remove ippool file

controllers/network_test.go

@@ -186,8 +186,6 @@ func TestIpv6Network(t *testing.T) {
 	deleteAllNetworks()
 	createNet()
 	createNetDualStack()
-	logic.SetIpPool()
-	defer logic.ClearIpPool()
 	network, err := logic.GetNetwork("skynet6")
 	t.Run("Test Network Create IPv6", func(t *testing.T) {
 		assert.Nil(t, err)
@@ -205,7 +203,6 @@ func TestIpv6Network(t *testing.T) {
 func deleteAllNetworks() {
 	deleteAllNodes()
 	database.DeleteAllRecords(database.NETWORKS_TABLE_NAME)
-	logic.ClearIpPool()
 }
 
 func createNet() {

logic/ippool.go

@@ -1,300 +0,0 @@
-package logic
-
-import (
-	"container/heap"
-	"errors"
-	"net"
-	"net/netip"
-	"sync"
-
-	"github.com/c-robinson/iplib"
-	"github.com/gravitl/netmaker/database"
-	"github.com/gravitl/netmaker/logger"
-	"github.com/gravitl/netmaker/models"
-	"golang.org/x/exp/slog"
-)
-
-var (
-	ipPool      = make(map[string]PoolMap)
-	ipPoolMutex = &sync.RWMutex{}
-)
-
-const (
-	ipCap = 5000
-)
-
-type IpHeap []net.IP
-
-type PoolMap struct {
-	V4 *IpHeap
-	V6 *IpHeap
-}
-
-func (h IpHeap) Len() int { return len(h) }
-func (h IpHeap) Less(i, j int) bool {
-	addr1, _ := netip.ParseAddr(h[i].String())
-	addr2, _ := netip.ParseAddr(h[j].String())
-	return addr1.Less(addr2)
-}
-func (h IpHeap) Swap(i, j int) { h[i], h[j] = h[j], h[i] }
-
-func (h *IpHeap) Push(x any) {
-	// Push and Pop use pointer receivers because they modify the slice's length,
-	// not just its contents.
-	*h = append(*h, x.(net.IP))
-}
-
-func (h *IpHeap) Pop() any {
-	old := *h
-	n := len(old)
-	x := old[n-1]
-	*h = old[0 : n-1]
-	return x
-}
-
-// ReleaseV4IpForNetwork - release ip back to ip pool after node is deleted, IPV4
-func ReleaseV4IpForNetwork(networkName string, ip net.IP) error {
-	return releaseIpForNetwork(networkName, ip, "v4")
-}
-
-// ReleaseV6IpForNetwork - release ip back to ip pool after node is deleted, IPv6
-func ReleaseV6IpForNetwork(networkName string, ip net.IP) error {
-	return releaseIpForNetwork(networkName, ip, "v6")
-}
-
-// releaseIpForNetwork - release ip back to ip pool after node is deleted
-func releaseIpForNetwork(networkName string, ip net.IP, v4v6Type string) error {
-	if _, ok := ipPool[networkName]; !ok {
-		return errors.New("network does not exist")
-	}
-	if ip == nil {
-		return errors.New("ip is nil, it does not need to return")
-	}
-	ipPoolMutex.Lock()
-	if v4v6Type == "v4" {
-		heap.Push(ipPool[networkName].V4, ip)
-	} else if v4v6Type == "v6" {
-		heap.Push(ipPool[networkName].V6, ip)
-	}
-	ipPoolMutex.Unlock()
-	return nil
-}
-
-// AddNetworkToIpPool - add network to ip pool when network is added
-func AddNetworkToIpPool(networkName string) error {
-	network, err := GetParentNetwork(networkName)
-	if err != nil {
-		slog.Error("network name is not found ", "Error", networkName, err)
-		return err
-	}
-	pMap := PoolMap{}
-	ipv4List := &IpHeap{}
-	heap.Init(ipv4List)
-	ipv6List := &IpHeap{}
-	heap.Init(ipv6List)
-	if network.IsIPv4 != "no" {
-		//ensure AddressRange is valid
-		if _, _, err := net.ParseCIDR(network.AddressRange); err != nil {
-			slog.Error("ParseCIDR error ", "Error", networkName, network.AddressRange)
-			return err
-		}
-		net4 := iplib.Net4FromStr(network.AddressRange)
-		newAddrs := net4.FirstAddress()
-
-		for {
-			heap.Push(ipv4List, newAddrs)
-			newAddrs, err = net4.NextIP(newAddrs)
-			if err != nil {
-				break
-			}
-		}
-	}
-
-	if network.IsIPv6 != "no" {
-		// ensure AddressRange is valid
-		if _, _, err := net.ParseCIDR(network.AddressRange6); err != nil {
-			slog.Error("ParseCIDR error ", "Error", networkName, network.AddressRange)
-			return err
-		}
-		net6 := iplib.Net6FromStr(network.AddressRange6)
-
-		newAddrs, err := net6.NextIP(net6.FirstAddress())
-		if err == nil {
-			for {
-				heap.Push(ipv6List, newAddrs)
