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[management,client] Plumb the debug upload destination to where the fan-out can reach it

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Pure plumbing, no change on the wire. Both halves exist for the same reason: the
value this PR needs to publish is not reachable from the code paths that have to
publish it, and widening the signatures is separable from moving the value.

On the management side, the resolution between the account setting and the
server-config default moves into resolveDebugUploadURL, and the default becomes a
parameter that ToSyncResponse and ToComponentSyncResponse take rather than
something read off the server config at the point of use. The callers that have a
server config pass its value, which is what the code read before, so every
response keeps the destination it had. The peer fan-out builds its sync with a
nil server config, so anything derived from that config inside the conversion is
unavailable there; a parameter is reachable from the fan-out.

On the client side, Engine.Start takes the login response's PeerConfig. Nothing
reads it yet.
This commit is contained in:
riccardom
2026-10-09 11:06:29 +02:00
parent 676181b908
commit 6ea208eb05
10 changed files with 40 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
management/internals/controllers/network_map/controller/controller.go
+8 -8
View File
@@ -297,7 +297,7 @@ func (c *Controller) sendUpdateAccountPeers(ctx context.Context, accountID strin
// proxyNetworkMap rides the envelope as a ProxyPatch sidecar;
// the client merges it into Calculate()'s output the same
// way the legacy server did via NetworkMap.Merge.
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, components, proxyNetworkMap, dnsDomain, postureChecks, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort)
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, components, proxyNetworkMap, dnsDomain, postureChecks, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort, c.config.DebugUpload.URL)
c.metrics.CountToComponentSyncResponseDuration(time.Since(start))
c.peersUpdateManager.SendUpdate(ctx, p.ID, &network_map.UpdateMessage{
@@ -318,7 +318,7 @@ func (c *Controller) sendUpdateAccountPeers(ctx context.Context, accountID strin
}
start = time.Now()
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, nmap, dnsDomain, postureChecks, dnsCache, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort)
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, nmap, dnsDomain, postureChecks, dnsCache, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort, c.config.DebugUpload.URL)
c.metrics.CountToSyncResponseDuration(time.Since(start))
c.peersUpdateManager.SendUpdate(ctx, p.ID, &network_map.UpdateMessage{
@@ -451,7 +451,7 @@ func (c *Controller) sendUpdatesFromData(ctx context.Context, accountID string,
c.metrics.CountCalcPeerNetworkMapDuration(time.Since(start))
start = time.Now()
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, p, nil, nil, components, nil, dnsDomain, postureChecks, nmData.AccountSettings, extraSettings, peerGroups, dnsFwdPort)
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, p, nil, nil, components, nil, dnsDomain, postureChecks, nmData.AccountSettings, extraSettings, peerGroups, dnsFwdPort, c.config.DebugUpload.URL)
c.metrics.CountToComponentSyncResponseDuration(time.Since(start))
c.peersUpdateManager.SendUpdate(ctx, p.ID, &network_map.UpdateMessage{
@@ -467,7 +467,7 @@ func (c *Controller) sendUpdatesFromData(ctx context.Context, accountID string,
c.metrics.CountCalcPeerNetworkMapDuration(time.Since(start))
start = time.Now()
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, p, nil, nil, nmap, dnsDomain, postureChecks, dnsCache, nmData.AccountSettings, extraSettings, peerGroups, dnsFwdPort)
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, p, nil, nil, nmap, dnsDomain, postureChecks, dnsCache, nmData.AccountSettings, extraSettings, peerGroups, dnsFwdPort, c.config.DebugUpload.URL)
c.metrics.CountToSyncResponseDuration(time.Since(start))
c.peersUpdateManager.SendUpdate(ctx, p.ID, &network_map.UpdateMessage{
@@ -746,7 +746,7 @@ func (c *Controller) sendUpdateForAffectedPeers(ctx context.Context, accountID s
// proxyNetworkMap rides the envelope as a ProxyPatch sidecar;
// the client merges it into Calculate()'s output the same
// way the legacy server did via NetworkMap.Merge.
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, components, proxyNetworkMap, dnsDomain, postureChecks, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort)
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, components, proxyNetworkMap, dnsDomain, postureChecks, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort, c.config.DebugUpload.URL)
c.metrics.CountToComponentSyncResponseDuration(time.Since(start))
c.peersUpdateManager.SendUpdate(ctx, p.ID, &network_map.UpdateMessage{
@@ -767,7 +767,7 @@ func (c *Controller) sendUpdateForAffectedPeers(ctx context.Context, accountID s
}
start = time.Now()
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, nmap, dnsDomain, postureChecks, dnsCache, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort)
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(p), nil, nil, nmap, dnsDomain, postureChecks, dnsCache, types.TwinAccountSettings(account.Settings), extraSetting, maps.Keys(peerGroups), dnsFwdPort, c.config.DebugUpload.URL)
c.metrics.CountToSyncResponseDuration(time.Since(start))
c.peersUpdateManager.SendUpdate(ctx, p.ID, &network_map.UpdateMessage{
@@ -884,7 +884,7 @@ func (c *Controller) UpdateAccountPeer(ctx context.Context, accountId string, pe
// proxyNetworkMap rides the envelope as a ProxyPatch sidecar;
// the client merges it into Calculate()'s output the same
// way the legacy server did via NetworkMap.Merge.
