Revision e25047aa2e0c03e33a88aca81f4ef8371671e76d authored by Marco Iorio on 13 June 2024, 12:56:24 UTC, committed by André Martins on 17 June 2024, 08:28:59 UTC
Fixes: 811cb7f0273e ("make: Add include to Makefile.override within binary-specific makefiles") Signed-off-by: Marco Iorio <marco.iorio@isovalent.com>
1 parent 0b29687
hostscope.go
// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Cilium
package ipam
import (
"fmt"
"math/big"
"net"
"github.com/cilium/cilium/pkg/ip"
"github.com/cilium/cilium/pkg/ipam/service/ipallocator"
)
type hostScopeAllocator struct {
allocCIDR *net.IPNet
allocator *ipallocator.Range
}
func newHostScopeAllocator(n *net.IPNet) Allocator {
return &hostScopeAllocator{
allocCIDR: n,
allocator: ipallocator.NewCIDRRange(n),
}
}
func (h *hostScopeAllocator) Allocate(ip net.IP, owner string, pool Pool) (*AllocationResult, error) {
if err := h.allocator.Allocate(ip); err != nil {
return nil, err
}
return &AllocationResult{IP: ip}, nil
}
func (h *hostScopeAllocator) AllocateWithoutSyncUpstream(ip net.IP, owner string, pool Pool) (*AllocationResult, error) {
if err := h.allocator.Allocate(ip); err != nil {
return nil, err
}
return &AllocationResult{IP: ip}, nil
}
func (h *hostScopeAllocator) Release(ip net.IP, pool Pool) error {
h.allocator.Release(ip)
return nil
}
func (h *hostScopeAllocator) AllocateNext(owner string, pool Pool) (*AllocationResult, error) {
ip, err := h.allocator.AllocateNext()
if err != nil {
return nil, err
}
return &AllocationResult{IP: ip}, nil
}
func (h *hostScopeAllocator) AllocateNextWithoutSyncUpstream(owner string, pool Pool) (*AllocationResult, error) {
ip, err := h.allocator.AllocateNext()
if err != nil {
return nil, err
}
return &AllocationResult{IP: ip}, nil
}
func (h *hostScopeAllocator) Dump() (map[Pool]map[string]string, string) {
var origIP *big.Int
alloc := map[string]string{}
_, data, err := h.allocator.Snapshot()
if err != nil {
return nil, "Unable to get a snapshot of the allocator"
}
if h.allocCIDR.IP.To4() != nil {
origIP = big.NewInt(0).SetBytes(h.allocCIDR.IP.To4())
} else {
origIP = big.NewInt(0).SetBytes(h.allocCIDR.IP.To16())
}
bits := big.NewInt(0).SetBytes(data)
for i := 0; i < bits.BitLen(); i++ {
if bits.Bit(i) != 0 {
ip := net.IP(big.NewInt(0).Add(origIP, big.NewInt(int64(uint(i+1)))).Bytes()).String()
alloc[ip] = ""
}
}
maxIPs := ip.CountIPsInCIDR(h.allocCIDR)
status := fmt.Sprintf("%d/%s allocated from %s", len(alloc), maxIPs.String(), h.allocCIDR.String())
return map[Pool]map[string]string{PoolDefault(): alloc}, status
}
func (h *hostScopeAllocator) Capacity() uint64 {
return ip.CountIPsInCIDR(h.allocCIDR).Uint64()
}
// RestoreFinished marks the status of restoration as done
func (h *hostScopeAllocator) RestoreFinished() {}
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