import paramiko
import ipaddress
+import time
+import gevent
logging.basicConfig(level=logging.INFO)
logging.exception("RPC error.")
return ex.message
+ @zerorpc.stream
def compute_profile(self, dc_label, compute_name, image, kwargs):
# note: zerorpc does not support keyword arguments
kwargs.get('command'))
# start traffic source (with fixed ip addres, no use for now...)
psrc_status = self.compute_action_start( dc_label, 'psrc', 'profile_source', [{'id':'output'}], None)
+ # start traffic sink (with fixed ip addres)
+ psink_status = self.compute_action_start(dc_label, 'psink', 'profile_sink', [{'id': 'input'}], None)
# link vnf to traffic source
DCNetwork = self.dcs.get(dc_label).net
DCNetwork.setChain('psrc', compute_name,
vnf_src_interface='output',
vnf_dst_interface=kwargs.get('input'),
- cmd='add-flow', weight=None)
+ cmd='add-flow', weight=None, bidirectional=True)
+ DCNetwork.setChain('psrc', compute_name,
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='add-flow', weight=None,
+ match='dl_type=0x0800,nw_proto=17,udp_dst=5001',
+ cookie=10)
+ DCNetwork.setChain( compute_name, 'psink',
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='add-flow', weight=None, bidirectional=True)
+ DCNetwork.setChain(compute_name, 'psink',
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='add-flow', weight=None,
+ match='dl_type=0x0800,nw_proto=17,udp_dst=5001',
+ cookie=11)
## SSM/SP tasks:
# start traffic generation
+ '''
for nw in psrc_status.get('network'):
if nw.get('intf_name') == 'output':
psrc_output_ip = unicode(nw['ip'])
break
dummy_iperf_server_ip = ipaddress.IPv4Address(psrc_output_ip) + 1
- iperf_cmd = 'iperf -c {0} -u -l18 -b10M -t1000 &'.format(dummy_iperf_server_ip)
-
- psrc_mgmt_ip = psrc_status['docker_network']
- psrc_user='root'
- psrc_passw='root'
-
- # use ssh login when starting command externally
- ret = self.dcs.get(dc_label).containers.get('psrc').pexec(iperf_cmd)
- logging.info(ret)
- self.dcs.get(dc_label).containers.get('psrc').monitor()
-
- #ssh does not work when exectuted via zerorpc command
- #psrc_mgmt_ip = '172.17.0.3'
- #ssh = paramiko.SSHClient()
- #ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
- #ssh.connect(psrc_mgmt_ip, username='steven', password='test')
- #ssh.connect(psrc_mgmt_ip, username='root', password='root')
-
- #iperf_cmd = 'iperf -c {0} -u -l18 -b10M -t1000'.format(dummy_iperf_server_ip)
- #stdin, stdout, stderr = ssh.exec_command(iperf_cmd)
- # get monitor data and analyze
+ '''
+ for nw in psink_status.get('network'):
+ if nw.get('intf_name') == 'input':
+ psink_input_ip = nw['ip']
+ break
- # create table
- ## VIM/dummy gatekeeper's tasks:
- # remove vnfs and chain
+ # get monitor data and analyze
+ vnf_uuid = vnf_status['id']
+ psrc_mgmt_ip = psrc_status['docker_network']
+ # query rate
+
+ #need to wait a bit before containers are fully up?
