api/billing/fees/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50060"
+  advertise_host: "sendico_billing_fees"
   enable_reflection: true
   enable_health: true
 

api/billing/fees/internal/server/internal/serverimp.go

@@ -129,6 +129,11 @@ func (i *Imp) Start() error {
 		if oracleClient != nil {
 			opts = append(opts, fees.WithOracleClient(oracleClient))
 		}
+		if cfg.GRPC != nil {
+			if invokeURI := cfg.GRPC.DiscoveryInvokeURI(); invokeURI != "" {
+				opts = append(opts, fees.WithDiscoveryInvokeURI(invokeURI))
+			}
+		}
 		svc := fees.NewService(logger, repo, producer, opts...)
 		i.service = svc
 		return svc, nil

api/billing/fees/internal/service/fees/options.go

@@ -1,6 +1,8 @@
 package fees
 
 import (
+	"strings"
+
 	internalcalculator "github.com/tech/sendico/billing/fees/internal/service/fees/internal/calculator"
 	oracleclient "github.com/tech/sendico/fx/oracle/client"
 	clockpkg "github.com/tech/sendico/pkg/clock"
@@ -46,3 +48,10 @@ func WithFeeResolver(r FeeResolver) Option {
 		}
 	}
 }
+
+// WithDiscoveryInvokeURI sets the invoke URI used when announcing the service in discovery.
+func WithDiscoveryInvokeURI(invokeURI string) Option {
+	return func(s *Service) {
+		s.invokeURI = strings.TrimSpace(invokeURI)
+	}
+}

api/billing/fees/internal/service/fees/service.go

@@ -40,6 +40,7 @@ type Service struct {
 	oracle     oracleclient.Client
 	resolver   FeeResolver
 	announcer  *discovery.Announcer
+	invokeURI  string
 	feesv1.UnimplementedFeeEngineServer
 }
 
@@ -93,6 +94,7 @@ func (s *Service) startDiscoveryAnnouncer() {
 	announce := discovery.Announcement{
 		Service:    "BILLING_FEES",
 		Operations: []string{"fee.calc"},
+		InvokeURI:  s.invokeURI,
 		Version:    appversion.Create().Short(),
 	}
 	s.announcer = discovery.NewAnnouncer(s.logger, s.producer, string(mservice.FeePlans), announce)

api/fx/oracle/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50051"
+  advertise_host: "sendico_fx_oracle"
   enable_reflection: true
   enable_health: true
 

api/fx/oracle/internal/server/internal/serverimp.go

@@ -63,7 +63,7 @@ func (i *Imp) Start() error {
 	}
 
 	serviceFactory := func(logger mlogger.Logger, repo storage.Repository, producer msg.Producer) (grpcapp.Service, error) {
-		svc := oracle.NewService(logger, repo, producer)
+		svc := oracle.NewService(logger, repo, producer, cfg.GRPC.DiscoveryInvokeURI())
 		i.service = svc
 		return svc, nil
 	}

api/fx/oracle/internal/service/oracle/service.go

@@ -42,15 +42,17 @@ type Service struct {
 	storage   storage.Repository
 	producer  pmessaging.Producer
 	announcer *discovery.Announcer
+	invokeURI string
 	oraclev1.UnimplementedOracleServer
 }
 
-func NewService(logger mlogger.Logger, repo storage.Repository, prod pmessaging.Producer) *Service {
+func NewService(logger mlogger.Logger, repo storage.Repository, prod pmessaging.Producer, invokeURI string) *Service {
 	initMetrics()
 	svc := &Service{
-		logger:   logger.Named("oracle"),
+		logger:    logger.Named("oracle"),
-		storage:  repo,
+		storage:   repo,
-		producer: prod,
+		producer:  prod,
+		invokeURI: strings.TrimSpace(invokeURI),
 	}
 	svc.startDiscoveryAnnouncer()
 	return svc
@@ -78,6 +80,7 @@ func (s *Service) startDiscoveryAnnouncer() {
 	announce := discovery.Announcement{
 		Service:    "FX_ORACLE",
 		Operations: []string{"fx.quote"},
+		InvokeURI:  s.invokeURI,
 		Version:    appversion.Create().Short(),
 	}
 	s.announcer = discovery.NewAnnouncer(s.logger, s.producer, string(mservice.FXOracle), announce)

api/fx/oracle/internal/service/oracle/service_test.go

@@ -142,7 +142,7 @@ func TestServiceGetQuoteFirm(t *testing.T) {
 	}
 	repo.currencies = currencyStoreStub{}
 
