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main.go
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main.go
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// Copyright (c) 2015 Centrifugal
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package main
import (
"context"
"crypto/tls"
"encoding/json"
"errors"
"fmt"
stdlog "log"
"net"
"net/http"
"net/http/pprof"
"os"
"os/signal"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
"sync"
"syscall"
"time"
"github.com/centrifugal/centrifugo/v5/internal/redisnatsbroker"
"github.com/centrifugal/centrifugo/v5/internal/admin"
"github.com/centrifugal/centrifugo/v5/internal/api"
"github.com/centrifugal/centrifugo/v5/internal/build"
"github.com/centrifugal/centrifugo/v5/internal/cli"
"github.com/centrifugal/centrifugo/v5/internal/client"
"github.com/centrifugal/centrifugo/v5/internal/consuming"
"github.com/centrifugal/centrifugo/v5/internal/health"
"github.com/centrifugal/centrifugo/v5/internal/jwtutils"
"github.com/centrifugal/centrifugo/v5/internal/jwtverify"
"github.com/centrifugal/centrifugo/v5/internal/logutils"
"github.com/centrifugal/centrifugo/v5/internal/metrics/graphite"
"github.com/centrifugal/centrifugo/v5/internal/middleware"
"github.com/centrifugal/centrifugo/v5/internal/natsbroker"
"github.com/centrifugal/centrifugo/v5/internal/notify"
"github.com/centrifugal/centrifugo/v5/internal/origin"
"github.com/centrifugal/centrifugo/v5/internal/proxy"
"github.com/centrifugal/centrifugo/v5/internal/rule"
"github.com/centrifugal/centrifugo/v5/internal/service"
"github.com/centrifugal/centrifugo/v5/internal/survey"
"github.com/centrifugal/centrifugo/v5/internal/swaggerui"
"github.com/centrifugal/centrifugo/v5/internal/telemetry"
"github.com/centrifugal/centrifugo/v5/internal/tntengine"
"github.com/centrifugal/centrifugo/v5/internal/tools"
"github.com/centrifugal/centrifugo/v5/internal/unigrpc"
"github.com/centrifugal/centrifugo/v5/internal/unihttpstream"
"github.com/centrifugal/centrifugo/v5/internal/unisse"
"github.com/centrifugal/centrifugo/v5/internal/uniws"
"github.com/centrifugal/centrifugo/v5/internal/usage"
"github.com/centrifugal/centrifugo/v5/internal/webui"
"github.com/centrifugal/centrifugo/v5/internal/wt"
"github.com/FZambia/viper-lite"
"github.com/centrifugal/centrifuge"
"github.com/justinas/alice"
"github.com/mattn/go-isatty"
"github.com/mitchellh/mapstructure"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/quic-go/quic-go/http3"
"github.com/quic-go/webtransport-go"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
"go.uber.org/automaxprocs/maxprocs"
"golang.org/x/crypto/acme"
"golang.org/x/crypto/acme/autocert"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
_ "google.golang.org/grpc/encoding/gzip"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/reflection"
)
//go:generate go run internal/gen/api/main.go
var defaults = map[string]any{
"gomaxprocs": 0,
"name": "",
"engine": "memory",
"broker": "",
"pid_file": "",
"granular_proxy_mode": false,
"opentelemetry": false,
"opentelemetry_api": false,
"opentelemetry_consuming": false,
"client_insecure": false,
"client_insecure_skip_token_signature_verify": false,
"api_insecure": false,
"client_user_id_http_header": "",
"token_hmac_secret_key": "",
"token_rsa_public_key": "",
"token_ecdsa_public_key": "",
"token_jwks_public_endpoint": "",
"token_audience": "",
"token_audience_regex": "",
"token_issuer": "",
"token_issuer_regex": "",
"separate_subscription_token_config": false,
"subscription_token_hmac_secret_key": "",
"subscription_token_rsa_public_key": "",
"subscription_token_ecdsa_public_key": "",
"subscription_token_jwks_public_endpoint": "",
"subscription_token_audience": "",
"subscription_token_audience_regex": "",
"subscription_token_issuer": "",
