set40g.py

from g8core import client

hosts = {
    "10.101.200.1": "10.120.0.1",
    "10.101.200.2": "10.120.0.2",
    "10.101.200.3": "10.120.0.3",
    "10.101.200.4": "10.120.0.4"
}

for host in hosts.keys():
    # host = "10.101.200.4"
    intf = "enp4s0"

    print("Connecting: %s" % host)
    cl = client.Client(host)
    cl.ping()

    print("Starting 40G network: %s" % hosts[host])

    test = cl.system("ip l show dev enp4s0").get()

    if test.stderr != "":
        intf = "eth0"

    cl.system("ip l set dev %s mtu 9000" % intf).get()
    cl.system("ip l add link %s name %s.1234 type vlan id 1234" % (intf, intf)).get()
    cl.system("ip a add %s/24 dev %s.1234" % (hosts[host], intf)).get()
    cl.system("ip l set dev %s up" % intf).get()
    cl.system("ip l set dev %s.1234 up" % intf).get()