+ time.sleep(2)
+
+ def generate():
+ for rate in [0, 1, 2, 3]:
+ #logging.info('query:{0}'.format(query_cpu))
+
+ output_line = DCNetwork.monitor_agent.profile(psrc_mgmt_ip, rate, psink_input_ip, vnf_uuid)
+ gevent.sleep(0)
+ yield output_line
+
+ # query loss
+
+
+ # create table
+
+ ## VIM/dummy gatekeeper's tasks:
+ # remove vnfs and chain
+ DCNetwork.setChain('psrc', compute_name,
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='del-flows', weight=None, bidirectional=True)
+ DCNetwork.setChain('psrc', compute_name,
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='del-flows', weight=None,
+ match='dl_type=0x0800,nw_proto=17,udp_dst=5001',
+ cookie=10)
+ DCNetwork.setChain(compute_name, 'psink',
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='del-flows', weight=None, bidirectional=True)
+ DCNetwork.setChain(compute_name, 'psink',
+ vnf_src_interface='output',
+ vnf_dst_interface=kwargs.get('input'),
+ cmd='del-flows', weight=None,
+ match='dl_type=0x0800,nw_proto=17,udp_dst=5001',
+ cookie=11)
+ self.compute_action_stop(dc_label, compute_name)
+ self.compute_action_stop(dc_label, 'psink')
+ self.compute_action_stop(dc_label, 'psrc')
+
+ return generate()
def datacenter_list(self):
logging.debug("RPC CALL: datacenter list")
logging.exception("RPC error.")
return ex.message
-'''
-if __name__ == "__main__":
- test = MultiDatacenterApi({})
- test.compute_profile('dc1','vnf1', 'image',network='',command='test',other='other')
-'''
vnf_src_name, vnf_dst_name,
vnf_src_interface=kwargs.get('vnf_src_interface'),
vnf_dst_interface=kwargs.get('vnf_dst_interface'),
+ cmd='add-flow',
weight=kwargs.get('weight'),
match=kwargs.get('match'),
bidirectional=kwargs.get('bidirectional'),
logging.exception("RPC error.")
return ex.message
+ # setup the flow metrics measurement
+ def setup_flow(self, vnf_name, vnf_interface, metric, cookie):
+ logging.debug("RPC CALL: setup flow")
+ try:
+ c = self.net.monitor_agent.setup_flow(vnf_name, vnf_interface, metric, cookie)
+ return c
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
+
+ # do prometheus query
+ def prometheus(self, dc_label, vnf_name, vnf_interface, query):
+ logging.debug("RPC CALL: query prometheus")
+ vnf_status = self.net.dcs.get(dc_label).containers.get(vnf_name).getStatus()
+ uuid = vnf_status['id']
+ query = query.replace('<uuid>', uuid)
+ #if needed, replace interface id with emu-intfs name
+ # query = query.replace('<intf>', vnf_interface)
+ logging.info('query: {0}'.format(query))
+ try:
+ c = self.net.monitor_agent.query_Prometheus(query)
+ return c
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
+
class ZeroRpcClient(object):
def __init__(self):
- self.c = zerorpc.Client()
+ self.c = zerorpc.Client(heartbeat=None, timeout=120) #heartbeat=None, timeout=120
self.c.connect("tcp://127.0.0.1:4242") # TODO hard coded for now. we'll change this later
self.cmds = {}
input=args.get("input"),
output=args.get("output"))
- r = self.c.compute_profile(
+ for output in self.c.compute_profile(
args.get("datacenter"),
args.get("name"),
args.get("image"),
params
- )
- pp.pprint(r)
+ ):
+ print(output + '\n')
+
+ #pp.pprint(r)
+ #print(r)
def _create_dict(self, **kwargs):
return kwargs
args.get("metric"))\r
pp.pprint(r)\r
\r
+ def setup_flow(self, args):\r
+ vnf_name = self._parse_vnf_name(args.get("vnf_name"))\r
+ vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))\r
+ r = self.c.setup_flow(\r
+ vnf_name,\r
+ vnf_interface,\r
+ args.get("metric"),\r
+ args.get("cookie"))\r