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	req := &oraclev1.GetQuoteRequest{
 		Meta: &oraclev1.RequestMeta{
@@ -189,7 +189,7 @@ func TestServiceGetQuoteRateNotFound(t *testing.T) {
 			return nil, merrors.ErrNoData
 		}},
 	}
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	_, err := svc.GetQuote(context.Background(), &oraclev1.GetQuoteRequest{
 		Pair:        &fxv1.CurrencyPair{Base: "USD", Quote: "EUR"},
@@ -263,7 +263,7 @@ func TestServiceGetQuoteCrossRate(t *testing.T) {
 	repo.quotes = &quotesStoreStub{}
 	repo.currencies = currencyStoreStub{}
 
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	req := &oraclev1.GetQuoteRequest{
 		Pair:        &fxv1.CurrencyPair{Base: "EUR", Quote: "RUB"},
@@ -352,7 +352,7 @@ func TestServiceLatestRateCross(t *testing.T) {
 	repo.quotes = &quotesStoreStub{}
 	repo.currencies = currencyStoreStub{}
 
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	resp, err := svc.LatestRate(context.Background(), &oraclev1.LatestRateRequest{
 		Pair: &fxv1.CurrencyPair{Base: "EUR", Quote: "RUB"},
@@ -390,7 +390,7 @@ func TestServiceValidateQuote(t *testing.T) {
 			},
 		},
 	}
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	resp, err := svc.ValidateQuote(context.Background(), &oraclev1.ValidateQuoteRequest{QuoteRef: "q1"})
 	if err != nil {
@@ -409,7 +409,7 @@ func TestServiceConsumeQuoteExpired(t *testing.T) {
 			},
 		},
 	}
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	_, err := svc.ConsumeQuote(context.Background(), &oraclev1.ConsumeQuoteRequest{QuoteRef: "q1", LedgerTxnRef: "ledger"})
 	if err == nil {
@@ -439,7 +439,7 @@ func TestServiceLatestRateSuccess(t *testing.T) {
 			},
 		},
 	}
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	resp, err := svc.LatestRate(context.Background(), &oraclev1.LatestRateRequest{Pair: &fxv1.CurrencyPair{Base: "USD", Quote: "EUR"}})
 	if err != nil {
@@ -456,7 +456,7 @@ func TestServiceListPairs(t *testing.T) {
 			return []*model.Pair{{Pair: model.CurrencyPair{Base: "USD", Quote: "EUR"}}}, nil
 		}},
 	}
-	svc := NewService(zap.NewNop(), repo, nil)
+	svc := NewService(zap.NewNop(), repo, nil, "")
 
 	resp, err := svc.ListPairs(context.Background(), &oraclev1.ListPairsRequest{})
 	if err != nil {

api/gateway/chain/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50070"
+  advertise_host: "sendico_chain_gateway"
   enable_reflection: true
   enable_health: true
 

api/gateway/chain/internal/server/internal/serverimp.go

@@ -148,7 +148,12 @@ func (i *Imp) Start() error {
 	}
 
 	serviceFactory := func(logger mlogger.Logger, repo storage.Repository, producer msg.Producer) (grpcapp.Service, error) {
+		invokeURI := ""
+		if cfg.GRPC != nil {
+			invokeURI = cfg.GRPC.DiscoveryInvokeURI()
+		}
 		opts := []gatewayservice.Option{
+			gatewayservice.WithDiscoveryInvokeURI(invokeURI),
 			gatewayservice.WithNetworks(networkConfigs),
 			gatewayservice.WithServiceWallet(walletConfig),
 			gatewayservice.WithKeyManager(keyManager),

api/gateway/chain/internal/service/gateway/options.go

@@ -83,3 +83,10 @@ func WithSettings(settings CacheSettings) Option {
 		s.settings = settings.withDefaults()
 	}
 }
+
+// WithDiscoveryInvokeURI sets the invoke URI used when announcing the gateway.
+func WithDiscoveryInvokeURI(invokeURI string) Option {
+	return func(s *Service) {
+		s.invokeURI = strings.TrimSpace(invokeURI)
+	}
+}

api/gateway/chain/internal/service/gateway/service.go

@@ -51,6 +51,7 @@ type Service struct {
 	drivers         *drivers.Registry
 	commands        commands.Registry
 	announcers      []*discovery.Announcer
+	invokeURI       string
 