"subscription_token_issuer_regex": "",
"allowed_origins": []string{},
"global_history_meta_ttl": 30 * 24 * time.Hour,
"global_presence_ttl": 60 * time.Second,
"global_redis_presence_user_mapping": false,
"presence": false,
"join_leave": false,
"force_push_join_leave": false,
"history_size": 0,
"history_ttl": 0,
"history_meta_ttl": 0,
"force_positioning": false,
"allow_positioning": false,
"force_recovery": false,
"allow_recovery": false,
"allow_subscribe_for_anonymous": false,
"allow_subscribe_for_client": false,
"allow_publish_for_anonymous": false,
"allow_publish_for_client": false,
"allow_publish_for_subscriber": false,
"allow_presence_for_anonymous": false,
"allow_presence_for_client": false,
"allow_presence_for_subscriber": false,
"allow_history_for_anonymous": false,
"allow_history_for_client": false,
"allow_history_for_subscriber": false,
"allow_user_limited_channels": false,
"channel_regex": "",
"proxy_subscribe": false,
"proxy_publish": false,
"proxy_sub_refresh": false,
"subscribe_proxy_name": "",
"publish_proxy_name": "",
"sub_refresh_proxy_name": "",
"node_info_metrics_aggregate_interval": 60 * time.Second,
"allow_anonymous_connect_without_token": false,
"disallow_anonymous_connection_tokens": false,
"client_expired_close_delay": 25 * time.Second,
"client_expired_sub_close_delay": 25 * time.Second,
"client_stale_close_delay": 10 * time.Second,
"client_channel_limit": 128,
"client_queue_max_size": 1048576, // 1 MB
"client_presence_update_interval": 27 * time.Second,
"client_user_connection_limit": 0,
"client_concurrency": 0,
"client_channel_position_check_delay": 40 * time.Second,
"client_connection_limit": 0,
"client_connection_rate_limit": 0,
"channel_max_length": 255,
"channel_private_prefix": "$",
"channel_namespace_boundary": ":",
"channel_user_boundary": "#",
"channel_user_separator": ",",
"rpc_namespace_boundary": ":",
"user_subscribe_to_personal": false,
"user_personal_channel_namespace": "",
"user_personal_single_connection": false,
"debug": false,
"prometheus": false,
"health": false,
"admin": false,
"admin_password": "",
"admin_secret": "",
"admin_insecure": false,
"admin_web_path": "",
"admin_web_proxy_address": "",
"sockjs": false,
"sockjs_url": "https://cdn.jsdelivr.net/npm/sockjs-client@1/dist/sockjs.min.js",
"websocket_compression": false,
"websocket_compression_min_size": 0,
"websocket_compression_level": 1,
"websocket_read_buffer_size": 0,
"websocket_use_write_buffer_pool": false,
"websocket_write_buffer_size": 0,
"websocket_write_timeout": time.Second,
"websocket_message_size_limit": 65536, // 64KB
"uni_websocket": false,
"uni_websocket_compression": false,
"uni_websocket_compression_min_size": 0,
"uni_websocket_compression_level": 1,
"uni_websocket_read_buffer_size": 0,
"uni_websocket_use_write_buffer_pool": false,
"uni_websocket_write_buffer_size": 0,
"uni_websocket_write_timeout": time.Second,
"uni_websocket_message_size_limit": 65536, // 64KB
"uni_sse": false,
"uni_http_stream": false,
"log_level": "info",
"log_file": "",
"tls": false,
"tls_key": "",
"tls_cert": "",
"tls_cert_pem": "",
"tls_key_pem": "",
"tls_root_ca": "",
"tls_root_ca_pem": "",
"tls_client_ca": "",
"tls_client_ca_pem": "",
"tls_server_name": "",
"tls_insecure_skip_verify": false,
"swagger": false,
"admin_external": false,
"api_external": false,
"address": "",
"port": "8000",
"internal_address": "",
"internal_port": "",
"webtransport": false,
"http3": false,
"tls_external": false,
"connect_proxy_name": "",
"refresh_proxy_name": "",
"rpc_proxy_name": "",
"proxy_connect_endpoint": "",
"proxy_refresh_endpoint": "",
"proxy_subscribe_endpoint": "",
"proxy_publish_endpoint": "",
"proxy_sub_refresh_endpoint": "",
"proxy_rpc_endpoint": "",
"proxy_subscribe_stream_endpoint": "",
