// AllocSubnet allocates a new subnet. Returns a CIDR.
func (gc *Cfg) AllocSubnet(ra core.ResourceManager) (string, error) {
pair, err := ra.AllocateResourceVal(gc.Tenant, resources.AutoSubnetResource)
if err != nil {
return "", err
}
return pair.(resources.SubnetIPLenPair).IP.String(), err
}
// AllocVLAN allocates a new VLAN resource. Returns an ID.
func (gc *Cfg) AllocVLAN(ra core.ResourceManager) (uint, error) {
vlan, err := ra.AllocateResourceVal(gc.Tenant, resources.AutoVLANResource)
if err != nil {
log.Errorf("alloc vlan failed: %q", err)
return 0, err
}
return vlan.(uint), err
}
// AllocVXLAN allocates a new vxlan; ids for both the vxlan and vlan are returned.
func (gc *Cfg) AllocVXLAN(ra core.ResourceManager) (vxlan uint,
localVLAN uint, err error) {
pair, err1 := ra.AllocateResourceVal(gc.Tenant, resources.AutoVXLANResource)
if err1 != nil {
return 0, 0, err1
}
g := &Oper{}
g.StateDriver = gc.StateDriver
err = g.Read(gc.Tenant)
if err != nil {
return 0, 0, err
}
vxlan = pair.(resources.VXLANVLANPair).VXLAN + g.FreeVXLANsStart
localVLAN = pair.(resources.VXLANVLANPair).VLAN
return
}