 	connectorv1.UnimplementedConnectorServiceServer
 }
@@ -209,7 +210,7 @@ func (s *Service) startDiscoveryAnnouncers() {
 			Network:    network.Name,
 			Operations: []string{"balance.read", "payin.crypto", "payout.crypto", "fee.send"},
 			Currencies: currencies,
-			InvokeURI:  discovery.DefaultInvokeURI(string(mservice.ChainGateway)),
+			InvokeURI:  s.invokeURI,
 			Version:    version,
 		}
 		announcer := discovery.NewAnnouncer(s.logger, s.producer, string(mservice.ChainGateway), announce)

api/gateway/mntx/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50075"
+  advertise_host: "sendico_mntx_gateway"
   enable_reflection: true
   enable_health: true
 

api/gateway/mntx/internal/server/internal/serverimp.go

@@ -184,7 +184,12 @@ func (i *Imp) Start() error {
 	)
 
 	serviceFactory := func(logger mlogger.Logger, _ struct{}, producer msg.Producer) (grpcapp.Service, error) {
+		invokeURI := ""
+		if cfg.GRPC != nil {
+			invokeURI = cfg.GRPC.DiscoveryInvokeURI()
+		}
 		svc := mntxservice.NewService(logger,
+			mntxservice.WithDiscoveryInvokeURI(invokeURI),
 			mntxservice.WithProducer(producer),
 			mntxservice.WithMonetixConfig(monetixCfg),
 			mntxservice.WithGatewayDescriptor(gatewayDescriptor),

api/gateway/mntx/internal/service/gateway/options.go

@@ -2,6 +2,7 @@ package gateway
 
 import (
 	"net/http"
+	"strings"
 
 	"github.com/tech/sendico/gateway/mntx/internal/service/monetix"
 	"github.com/tech/sendico/pkg/clock"
@@ -52,3 +53,10 @@ func WithGatewayDescriptor(descriptor *gatewayv1.GatewayInstanceDescriptor) Opti
 		}
 	}
 }
+
+// WithDiscoveryInvokeURI sets the invoke URI used when announcing the gateway.
+func WithDiscoveryInvokeURI(invokeURI string) Option {
+	return func(s *Service) {
+		s.invokeURI = strings.TrimSpace(invokeURI)
+	}
+}

api/gateway/mntx/internal/service/gateway/service.go

@@ -30,6 +30,7 @@ type Service struct {
 	card              *cardPayoutProcessor
 	gatewayDescriptor *gatewayv1.GatewayInstanceDescriptor
 	announcer         *discovery.Announcer
+	invokeURI         string
 
 	connectorv1.UnimplementedConnectorServiceServer
 }
@@ -145,7 +146,7 @@ func (s *Service) startDiscoveryAnnouncer() {
 		Service:    "CARD_PAYOUT_RAIL_GATEWAY",
 		Rail:       "CARD_PAYOUT",
 		Operations: []string{"payout.card"},
-		InvokeURI:  discovery.DefaultInvokeURI(string(mservice.MntxGateway)),
+		InvokeURI:  s.invokeURI,
 		Version:    appversion.Create().Short(),
 	}
 	if s.gatewayDescriptor != nil {

api/gateway/tgsettle/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50080"
+  advertise_host: "sendico_payment_gateway"
   enable_reflection: true
   enable_health: true
 

api/gateway/tgsettle/internal/server/internal/serverimp.go

@@ -85,11 +85,16 @@ func (i *Imp) Start() error {
 	}
 
 	serviceFactory := func(logger mlogger.Logger, repo storage.Repository, producer msg.Producer) (grpcapp.Service, error) {
+		invokeURI := ""
+		if cfg.GRPC != nil {
+			invokeURI = cfg.GRPC.DiscoveryInvokeURI()
+		}
 		gwCfg := gateway.Config{
 			Rail:            cfg.Gateway.Rail,
 			TargetChatIDEnv: cfg.Gateway.TargetChatIDEnv,
 			TimeoutSeconds:  cfg.Gateway.TimeoutSeconds,
 			AcceptedUserIDs: cfg.Gateway.AcceptedUserIDs,
+			InvokeURI:       invokeURI,
 		}
 		svc := gateway.NewService(logger, repo, producer, broker, gwCfg)
 		i.service = svc

api/gateway/tgsettle/internal/service/gateway/service.go

@@ -50,6 +50,7 @@ type Config struct {
 	TargetChatIDEnv string
 	TimeoutSeconds  int32
 	AcceptedUserIDs []string
+	InvokeURI       string
 }
 