"proxy_connect_timeout": time.Second,
"proxy_rpc_timeout": time.Second,
"proxy_refresh_timeout": time.Second,
"proxy_subscribe_timeout": time.Second,
"proxy_publish_timeout": time.Second,
"proxy_sub_refresh_timeout": time.Second,
"proxy_subscribe_stream_timeout": time.Second,
"proxy_grpc_metadata": []string{},
"proxy_http_headers": []string{},
"proxy_static_http_headers": map[string]string{},
"proxy_binary_encoding": false,
"proxy_include_connection_meta": false,
"proxy_grpc_cert_file": "",
"proxy_grpc_compression": false,
"tarantool_mode": "standalone",
"tarantool_address": "tcp://127.0.0.1:3301",
"tarantool_user": "",
"tarantool_password": "",
"api_key": "",
"api_error_mode": "",
"uni_http_stream_max_request_body_size": 65536, // 64KB
"uni_sse_max_request_body_size": 65536, // 64KB
"http_stream_max_request_body_size": 65536, // 64KB
"sse_max_request_body_size": 65536, // 64KB
"tls_autocert": false,
"tls_autocert_host_whitelist": "",
"tls_autocert_cache_dir": "",
"tls_autocert_email": "",
"tls_autocert_server_name": "",
"tls_autocert_http": false,
"tls_autocert_http_addr": ":80",
"grpc_api": false,
"grpc_api_error_mode": "",
"grpc_api_address": "",
"grpc_api_port": 10000,
"grpc_api_key": "",
"grpc_api_tls_disable": false,
"grpc_api_reflection": false,
"grpc_api_tls": false,
"grpc_api_tls_key": "",
"grpc_api_tls_cert": "",
"grpc_api_tls_cert_pem": "",
"grpc_api_tls_key_pem": "",
"grpc_api_tls_root_ca": "",
"grpc_api_tls_root_ca_pem": "",
"grpc_api_tls_client_ca": "",
"grpc_api_tls_client_ca_pem": "",
"grpc_api_tls_server_name": "",
"grpc_api_tls_insecure_skip_verify": false,
"shutdown_timeout": 30 * time.Second,
"shutdown_termination_delay": 0,
"graphite": false,
"graphite_host": "localhost",
"graphite_port": 2003,
"graphite_prefix": "centrifugo",
"graphite_interval": 10 * time.Second,
"graphite_tags": false,
"nats_prefix": "centrifugo",
"nats_url": "nats://127.0.0.1:4222",
"nats_dial_timeout": time.Second,
"nats_write_timeout": time.Second,
"websocket_disable": false,
"api_disable": false,
"websocket_handler_prefix": "/connection/websocket",
"webtransport_handler_prefix": "/connection/webtransport",
"sockjs_handler_prefix": "/connection/sockjs",
"http_stream_handler_prefix": "/connection/http_stream",
"sse_handler_prefix": "/connection/sse",
"uni_websocket_handler_prefix": "/connection/uni_websocket",
"uni_sse_handler_prefix": "/connection/uni_sse",
"uni_http_stream_handler_prefix": "/connection/uni_http_stream",
"uni_grpc": false,
"uni_grpc_address": "",
"uni_grpc_port": 11000,
"uni_grpc_max_receive_message_size": 65536,
"uni_grpc_tls_disable": false,
"uni_grpc_tls": false,
"uni_grpc_tls_key": "",
"uni_grpc_tls_cert": "",
"uni_grpc_tls_cert_pem": "",
"uni_grpc_tls_key_pem": "",
"uni_grpc_tls_root_ca": "",
"uni_grpc_tls_root_ca_pem": "",
"uni_grpc_tls_client_ca": "",
"uni_grpc_tls_client_ca_pem": "",
"uni_grpc_tls_server_name": "",
"uni_grpc_tls_insecure_skip_verify": false,
"http_stream": false,
"sse": false,
"emulation_handler_prefix": "/emulation",
"emulation_max_request_body_size": 65536, // 64KB
"admin_handler_prefix": "",
"api_handler_prefix": "/api",
"prometheus_handler_prefix": "/metrics",
"health_handler_prefix": "/health",
"swagger_handler_prefix": "/swagger",
"client_history_max_publication_limit": 300,
"client_recovery_max_publication_limit": 300,
"usage_stats_disable": false,
"ping_interval": 25 * time.Second,
"pong_timeout": 8 * time.Second,
"namespaces": []any{},
"rpc_namespaces": []any{},
"proxies": []any{},
"proxy_grpc_credentials_key": "",
"proxy_grpc_credentials_value": "",
"enable_unreleased_features": false,
"consumers": []any{},
}
func init() {
redisConfigPrefixes := []string{
"",
}
for _, prefix := range redisConfigPrefixes {
keyMap := map[string]any{