+ pp.pprint(r)\r
+\r
+ def prometheus(self, args):\r
+ vnf_name = self._parse_vnf_name(args.get("vnf_name"))\r
+ vnf_interface = self._parse_vnf_interface(args.get("vnf_name"))\r
+ r = self.c.prometheus(\r
+ args.get("datacenter"),\r
+ vnf_name,\r
+ vnf_interface,\r
+ args.get("query"))\r
+ pp.pprint(r)\r
+\r
+\r
def _parse_vnf_name(self, vnf_name_str):\r
vnf_name = vnf_name_str.split(':')[0]\r
return vnf_name\r
\r
return vnf_interface\r
\r
-parser = argparse.ArgumentParser(description='son-emu network')\r
+parser = argparse.ArgumentParser(description='son-emu monitor')\r
parser.add_argument(\r
"command",\r
help="Action to be executed")\r
parser.add_argument(\r
"--metric", "-m", dest="metric",\r
help="tx_bytes, rx_bytes, tx_packets, rx_packets")\r
-\r
+parser.add_argument(\r
+ "--cookie", "-c", dest="cookie",\r
+ help="flow cookie to monitor")\r
+parser.add_argument(\r
+ "--query", "-q", dest="query",\r
+ help="prometheus query")\r
+parser.add_argument(\r
+ "--datacenter", "-d", dest="datacenter",\r
+ help="Data center where the vnf is deployed")\r
\r
def main(argv):\r
#print "This is the son-emu monitor CLI."\r
from subprocess import Popen, PIPE\r
import os\r
\r
+import paramiko\r
+import gevent\r
+\r
logging.basicConfig(level=logging.INFO)\r
\r
"""\r
def __init__(self, net):\r
self.net = net\r
# link to Ryu REST_API\r
- self.ip = '0.0.0.0'\r
- self.port = '8080'\r
- self.REST_api = 'http://{0}:{1}'.format(self.ip,self.port)\r
+ ryu_ip = '0.0.0.0'\r
+ ryu_port = '8080'\r
+ self.ryu_REST_api = 'http://{0}:{1}'.format(ryu_ip, ryu_port)\r
+ prometheus_ip = '0.0.0.0'\r
+ prometheus_port = '9090'\r
+ self.prometheus_REST_api = 'http://{0}:{1}'.format(prometheus_ip, prometheus_port)\r
+\r
+\r
\r
# helper variables to calculate the metrics\r
self.pushgateway = 'localhost:9091'\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
- ['vnf_name', 'vnf_interface'], registry=self.registry)\r
+ ['vnf_name', 'vnf_interface', 'flow_id'], registry=self.registry)\r
self.prom_rx_packet_count = Gauge('sonemu_rx_count_packets', 'Total number of packets received',\r
- ['vnf_name', 'vnf_interface'], registry=self.registry)\r
+ ['vnf_name', 'vnf_interface', 'flow_id'], registry=self.registry)\r
self.prom_tx_byte_count = Gauge('sonemu_tx_count_bytes', 'Total number of bytes sent',\r
- ['vnf_name', 'vnf_interface'], registry=self.registry)\r
+ ['vnf_name', 'vnf_interface', 'flow_id'], registry=self.registry)\r
self.prom_rx_byte_count = Gauge('sonemu_rx_count_bytes', 'Total number of bytes received',\r
- ['vnf_name', 'vnf_interface'], registry=self.registry)\r
+ ['vnf_name', 'vnf_interface', 'flow_id'], registry=self.registry)\r
\r
self.prom_metrics={'tx_packets':self.prom_tx_packet_count, 'rx_packets':self.prom_rx_packet_count,\r
'tx_bytes':self.prom_tx_byte_count,'rx_bytes':self.prom_rx_byte_count}\r
}\r
'''\r
self.monitor_lock = threading.Lock()\r
+ self.monitor_flow_lock = threading.Lock()\r
self.network_metrics = []\r
+ self.flow_metrics = []\r
\r
# start monitoring thread\r
self.start_monitoring = True\r
self.monitor_thread = threading.Thread(target=self.get_network_metrics)\r
self.monitor_thread.start()\r
\r
+ self.monitor_flow_thread = threading.Thread(target=self.get_flow_metrics)\r
+ self.monitor_flow_thread.start()\r
+\r
# helper tools\r
self.pushgateway_process = self.start_PushGateway()\r
self.prometheus_process = self.start_Prometheus()\r
self.cadvisor_process = self.start_cadvisor()\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
+\r
+ flow_metric = {}\r
