get_free_ip

gistfile1.txt

def get_my_reservations(tid):
    reservations = j.sal.zosv2.reservation_list(tid=130,next_action="DEPLOY")
    #do some checks
    return reservations

def get_free_ip(reservations,node,networkname):
    # find netork reservation
    # find all IPs 

    ips=[]
    for reservation in sorted(reservations, key=lambda r: r.id, reverse=True):
        if reservation.next_action != "DEPLOY":
            continue
        rnetworks = reservation.data_reservation.networks
        for network in rnetworks:
            if  network.name == networkname:
                for netres in network.network_resources:
                    if netres.node_id == node:
                        iprange = netres.iprange

        rcontainer = reservation.data_reservation.containers
        for container in rcontainer:
            if container.node_id == node:
                for netcon in container.network_connection:
                    if netcon.network_id == networkname:
                        ips.append(netcon.ipaddress)

        rkubernetes = reservation.data_reservation.kubernetes
        for kubernetes in rkubernetes:
            if kubernetes.node_id == node:
                ips.append(kubernetes.ipaddress)

    # asuming /24
    nodenet = iprange[0:-4]
    #search first free IP
    i=1
    while i<254:
        i+=1
        fip = nodenet+str(i)
        if fip not in ips:
            break
    return fip

tid = me.id
overlay_network_name="Net-17-vie"
myres = get_my_reservations(tid)
node_id="DAENgzAf2WSQzYtBwDxQ8ZwYdhkzLhekHx5B2PYrMMn9"
ip_address = get_free_ip(myres,node_id,overlay_network_name)