build cache only once

management/server/holder.go

@@ -1,8 +1,6 @@
 package server
 
 import (
-	"context"
-
 	"github.com/netbirdio/netbird/management/server/types"
 )
 
@@ -21,16 +19,7 @@ func (am *DefaultAccountManager) enrichAccountFromHolder(account *types.Account)
 }
 
 func (am *DefaultAccountManager) getAccountFromHolder(accountID string) *types.Account {
-	a := am.holder.GetAccount(accountID)
-	if a != nil {
-		return a
-	}
-	account, err := am.requestBuffer.GetAccountWithBackpressure(context.Background(), accountID)
-	if err != nil {
-		return nil
-	}
-	am.holder.AddAccount(account)
-	return account
+	return am.holder.GetAccount(accountID)
 }
 
 func (am *DefaultAccountManager) updateAccountInHolder(account *types.Account) {

management/server/networkmap.go

@@ -41,6 +41,9 @@ func (am *DefaultAccountManager) onPeerDeletedUpdNetworkMapCache(account *types.
 
 func (am *DefaultAccountManager) updatePeerInNetworkMapCache(accountId string, peer *nbpeer.Peer) {
 	account := am.getAccountFromHolder(accountId)
+	if account == nil {
+		return
+	}
 	account.UpdatePeerInNetworkMapCache(peer)
 }
 

management/server/types/account.go

@@ -8,6 +8,7 @@ import (
 	"slices"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/hashicorp/go-multierror"
@@ -88,6 +89,7 @@ type Account struct {
 	Onboarding       AccountOnboarding                `gorm:"foreignKey:AccountID;references:id;constraint:OnDelete:CASCADE"`
 
 	NetworkMapCache *NetworkMapBuilder `gorm:"-"`
+	nmapInitOnce    sync.Once
 }
 
 // this class is used by gorm only

management/server/types/networkmap.go

@@ -846,10 +846,9 @@ func peerIsNameserver(peer *nbpeer.Peer, nsGroup *nbdns.NameServerGroup) bool {
 }
 
 func (a *Account) initNetworkMapBuilder(validatedPeers map[string]struct{}) {
-	if a.NetworkMapCache != nil {
-		return
-	}
-	a.NetworkMapCache = NewNetworkMapBuilder(a, validatedPeers)
+	a.nmapInitOnce.Do(func() {
+		a.NetworkMapCache = NewNetworkMapBuilder(a, validatedPeers)
+	})
 }
 
 func (a *Account) InitNetworkMapBuilderIfNeeded(validatedPeers map[string]struct{}) {