prefix + "redis_address": "redis://127.0.0.1:6379",
prefix + "redis_prefix": "centrifugo",
prefix + "redis_connect_timeout": time.Second,
prefix + "redis_io_timeout": 4 * time.Second,
prefix + "redis_use_lists": false,
prefix + "redis_db": 0,
prefix + "redis_user": "",
prefix + "redis_password": "",
prefix + "redis_client_name": "",
prefix + "redis_force_resp2": false,
prefix + "redis_cluster_address": []string{},
prefix + "redis_sentinel_address": []string{},
prefix + "redis_sentinel_user": "",
prefix + "redis_sentinel_password": "",
prefix + "redis_sentinel_master_name": "",
prefix + "redis_sentinel_client_name": "",
prefix + "redis_tls": false,
prefix + "redis_tls_key": "",
prefix + "redis_tls_cert": "",
prefix + "redis_tls_cert_pem": "",
prefix + "redis_tls_key_pem": "",
prefix + "redis_tls_root_ca": "",
prefix + "redis_tls_root_ca_pem": "",
prefix + "redis_tls_client_ca": "",
prefix + "redis_tls_client_ca_pem": "",
prefix + "redis_tls_server_name": "",
prefix + "redis_tls_insecure_skip_verify": false,
prefix + "redis_sentinel_tls": false,
prefix + "redis_sentinel_tls_key": "",
prefix + "redis_sentinel_tls_cert": "",
prefix + "redis_sentinel_tls_cert_pem": "",
prefix + "redis_sentinel_tls_key_pem": "",
prefix + "redis_sentinel_tls_root_ca": "",
prefix + "redis_sentinel_tls_root_ca_pem": "",
prefix + "redis_sentinel_tls_client_ca": "",
prefix + "redis_sentinel_tls_client_ca_pem": "",
prefix + "redis_sentinel_tls_server_name": "",
prefix + "redis_sentinel_tls_insecure_skip_verify": false,
}
for k, v := range keyMap {
defaults[k] = v
}
}
}
func bindCentrifugoConfig() {
viper.SetEnvPrefix("centrifugo")
for k, v := range defaults {
viper.SetDefault(k, v)
}
replacer := strings.NewReplacer(".", "_")
viper.SetEnvKeyReplacer(replacer)
viper.AutomaticEnv()
}
const edition = "oss"
const transportErrorMode = "transport"
func main() {
var configFile string
var rootCmd = &cobra.Command{
Use: "",
Short: "Centrifugo",
Long: "Centrifugo – scalable real-time messaging server in language-agnostic way",
Run: func(cmd *cobra.Command, args []string) {
bindCentrifugoConfig()
bindPFlags := []string{
"engine", "log_level", "log_file", "pid_file", "debug", "name", "admin",
"admin_external", "client_insecure", "admin_insecure", "api_insecure", "api_external",
"port", "address", "tls", "tls_cert", "tls_key", "tls_external", "internal_port",
"internal_address", "prometheus", "health", "redis_address", "tarantool_address",
"broker", "nats_url", "grpc_api", "grpc_api_tls", "grpc_api_tls_disable",
"grpc_api_tls_cert", "grpc_api_tls_key", "grpc_api_port", "sockjs", "uni_grpc",
"uni_grpc_port", "uni_websocket", "uni_sse", "uni_http_stream", "sse", "http_stream",
"swagger",
}
for _, flag := range bindPFlags {
_ = viper.BindPFlag(flag, cmd.Flags().Lookup(flag))
}
viper.SetConfigFile(configFile)
absConfPath, err := filepath.Abs(configFile)
if err != nil {
log.Fatal().Msgf("error retrieving config file absolute path: %v", err)
}
err = viper.ReadInConfig()
configFound := true
if err != nil {
var configParseError viper.ConfigParseError
switch {
case errors.As(err, &configParseError):
log.Fatal().Msg(tools.ErrorMessageFromConfigError(err, absConfPath))
default:
configFound = false
}
}
file := setupLogging()
if file != nil {
defer func() { _ = file.Close() }()
}
err = writePidFile(viper.GetString("pid_file"))
if err != nil {
log.Fatal().Msgf("error writing PID: %v", err)
}
if os.Getenv("GOMAXPROCS") == "" {
if viper.IsSet("gomaxprocs") && viper.GetInt("gomaxprocs") > 0 {
runtime.GOMAXPROCS(viper.GetInt("gomaxprocs"))
} else {
_, _ = maxprocs.Set()
}
}
engineName := viper.GetString("engine")
log.Info().
Str("version", build.Version).
Str("runtime", runtime.Version()).
Int("pid", os.Getpid()).
Str("engine", engineName).
