def qosSetup():
baseUrl = 'http://0.0.0.0:8080'
datapath = '0000000000000001'
api = ApiService(baseUrl)
# Put db address
ovsdbEndpoint = '/v1.0/conf/switches/' + datapath + '/ovsdb_addr'
ovsdbData = "tcp:127.0.0.1:6632"
api.put(ovsdbEndpoint, ovsdbData)
sleep(2)
# Post Queue
queueEndpoint = '/qos/queue/' + datapath
queueData = {
"port_name":
"s1-eth1",
"type":
"linux-htb",
"max_rate":
"1000000",
"queues": [{
"max_rate": "100000"
}, {
"max_rate": "500000"
}, {
"min_rate": "800000"
}]
}
api.post(queueEndpoint, queueData)
# Post Qos Rule
ruleEndpoint = '/qos/rules/' + datapath
#ruleData = {"match": {"ip_dscp": "26"},
# "actions": {"queue": "1"}}
ruleData1 = {
"match": {
"nw_dst": "10.0.0.1",
"nw_proto": "UDP",
"tp_dst": "5001"
},
"actions": {
"queue": "0"
}
}
ruleData2 = {
"match": {
"nw_dst": "10.0.0.1",
"nw_proto": "UDP",
"tp_dst": "5002"
},
"actions": {
"queue": "1"
}
}
api.post(ruleEndpoint, ruleData1)
api.post(ruleEndpoint, ruleData2)
class Simulation:
SIMULATION_TIME = 5
QOS_RULES = '/qos/rules/'
QOS_QUEUES = '/qos/queues/'
OVSDB_CONF = '/v1.0/conf/switches/'
OVSDB_SERVER = "tcp:172.18.0.10:6632"
def __init__(self, controllerIp, controllerPort):
self.controllerUrl = self.controller_query(controllerIp,
controllerPort)
self.api = ApiService(self.controllerUrl)
def switch_query(self, switch):
'''
switch datapath creator
'''
datapath = '000000000000000' + str(switch)
return datapath
def controller_query(self, ip, port):
controllerUrl = 'http://' + ip + ':' + port
return controllerUrl
def conf_ovsdb_ovs(self, switches):
i = 1
for switch in switches:
s = 's' + str(i)
loggerService.info('*** Configurando OpenFlow13 en ' + s)
switch.cmd('ovs-vsctl set Bridge ' + s + ' protocols=OpenFlow13')
loggerService.info('*** Configurando OVSDB port')
switch.cmd('ovs-vsctl set-manager ptcp:6632')
i = i + 1
def deleteQoS(self, switches):
loggerService.info('*** Borrando QoS rules y queues...')
for switch in switches:
switch.cmdPrint('ovs-vsctl --all destroy QoS')
switch.cmdPrint('ovs-vsctl --all destroy queue')
# Tagging de campo Type of Service con DSCP
def dscp_mark(self, switch):
datapath = self.switch_query(switch)
api = self.api
# Reglas DSCP
endpoint = self.QOS_RULES + datapath
rules = [{
"match": {
"nw_dst": "10.0.0.1",
"nw_proto": "UDP",
"tp_dst": "5001"
},
"actions": {
"mark": "26"
}
}, {
"match": {
"nw_dst": "10.0.0.1",
"nw_proto": "UDP",
"tp_dst": "5002"
},
"actions": {
"mark": "10"
}
}, {
"match": {
"nw_dst": "10.0.0.1",
"nw_proto": "UDP",
"tp_dst": "5003"
},
"actions": {
"mark": "12"
}
}]
# Queries API
for rule in rules:
api.post(endpoint, rule)
# iperfTest simulate best effort traffic between hosts
def iperfTest(self, hosts, testPorts, time):
loggerService.debug("Inicializar simulacion de trafico con IPerf")
server = hosts[0]
client = hosts[1]
for port in testPorts:
#iperf Server
server.cmdPrint('iperf -s -u -p ' + str(port) + ' -i 1 > results' +
str(port) + ' &')
for port in testPorts:
#iperf Client
client.cmdPrint('iperf -c ' + server.IP() + ' -u -t ' + str(time) +
' -i 1 -p ' + str(port) + ' -b 1M &')
sleep(self.SIMULATION_TIME)
client.cmdPrint('killall -9 iperf')
server.cmdPrint('killall -9 iperf')
def pingAll(self, net):
loggerService.debug("Comenzamos pingall ")
net.pingAll()
def qosSetup(self, test, switch):
'''
Configurar qos queues en switches
'''
datapath = self.switch_query(switch)
endpoint = self.OVSDB_CONF + datapath + '/ovsdb_addr'
self.api.put(endpoint, self.OVSDB_SERVER)
sleep(2)
# Post Queue
if test == 1:
queueEndpoint = '/qos/queue/' + datapath
queueData = {
"port_name":
"s" + str(switch) + "-eth1",
"type":
"linux-htb",
"max_rate":
"1000000",
"queues": [{
"max_rate": "100000"
}, {
"max_rate": "200000"
}, {
"max_rate": "300000"
}, {
"min_rate": "800000"
}]
}
self.api.post(queueEndpoint, queueData)
else:
queueEndpoint = '/qos/queue/' + datapath
queueData = {
"port_name":
"s" + str(switch) + "-eth1",
"type":
"linux-htb",
"max_rate":
"1000000",
"queues": [{
"max_rate": "200000"
}, {
"max_rate": "300000"
}, {
"max_rate": "100000"
}, {
"min_rate": "800000"
}]
}
self.api.post(queueEndpoint, queueData)
endpoint = self.QOS_RULES + datapath
rules = [{
"match": {
"ip_dscp": "26"
},
"actions": {
"queue": "0"
}
}, {
"match": {
"ip_dscp": "10"
},
"actions": {
"queue": "1"
}
}, {
"match": {
"ip_dscp": "12"
},
"actions": {
"queue": "2"
}
}]
for rule in rules:
try:
self.api.post(endpoint, rule)
except Exception as e:
loggerService.error(
'Error configurando reglas qos en controlador')
