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auto_create_net.py
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import json
import yaml
import sys
import os
import subprocess
import time
with open("datamodel/hooks.json", "r") as read_file:
data=json.load(read_file)
with open("datamodel/user_input.json", "r") as read_file:
data_user=json.load(read_file)
print("data is %s" %(data["namespace_router"][0]["name"]))
loop=len(data["namespace_router"])
print("printing loop")
print(loop)
i=1
ip=data["namespace_router"][0]["infip"]
router="%s" %(data["namespace_router"][0]["name"])
rout=subprocess.Popen(["sudo ip netns show | grep %s" %(data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
op=rout.communicate()
if router not in op[0]:
create_router_ns=subprocess.Popen(["sudo ip netns add %s" %(data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
print("sudo ip netns add %s" %(data["namespace_router"][0]["name"]))
hyp_veth_pair=subprocess.Popen(["sudo ip link add int_pn type veth peer name in_pn"],shell=True, stdout=subprocess.PIPE)
time.sleep(2)
push_veth_ns=subprocess.Popen(["sudo ip link set in_pn netns %s" %(data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
add_ip_hyp=subprocess.Popen(["sudo ip addr add 99.99.99.1/24 dev int_pn"],shell=True, stdout=subprocess.PIPE)
set_link_up_hyp=subprocess.Popen(["sudo ip link set int_pn up"],shell=True, stdout=subprocess.PIPE)
ip_netns=subprocess.Popen(["sudo ip netns exec %s ip addr add 99.99.99.2/24 dev in_pn" %(data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
time.sleep(4)
ip_netns_up=subprocess.Popen(["sudo ip netns exec %s ip link set in_pn up" %(data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
masq=subprocess.Popen(["sudo iptables -t nat -A POSTROUTING -s 99.99.99.0/24 ! -d 99.99.99.0/24 -j MASQUERADE"],shell=True, stdout=subprocess.PIPE)
ip_table_netns=subprocess.Popen(["sudo ip netns exec %s ip route add default via 99.99.99.1" %(data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
for name,value in data_user.items():
print(value)
for list_1 in value:
print("$$$$$$$$$$$$$$$$$$$$$$$$$$$")
print(list_1)
vpc="%s_%d" %(data["namespace_router"][1]["name"],i)
#print("here!!!!!!!!!!!!!!!!!!!1")
#print("sudo ip netns show | grep %s_%d" %(data["namespace_router"][1]["name"],i))
time.sleep(1)
grep=subprocess.Popen(["sudo ip netns show | grep %s_%d" %(data["namespace_router"][1]["name"],i)],shell=True, stdout=subprocess.PIPE)
op=grep.communicate()
print("sudo ip netns show | grep %s_%d" %(data["namespace_router"][1]["name"],i))
print(op)
if vpc not in op[0]:
create_ns=subprocess.Popen(["sudo ip netns add %s_%d" %(data["namespace_router"][1]["name"],i)],shell=True, stdout=subprocess.PIPE)
print("sudo ip netns add %s_%d" %(data["namespace_router"][1]["name"],i))
create_veth_pair=subprocess.Popen(["sudo ip link add %s_%d type veth peer name %s_%d" %(data["namespace_router"][0]["vethpair_name"],i,data["namespace_router"][1]["vethpair_name"],i)],shell=True, stdout=subprocess.PIPE)
print("sudo ip link add %s_%d type veth peer name %s_%d" %(data["namespace_router"][0]["vethpair_name"],i,data["namespace_router"][1]["vethpair_name"],i))
time.sleep(1)
edit_ip=ip.split(".")