-				newAddrs, err = net6.NextIP(newAddrs)
-				if err != nil {
-					break
-				}
-			}
-		}
-	}
-
-	pMap.V4 = ipv4List
-	pMap.V6 = ipv6List
-	ipPoolMutex.Lock()
-	ipPool[networkName] = pMap
-	ipPoolMutex.Unlock()
-	return nil
-}
-
-// RemoveNetworkFromIpPool - remove network from ip pool when network is deleted
-func RemoveNetworkFromIpPool(networkName string) {
-	ipPoolMutex.Lock()
-	delete(ipPool, networkName)
-	ipPoolMutex.Unlock()
-}
-
-// GetUniqueAddress - Allocate unique ipv4 address
-func GetUniqueAddress(networkName string) (ip net.IP, err error) {
-	if ipPool == nil {
-		return ip, errors.New("ip pool is not initialized")
-	}
-	ipPoolMutex.Lock()
-	defer ipPoolMutex.Unlock()
-
-	if _, ok := ipPool[networkName]; !ok {
-		return ip, errors.New("network does not exist")
-	}
-
-	if len(*ipPool[networkName].V4) == 0 {
-		return ip, errors.New("ip v4 pool for network " + networkName + " is empty")
-	}
-
-	ip = heap.Pop(ipPool[networkName].V4).(net.IP)
-
-	return
-}
-
-// GetUniqueAddress6 - Allocate unique ipv6 address
-func GetUniqueAddress6(networkName string) (ip net.IP, err error) {
-	if ipPool == nil {
-		return ip, errors.New("ip pool is not initialized")
-	}
-	ipPoolMutex.Lock()
-	defer ipPoolMutex.Unlock()
-
-	if _, ok := ipPool[networkName]; !ok {
-		return ip, errors.New("network does not exist")
-	}
-
-	if len(*ipPool[networkName].V6) == 0 {
-		return ip, errors.New("ip v6 pool for network " + networkName + " is empty")
-	}
-
-	ip = heap.Pop(ipPool[networkName].V6).(net.IP)
-
-	return
-}
-
-// ClearIpPool - set ipPool to nil
-func ClearIpPool() {
-	ipPool = nil
-}
-
-// SetIpPool - set available ip pool for network
-func SetIpPool() error {
-	logger.Log(0, "start loading ip pool")
-	if ipPool == nil {
-		ipPool = map[string]PoolMap{}
-	}
-
-	currentNetworks, err := GetNetworks()
-	if err != nil {
-		return err
-	}
-
-	for _, v := range currentNetworks {
-		pMap := PoolMap{}
-		netName := v.NetID
-
-		ipv4List := getAvailableIpV4Pool(&v)
-		ipv6List := getAvailableIpV6Pool(&v)
-
-		pMap.V4 = ipv4List
-		pMap.V6 = ipv6List
-
-		delete(ipPool, netName)
-		ipPool[netName] = pMap
-	}
-	logger.Log(0, "loading ip pool done")
-	return nil
-}
-
-func getAvailableIpV4Pool(network *models.Network) *IpHeap {
-
-	ipv4List := &IpHeap{}
-	heap.Init(ipv4List)
-
-	if network.IsIPv4 == "no" {
-		return ipv4List
-	}
-	//ensure AddressRange is valid
-	if _, _, err := net.ParseCIDR(network.AddressRange); err != nil {
-		slog.Debug("UniqueAddress encountered  an error")
-		return ipv4List
-	}
-	net4 := iplib.Net4FromStr(network.AddressRange)
-	newAddrs := net4.FirstAddress()
-
-	i := 0
-	for {
-		if i >= ipCap {
-			break
-		}
-		if IsIPUnique(network.NetID, newAddrs.String(), database.NODES_TABLE_NAME, false) &&
-			IsIPUnique(network.NetID, newAddrs.String(), database.EXT_CLIENT_TABLE_NAME, false) {
-			heap.Push(ipv4List, newAddrs)
-		}
-
-		var err error
-		newAddrs, err = net4.NextIP(newAddrs)
-
-		if err != nil {
-			break
-		}
-		i++
-	}
-
-	return ipv4List
-}
-
-func getAvailableIpV6Pool(network *models.Network) *IpHeap {
-	ipv6List := &IpHeap{}
-	heap.Init(ipv6List)
-
-	if network.IsIPv6 == "no" {
-		return ipv6List
-	}
-
-	//ensure AddressRange is valid
-	if _, _, err := net.ParseCIDR(network.AddressRange6); err != nil {
-		return ipv6List
-	}
-	net6 := iplib.Net6FromStr(network.AddressRange6)
-
-	newAddrs, err := net6.NextIP(net6.FirstAddress())
-	if err != nil {
-		return ipv6List
-	}
-
-	i := 0
-	for {
-		if i >= ipCap {
-			break
-		}
-		if IsIPUnique(network.NetID, newAddrs.String(), database.NODES_TABLE_NAME, true) &&
-			IsIPUnique(network.NetID, newAddrs.String(), database.EXT_CLIENT_TABLE_NAME, true) {
-			heap.Push(ipv6List, newAddrs)
-		}
-
-		newAddrs, err = net6.NextIP(newAddrs)
-
-		if err != nil {
-			break
-		}
-		i++
-	}
-
-	return ipv6List
-}