partner consortium (www.sonata-nfv.eu).\r
"""\r
\r
-import urllib2\r
import logging\r
from mininet.node import OVSSwitch\r
import ast\r
from prometheus_client import start_http_server, Summary, Histogram, Gauge, Counter, REGISTRY, CollectorRegistry, \\r
pushadd_to_gateway, push_to_gateway, delete_from_gateway\r
import threading\r
-from subprocess import Popen, PIPE\r
+from subprocess import Popen\r
import os\r
\r
-import paramiko\r
-import gevent\r
\r
logging.basicConfig(level=logging.INFO)\r
\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
-\r
-\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
- # Start up the server to expose the metrics to Prometheus.\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
+\r
# supported Prometheus metrics\r
self.registry = CollectorRegistry()\r
self.prom_tx_packet_count = Gauge('sonemu_tx_count_packets', 'Total number of packets sent',\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
for connected_sw in self.net.DCNetwork_graph.neighbors(vnf_name):\r
link_dict = self.net.DCNetwork_graph[vnf_name][connected_sw]\r
for link in link_dict:\r
- # logging.info("{0},{1}".format(link_dict[link],vnf_interface))\r
if link_dict[link]['src_port_id'] == vnf_interface:\r
# found the right link and connected switch\r
- # logging.info("{0},{1}".format(link_dict[link]['src_port_id'], vnf_source_interface))\r
vnf_switch = connected_sw\r
flow_metric['mon_port'] = link_dict[link]['dst_port_nr']\r
break\r
\r
for collector in self.registry._collectors:\r
if (vnf_name, vnf_interface, cookie) in collector._metrics:\r
- #logging.info('2 name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames,\r
- # collector._metrics))\r
collector.remove(vnf_name, vnf_interface, cookie)\r
\r
delete_from_gateway(self.pushgateway, job='sonemu-SDNcontroller')\r
for connected_sw in self.net.DCNetwork_graph.neighbors(vnf_name):\r
link_dict = self.net.DCNetwork_graph[vnf_name][connected_sw]\r
for link in link_dict:\r
- # logging.info("{0},{1}".format(link_dict[link],vnf_interface))\r
if link_dict[link]['src_port_id'] == vnf_interface:\r
# found the right link and connected switch\r
- # logging.info("{0},{1}".format(link_dict[link]['src_port_id'], vnf_source_interface))\r
network_metric['mon_port'] = link_dict[link]['dst_port_nr']\r
break\r
\r
def stop_metric(self, vnf_name, vnf_interface=None, metric=None):\r
\r
for metric_dict in self.network_metrics:\r
- #logging.info('start Stopped monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric_dict))\r
if metric_dict['vnf_name'] == vnf_name and metric_dict['vnf_interface'] == vnf_interface \\r
and metric_dict['metric_key'] == metric:\r
\r
#self.registry.unregister(self.prom_metrics[metric_dict['metric_key']])\r
\r
for collector in self.registry._collectors :\r
- #logging.info('name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames, collector._metrics))\r
+\r
"""\r
INFO:root:name:sonemu_rx_count_packets\r
labels:('vnf_name', 'vnf_interface')\r
0x7f353447fd10 >}\r
"""\r
logging.info('{0}'.format(collector._metrics.values()))\r
- #if self.prom_metrics[metric_dict['metric_key']]\r
+\r
if (vnf_name, vnf_interface, 'None') in collector._metrics:\r
logging.info('2 name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames,\r
collector._metrics))\r
- #collector._metrics = {}\r
collector.remove(vnf_name, vnf_interface, 'None')\r
\r
# set values to NaN, prometheus api currently does not support removal of metrics\r
ret = self.net.ryu_REST('stats/flow', dpid=flow_dict['switch_dpid'], data=data)\r
flow_stat_dict = ast.literal_eval(ret)\r
\r
- #logging.info('received flow stat:{0} '.format(flow_stat_dict))\r
+ logging.debug('received flow stat:{0} '.format(flow_stat_dict))\r
self.set_flow_metric(flow_dict, flow_stat_dict)\r
\r
self.monitor_flow_lock.release()\r
\r
metric_list = [metric_dict for metric_dict in self.network_metrics\r
if int(metric_dict['switch_dpid'])==int(dpid)]\r
- #logging.info('1set prom packets:{0} '.format(self.network_metrics))\r
+\r
for metric_dict in metric_list:\r
self.set_network_metric(metric_dict, port_stat_dict)\r
\r
if int(port_stat['port_no']) == int(mon_port):\r