set_ip_link_up=subprocess.Popen(["sudo ip link set %s_%d netns %s_%d" %(data["namespace_router"][1]["vethpair_name"],i,data["namespace_router"][1]["name"],i)],shell=True, stdout=subprocess.PIPE)
print("sudo ip link set %s_%d netns %s_%d" %(data["namespace_router"][1]["vethpair_name"],i,data["namespace_router"][1]["name"],i))
set_ip_link_up2=subprocess.Popen(["sudo ip link set %s_%d netns %s" %(data["namespace_router"][0]["vethpair_name"],i,data["namespace_router"][0]["name"])],shell=True, stdout=subprocess.PIPE)
time.sleep(1)
print("sudo ip link set %s_%d netns %s" %(data["namespace_router"][0]["vethpair_name"],i,data["namespace_router"][0]["name"]))
intf_ip1=subprocess.Popen(["sudo ip netns exec %s_%d ip addr add %s.%s.%s.1/24 dev %s_%d" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],i,data["namespace_router"][1]["vethpair_name"],i)],shell=True, stdout=subprocess.PIPE)
print("sudo ip netns exec %s_%d ip addr add %s.%s.%s.1/24 dev %s_%d" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],i,data["namespace_router"][1]["vethpair_name"],i))
time.sleep(1)
intf_ip2=subprocess.Popen(["sudo ip netns exec %s ip addr add %s.%s.%s.2/24 dev %s_%d" %(data["namespace_router"][0]["name"],edit_ip[0],edit_ip[1],i,data["namespace_router"][0]["vethpair_name"],i)],shell=True, stdout=subprocess.PIPE)
print("sudo ip netns exec %s ip addr add %s.%s.%s.2/24 dev %s_%d" %(data["namespace_router"][0]["name"],edit_ip[0],edit_ip[1],i,data["namespace_router"][0]["vethpair_name"],i))
set_up=subprocess.Popen(["sudo ip netns exec %s ip link set %s_%d up" %(data["namespace_router"][0]["name"],data["namespace_router"][0]["vethpair_name"],i)],shell=True, stdout=subprocess.PIPE)
set_up=subprocess.Popen(["sudo ip netns exec %s_%d ip link set %s_%d up" %(data["namespace_router"][1]["name"],i,data["namespace_router"][1]["vethpair_name"],i)],shell=True, stdout=subprocess.PIPE)
masq_vpc=subprocess.Popen(["sudo ip netns exec %s iptables -t nat -A POSTROUTING -s %s.%s.%s.0/24 ! -d %s.%s.%s.0/24 -j MASQUERADE" %(data["namespace_router"][0]["name"],edit_ip[0],edit_ip[1],i,edit_ip[0],edit_ip[1],i)],shell=True, stdout=subprocess.PIPE)
time.sleep(4)
#print("sudo ip netns exec %s_%d ip route add default via %s.%s.%s.2/24" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],i))
add_route_vpc=subprocess.Popen(["sudo ip netns exec %s_%d ip route add default via %s.%s.%s.2" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],i)],shell=True, stdout=subprocess.PIPE)
i+=1
i=1
for name,value in data_user.items():
for list_1 in value:
j=1
for name_2,value_2 in list_1.items():
print("value_2 is ")
print(value_2)
if name_2 == "routes":
print(name_2)
for list_2 in value_2:
for name_3,value_3 in list_2.items():
print(name_3)
if name_3 == "vpcs_subnet":
print(name_3)
subnet="%s_%d_%d" %(data["namespace_router"][2]["name"],i,j)
grep=subprocess.Popen(["sudo ip netns show | grep %s_%d_%d" %(data["namespace_router"][2]["name"],i,j)],shell=True, stdout=subprocess.PIPE)
op=grep.communicate()
print(op)
if subnet not in op[0]:
subnet_router=subprocess.Popen(["sudo ip netns add %s_%d_%d" %(data["namespace_router"][2]["name"],i,j)],shell=True, stdout=subprocess.PIPE)
create_veth_pair_3=subprocess.Popen(["sudo ip link add %s_%d_%d type veth peer name %s_%d_%d" %(data["namespace_router"][1]["vethpair_connect_subrouter"],i,j,data["namespace_router"][2]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
time.sleep(1)
edit_ip=data["namespace_router"][2]["subrouip"].split(".")
set_ip_link_up=subprocess.Popen(["sudo ip link set %s_%d_%d netns %s_%d_%d" %(data["namespace_router"][2]["vethpair_connect_subrouter"],i,j,data["namespace_router"][2]["name"],i,j)],shell=True, stdout=subprocess.PIPE)
set_ip_link_up2=subprocess.Popen(["sudo ip link set %s_%d_%d netns %s_%d" %(data["namespace_router"][1]["vethpair_connect_subrouter"],i,j,data["namespace_router"][1]["name"],i)],shell=True, stdout=subprocess.PIPE)
time.sleep(1)
intf_ip1=subprocess.Popen(["sudo ip netns exec %s_%d_%d ip addr add %s.%s.%s.1/24 dev %s_%d_%d" %(data["namespace_router"][2]["name"],i,j,edit_ip[0],edit_ip[1],j,data["namespace_router"][2]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
time.sleep(1)
intf_ip2=subprocess.Popen(["sudo ip netns exec %s_%d ip addr add %s.%s.%s.2/24 dev %s_%d_%d" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],j,data["namespace_router"][1]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
set_up=subprocess.Popen(["sudo ip netns exec %s_%d ip link set %s_%d_%d up" %(data["namespace_router"][1]["name"],i,data["namespace_router"][1]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
set_up=subprocess.Popen(["sudo ip netns exec %s_%d_%d ip link set %s_%d_%d up" %(data["namespace_router"][2]["name"],i,j,data["namespace_router"][2]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
time.sleep(4)
masq_vpc=subprocess.Popen(["sudo ip netns exec %s_%d iptables -t nat -A POSTROUTING -s %s.%s.%s.0/24 ! -d %s.%s.%s.0/24 -j MASQUERADE" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],j,edit_ip[0],edit_ip[1],j)],shell=True, stdout=subprocess.PIPE)
#print("sudo ip netns exec %s_%d_%d ip route add default via %s.%s.%s.2/24" %(data["namespace_router"][2]["name"],i,j,edit_ip[0],edit_ip[1],j))
add_route_vpc=subprocess.Popen(["sudo ip netns exec %s_%d_%d ip route add default via %s.%s.%s.2" %(data["namespace_router"][2]["name"],i,j,edit_ip[0],edit_ip[1],j)],shell=True, stdout=subprocess.PIPE)
j+=1
i+=1
print("here!!!!!!!!!!!!!")