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(peer), nil, nil, components, proxyNetworkMap, dnsDomain, postureChecks, types.TwinAccountSettings(account.Settings), extraSettings, maps.Keys(peerGroups), dnsFwdPort)
update = grpc.ToComponentSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(peer), nil, nil, components, proxyNetworkMap, dnsDomain, postureChecks, types.TwinAccountSettings(account.Settings), extraSettings, maps.Keys(peerGroups), dnsFwdPort, c.config.DebugUpload.URL)
c.peersUpdateManager.SendUpdate(ctx, peer.ID, &network_map.UpdateMessage{
Update: update,
@@ -901,7 +901,7 @@ func (c *Controller) UpdateAccountPeer(ctx context.Context, accountId string, pe
nmap.Merge(proxyNetworkMap)
}
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(peer), nil, nil, nmap, dnsDomain, postureChecks, dnsCache, types.TwinAccountSettings(account.Settings), extraSettings, maps.Keys(peerGroups), dnsFwdPort)
update = grpc.ToSyncResponse(ctx, nil, c.config.HttpConfig, c.config.DeviceAuthorizationFlow, types.TwinPeer(peer), nil, nil, nmap, dnsDomain, postureChecks, dnsCache, types.TwinAccountSettings(account.Settings), extraSettings, maps.Keys(peerGroups), dnsFwdPort, c.config.DebugUpload.URL)
c.peersUpdateManager.SendUpdate(ctx, peer.ID, &network_map.UpdateMessage{
Update: update,
management/internals/controllers/network_map/nmaptest/runner.go
+2 -2
View File
@@ -239,12 +239,12 @@ func computeMode(t *testing.T, ctx context.Context, mode Mode, nmData *networkma
case ModeFull:
nmap := controller.NetworkMapFromData(ctx, nmData, peerID, zone, nil)
return mgmtgrpc.ToSyncResponse(ctx, nil, nil, nil, peer, nil, nil, nmap, dnsDomain, nil,
&cache.DNSConfigCache{}, nmData.AccountSettings, nil, nil, dnsFwdPort).NetworkMap
&cache.DNSConfigCache{}, nmData.AccountSettings, nil, nil, dnsFwdPort, "").NetworkMap
case ModeEnvelope:
components := nmData.GetPeerNetworkMapComponents(peerID, zone)
peerGroups := maps.Keys(nmData.GetPeerGroups(peerID))
resp := mgmtgrpc.ToComponentSyncResponse(ctx, nil, nil, nil, peer, nil, nil, components, nil,
dnsDomain, nil, nmData.AccountSettings, nil, peerGroups, dnsFwdPort)
dnsDomain, nil, nmData.AccountSettings, nil, peerGroups, dnsFwdPort, "")
res, err := networkmap.EnvelopeToNetworkMap(ctx, resp.NetworkMapEnvelope, peer.Key, dnsDomain, false)
require.NoError(t, err, "expand envelope")
return res.NetworkMap
management/internals/shared/grpc/components_envelope_response.go
+2 -1
View File
@@ -41,6 +41,7 @@ func ToComponentSyncResponse(
extraSettings *types.ExtraSettings,
peerGroups []string,
dnsFwdPort int64,
debugUploadDefault string,
) *proto.SyncResponse {
//
// 'component' parameter is expected to never be nil
@@ -75,7 +76,7 @@ func ToComponentSyncResponse(
Version: int32(sharedgrpc.ComponentNetworkMap),
}
nbConfig := toNetbirdConfig(config, turnCredentials, relayCredentials, extraSettings, settings)
nbConfig := toNetbirdConfig(config, turnCredentials, relayCredentials, extraSettings, settings, debugUploadDefault)
resp.NetbirdConfig = integrationsConfig.ExtendNetBirdConfig(peer.ID, peerGroups, nbConfig, extraSettings)
// settings == nil → field stays nil → "no info in this snapshot", client
management/internals/shared/grpc/conversion.go
+16 -12
View File
@@ -46,7 +46,7 @@ func init() {
// nil when no server config is set (the fan-out network-map path) because clients treat any
// non-nil config as authoritative: a config without a relay section is interpreted as relay
// disabled and wipes the clients' relay URLs.