Int("gomaxprocs", runtime.GOMAXPROCS(0)).Msg("starting Centrifugo")
log.Info().Str("path", absConfPath).Msg("using config file")
ruleConfig := ruleConfig()
err = ruleConfig.Validate()
if err != nil {
log.Fatal().Msgf("error validating config: %v", err)
}
ruleContainer, err := rule.NewContainer(ruleConfig)
if err != nil {
log.Fatal().Msgf("error creating config: %v", err)
}
ruleContainer.ChannelOptionsCacheTTL = 200 * time.Millisecond
granularProxyMode := viper.GetBool("granular_proxy_mode")
var proxyMap *client.ProxyMap
var proxyEnabled bool
if granularProxyMode {
proxyMap, proxyEnabled = granularProxyMapConfig(ruleConfig)
log.Info().Msg("using granular proxy configuration")
} else {
proxyMap, proxyEnabled = proxyMapConfig()
}
nodeCfg := nodeConfig(build.Version)
node, err := centrifuge.New(nodeCfg)
if err != nil {
log.Fatal().Msgf("error creating Centrifuge Node: %v", err)
}
if viper.GetBool("opentelemetry") {
_, err := telemetry.SetupTracing(context.Background())
if err != nil {
log.Fatal().Msgf("error setting up opentelemetry tracing: %v", err)
}
}
brokerName := viper.GetString("broker")
if brokerName != "" && brokerName != "nats" {
log.Fatal().Msgf("unknown broker: %s", brokerName)
}
var broker centrifuge.Broker
var presenceManager centrifuge.PresenceManager
var engineMode string
if engineName == "memory" {
broker, presenceManager, engineMode, err = memoryEngine(node)
} else if engineName == "redis" {
broker, presenceManager, engineMode, err = redisEngine(node)
} else if engineName == "tarantool" {
broker, presenceManager, engineMode, err = tarantoolEngine(node)
} else if engineName == "redisnats" {
if !viper.GetBool("enable_unreleased_features") {
log.Fatal().Msg("redisnats engine requires enable_unreleased_features on")
}
log.Warn().Msg("redisnats engine is not released, it may be changed or removed at any point")
var natsBroker *natsbroker.NatsBroker
var redisBroker *centrifuge.RedisBroker
redisBroker, presenceManager, engineMode, err = redisEngine(node)
if err != nil {
log.Fatal().Msgf("error creating redis engine: %v", err)
}
natsBroker, err = initNatsBroker(node)
if err != nil {
log.Fatal().Msgf("error creating nats broker: %v", err)
}
broker, err = redisnatsbroker.New(natsBroker, redisBroker)
} else {
log.Fatal().Msgf("unknown engine: %s", engineName)
}
if err != nil {
log.Fatal().Msgf("error creating engine: %v", err)
}
node.SetBroker(broker)
node.SetPresenceManager(presenceManager)
if !configFound {
log.Warn().Msg("config file not found")
}
var disableHistoryPresence bool
if engineName == "memory" && brokerName == "nats" {
// Presence and History won't work with Memory engine in distributed case.
disableHistoryPresence = true
node.SetPresenceManager(nil)
}
if disableHistoryPresence {
log.Warn().Msgf("presence, history and recovery disabled with Memory engine and Nats broker")
}
if brokerName == "nats" {
broker, err = initNatsBroker(node)
if err != nil {
log.Fatal().Msgf("error creating broker: %v", err)
}
node.SetBroker(broker)
}
tokenVerifier, err := jwtverify.NewTokenVerifierJWT(jwtVerifierConfig(), ruleContainer)
if err != nil {
log.Fatal().Msgf("error creating token verifier: %v", err)
}
var subTokenVerifier *jwtverify.VerifierJWT
if viper.GetBool("separate_subscription_token_config") {
log.Info().Msg("initializing separate verifier for subscription tokens")
var err error
subTokenVerifier, err = jwtverify.NewTokenVerifierJWT(subJWTVerifierConfig(), ruleContainer)
if err != nil {
log.Fatal().Msgf("error creating token verifier: %v", err)
}
}
clientHandler := client.NewHandler(node, ruleContainer, tokenVerifier, subTokenVerifier, proxyMap, granularProxyMode)
err = clientHandler.Setup()
if err != nil {
log.Fatal().Msgf("error setting up client handler: %v", err)
}
surveyCaller := survey.NewCaller(node)
useAPIOpentelemetry := viper.GetBool("opentelemetry") && viper.GetBool("opentelemetry_api")
useConsumingOpentelemetry := viper.GetBool("opentelemetry") && viper.GetBool("opentelemetry_consuming")
httpAPIExecutor := api.NewExecutor(node, ruleContainer, surveyCaller, api.ExecutorConfig{
Protocol: "http",
UseOpenTelemetry: useAPIOpentelemetry,
})
grpcAPIExecutor := api.NewExecutor(node, ruleContainer, surveyCaller, api.ExecutorConfig{
Protocol: "grpc",
UseOpenTelemetry: useAPIOpentelemetry,
})
consumingAPIExecutor := api.NewExecutor(node, ruleContainer, surveyCaller, api.ExecutorConfig{
Protocol: "consuming",
UseOpenTelemetry: useConsumingOpentelemetry,
})
var services []service.Service
consumingHandler := api.NewConsumingHandler(node, consumingAPIExecutor, api.ConsumingHandlerConfig{
UseOpenTelemetry: useConsumingOpentelemetry,
})
consumers := consumersFromConfig(viper.GetViper())
consumingServices, err := consuming.New(node.ID(), node, consumingHandler, consumers)
if err != nil {
log.Fatal().Msgf("error initializing consumers: %v", err)
}
services = append(services, consumingServices...)
