
]\r
logging.info('Start cAdvisor container {0}'.format(cmd))\r
self.monitor_thread.join()\r
self.monitor_flow_thread.join()\r
\r
+ # these containers are used for monitoring but are started now outside of son-emu\r
'''\r
if self.prometheus_process is not None:\r
logging.info('stopping prometheus container')\r
self.prometheus_process.terminate()\r
self.prometheus_process.kill()\r
self._stop_container('prometheus')\r
-\r
+ '''\r
if self.pushgateway_process is not None:\r
logging.info('stopping pushgateway container')\r
- self.pushgateway_process.terminate()\r
- self.pushgateway_process.kill()\r
+ #self.pushgateway_process.terminate()\r
+ #self.pushgateway_process.kill()\r
self._stop_container('pushgateway')\r
- '''\r
\r
if self.cadvisor_process is not None:\r
logging.info('stopping cadvisor container')\r
- self.cadvisor_process.terminate()\r
- self.cadvisor_process.kill()\r
+ #self.cadvisor_process.terminate()\r
+ #self.cadvisor_process.kill()\r
self._stop_container('cadvisor')\r
\r
def switch_tx_rx(self,metric=''):\r
return metric\r
\r
def _stop_container(self, name):\r
- cmd = ["docker",\r
- "stop",\r
- name]\r
- Popen(cmd).wait()\r
\r
cmd = ["docker",\r
"rm",\r
+ "-f",\r
name]\r
Popen(cmd).wait()\r
\r
projects / osm / vim-emu.git / blobdiff