+\r
+ # check if port is specified (vnf:port)\r
+ if vnf_interface is 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
+ flow_metric['vnf_name'] = vnf_name\r
+ flow_metric['vnf_interface'] = vnf_interface\r
+\r
+ vnf_switch = None\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
+ if not vnf_switch:\r
+ logging.exception("vnf switch of {0}:{1} not found!".format(vnf_name, vnf_interface))\r
+ return "vnf switch of {0}:{1} not found!".format(vnf_name, vnf_interface)\r
+\r
+ try:\r
+ # default port direction to monitor\r
+ if metric is None:\r
+ metric = 'tx_packets'\r
+\r
+ next_node = self.net.getNodeByName(vnf_switch)\r
+\r
+ if not isinstance(next_node, OVSSwitch):\r
+ logging.info("vnf: {0} is not connected to switch".format(vnf_name))\r
+ return\r
+\r
+ flow_metric['previous_measurement'] = 0\r
+ flow_metric['previous_monitor_time'] = 0\r
+\r
+ flow_metric['switch_dpid'] = int(str(next_node.dpid), 16)\r
+ flow_metric['metric_key'] = metric\r
+ flow_metric['cookie'] = cookie\r
+\r
+ self.monitor_flow_lock.acquire()\r
+ self.flow_metrics.append(flow_metric)\r
+ self.monitor_flow_lock.release()\r
+\r
+ logging.info('Started monitoring flow:{3} {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric, cookie))\r
+ return 'Started monitoring flow:{3} {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric, cookie)\r
+\r
+ except Exception as ex:\r
+ logging.exception("setup_metric error.")\r
+ return ex.message\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
\r
logging.exception("setup_metric error.")\r
return ex.message\r
\r
- def stop_metric(self, vnf_name, vnf_interface, metric):\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
+ #logging.info('name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames, collector._metrics))\r
"""\r
INFO:root:name:sonemu_rx_count_packets\r
labels:('vnf_name', 'vnf_interface')\r
"""\r
logging.info('{0}'.format(collector._metrics.values()))\r
#if self.prom_metrics[metric_dict['metric_key']]\r
- if (vnf_name, vnf_interface) in collector._metrics:\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)\r
+ collector.remove(vnf_name, vnf_interface, 'None')\r
\r
# set values to NaN, prometheus api currently does not support removal of metrics\r
#self.prom_metrics[metric_dict['metric_key']].labels(vnf_name, vnf_interface).set(float('nan'))\r
logging.info('Stopped monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric))\r
return 'Stopped monitoring: {2} on {0}:{1}'.format(vnf_name, vnf_interface, metric)\r
\r
+ # delete everything from this vnf\r
+ elif metric_dict['vnf_name'] == vnf_name and vnf_interface is None and metric is None:\r
+ self.monitor_lock.acquire()\r
+ self.network_metrics.remove(metric_dict)\r
+ for collector in self.registry._collectors:\r
+ collector_dict = collector._metrics.copy()\r
+ for name, interface, id in collector_dict:\r
+ if name == vnf_name:\r
+ logging.info('3 name:{0} labels:{1} metrics:{2}'.format(collector._name, collector._labelnames,\r
+ collector._metrics))\r
+ collector.remove(name, interface, 'None')\r
+\r
+ delete_from_gateway(self.pushgateway, job='sonemu-SDNcontroller')\r
+ self.monitor_lock.release()\r
+ logging.info('Stopped monitoring vnf: {0}'.format(vnf_name))\r
+ return 'Stopped monitoring: {0}'.format(vnf_name)\r
+\r
\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
+ self.monitor_flow_lock.acquire()\r
+\r
+ for flow_dict in self.flow_metrics:\r
+ data = {}\r
+\r
+ data['cookie'] = flow_dict['cookie']\r
+\r