port_uptime = port_stat['duration_sec'] + port_stat['duration_nsec'] * 10 ** (-9)\r
this_measurement = int(port_stat[metric_key])\r
- #logging.info('set prom packets:{0} {1}:{2}'.format(this_measurement, vnf_name, vnf_interface))\r
\r
# set prometheus metric\r
self.prom_metrics[metric_dict['metric_key']].\\r
labels({'vnf_name': vnf_name, 'vnf_interface': vnf_interface, 'flow_id': None}).\\r
set(this_measurement)\r
- #push_to_gateway(self.pushgateway, job='SDNcontroller',\r
- # grouping_key={'metric':metric_dict['metric_key']}, registry=self.registry)\r
\r
# 1 single monitor job for all metrics of the SDN controller\r
pushadd_to_gateway(self.pushgateway, job='sonemu-SDNcontroller', registry=self.registry)\r
\r
+ # also the rate is calculated here, but not used for now\r
+ # (rate can be easily queried from prometheus also)\r
if previous_monitor_time <= 0 or previous_monitor_time >= port_uptime:\r
metric_dict['previous_measurement'] = int(port_stat[metric_key])\r
metric_dict['previous_monitor_time'] = port_uptime\r
# do first measurement\r
- #logging.info('first measurement')\r
time.sleep(1)\r
self.monitor_lock.release()\r
\r
else:\r
time_delta = (port_uptime - metric_dict['previous_monitor_time'])\r
metric_rate = (this_measurement - metric_dict['previous_measurement']) / float(time_delta)\r
- #logging.info('metric: {0} rate:{1}'.format(metric_dict['metric_key'], metric_rate))\r
\r
metric_dict['previous_measurement'] = this_measurement\r
metric_dict['previous_monitor_time'] = port_uptime\r
\r
def set_flow_metric(self, metric_dict, flow_stat_dict):\r
# vnf tx is the datacenter switch rx and vice-versa\r
- #metric_key = self.switch_tx_rx(metric_dict['metric_key'])\r
metric_key = metric_dict['metric_key']\r
switch_dpid = metric_dict['switch_dpid']\r
vnf_name = metric_dict['vnf_name']\r
set(counter)\r
pushadd_to_gateway(self.pushgateway, job='sonemu-SDNcontroller', registry=self.registry)\r
\r
- #logging.exception('metric {0} not found on {1}:{2}'.format(metric_key, vnf_name, vnf_interface))\r
- #return 'metric {0} not found on {1}:{2}'.format(metric_key, vnf_name, vnf_interface)\r
-\r
- def query_Prometheus(self, query):\r
- '''\r
- escaped_chars='{}[]'\r
- for old in escaped_chars:\r
- new = '\{0}'.format(old)\r
- query = query.replace(old, new)\r
- '''\r
- url = self.prometheus_REST_api + '/' + 'api/v1/query?query=' + query\r
- #logging.info('query:{0}'.format(url))\r
- req = urllib2.Request(url)\r
- ret = urllib2.urlopen(req).read()\r
- ret = ast.literal_eval(ret)\r
- if ret['status'] == 'success':\r
- #logging.info('return:{0}'.format(ret))\r
- try:\r
- ret = ret['data']['result'][0]['value']\r
- except:\r
- ret = None\r
- else:\r
- ret = None\r
- return ret\r
\r
def start_Prometheus(self, port=9090):\r
# prometheus.yml configuration file is located in the same directory as this file\r
name]\r
Popen(cmd).wait()\r
\r
- def profile(self, mgmt_ip, rate, input_ip, vnf_uuid ):\r
-\r
- ssh = paramiko.SSHClient()\r
- ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())\r
- #ssh.connect(mgmt_ip, username='steven', password='test')\r
- ssh.connect(mgmt_ip, username='root', password='root')\r
-\r
- iperf_cmd = 'iperf -c {0} -u -l18 -b{1}M -t1000 &'.format(input_ip, rate)\r
- if rate > 0:\r
- stdin, stdout, stderr = ssh.exec_command(iperf_cmd)\r
-\r
- start_time = time.time()\r
- query_cpu = '(sum(rate(container_cpu_usage_seconds_total{{id="/docker/{0}"}}[{1}s])))'.format(vnf_uuid, 1)\r
- while (time.time() - start_time) < 15:\r
- data = self.query_Prometheus(query_cpu)\r
- # logging.info('rate: {1} data:{0}'.format(data, rate))\r
- gevent.sleep(0)\r
- time.sleep(1)\r
-\r
- query_cpu2 = '(sum(rate(container_cpu_usage_seconds_total{{id="/docker/{0}"}}[{1}s])))'.format(vnf_uuid, 8)\r
- cpu_load = float(self.query_Prometheus(query_cpu2)[1])\r
- output = 'rate: {1}Mbps; cpu_load: {0}%'.format(round(cpu_load * 100, 2), rate)\r
- output_line = output\r
- logging.info(output_line)\r
-\r
- stop_iperf = 'pkill -9 iperf'\r
- stdin, stdout, stderr = ssh.exec_command(stop_iperf)\r
-\r
- return output_line\r
-\r
projects / osm / vim-emu.git / blobdiff