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)