+ if 'tx' in flow_dict['metric_key']:\r
+ data['match'] = {'in_port':flow_dict['mon_port']}\r
+ elif 'rx' in flow_dict['metric_key']:\r
+ data['out_port'] = flow_dict['mon_port']\r
+\r
+\r
+ # query Ryu\r
+ ret = self.REST_cmd('stats/flow', 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
+ self.set_flow_metric(flow_dict, flow_stat_dict)\r
+\r
+ self.monitor_flow_lock.release()\r
+ time.sleep(1)\r
+\r
def get_network_metrics(self):\r
while self.start_monitoring:\r
\r
\r
# set prometheus metric\r
self.prom_metrics[metric_dict['metric_key']].\\r
- labels({'vnf_name':vnf_name, 'vnf_interface':vnf_interface}).\\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
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
+ #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
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 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
+ vnf_interface = metric_dict['vnf_interface']\r
+ previous_measurement = metric_dict['previous_measurement']\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
+\r
+ flow_uptime = flow_stat['duration_sec'] + flow_stat['duration_nsec'] * 10 ** (-9)\r
\r
- def REST_cmd(self, prefix, dpid):\r
- url = self.REST_api + '/' + str(prefix) + '/' + str(dpid)\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
+\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 REST_cmd(self, prefix, dpid, data=None):\r
+ url = self.ryu_REST_api + '/' + str(prefix) + '/' + str(dpid)\r
+ if data:\r
+ logging.info('POST: {0}'.format(str(data)))\r
+ req = urllib2.Request(url, str(data))\r
+ else:\r
+ req = urllib2.Request(url)\r
+\r
+ ret = urllib2.urlopen(req).read()\r
+ return ret\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
# stop the monitoring thread\r
self.start_monitoring = False\r
self.monitor_thread.join()\r
+ self.monitor_flow_thread.join()\r
\r
if self.prometheus_process is not None:\r
logging.info('stopping prometheus container')\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
# graph of the complete DC network
self.DCNetwork_graph = nx.MultiDiGraph()
+ # initialize pool of vlan tags to setup the SDN paths
+ self.vlans = range(4096)[::-1]
+
# monitoring agent
if monitor:
self.monitor_agent = DCNetworkMonitor(self)
CLI(self)
# to remove chain do setChain( src, dst, cmd='del-flows')
- def setChain(self, vnf_src_name, vnf_dst_name, vnf_src_interface=None, vnf_dst_interface=None, cmd='add-flow',
- weight=None, **kwargs):
+ def setChain(self, vnf_src_name, vnf_dst_name, vnf_src_interface=None, vnf_dst_interface=None, **kwargs):
+ cmd = kwargs.get('cmd')
+ if cmd == 'add-flow':
+ ret = self._chainAddFlow(vnf_src_name, vnf_dst_name, vnf_src_interface, vnf_dst_interface, **kwargs)
+ if kwargs.get('bidirectional'):
+ return ret +'\n' + self._chainAddFlow(vnf_dst_name, vnf_src_name, vnf_dst_interface, vnf_src_interface, **kwargs)
+
+ elif cmd == 'del-flows': # TODO: del-flow to be implemented
+ ret = self._chainAddFlow(vnf_src_name, vnf_dst_name, vnf_src_interface, vnf_dst_interface, **kwargs)
+ if kwargs.get('bidirectional'):
+ return ret + '\n' + self._chainAddFlow(vnf_dst_name, vnf_src_name, vnf_dst_interface, vnf_src_interface, **kwargs)
+
+ else:
+ return "Command unknown"
+
+
+ def _chainAddFlow(self, vnf_src_name, vnf_dst_name, vnf_src_interface=None, vnf_dst_interface=None, **kwargs):
- logging.info('vnf_src_if: {0}'.format(vnf_src_interface))
+ # TODO: this needs to be cleaned up
#check if port is specified (vnf:port)
if vnf_src_interface is None:
