X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fdcemulator%2Fmonitoring.py;h=54e79869de4c5305f6fafd6a74cdd1956b39cd15;hb=a2a1ca80a47ccac410cc8750f3e3bd942f820afa;hp=7fa5e189a2edceffc0ecafdcf88c393d0bfef974;hpb=b098cb54745c7d2d391d3ff13b501c7c8891cdfd;p=osm%2Fvim-emu.git diff --git a/src/emuvim/dcemulator/monitoring.py b/src/emuvim/dcemulator/monitoring.py index 7fa5e18..54e7986 100755 --- a/src/emuvim/dcemulator/monitoring.py +++ b/src/emuvim/dcemulator/monitoring.py @@ -5,7 +5,8 @@ import logging from mininet.node import OVSSwitch import ast import time -from prometheus_client import start_http_server, Summary, Histogram, Gauge, Counter +from prometheus_client import start_http_server, Summary, Histogram, Gauge, Counter, REGISTRY, CollectorRegistry, \ + pushadd_to_gateway, push_to_gateway, delete_from_gateway import threading from subprocess import Popen, PIPE import os @@ -25,17 +26,19 @@ class DCNetworkMonitor(): self.REST_api = 'http://{0}:{1}'.format(self.ip,self.port) # helper variables to calculate the metrics + self.pushgateway = 'localhost:9091' # Start up the server to expose the metrics to Prometheus. - start_http_server(8000) + #start_http_server(8000) # supported Prometheus metrics + self.registry = CollectorRegistry() self.prom_tx_packet_count = Gauge('sonemu_tx_count_packets', 'Total number of packets sent', - ['vnf_name', 'vnf_interface']) + ['vnf_name', 'vnf_interface'], registry=self.registry) self.prom_rx_packet_count = Gauge('sonemu_rx_count_packets', 'Total number of packets received', - ['vnf_name', 'vnf_interface']) + ['vnf_name', 'vnf_interface'], registry=self.registry) self.prom_tx_byte_count = Gauge('sonemu_tx_count_bytes', 'Total number of bytes sent', - ['vnf_name', 'vnf_interface']) + ['vnf_name', 'vnf_interface'], registry=self.registry) self.prom_rx_byte_count = Gauge('sonemu_rx_count_bytes', 'Total number of bytes received', - ['vnf_name', 'vnf_interface']) + ['vnf_name', 'vnf_interface'], registry=self.registry) 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} @@ -53,6 +56,7 @@ class DCNetworkMonitor(): mon_port = None } ''' + self.monitor_lock = threading.Lock() self.network_metrics = [] # start monitoring thread @@ -61,6 +65,7 @@ class DCNetworkMonitor(): self.monitor_thread.start() # helper tools + self.pushgateway_process = self.start_PushGateway() self.prometheus_process = self.start_Prometheus() self.cadvisor_process = self.start_cadvisor() @@ -121,21 +126,63 @@ class DCNetworkMonitor(): network_metric['switch_dpid'] = int(str(next_node.dpid), 16) network_metric['metric_key'] = metric + self.monitor_lock.acquire() self.network_metrics.append(network_metric) + self.monitor_lock.release() + 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_rate error.") + logging.exception("setup_metric error.") return ex.message - def remove_metric(self, vnf_name, vnf_interface, metric): + def stop_metric(self, vnf_name, vnf_interface, metric): + for metric_dict in self.network_metrics: if metric_dict['vnf_name'] == vnf_name and metric_dict['vnf_interface'] == vnf_interface \ - and metric_dict['metric'] == metric: + and metric_dict['metric_key'] == metric: + + self.monitor_lock.acquire() + self.network_metrics.remove(metric_dict) + + #this removes the complete metric, all labels... + #REGISTRY.unregister(self.prom_metrics[metric_dict['metric_key']]) + #self.registry.unregister(self.prom_metrics[metric_dict['metric_key']]) + + for collector in self.registry._collectors : + logging.info('name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames, collector._metrics)) + """ + INFO:root:name:sonemu_rx_count_packets + labels:('vnf_name', 'vnf_interface') + metrics:{(u'tsrc', u'output'): < prometheus_client.core.Gauge + object + at + 0x7f353447fd10 >} + """ + logging.info('{0}'.format(collector._metrics.values())) + #if