if err = node.Run(); err != nil {
log.Fatal().Msgf("error running node: %v", err)
}
if viper.GetBool("client_insecure") {
log.Warn().Msg("INSECURE client mode enabled, make sure you understand risks")
}
if viper.GetBool("api_insecure") {
log.Warn().Msg("INSECURE API mode enabled, make sure you understand risks")
}
if viper.GetBool("admin_insecure") {
log.Warn().Msg("INSECURE admin mode enabled, make sure you understand risks")
}
if viper.GetBool("debug") {
log.Warn().Msg("DEBUG mode enabled, see /debug/pprof")
}
var grpcAPIServer *grpc.Server
var grpcAPIAddr string
if viper.GetBool("grpc_api") {
grpcAPIAddr = net.JoinHostPort(viper.GetString("grpc_api_address"), viper.GetString("grpc_api_port"))
grpcAPIConn, err := net.Listen("tcp", grpcAPIAddr)
if err != nil {
log.Fatal().Msgf("cannot listen to address %s", grpcAPIAddr)
}
var grpcOpts []grpc.ServerOption
var tlsConfig *tls.Config
var tlsErr error
if viper.GetString("grpc_api_key") != "" {
grpcOpts = append(grpcOpts, api.GRPCKeyAuth(viper.GetString("grpc_api_key")))
}
if viper.GetBool("grpc_api_tls") {
tlsConfig, tlsErr = tlsConfigForGRPC()
} else if !viper.GetBool("grpc_api_tls_disable") {
tlsConfig, tlsErr = getTLSConfig()
}
if tlsErr != nil {
log.Fatal().Msgf("error getting TLS config: %v", tlsErr)
}
if tlsConfig != nil {
grpcOpts = append(grpcOpts, grpc.Creds(credentials.NewTLS(tlsConfig)))
}
if useAPIOpentelemetry {
grpcOpts = append(grpcOpts, grpc.StatsHandler(otelgrpc.NewServerHandler()))
}
grpcErrorMode, err := tools.OptionalStringChoice(viper.GetViper(), "grpc_api_error_mode", []string{transportErrorMode})
if err != nil {
log.Fatal().Msgf("error in config: %v", err)
}
grpcAPIServer = grpc.NewServer(grpcOpts...)
_ = api.RegisterGRPCServerAPI(node, grpcAPIExecutor, grpcAPIServer, api.GRPCAPIServiceConfig{
UseOpenTelemetry: useAPIOpentelemetry,
UseTransportErrorMode: grpcErrorMode == transportErrorMode,
})
if viper.GetBool("grpc_api_reflection") {
reflection.Register(grpcAPIServer)
}
go func() {
if err := grpcAPIServer.Serve(grpcAPIConn); err != nil {
log.Fatal().Msgf("serve GRPC API: %v", err)
}
}()
}
if grpcAPIServer != nil {
log.Info().Msgf("serving GRPC API service on %s", grpcAPIAddr)
}
var grpcUniServer *grpc.Server
var grpcUniAddr string
if viper.GetBool("uni_grpc") {
grpcUniAddr = net.JoinHostPort(viper.GetString("uni_grpc_address"), viper.GetString("uni_grpc_port"))
grpcUniConn, err := net.Listen("tcp", grpcUniAddr)
if err != nil {
log.Fatal().Msgf("cannot listen to address %s", grpcUniAddr)
}
var grpcOpts []grpc.ServerOption
//nolint:staticcheck
//goland:noinspection GoDeprecation
grpcOpts = append(grpcOpts, grpc.CustomCodec(&unigrpc.RawCodec{}), grpc.MaxRecvMsgSize(viper.GetInt("uni_grpc_max_receive_message_size")))
var tlsConfig *tls.Config
var tlsErr error
if viper.GetBool("uni_grpc_tls") {
tlsConfig, tlsErr = tlsConfigForUniGRPC()
} else if !viper.GetBool("uni_grpc_tls_disable") {
tlsConfig, tlsErr = getTLSConfig()
}
if tlsErr != nil {
log.Fatal().Msgf("error getting TLS config: %v", tlsErr)
}
if tlsConfig != nil {
grpcOpts = append(grpcOpts, grpc.Creds(credentials.NewTLS(tlsConfig)))
}
keepAliveEnforcementPolicy := keepalive.EnforcementPolicy{
MinTime: 5 * time.Second,
}
keepAliveServerParams := keepalive.ServerParameters{
Time: 25 * time.Second,
Timeout: 5 * time.Second,
}
grpcOpts = append(grpcOpts, grpc.KeepaliveEnforcementPolicy(keepAliveEnforcementPolicy))
grpcOpts = append(grpcOpts, grpc.KeepaliveParams(keepAliveServerParams))
grpcUniServer = grpc.NewServer(grpcOpts...)
