func (n *Network) Init(iface *net.Interface, iaddr net.IP, eaddr net.IP) *backend.SubnetDef {
var be backend.Backend
var sn *backend.SubnetDef
steps := []func() error{
func() (err error) {
n.Config, err = n.sm.GetNetworkConfig(n.ctx, n.Name)
if err != nil {
log.Error("Failed to retrieve network config: ", err)
}
return
},
func() (err error) {
be, err = newBackend(n.sm, n.Config.BackendType, iface, iaddr, eaddr)
if err != nil {
log.Errorf("Failed to create and initialize network %v (type %v): %v", n.Name, n.Config.BackendType, err)
} else {
n.be = be
}
return
},
func() (err error) {
sn, err = be.RegisterNetwork(n.ctx, n.Name, n.Config)
if err != nil {
log.Errorf("Failed register network %v (type %v): %v", n.Name, n.Config.BackendType, err)
} else {
n.lease = sn.Lease
}
return
},
func() (err error) {
if n.ipMasq {
flannelNet := n.Config.Network
if err = setupIPMasq(flannelNet); err != nil {
log.Errorf("Failed to set up IP Masquerade for network %v: %v", n.Name, err)
}
}
return
},
}
for _, s := range steps {
for {
if err := s(); err == nil {
break
}
select {
case <-time.After(time.Second):
case <-n.ctx.Done():
return nil
}
}
}
return sn
}