i=1
additional_net={}
for name,value in data_user.items():
for list_1 in value:
j=1
for name_2,value_2 in list_1.items():
#print("value_2 is ")
#print(value_2)
if name_2 == "routes":
#print(name_2)
for list_2 in value_2:
k=1
for name_3,value_3 in list_2.items():
#print(name_3)
if name_3 == "vpcs_subnet":
#print(name_3)
#print("%%%%")
for list_3 in value_3:
subnet="%s_%d_%d" %(data["namespace_router"][2]["name"],i,j)
grep=subprocess.Popen(["sudo ip addr | grep %s_%d_%d_%d" %(data["namespace_router"][3]["vethpair_connect_bridge"],i,j,k)],shell=True, stdout=subprocess.PIPE)
op=grep.communicate()
if("%s_%d_%d_%d" %(data["namespace_router"][3]["vethpair_connect_bridge"],i,j,k) not in op[0]):
#print(value_3)
#for name_4,value_4 in list_3.items():
#print(name_4,value_4)
print("sudo ip link add %s_%d_%d_%d type veth peer name %s_%d_%d_%d" %(data["namespace_router"][3]["vethpair_connect_bridge"],i,j,k,data["namespace_router"][2]["vethpair_connect_bridge"],i,j,k))
create_veth_pair_4=subprocess.Popen(["sudo ip link add %s_%d_%d_%d type veth peer name %s_%d_%d_%d" %(data["namespace_router"][3]["vethpair_connect_bridge"],i,j,k,data["namespace_router"][2]["vethpair_connect_bridge"],i,j,k)],shell=True, stdout=subprocess.PIPE)
time.sleep(1)
#mask=value_4.split("/")
#ip=mask[0]
#mask=mask[1]
edit_ip_start=list_3["subnet_start"].split(".")
edit_ip_end=list_3["subnet_end"].split(".")
set_ip_link_up=subprocess.Popen(["sudo ip link set %s_%d_%d_%d netns %s_%d_%d" %(data["namespace_router"][2]["vethpair_connect_bridge"],i,j,k,data["namespace_router"][2]["name"],i,j)],shell=True, stdout=subprocess.PIPE)
intf_ip1=subprocess.Popen(["sudo ip netns exec %s_%d_%d ip addr add %s/24 dev %s_%d_%d_%d" %(data["namespace_router"][2]["name"],i,j,list_3["subnet_start"],data["namespace_router"][2]["vethpair_connect_bridge"],i,j,k)],shell=True, stdout=subprocess.PIPE)
time.sleep(4)
#intf_ip2=subprocess.Popen(["sudo ip netns exec %s_%d ip addr add %s.%s.%s.2/24 dev %s_%d_%d" %(data["namespace_router"][1]["name"],i,edit_ip[0],edit_ip[1],j,data["namespace_router"][1]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
set_up=subprocess.Popen(["sudo ip netns exec %s_%d_%d ip link set %s_%d_%d_%d up" %(data["namespace_router"][2]["name"],i,j,data["namespace_router"][2]["vethpair_connect_bridge"],i,j,k)],shell=True, stdout=subprocess.PIPE)
masq_vpc=subprocess.Popen(["sudo ip netns exec %s_%d_%d iptables -t nat -A POSTROUTING -o %s_%d_%d -j MASQUERADE" %(data["namespace_router"][2]["name"],i,j,data["namespace_router"][2]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
#set_up=subprocess.Popen(["sudo ip netns exec %s_%d_%d ip link set %s_%d_%d up" %(data["namespace_router"][2]["name"],i,j,data["namespace_router"][2]["vethpair_connect_subrouter"],i,j)],shell=True, stdout=subprocess.PIPE)
edit_ip_start=list_3["subnet_start"].split(".")
edit_ip_end=list_3["subnet_end"].split(".")