_ = unigrpc.RegisterService(grpcUniServer, unigrpc.NewService(node, uniGRPCHandlerConfig()))
go func() {
if err := grpcUniServer.Serve(grpcUniConn); err != nil {
log.Fatal().Msgf("serve uni GRPC: %v", err)
}
}()
}
if grpcUniServer != nil {
log.Info().Msgf("serving unidirectional GRPC on %s", grpcUniAddr)
}
keepHeadersInContext := proxyEnabled
httpServers, err := runHTTPServers(node, ruleContainer, httpAPIExecutor, keepHeadersInContext)
if err != nil {
log.Fatal().Msgf("error running HTTP server: %v", err)
}
var exporter *graphite.Exporter
if viper.GetBool("graphite") {
exporter = graphite.New(graphite.Config{
Address: net.JoinHostPort(viper.GetString("graphite_host"), strconv.Itoa(viper.GetInt("graphite_port"))),
Gatherer: prometheus.DefaultGatherer,
Prefix: strings.TrimSuffix(viper.GetString("graphite_prefix"), ".") + "." + graphite.PreparePathComponent(nodeCfg.Name),
Interval: GetDuration("graphite_interval"),
Tags: viper.GetBool("graphite_tags"),
})
services = append(services, exporter)
}
var statsSender *usage.Sender
if !viper.GetBool("usage_stats_disable") {
statsSender = usage.NewSender(node, ruleContainer, usage.Features{
Edition: edition,
Version: build.Version,
Engine: engineName,
EngineMode: engineMode,
Broker: brokerName,
BrokerMode: "",
Websocket: !viper.GetBool("websocket_disable"),
HTTPStream: viper.GetBool("http_stream"),
SSE: viper.GetBool("sse"),
SockJS: viper.GetBool("sockjs"),
UniWebsocket: viper.GetBool("uni_websocket"),
UniHTTPStream: viper.GetBool("uni_http_stream"),
UniSSE: viper.GetBool("uni_sse"),
UniGRPC: viper.GetBool("uni_grpc"),
EnabledConsumers: usage.GetEnabledConsumers(consumers),
GrpcAPI: viper.GetBool("grpc_api"),
SubscribeToPersonal: viper.GetBool("user_subscribe_to_personal"),
Admin: viper.GetBool("admin"),
ConnectProxy: proxyMap.ConnectProxy != nil,
RefreshProxy: proxyMap.RefreshProxy != nil,
SubscribeProxy: len(proxyMap.SubscribeProxies) > 0,
PublishProxy: len(proxyMap.PublishProxies) > 0,
RPCProxy: len(proxyMap.RpcProxies) > 0,
SubRefreshProxy: len(proxyMap.SubRefreshProxies) > 0,
SubscribeStreamProxy: len(proxyMap.SubscribeStreamProxies) > 0,
ClickhouseAnalytics: false,
UserStatus: false,
Throttling: false,
Singleflight: false,
})
services = append(services, statsSender)
}
notify.RegisterHandlers(node, statsSender)
tools.CheckPlainConfigKeys(defaults, viper.AllKeys())
var serviceGroup *errgroup.Group
serviceCancel := func() {}
if len(services) > 0 {
var serviceCtx context.Context
serviceCtx, serviceCancel = context.WithCancel(context.Background())
serviceGroup, serviceCtx = errgroup.WithContext(serviceCtx)
for _, s := range services {
s := s
serviceGroup.Go(func() error {
return s.Run(serviceCtx)
})
}
}
handleSignals(
configFile, node, ruleContainer, tokenVerifier, subTokenVerifier,
httpServers, grpcAPIServer, grpcUniServer,
serviceGroup, serviceCancel,
)
},
}
rootCmd.Flags().StringVarP(&configFile, "config", "c", "config.json", "path to config file")
rootCmd.Flags().StringP("engine", "e", "memory", "engine to use: memory or redis")
rootCmd.Flags().StringP("broker", "", "", "custom broker to use: ex. nats")
rootCmd.Flags().StringP("log_level", "", "info", "set the log level: trace, debug, info, error, fatal or none")
rootCmd.Flags().StringP("log_file", "", "", "optional log file - if not specified logs go to STDOUT")
rootCmd.Flags().StringP("pid_file", "", "", "optional path to create PID file")
rootCmd.Flags().StringP("name", "n", "", "unique node name")
rootCmd.Flags().BoolP("debug", "", false, "enable debug endpoints")
rootCmd.Flags().BoolP("admin", "", false, "enable admin web interface")
rootCmd.Flags().BoolP("admin_external", "", false, "expose admin web interface on external port")
rootCmd.Flags().BoolP("prometheus", "", false, "enable Prometheus metrics endpoint")
rootCmd.Flags().BoolP("swagger", "", false, "enable Swagger UI endpoint describing server HTTP API")
rootCmd.Flags().BoolP("health", "", false, "enable health check endpoint")
rootCmd.Flags().BoolP("sockjs", "", false, "enable SockJS endpoint")
rootCmd.Flags().BoolP("uni_websocket", "", false, "enable unidirectional websocket endpoint")
