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add support for site-to-site routes via networks

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This commit is contained in:
Pascal Fischer
2025-09-02 18:16:05 +02:00
parent 9e157c33c3
commit cbbc77852f
5 changed files with 78 additions and 21 deletions
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70
management/server/types/account.go
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@@ -254,6 +254,7 @@ func (a *Account) GetPeerNetworkMap(
validatedPeersMap map[string]struct{},
resourcePolicies map[string][]*Policy,
routers map[string]map[string]*routerTypes.NetworkRouter,
resources map[string]*resourceTypes.NetworkResource,
metrics *telemetry.AccountManagerMetrics,
) *NetworkMap {
start := time.Now()
@@ -286,10 +287,10 @@ func (a *Account) GetPeerNetworkMap(
routesUpdate := a.GetRoutesToSync(ctx, peerID, peersToConnect)
routesFirewallRules := a.GetPeerRoutesFirewallRules(ctx, peerID, validatedPeersMap)
isRouter, networkResourcesRoutes, sourcePeers := a.GetNetworkResourcesRoutesToSync(ctx, peerID, resourcePolicies, routers)
isRouter, networkResourcesRoutes, sourcePeers := a.GetNetworkResourcesRoutesToSync(ctx, peerID, resourcePolicies, routers, resources)
var networkResourcesFirewallRules []*RouteFirewallRule
if isRouter {
networkResourcesFirewallRules = a.GetPeerNetworkResourceFirewallRules(ctx, peer, validatedPeersMap, networkResourcesRoutes, resourcePolicies)
networkResourcesFirewallRules = a.GetPeerNetworkResourceFirewallRules(ctx, peer, validatedPeersMap, networkResourcesRoutes, resourcePolicies, routers, resources)
}
peersToConnectIncludingRouters := a.addNetworksRoutingPeers(networkResourcesRoutes, peer, peersToConnect, expiredPeers, isRouter, sourcePeers)
@@ -1324,7 +1325,7 @@ func GetAllRoutePoliciesFromGroups(account *Account, accessControlGroups []strin
}
// GetPeerNetworkResourceFirewallRules gets the network resources firewall rules associated with a routing peer ID for the account.
func (a *Account) GetPeerNetworkResourceFirewallRules(ctx context.Context, peer *nbpeer.Peer, validatedPeersMap map[string]struct{}, routes []*route.Route, resourcePolicies map[string][]*Policy) []*RouteFirewallRule {
func (a *Account) GetPeerNetworkResourceFirewallRules(ctx context.Context, peer *nbpeer.Peer, validatedPeersMap map[string]struct{}, routes []*route.Route, resourcePolicies map[string][]*Policy, routers map[string]map[string]*routerTypes.NetworkRouter, resources map[string]*resourceTypes.NetworkResource) []*RouteFirewallRule {
routesFirewallRules := make([]*RouteFirewallRule, 0)
for _, route := range routes {
@@ -1332,7 +1333,7 @@ func (a *Account) GetPeerNetworkResourceFirewallRules(ctx context.Context, peer
continue
}
resourceAppliedPolicies := resourcePolicies[string(route.GetResourceID())]
distributionPeers := getPoliciesSourcePeers(resourceAppliedPolicies, a.Groups)
distributionPeers := getPoliciesSourcePeers(resourceAppliedPolicies, a.Groups, routers, resources)
rules := a.getRouteFirewallRules(ctx, peer.ID, resourceAppliedPolicies, route, validatedPeersMap, distributionPeers)
for _, rule := range rules {
@@ -1375,7 +1376,7 @@ func (a *Account) GetResourcePoliciesMap() map[string][]*Policy {
}
// GetNetworkResourcesRoutesToSync returns network routes for syncing with a specific peer and its ACL peers.
func (a *Account) GetNetworkResourcesRoutesToSync(ctx context.Context, peerID string, resourcePolicies map[string][]*Policy, routers map[string]map[string]*routerTypes.NetworkRouter) (bool, []*route.Route, map[string]struct{}) {
func (a *Account) GetNetworkResourcesRoutesToSync(ctx context.Context, peerID string, resourcePolicies map[string][]*Policy, routers map[string]map[string]*routerTypes.NetworkRouter, resources map[string]*resourceTypes.NetworkResource) (bool, []*route.Route, map[string]struct{}) {
var isRoutingPeer bool
var routes []*route.Route
allSourcePeers := make(map[string]struct{}, len(a.Peers))
@@ -1398,11 +1399,32 @@ func (a *Account) GetNetworkResourcesRoutesToSync(ctx context.Context, peerID st
addedResourceRoute := false
for _, policy := range resourcePolicies[resource.ID] {
var peers []string
if policy.Rules[0].SourceResource.Type == ResourceTypePeer && policy.Rules[0].SourceResource.ID != "" {
switch {
case policy.Rules[0].SourceResource.Type == ResourceTypePeer && policy.Rules[0].SourceResource.ID != "":
peers = []string{policy.Rules[0].SourceResource.ID}
} else {
case policy.Rules[0].SourceResource.Type != "" && policy.Rules[0].SourceResource.ID != "":
if sourceResource, exists := resources[policy.Rules[0].SourceResource.ID]; exists {
sourceRoutingPeers, exists := routers[sourceResource.NetworkID]
if exists {
for _, router := range sourceRoutingPeers {
if router.Peer != "" {
peers = append(peers, router.Peer)
}
if router.PeerGroups != nil {
for _, groupID := range router.PeerGroups {
group := a.GetGroup(groupID)
if group != nil {
peers = append(peers, group.Peers...)
}
}
}
}
}
}
default:
peers = a.getUniquePeerIDsFromGroupsIDs(ctx, policy.SourceGroups())
}
if addSourcePeers {
for _, pID := range a.getPostureValidPeers(peers, policy.SourcePostureChecks) {
allSourcePeers[pID] = struct{}{}
@@ -1570,8 +1592,18 @@ func (a *Account) GetResourceRoutersMap() map[string]map[string]*routerTypes.Net
return routers
}
func (a *Account) GetResourceMap() map[string]*resourceTypes.NetworkResource {
resources := make(map[string]*resourceTypes.NetworkResource)
for _, resource := range a.NetworkResources {
resources[resource.ID] = resource
}
return resources
}
// getPoliciesSourcePeers collects all unique peers from the source groups defined in the given policies.
func getPoliciesSourcePeers(policies []*Policy, groups map[string]*Group) map[string]struct{} {
func getPoliciesSourcePeers(policies []*Policy, groups map[string]*Group, routers map[string]map[string]*routerTypes.NetworkRouter, resources map[string]*resourceTypes.NetworkResource) map[string]struct{} {
sourcePeers := make(map[string]struct{})
for _, policy := range policies {
@@ -1586,6 +1618,28 @@ func getPoliciesSourcePeers(policies []*Policy, groups map[string]*Group) map[st
sourcePeers[peer] = struct{}{}
}
}
if (rule.SourceResource.Type == ResourceTypeHost || rule.SourceResource.Type == ResourceTypeDomain || rule.SourceResource.Type == ResourceTypeSubnet) && rule.SourceResource.ID != "" {
if resource, ok := resources[rule.SourceResource.ID]; ok {
if networkRouters, exists := routers[resource.NetworkID]; exists {
for _, router := range networkRouters {
if router.Peer != "" {
sourcePeers[router.Peer] = struct{}{}
}
if router.PeerGroups != nil {
for _, groupID := range router.PeerGroups {
group := groups[groupID]
if group != nil {
for _, peerID := range group.Peers {
sourcePeers[peerID] = struct{}{}
}
}
}
}
}
}
}
}
}
}