self.prom_metrics[metric_dict['metric_key']] + if (vnf_name, vnf_interface) in collector._metrics: + logging.info('2 name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames, + collector._metrics)) + #collector._metrics = {} + collector.remove(vnf_name, vnf_interface) + + # set values to NaN, prometheus api currently does not support removal of metrics + #self.prom_metrics[metric_dict['metric_key']].labels(vnf_name, vnf_interface).set(float('nan')) + + # this removes the complete metric, all labels... + # 1 single monitor job for all metrics of the SDN controller + # we can only remove from the pushgateway grouping keys(labels) which we have defined for the add_to_pushgateway + # we can not specify labels from the metrics to be removed + # if we need to remove the metrics seperatelty, we need to give them a separate grouping key, and probably a diffferent registry also + delete_from_gateway(self.pushgateway, job='sonemu-SDNcontroller') + + self.monitor_lock.release() + logging.info('Stopped monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric)) return 'Stopped monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric) @@ -143,6 +190,9 @@ class DCNetworkMonitor(): # get all metrics defined in the list and export it to Prometheus def get_network_metrics(self): while self.start_monitoring: + + self.monitor_lock.acquire() + # 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) @@ -159,6 +209,7 @@ class DCNetworkMonitor(): for metric_dict in metric_list: self.set_network_metric(metric_dict, port_stat_dict) + self.monitor_lock.release() time.sleep(1) # add metric to the list to export to Prometheus, parse the Ryu port-stats reply @@ -179,7 +230,14 @@ class DCNetworkMonitor(): #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) + self.prom_metrics[metric_dict['metric_key']].\ + labels({'vnf_name':vnf_name, 'vnf_interface':vnf_interface}).\ + set(this_measurement) + #push_to_gateway(self.pushgateway, job='SDNcontroller', + # grouping_key={'metric':metric_dict['metric_key']}, registry=self.registry) + + # 1 single monitor job for all metrics of the SDN controller + pushadd_to_gateway(self.pushgateway, job='sonemu-SDNcontroller', registry=self.registry) if previous_monitor_time <= 0 or previous_monitor_time >= port_uptime: metric_dict['previous_measurement'] = int(port_stat[metric_key]) @@ -187,16 +245,17 @@ class DCNetworkMonitor(): # do first measurement #logging.info('first measurement') time.sleep(1) - byte_rate = self.get_network_metrics() - return byte_rate + self.monitor_lock.release() + metric_rate = self.get_network_metrics() + return metric_rate else: time_delta = (port_uptime - metric_dict['previous_monitor_time']) - byte_rate = (this_measurement - metric_dict['previous_measurement']) / float(time_delta) + metric_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 + return metric_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) @@ -221,6 +280,18 @@ class DCNetworkMonitor(): logging.info('Start Prometheus container {0}'.format(cmd)) return Popen(cmd) + def start_PushGateway(self, port=9091): + cmd = ["docker", + "run", + "-d", + "-p", "{0}:9091".format(port), + "--name", "pushgateway", + "prom/pushgateway" + ] + + logging.info('Start Prometheus Push Gateway container {0}'.format(cmd)) + return Popen(cmd) + def start_cadvisor(self, port=8090): cmd = ["docker", "run", @@ -247,6 +318,12 @@ class DCNetworkMonitor(): self.prometheus_process.kill() self._stop_container('prometheus') + if self.pushgateway_process is not None: + logging.info('stopping pushgateway container') + self.pushgateway_process.terminate() + self.pushgateway_process.kill() + self._stop_container('pushgateway') + if self.cadvisor_process is not None: logging.info('stopping cadvisor container') self.cadvisor_process.terminate()