 type Service struct {
@@ -61,6 +62,7 @@ type Service struct {
 	rail      string
 	chatID    string
 	announcer *discovery.Announcer
+	invokeURI string
 
 	mu        sync.Mutex
 	pending   map[string]*model.PaymentGatewayIntent
@@ -81,6 +83,7 @@ func NewService(logger mlogger.Logger, repo storage.Repository, producer msg.Pro
 		broker:   broker,
 		cfg:      cfg,
 		rail:     strings.TrimSpace(cfg.Rail),
+		invokeURI: strings.TrimSpace(cfg.InvokeURI),
 		pending:  map[string]*model.PaymentGatewayIntent{},
 	}
 	svc.chatID = strings.TrimSpace(readEnv(cfg.TargetChatIDEnv))
@@ -411,7 +414,7 @@ func (s *Service) startAnnouncer() {
 		Service:    string(mservice.PaymentGateway),
 		Rail:       s.rail,
 		Operations: caps,
-		InvokeURI:  discovery.DefaultInvokeURI(string(mservice.PaymentGateway)),
+		InvokeURI:  s.invokeURI,
 	}
 	s.announcer = discovery.NewAnnouncer(s.logger, s.producer, string(mservice.PaymentGateway), announce)
 	s.announcer.Start()

api/ledger/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50052"
+  advertise_host: "sendico_ledger"
   enable_reflection: true
   enable_health: true
 

api/ledger/internal/server/internal/serverimp.go

@@ -116,7 +116,11 @@ func (i *Imp) Start() error {
 	}
 
 	serviceFactory := func(logger mlogger.Logger, repo storage.Repository, producer msg.Producer) (grpcapp.Service, error) {
-		svc := ledger.NewService(logger, repo, producer, feesClient, feesTimeout)
+		invokeURI := ""
+		if cfg.GRPC != nil {
+			invokeURI = cfg.GRPC.DiscoveryInvokeURI()
+		}
+		svc := ledger.NewService(logger, repo, producer, feesClient, feesTimeout, invokeURI)
 		i.service = svc
 		return svc, nil
 	}

api/ledger/internal/service/ledger/service.go

@@ -44,6 +44,7 @@ type Service struct {
 	producer  pmessaging.Producer
 	fees      feesDependency
 	announcer *discovery.Announcer
+	invokeURI string
 
 	outbox struct {
 		once      sync.Once
@@ -61,14 +62,15 @@ func (f feesDependency) available() bool {
 	return f.client != nil
 }
 
-func NewService(logger mlogger.Logger, repo storage.Repository, prod pmessaging.Producer, feesClient feesv1.FeeEngineClient, feesTimeout time.Duration) *Service {
+func NewService(logger mlogger.Logger, repo storage.Repository, prod pmessaging.Producer, feesClient feesv1.FeeEngineClient, feesTimeout time.Duration, invokeURI string) *Service {
 	// Initialize Prometheus metrics
 	initMetrics()
 
 	service := &Service{
-		logger:   logger.Named("ledger"),
+		logger:    logger.Named("ledger"),
-		storage:  repo,
+		storage:   repo,
-		producer: prod,
+		producer:  prod,
+		invokeURI: strings.TrimSpace(invokeURI),
 		fees: feesDependency{
 			client:  feesClient,
 			timeout: feesTimeout,
@@ -204,7 +206,7 @@ func (s *Service) startDiscoveryAnnouncer() {
 	announce := discovery.Announcement{
 		Service:    "LEDGER",
 		Operations: []string{"balance.read", "ledger.debit", "ledger.credit"},
-		InvokeURI:  discovery.DefaultInvokeURI(string(mservice.Ledger)),
+		InvokeURI:  s.invokeURI,
 		Version:    appversion.Create().Short(),
 	}
 	s.announcer = discovery.NewAnnouncer(s.logger, s.producer, string(mservice.Ledger), announce)

api/payments/orchestrator/config.yml

@@ -4,6 +4,7 @@ runtime:
 grpc:
   network: tcp
   address: ":50062"
+  advertise_host: "sendico_payments_orchestrator"
   enable_reflection: true
   enable_health: true
 

api/payments/orchestrator/internal/server/internal/discovery.go

@@ -34,6 +34,7 @@ func (i *Imp) initDiscovery(cfg *config) {
 	announce := discovery.Announcement{
 		Service:    "PAYMENTS_ORCHESTRATOR",
 		Operations: []string{"payment.quote", "payment.initiate"},
+		InvokeURI:  cfg.GRPC.DiscoveryInvokeURI(),
 		Version:    appversion.Create().Short(),
 	}
 	i.discoveryAnnouncer = discovery.NewAnnouncer(i.logger, producer, string(mservice.PaymentOrchestrator), announce)