rootCmd.Flags().BoolP("uni_sse", "", false, "enable unidirectional SSE (EventSource) endpoint")
rootCmd.Flags().BoolP("uni_http_stream", "", false, "enable unidirectional HTTP-streaming endpoint")
rootCmd.Flags().BoolP("sse", "", false, "enable bidirectional SSE (EventSource) endpoint (with emulation layer)")
rootCmd.Flags().BoolP("http_stream", "", false, "enable bidirectional HTTP-streaming endpoint (with emulation layer)")
rootCmd.Flags().BoolP("client_insecure", "", false, "start in insecure client mode")
rootCmd.Flags().BoolP("api_insecure", "", false, "use insecure API mode")
rootCmd.Flags().BoolP("api_external", "", false, "expose API handler on external port")
rootCmd.Flags().BoolP("admin_insecure", "", false, "use insecure admin mode – no auth required for admin socket")
rootCmd.Flags().StringP("address", "a", "", "interface address to listen on")
rootCmd.Flags().StringP("port", "p", "8000", "port to bind HTTP server to")
rootCmd.Flags().StringP("internal_address", "", "", "custom interface address to listen on for internal endpoints")
rootCmd.Flags().StringP("internal_port", "", "", "custom port for internal endpoints")
rootCmd.Flags().BoolP("tls", "", false, "enable TLS, requires an X509 certificate and a key file")
rootCmd.Flags().StringP("tls_cert", "", "", "path to an X509 certificate file")
rootCmd.Flags().StringP("tls_key", "", "", "path to an X509 certificate key")
rootCmd.Flags().BoolP("tls_external", "", false, "enable TLS only for external endpoints")
rootCmd.Flags().BoolP("grpc_api", "", false, "enable GRPC API server")
rootCmd.Flags().IntP("grpc_api_port", "", 10000, "port to bind GRPC API server to")
rootCmd.Flags().BoolP("grpc_api_tls", "", false, "enable TLS for GRPC API server, requires an X509 certificate and a key file")
rootCmd.Flags().StringP("grpc_api_tls_cert", "", "", "path to an X509 certificate file for GRPC API server")
rootCmd.Flags().StringP("grpc_api_tls_key", "", "", "path to an X509 certificate key for GRPC API server")
rootCmd.Flags().BoolP("grpc_api_tls_disable", "", false, "disable general TLS for GRPC API server")
rootCmd.Flags().BoolP("uni_grpc", "", false, "enable unidirectional GRPC endpoint")
rootCmd.Flags().IntP("uni_grpc_port", "", 11000, "port to bind unidirectional GRPC server to")
rootCmd.Flags().StringP("redis_address", "", "redis://127.0.0.1:6379", "Redis connection address (Redis engine)")
rootCmd.Flags().StringP("tarantool_address", "", "tcp://127.0.0.1:3301", "Tarantool connection address (Tarantool engine)")
rootCmd.Flags().StringP("nats_url", "", "nats://127.0.0.1:4222", "Nats connection URL in format nats://user:pass@localhost:4222 (Nats broker)")
var versionCmd = &cobra.Command{
Use: "version",
Short: "Centrifugo version information",
Long: `Print the version information of Centrifugo`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Printf("Centrifugo v%s (Go version: %s)\n", build.Version, runtime.Version())
},
}
var checkConfigFile string
var checkConfigCmd = &cobra.Command{
Use: "checkconfig",
Short: "Check configuration file",
Long: `Check Centrifugo configuration file`,
Run: func(cmd *cobra.Command, args []string) {
bindCentrifugoConfig()
err := validateConfig(checkConfigFile)
if err != nil {
fmt.Printf("%s\n", tools.ErrorMessageFromConfigError(err, checkConfigFile))
os.Exit(1)
}
},
}
checkConfigCmd.Flags().StringVarP(&checkConfigFile, "config", "c", "config.json", "path to config file to check")
var outputConfigFile string
var genConfigCmd = &cobra.Command{
Use: "genconfig",
Short: "Generate minimal configuration file to start with",
Long: `Generate minimal configuration file to start with`,
Run: func(cmd *cobra.Command, args []string) {
err := tools.GenerateConfig(outputConfigFile)
if err != nil {
fmt.Printf("error: %v\n", err)
os.Exit(1)
}
bindCentrifugoConfig()
err = validateConfig(outputConfigFile)
if err != nil {
_ = os.Remove(outputConfigFile)
fmt.Printf("error: %v\n", err)
os.Exit(1)
}
},
}
genConfigCmd.Flags().StringVarP(&outputConfigFile, "config", "c", "config.json", "path to output config file")
var genTokenConfigFile string