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import yaml
import pprint
import socket
import fcntl
import struct
import os
import getpass
def get_ip_address(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(
s.fileno(),
0x8915, # SIOCGIFADDR
struct.pack('256s', ifname[:15])
)[20:24])
with open('labconfig.yaml', 'r') as labf:
labcfg = yaml.load(labf)
with open('deployment.yaml', 'r') as opnfvf:
opnfvcfg = yaml.load(opnfvf)
def setInDict(dataDict, mapList, value):
getFromDict(dataDict, mapList[:-1])[mapList[-1]] = value
def getFromDict(dataDict, mapList):
return reduce(lambda d, k: d[k], mapList, dataDict)
if len(labcfg["labconfig"]["nodes"]) < 3:
print("minimum three nodes are needed for opnfv architecture deployment")
exit()
# lets modify the maas general settings:
updns = getFromDict(labcfg, ["labconfig","labsettings","upstream_dns"])
setInDict(opnfvcfg, ["demo-maas", "maas", "settings", "upstream_dns"], updns)
value = getFromDict(labcfg, ["labconfig","lab_location"])
setInDict(opnfvcfg, ["demo-maas", "maas", "settings", "maas_name"], value)
setInDict(opnfvcfg, ["demo-maas", "maas", "name"], "opnfv-"+value)
#lets figure out the interfaces data
ethbrAdm=""
ethbrAdmin=""
c=0
y=0
z=0
while c < len(labcfg["labconfig"]["bridges"]):
brtype = getFromDict(labcfg, ["labconfig","bridges",c,"type"])
brname = getFromDict(labcfg, ["labconfig","bridges",c,"bridge"])
brcidr = getFromDict(labcfg, ["labconfig","bridges",c,"cidr"])
if brtype == "admin":
ethbrAdmin = getFromDict(labcfg, ["labconfig","bridges",c,"bridge"])
brgway = getFromDict(labcfg, ["labconfig","bridges",c,"gateway"])
tmpcidr = brcidr[:-4]
setInDict(opnfvcfg, ["demo-maas", "maas", "ip_address"], tmpcidr+"5")
opnfvcfg["demo-maas"]["maas"]["interfaces"][y] = "bridge="+brname+",model=virtio"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["device"] = "eth"+str(y)
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["ip"] = tmpcidr+"5"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["subnet_mask"] = "255.255.255.0"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["broadcast_ip"] = tmpcidr+"255"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["router_ip"] = brgway
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["static_range"]["low"] = tmpcidr+"50"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["static_range"]["high"] = tmpcidr+"80"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["dynamic_range"]["low"] = tmpcidr+"81"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["dynamic_range"]["high"] = tmpcidr+"250"
opnfvcfg["demo-maas"]["juju-bootstrap"]["interfaces"][z] = "bridge="+brname+",model=virtio"
ethbrAdm = ('auto lo\n'
' iface lo inet loopback\n\n'
'auto eth'+str(y)+'\n'
' iface eth'+str(y)+' inet static\n'
' address '+tmpcidr+'5\n'
' netmask 255.255.255.0\n'
' gateway '+brgway+'\n'
' dns-nameservers '+updns+' '+tmpcidr+'5 127.0.0.1\n')
z=z+1
y=y+1
elif brtype:
opnfvcfg["demo-maas"]["maas"]["interfaces"].append("bridge="+brname+",model=virtio")
brgway = getFromDict(labcfg, ["labconfig","bridges",c,"gateway"])
if brtype != "external":
tmpcidr = brcidr[:-4]
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["device"] = "eth"+str(y)
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["ip"] = tmpcidr+"5"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["subnet_mask"] = "255.255.255.0"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["broadcast_ip"] = tmpcidr+"255"
if brgway:
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["router_ip"] = brgway
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["management"] = 1
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["static_range"]["low"] = tmpcidr+"20"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["static_range"]["high"] = tmpcidr+"150"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["dynamic_range"]["low"] = tmpcidr+"151"
opnfvcfg["demo-maas"]["maas"]["node_group_ifaces"][y]["dynamic_range"]["high"] = tmpcidr+"200"
ethbrAdm = (ethbrAdm+'\n'
'auto eth'+str(y)+'\n'
' iface eth'+str(y)+' inet static\n'
' address '+tmpcidr+'5\n'
' netmask 255.255.255.0\n')
if brtype == "public":
opnfvcfg["demo-maas"]["juju-bootstrap"]["interfaces"].append("bridge="+brname+",model=virtio")
z=z+1
if brtype == "external":
ipaddress = getFromDict(labcfg, ["labconfig","bridges",c,"ipaddress"])
ethbrAdm = (ethbrAdm+'\n'
'auto eth'+str(y)+'\n'
' iface eth'+str(y)+' inet static\n'
' address '+ipaddress+'\n'
' netmask 255.255.255.0\n')
opnfvcfg["demo-maas"]["juju-bootstrap"]["interfaces"].append("bridge="+brname+",model=virtio")
z=z+1
y=y+1
c=c+1
setInDict(opnfvcfg, ["demo-maas", "maas", "network_config"], ethbrAdm)
# lets modify the maas general settings:
value = get_ip_address(ethbrAdmin)
value = "qemu+ssh://"+getpass.getuser()+"@"+value+"/system"
setInDict(opnfvcfg, ["demo-maas", "maas", "virsh", "uri"], value)
#lets insert the node details here:
c=0
while c < len(labcfg["labconfig"]["nodes"]):
# setup value of name and tags accordigly
value = getFromDict(labcfg, ["labconfig","nodes",c, "type"])
namevalue = "node" + str(c+1) + "-" + value
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["name"] = namevalue
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["tags"] = value
# setup value of architecture
value = getFromDict(labcfg, ["labconfig","nodes",c, "architecture"])
if value == "x86_64":
value="amd64/generic"
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["architecture"] = value
# setup mac_addresses
value = getFromDict(labcfg, ["labconfig","nodes",c, "pxe_mac_address"])
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["mac_addresses"] = value
value = getFromDict(labcfg, ["labconfig","nodes",c, "power", "type"])
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["power"]["type"] = value
if value == "wakeonlan":
value = getFromDict(labcfg, ["labconfig","nodes",c, "power", "mac_address"])
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["power"]["mac_address"] = value
if value == "ipmi":
value = getFromDict(labcfg, ["labconfig","nodes",c, "power", "address"])
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["power"]["address"] = value
value = getFromDict(labcfg, ["labconfig","nodes",c, "power", "user"])
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["power"]["user"] = value
value = getFromDict(labcfg, ["labconfig","nodes",c, "power", "pass"])
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["power"]["pass"] = value
opnfvcfg["demo-maas"]["maas"]["nodes"][c]["power"]["driver"] = "LAN_2_0"
c=c+1
with open('deployment.yaml', 'w') as opnfvf:
yaml.dump(opnfvcfg, opnfvf, default_flow_style=False)
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