# take first interface by default
connected_sw = self.DCNetwork_graph.neighbors(vnf_src_name)[0]
link_dict = self.DCNetwork_graph[vnf_src_name][connected_sw]
vnf_src_interface = link_dict[0]['src_port_id']
- #logging.info('vnf_src_if: {0}'.format(vnf_src_interface))
for connected_sw in self.DCNetwork_graph.neighbors(vnf_src_name):
link_dict = self.DCNetwork_graph[vnf_src_name][connected_sw]
for link in link_dict:
- #logging.info("here1: {0},{1}".format(link_dict[link],vnf_src_interface))
if link_dict[link]['src_port_id'] == vnf_src_interface:
# found the right link and connected switch
- #logging.info("conn_sw: {2},{0},{1}".format(link_dict[link]['src_port_id'], vnf_src_interface, connected_sw))
src_sw = connected_sw
src_sw_inport_nr = link_dict[link]['dst_port_nr']
# get shortest path
- #path = nx.shortest_path(self.DCNetwork_graph, vnf_src_name, vnf_dst_name)
try:
# returns the first found shortest path
# if all shortest paths are wanted, use: all_shortest_paths
- path = nx.shortest_path(self.DCNetwork_graph, src_sw, dst_sw, weight=weight)
+ path = nx.shortest_path(self.DCNetwork_graph, src_sw, dst_sw, weight=kwargs.get('weight'))
except:
logging.info("No path could be found between {0} and {1}".format(vnf_src_name, vnf_dst_name))
return "No path could be found between {0} and {1}".format(vnf_src_name, vnf_dst_name)
logging.info("Path between {0} and {1}: {2}".format(vnf_src_name, vnf_dst_name, path))
- #current_hop = vnf_src_name
current_hop = src_sw
switch_inport_nr = src_sw_inport_nr
+ # choose free vlan if path contains more than 1 switch
+ if len(path) > 1:
+ vlan = self.vlans.pop()
+ else:
+ vlan = None
+
for i in range(0,len(path)):
current_node = self.getNodeByName(current_hop)
+
if path.index(current_hop) < len(path)-1:
next_hop = path[path.index(current_hop)+1]
else:
switch_outport_nr = self.DCNetwork_graph[current_hop][next_hop][index_edge_out]['src_port_nr']
- #logging.info("add flow in switch: {0} in_port: {1} out_port: {2}".format(current_node.name, switch_inport_nr, switch_outport_nr))
- # set of entry via ovs-ofctl
- # TODO use rest API of ryu to set flow entries to correct dpid
- # TODO this only sets port in to out, no match, so this will give trouble when multiple services are deployed...
- # TODO need multiple matches to do this (VLAN tags)
+ # set of entry via ovs-ofctl
if isinstance( current_node, OVSSwitch ):
- cookie = kwargs.get('cookie')
- match_input = kwargs.get('match')
- self._set_flow_entry_dpctl(current_node, switch_inport_nr, switch_outport_nr, match_input, cmd, cookie)
- if kwargs.get('bidirectional'):
- self._set_flow_entry_dpctl(current_node, switch_outport_nr, switch_inport_nr, match_input, cmd, cookie)
- '''
- match = 'in_port=%s' % switch_inport_nr
- #add additional match entries from the argument
- match_input = kwargs.get('match')
- #logging.info('match input:{0}'.format(match_input))
- if match_input:
- s = ','
- match = s.join([match,match_input])
-
- if cmd=='add-flow':
- action = 'action=%s' % switch_outport_nr
- s = ','
- ofcmd = s.join([match,action])
- elif cmd=='del-flows':
- ofcmd = match
- else:
- ofcmd=''
-
- current_node.dpctl(cmd, ofcmd)
- logging.info("add flow in switch: {0} in_port: {1} out_port: {2}".format(current_node.name, switch_inport_nr,
- switch_outport_nr))
- '''
+ kwargs['vlan'] = vlan
+ kwargs['path'] = path
+ kwargs['current_hop'] = current_hop
+ self._set_flow_entry_dpctl(current_node, switch_inport_nr, switch_outport_nr, **kwargs)
+ # TODO set entry via Ryu REST api (in case emulator is running remote...)