api/pkg/api/routers/internal/grpcimp/config.go

@@ -1,13 +1,24 @@
 package grpcimp
 
+import (
+	"fmt"
+	"net"
+	"os"
+	"strings"
+)
+
 type Config struct {
-	Network          string     `yaml:"network"`
+	Network            string     `yaml:"network"`
-	Address          string     `yaml:"address"`
+	Address            string     `yaml:"address"`
-	EnableReflection bool       `yaml:"enable_reflection"`
+	AdvertiseHost      string     `yaml:"advertise_host"`
-	EnableHealth     bool       `yaml:"enable_health"`
+	AdvertiseHostEnv   string     `yaml:"advertise_host_env"`
-	MaxRecvMsgSize   int        `yaml:"max_recv_msg_size"`
+	AdvertiseScheme    string     `yaml:"advertise_scheme"`
-	MaxSendMsgSize   int        `yaml:"max_send_msg_size"`
+	AdvertiseSchemeEnv string     `yaml:"advertise_scheme_env"`
-	TLS              *TLSConfig `yaml:"tls"`
+	EnableReflection   bool       `yaml:"enable_reflection"`
+	EnableHealth       bool       `yaml:"enable_health"`
+	MaxRecvMsgSize     int        `yaml:"max_recv_msg_size"`
+	MaxSendMsgSize     int        `yaml:"max_send_msg_size"`
+	TLS                *TLSConfig `yaml:"tls"`
 }
 
 type TLSConfig struct {
@@ -16,3 +27,65 @@ type TLSConfig struct {
 	CAFile            string `yaml:"ca_file"`
 	RequireClientCert bool   `yaml:"require_client_cert"`
 }
+
+// DiscoveryInvokeURI builds a discovery invoke URI from the gRPC config.
+func (c *Config) DiscoveryInvokeURI() string {
+	if c == nil {
+		return ""
+	}
+
+	address := strings.TrimSpace(c.Address)
+	addrHost, addrPort := splitHostPort(address)
+
+	host := strings.TrimSpace(c.AdvertiseHost)
+	if envKey := strings.TrimSpace(c.AdvertiseHostEnv); envKey != "" {
+		if value := strings.TrimSpace(os.Getenv(envKey)); value != "" {
+			host = value
+		}
+	}
+	if host != "" {
+		if parsedHost, parsedPort, err := net.SplitHostPort(host); err == nil && parsedPort != "" {
+			host = strings.TrimSpace(parsedHost)
+			addrPort = strings.TrimSpace(parsedPort)
+		}
+	}
+	if host == "" {
+		host = addrHost
+	}
+	if host == "" || host == "0.0.0.0" || host == "::" {
+		return ""
+	}
+	if addrPort == "" {
+		return ""
+	}
+
+	return fmt.Sprintf("%s://%s:%s", c.discoveryScheme(), host, addrPort)
+}
+
+func (c *Config) discoveryScheme() string {
+	scheme := strings.TrimSpace(c.AdvertiseScheme)
+	if envKey := strings.TrimSpace(c.AdvertiseSchemeEnv); envKey != "" {
+		if value := strings.TrimSpace(os.Getenv(envKey)); value != "" {
+			scheme = value
+		}
+	}
+	if scheme != "" {
+		return scheme
+	}
+	if c != nil && c.TLS != nil && strings.TrimSpace(c.TLS.CertFile) != "" && strings.TrimSpace(c.TLS.KeyFile) != "" {
+		return "grpcs"
+	}
+	return "grpc"
+}
+
+func splitHostPort(address string) (string, string) {
+	address = strings.TrimSpace(address)
+	if address == "" {
+		return "", ""
+	}
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return "", ""
+	}
+	return strings.TrimSpace(host), strings.TrimSpace(port)
+}

api/pkg/discovery/announcer.go

@@ -39,9 +39,6 @@ func NewAnnouncer(logger mlogger.Logger, producer msg.Producer, sender string, a
 	if announce.ID == "" {
 		announce.ID = DefaultEntryID(announce.Service)
 	}
-	if announce.InvokeURI == "" && announce.Service != "" {
-		announce.InvokeURI = DefaultInvokeURI(announce.Service)
-	}
 	return &Announcer{
 		logger:   logger,
 		producer: producer,