network=list_3["name"]
additional_net["name"]=list_3["name"]
additional_net["forwardMode"]="route"
additional_net["iprange"]=list_3["subnet_start"]
additional_net["bridgename"]="bridge_%s_%s_%s" %(i,j,k)
additional_net["isOvs"]="Ovs"
additional_net["already_present"]="False"
additional_net["netMac"]="null"
additional_net["namespace"]="%s_%s_%s" %(data["namespace_router"][2]["name"],i,j)
additional_net["dhcp_range"]="%s.%s.%s.%s,%s,12h" %(edit_ip_start[0],edit_ip_start[1],edit_ip_start[2],(int(edit_ip_start[3])+1),list_3["subnet_end"])
additional_net["subnet_address"]="%s/24" %(list_3["subnet_start"])
additional_net["interface"]="%s_%s_%s_%s" %(data["namespace_router"][3]["vethpair_connect_bridge"],i,j,k)
additional_net["interface2"]="%s_%s_%s_%s" %(data["namespace_router"][2]["vethpair_connect_bridge"],i,j,k)
flag=False
with open('ansible/vars/net_details.yml','r') as yaml_load:
data1=yaml.load(yaml_load, Loader=yaml.FullLoader)
if(data1["Networks"]):
print(network)
print(data1["Networks"])
for check in data1["Networks"]:
print(check)
print("_____________________________________________________________")
if(check["name"]==network):
data1["Networks"][data1["Networks"].index(check)]["already_present"]="True"
flag=True
if not flag:
data1["Networks"].append(additional_net)
else:
data1["Networks"]=[]
data1["Networks"].append(additional_net)
print(data1)
with open('ansible/vars/net_details.yml','w') as yaml_load:
yaml.safe_dump(data1,yaml_load)
k+=1
j+=1
i+=1
trigger_ansible=subprocess.Popen(["sudo ansible-playbook ansible/tasks/create_ovs_infra.yml"],shell=True, stdout=subprocess.PIPE)
op=trigger_ansible.communicate()
print(op)
trigger_ansible=subprocess.Popen(["sudo ansible-playbook ansible/tasks/create_network.yml"],shell=True, stdout=subprocess.PIPE)
op=trigger_ansible.communicate()
print(op)
i=1
additional_net={}
for name,value in data_user.items():
for list_1 in value:
j=1
for name_2,value_2 in list_1.items():
#print("value_2 is ")
#print(value_2)
if name_2 == "routes":
#print(name_2)
for list_2 in value_2:
k=1
for name_3,value_3 in list_2.items():
#print(name_3)
if name_3 == "vpcs_vm":
#print(name_3)
#print("%%%%")
for list_3 in value_3:
#print(value_3)
print(list_3)
addition={}
addition["vmName"]=list_3["vmName"]
addition["ram"]=list_3["ram"]
addition["cpus"]=list_3["cpus"]
addition["mem"]=list_3["mem"]
#addition["mac"]=list_3["mac"]
addition["numOfNet"]=list_3["numOfNet"]
addition["netName"]=list_3["netName"]
#addition["netMac"]=list_3["netMac"]
addition["pci"]=list_3["pci"]
addition["already_present"]="False"
addition["packages"]=list_3["packages"]
isOvs="Ovs"
interf="network"
netmac="null"
for i in range(int(list_3["numOfNet"])-1):
isOvs+=",Ovs"
interf+=",network"
netmac+=",null"
addition["netMac"]=netmac
addition["mac"]="null"
addition["isOvs"]=isOvs
addition["img"]="false"
addition["pwd"]=list_3["pwd"]
addition["interface"]=interf
vmName=list_3["vmName"]
flag=False
with open('ansible/vars/VM_details.yml','r') as yaml_load:
data1=yaml.load(yaml_load, Loader=yaml.FullLoader)
print(data1)
print("!!!!!")
if(data1["guests"]):
print(vmName)
print(data1["guests"])
for check in data1["guests"]:
print(check)
print("_____________________________________________________________")
if(check["vmName"]==vmName):
data1["guests"][data1["guests"].index(check)]["already_present"]="True"
flag=True
if not flag:
data1["guests"].append(addition)
else:
data1["guests"]=[]
data1["guests"].append(addition)
print(data1)
with open('ansible/vars/VM_details.yml','w') as yaml_load:
yaml.safe_dump(data1,yaml_load)
k+=1
j+=1
i+=1
trigger_ansible=subprocess.Popen(["sudo ansible-playbook ansible/tasks/createVM.yml -vv"],shell=True, stdout=subprocess.PIPE)
op=trigger_ansible.communicate()
print(op)
i=1
additional_net={}
for name,value in data_user.items():
for list_1 in value:
j=1
for name_2,value_2 in list_1.items():
#print("value_2 is ")
#print(value_2)
if name_2 == "routes":
#print(name_2)
for list_2 in value_2:
k=1
for name_3,value_3 in list_2.items():
#print(name_3)
if name_3 == "vpcs_vm":
#print(name_3)
#print("%%%%")
for list_3 in value_3:
k+=1
j+=1
i+=1