+
# take first link between switches by default
if isinstance( next_node, OVSSwitch ):
switch_inport_nr = self.DCNetwork_graph[current_hop][next_hop][0]['dst_port_nr']
current_hop = next_hop
return "path added between {0} and {1}".format(vnf_src_name, vnf_dst_name)
- #return "destination node: {0} not reached".format(vnf_dst_name)
- def _set_flow_entry_dpctl(self, node, switch_inport_nr, switch_outport_nr, match_input, cmd, cookie):
+ def _set_flow_entry_dpctl(self, node, switch_inport_nr, switch_outport_nr, **kwargs):
match = 'in_port=%s' % switch_inport_nr
- # add additional match entries from the argument
- #match_input = kwargs.get('match')
- # logging.info('match input:{0}'.format(match_input))
+
+ cookie = kwargs.get('cookie')
+ match_input = kwargs.get('match')
+ cmd = kwargs.get('cmd')
+ path = kwargs.get('path')
+ current_hop = kwargs.get('current_hop')
+ vlan = kwargs.get('vlan')
+
s = ','
if cookie:
cookie = 'cookie=%s' % cookie
match = s.join([match, match_input])
if cmd == 'add-flow':
action = 'action=%s' % switch_outport_nr
+ if vlan != None:
+ if path.index(current_hop) == 0: # first node
+ action = ('action=mod_vlan_vid:%s' % vlan) + (',output=%s' % switch_outport_nr)
+ match = '-O OpenFlow13 ' + match
+ elif path.index(current_hop) == len(path) - 1: # last node
+ match += ',dl_vlan=%s' % vlan
+ action = 'action=strip_vlan,output=%s' % switch_outport_nr
+ else: # middle nodes
+ match += ',dl_vlan=%s' % vlan
ofcmd = s.join([match, action])
elif cmd == 'del-flows':
ofcmd = match
ofcmd = ''
node.dpctl(cmd, ofcmd)
- logging.info("add flow in switch: {0} in_port: {1} out_port: {2}".format(node.name, switch_inport_nr,
- switch_outport_nr))
+ logging.info("{3} in switch: {0} in_port: {1} out_port: {2}".format(node.name, switch_inport_nr,
+ switch_outport_nr, cmd))
# start Ryu Openflow controller as Remote Controller for the DCNetwork
def startRyu(self):
raise Exception("Container with name %s not found." % name)
LOG.debug("Stopping compute instance %r in data center %r" % (name, str(self)))
+ # stop the monitored metrics
+ if self.net.monitor_agent is not None:
+ self.net.monitor_agent.stop_metric(name)
+
# call resource model and free resources
if self._resource_model is not None:
self._resource_model.free(self.containers[name])
- job_name: 'cAdvisor'
# Override the global default and scrape targets from this job every 5 seconds.
- scrape_interval: 5s
+ scrape_interval: 1s
target_groups:
- targets: ['172.17.0.1:8090']
- job_name: 'PushGateway'
# Override the global default and scrape targets from this job every 5 seconds.
- scrape_interval: 5s
+ scrape_interval: 1s
target_groups:
- targets: ['172.17.0.1:9091']
first prototype)
"""
dc1 = net.addDatacenter("datacenter1")
- #dc2 = net.addDatacenter("datacenter2")
+ dc2 = net.addDatacenter("datacenter2")
#dc3 = net.addDatacenter("long_data_center_name3")
#dc4 = net.addDatacenter(
# "datacenter4",
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
- #net.addLink(dc1, dc2, delay="10ms")
+ net.addLink(dc1, dc2, delay="10ms")
#net.addLink(dc1, dc2)
#net.addLink("datacenter1", s1, delay="20ms")
#net.addLink(s1, dc3)
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
- #zapi1.connectDatacenter(dc2)
+ zapi1.connectDatacenter(dc2)
#zapi1.connectDatacenter(dc3)
#zapi1.connectDatacenter(dc4)
# run API endpoint server (in another thread, don't block)
projects / osm / vim-emu.git / commitdiff