func toNetbirdConfig(config *nbconfig.Config, turnCredentials *Token, relayToken *Token, extraSettings *types.ExtraSettings, settings *nmdata.AccountSettingsInfo) *proto.NetbirdConfig {
func toNetbirdConfig(config *nbconfig.Config, turnCredentials *Token, relayToken *Token, extraSettings *types.ExtraSettings, settings *nmdata.AccountSettingsInfo, debugUploadDefault string) *proto.NetbirdConfig {
if config == nil {
return nil
}
@@ -115,22 +115,26 @@ func toNetbirdConfig(config *nbconfig.Config, turnCredentials *Token, relayToken
}
}
// The account setting wins, the server config is the deployment-wide value a
// self-hosted install can set once for every account. Both are
// https-validated where they are written. Neither set publishes nothing, and
// the peers fall back to the service NetBird runs.
debugUploadURL := config.DebugUpload.URL
if settings != nil && settings.DebugBundleUploadURL != "" {
debugUploadURL = settings.DebugBundleUploadURL
}
// Always sent, empty included: this is a full config, so the peer can tell an
// operator clearing the destination from the partial updates that carry only
// TURN or relay credentials and say nothing about it.
nbConfig.Debug = &proto.DebugConfig{UploadUrl: debugUploadURL}
nbConfig.Debug = &proto.DebugConfig{UploadUrl: resolveDebugUploadURL(settings, debugUploadDefault)}
return nbConfig
}
// resolveDebugUploadURL picks the debug-bundle destination a peer is told to
// use. The account setting wins; deploymentDefault is the server-config value a
// self-hosted install sets once for every account. Both are https-validated
// where they are written, and neither set means the peer falls back to the
// service NetBird runs.
func resolveDebugUploadURL(settings *nmdata.AccountSettingsInfo, deploymentDefault string) string {
if settings != nil && settings.DebugBundleUploadURL != "" {
return settings.DebugBundleUploadURL
}
return deploymentDefault
}
func toPeerConfig(peer *nmdata.Peer, network *nmdata.Network, dnsName string, settings *nmdata.AccountSettingsInfo, httpConfig *nbconfig.HttpServerConfig, deviceFlowConfig *nbconfig.DeviceAuthorizationFlow, enableSSH bool, forceRoutingPeerDNS bool) *proto.PeerConfig {
netmask, _ := network.Net.Mask.Size()
fqdn := peer.FQDN(dnsName)
@@ -166,7 +170,7 @@ func toPeerConfig(peer *nmdata.Peer, network *nmdata.Network, dnsName string, se
return peerConfig
}
func ToSyncResponse(ctx context.Context, config *nbconfig.Config, httpConfig *nbconfig.HttpServerConfig, deviceFlowConfig *nbconfig.DeviceAuthorizationFlow, peer *nmdata.Peer, turnCredentials *Token, relayCredentials *Token, networkMap *types.NetworkMap, dnsName string, checks []*nmdata.PostureChecks, dnsCache *cache.DNSConfigCache, settings *nmdata.AccountSettingsInfo, extraSettings *types.ExtraSettings, peerGroups []string, dnsFwdPort int64) *proto.SyncResponse {
func ToSyncResponse(ctx context.Context, config *nbconfig.Config, httpConfig *nbconfig.HttpServerConfig, deviceFlowConfig *nbconfig.DeviceAuthorizationFlow, peer *nmdata.Peer, turnCredentials *Token, relayCredentials *Token, networkMap *types.NetworkMap, dnsName string, checks []*nmdata.PostureChecks, dnsCache *cache.DNSConfigCache, settings *nmdata.AccountSettingsInfo, extraSettings *types.ExtraSettings, peerGroups []string, dnsFwdPort int64, debugUploadDefault string) *proto.SyncResponse {
// IPv6 data in AllowedIPs and SourcePrefixes wildcard expansion depends on
// whether the target peer supports IPv6. Routes and firewall rules are already
// filtered at the source (network map builder).
