def __init__(self):
self.auth = HTTPBasicAuth('admin','admin')
# API para adicionar fluxos
self.API = 'http://{node}:8181/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/flow/{{id}}'
self.master_index = int(getOwner())
self.master = "172.28.1.%s" % self.master_index
self.API = self.API.format(node=self.master)
self.generator = MacGenerator()
self.headers = {'Accept': 'application/json', 'Content-Type': 'application/json'}
self.flow = {
"flow": [
{
"id": "5",
"cookie": 38,
"instructions": {
"instruction": [
{
"order": 0,
"apply-actions": {
"action": [
{
"order": 0,
"drop-action": { }
}
]
}
}
]
},
"hard-timeout": 65000,
"match": {
"ethernet-match": {
"ethernet-type": {
"type": 2048
},
"ethernet-source": {
"address" : "fake"
}
},
"ipv4-destination": "10.0.0.38/32"
},
"flow-name": "TestFlow-1",
"strict": False,
"cookie_mask": 4294967295,
"priority": 2,
"table_id": 0,
"idle-timeout": 65000,
"installHw": False
}]}
def __init__(self,generator):
self.auth = HTTPBasicAuth('admin','admin')
# API para adicionar fluxos
self.API = 'http://{node}:8181/restconf/config/opendaylight-inventory:nodes/node/openflow:1/table/0/flow/{{id}}'
self.API = self.API.format(node=getOwner())
self.generator = generator
self.headers = {'Accept': 'application/json', 'Content-Type': 'application/json'}
self.session = requests.Session()
def getTableFlow(self,size):
next_index = ((self.master_index+1)%size)+1
new_master_index = getOwner(next_index)
new_master = "172.28.1.%s" % new_master_index
print("MASTER: {master}".format(master=new_master))
D_API="http://{node}:8181".format(node=new_master)
FLOW_TABLE_REQUEST="/restconf/operational/opendaylight-inventory:nodes/node/openflow:1/table/0/"
result = requests.get(D_API+FLOW_TABLE_REQUEST,auth=self.auth,headers=self.headers)
print("######### Flow table of Openflow:1 #############")
print(result.json())
def emptyNet(n_control=3):
switch = partial(OVSSwitch, protocols='OpenFlow13')
link = partial(TCLink, bw=100)
topo = LinearTopo(k=1, n=2)
net = Mininet(controller=RemoteController,
switch=switch,
link=link,
topo=topo,
build=False,
autoSetMacs=True)
controllers = []
for i in range(n_control):
posfix = i + 1
ip_address = "172.28.1.%d" % posfix
controllers.append(
net.addController('c%s' % i,
controller=RemoteController,
ip=ip_address,
port=6633))
net.build()
net.start()
# Aguarda até que haja estabilidade dos controladores após conexão dos switches
time.sleep(5 * n_control)
# Cria objeto de comunicação com API REST
# flows = Flows()
# Envia fluxo para a API
# flows.singleFlow()
master = getOwner()
h1 = net.getNodeByName("h1s1")
t = Thread(target=host_send, args=[
h1,
])
t.start()
# Tempo necessário para instalação de regras no ONOS
time.sleep(10)
# print("######### OVS-OFCTL dump before crash ###########")
# print(os.popen("ovs-ofctl dump-flows -O openflow13 s1").read())
# print("######### OVS-VSCTL lista controladores before crash #########")
# print(os.popen("ovs-vsctl list controller").read())
# Bloqueia conexões com iptables
# os.system("iptables -A INPUT -s 172.17.0.5 -j DROP")
# os.system("iptables -A OUTPUT -d 172.17.0.5 -j DROP")
# Mata o container docker
print(os.popen("docker kill --signal=9 odl-%s" % master).read())
t.join()
# Tempo maximo para alcancar sincronia
time.sleep(10)
# print("######### OVS-OFCTL dump after crash ###########")
# print(os.popen("ovs-ofctl dump-flows -O openflow13 s1").read())
print("######### OVS-VSCTL lista controladores after crash #########")
print(os.popen("ovs-vsctl list controller").read())
# flows.getTableFlow(n_control)
# time.sleep(1)
# CLI(net)
net.stop()