@@ -185,7 +189,7 @@ func ToSyncResponse(ctx context.Context, config *nbconfig.Config, httpConfig *nb
Checks: toProtocolChecks(ctx, checks),
}
nbConfig := toNetbirdConfig(config, turnCredentials, relayCredentials, extraSettings, settings)
nbConfig := toNetbirdConfig(config, turnCredentials, relayCredentials, extraSettings, settings, debugUploadDefault)
extendedConfig := integrationsConfig.ExtendNetBirdConfig(peer.ID, peerGroups, nbConfig, extraSettings)
response.NetbirdConfig = extendedConfig
management/internals/shared/grpc/conversion_test.go
+2 -2
View File
@@ -278,7 +278,7 @@ func TestToNetbirdConfig_RelayInvariant(t *testing.T) {
settings := &types.Settings{MetricsPushEnabled: true}
t.Run("nil server config returns nil config", func(t *testing.T) {
nbCfg := toNetbirdConfig(nil, nil, nil, nil, types.TwinAccountSettings(settings))
nbCfg := toNetbirdConfig(nil, nil, nil, nil, types.TwinAccountSettings(settings), "")
assert.Nil(t, nbCfg, "fan-out updates must not carry a partial NetbirdConfig even when settings are present")
})
@@ -293,7 +293,7 @@ func TestToNetbirdConfig_RelayInvariant(t *testing.T) {
}
relayToken := &Token{Payload: "token-payload", Signature: "token-signature"}
nbCfg := toNetbirdConfig(cfg, nil, relayToken, nil, types.TwinAccountSettings(settings))
nbCfg := toNetbirdConfig(cfg, nil, relayToken, nil, types.TwinAccountSettings(settings), "")
require.NotNil(t, nbCfg)
require.NotNil(t, nbCfg.Relay, "non-nil NetbirdConfig must include the relay section")
assert.Equal(t, cfg.Relay.Addresses, nbCfg.Relay.Urls, "relay URLs should match the server config")
management/internals/shared/grpc/server.go
+3 -3
View File
@@ -828,7 +828,7 @@ func (s *Server) prepareLoginResponse(ctx context.Context, peer *nbpeer.Peer, ne
// if peer has reached this point then it has logged in
loginResp := &proto.LoginResponse{
NetbirdConfig: toNetbirdConfig(s.config, nil, relayToken, nil, types.TwinAccountSettings(settings)),
NetbirdConfig: toNetbirdConfig(s.config, nil, relayToken, nil, types.TwinAccountSettings(settings), s.config.DebugUpload.URL),
PeerConfig: toPeerConfig(types.TwinPeer(peer), types.TwinNetwork(network), s.networkMapController.GetDNSDomain(settings), types.TwinAccountSettings(settings), s.config.HttpConfig, s.config.DeviceAuthorizationFlow, enableSSH, false),
Checks: toProtocolChecks(ctx, postureChecks),
}
@@ -960,9 +960,9 @@ func (s *Server) sendInitialSync(ctx context.Context, peerKey wgtypes.Key, peer
log.WithContext(ctx).Errorf("failed to build components for peer %s on initial sync: %v", peer.ID, err)
return status.Errorf(codes.Internal, "failed to build initial sync envelope")
}
plainResp = ToComponentSyncResponse(ctx, s.config, s.config.HttpConfig, s.config.DeviceAuthorizationFlow, types.TwinPeer(freshPeer), turnToken, relayToken, components, proxyPatch, dnsName, freshPostureChecks, types.TwinAccountSettings(settings), settings.Extra, peerGroups, freshDnsFwdPort)
plainResp = ToComponentSyncResponse(ctx, s.config, s.config.HttpConfig, s.config.DeviceAuthorizationFlow, types.TwinPeer(freshPeer), turnToken, relayToken, components, proxyPatch, dnsName, freshPostureChecks, types.TwinAccountSettings(settings), settings.Extra, peerGroups, freshDnsFwdPort, s.config.DebugUpload.URL)
} else {
plainResp = ToSyncResponse(ctx, s.config, s.config.HttpConfig, s.config.DeviceAuthorizationFlow, types.TwinPeer(peer), turnToken, relayToken, networkMap, dnsName, postureChecks, nil, types.TwinAccountSettings(settings), settings.Extra, peerGroups, dnsFwdPort)
plainResp = ToSyncResponse(ctx, s.config, s.config.HttpConfig, s.config.DeviceAuthorizationFlow, types.TwinPeer(peer), turnToken, relayToken, networkMap, dnsName, postureChecks, nil, types.TwinAccountSettings(settings), settings.Extra, peerGroups, dnsFwdPort, s.config.DebugUpload.URL)
}
key, err := s.secretsManager.GetWGKey()
management/server/peer_test.go
+1 -1
View File
@@ -1181,7 +1181,7 @@ func TestToSyncResponse(t *testing.T) {
}
dnsCache := &cache.DNSConfigCache{}
accountSettings := &types.Settings{RoutingPeerDNSResolutionEnabled: true}
response := grpc.ToSyncResponse(context.Background(), config, config.HttpConfig, config.DeviceAuthorizationFlow, types.TwinPeer(peer), turnRelayToken, turnRelayToken, networkMap, dnsName, checks, dnsCache, types.TwinAccountSettings(accountSettings), nil, []string{}, int64(dnsForwarderPort))
response := grpc.ToSyncResponse(context.Background(), config, config.HttpConfig, config.DeviceAuthorizationFlow, types.TwinPeer(peer), turnRelayToken, turnRelayToken, networkMap, dnsName, checks, dnsCache, types.TwinAccountSettings(accountSettings), nil, []string{}, int64(dnsForwarderPort), "")
assert.NotNil(t, response)
// assert peer config