forked from brocaar/chirpstack-network-server
/
root_run.go
374 lines (321 loc) · 10 KB
/
root_run.go
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package cmd
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"os"
"os/signal"
"runtime/pprof"
"syscall"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"google.golang.org/grpc"
"google.golang.org/grpc/balancer/roundrobin"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/resolver"
"github.com/ibrahimozekici/chirpstack-api/go/v5/nc"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/adr"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/api/ns"
roamingapi "github.com/ibrahimozekici/chirpstack-network-server/v3/internal/api/roaming"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/applicationserver"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/controller"
gwbackend "github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/gateway"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/gateway/amqp"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/gateway/azureiothub"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/gateway/gcppubsub"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/gateway/mqtt"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/backend/joinserver"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/band"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/config"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/downlink"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/gateway"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/monitoring"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/roaming"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/storage"
"github.com/ibrahimozekici/chirpstack-network-server/v3/internal/uplink"
)
func run(cmd *cobra.Command, args []string) error {
var server = new(uplink.Server)
if cpuprofile != "" {
f, err := os.Create(cpuprofile)
if err != nil {
return errors.Wrap(err, "could not create cpu profile file")
}
defer f.Close()
if err := pprof.StartCPUProfile(f); err != nil {
return errors.Wrap(err, "could not start cpu profile")
}
defer pprof.StopCPUProfile()
}
tasks := []func() error{
setLogLevel,
setSyslog,
setGRPCResolver,
setupBand,
setRXParameters,
printStartMessage,
setupMonitoring,
enableUplinkChannels,
setupStorage,
setGatewayBackend,
setupApplicationServer,
setupADR,
setupJoinServer,
setupNetworkController,
setupUplink,
setupDownlink,
setupNetworkServerAPI,
setupRoaming,
setupGateways,
startLoRaServer(server),
startQueueScheduler,
}
for _, t := range tasks {
if err := t(); err != nil {
log.Fatal(err)
}
}
sigChan := make(chan os.Signal, 1)
exitChan := make(chan struct{})
signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
log.WithField("signal", <-sigChan).Info("signal received")
go func() {
log.Warning("stopping chirpstack-network-server")
if err := server.Stop(); err != nil {
log.Fatal(err)
}
if err := gateway.Stop(); err != nil {
log.Fatal(err)
}
exitChan <- struct{}{}
}()
select {
case <-exitChan:
case s := <-sigChan:
log.WithField("signal", s).Info("signal received, stopping immediately")
}
return nil
}
func setGRPCResolver() error {
resolver.SetDefaultScheme(config.C.General.GRPCDefaultResolverScheme)
return nil
}
func setupBand() error {
if err := band.Setup(config.C); err != nil {
return errors.Wrap(err, "setup band error")
}
return nil
}
func setRXParameters() error {
defaults := band.Band().GetDefaults()
if config.C.NetworkServer.NetworkSettings.RX2DR == -1 {
config.C.NetworkServer.NetworkSettings.RX2DR = defaults.RX2DataRate
}
if config.C.NetworkServer.NetworkSettings.RX2Frequency == -1 {
config.C.NetworkServer.NetworkSettings.RX2Frequency = int64(defaults.RX2Frequency)
}
return nil
}
// TODO: cleanup and put in Setup functions.
func setupMonitoring() error {
// setup timezone
var err error
if config.C.Metrics.Timezone == "" {
err = storage.SetTimeLocation(config.C.NetworkServer.Gateway.Stats.Timezone)
} else {
err = storage.SetTimeLocation(config.C.Metrics.Timezone)
}
if err != nil {
return errors.Wrap(err, "set time location error")
}
if err := monitoring.Setup(config.C); err != nil {
return errors.Wrap(err, "setup metrics error")
}
return nil
}
func setLogLevel() error {
log.SetLevel(log.Level(uint8(config.C.General.LogLevel)))
return nil
}
func printStartMessage() error {
log.WithFields(log.Fields{
"version": version,
"net_id": config.C.NetworkServer.NetID.String(),
"band": config.C.NetworkServer.Band.Name,
"docs": "https://www.chirpstack.io/",
}).Info("starting ChirpStack Network Server")
return nil
}
func enableUplinkChannels() error {
if len(config.C.NetworkServer.NetworkSettings.EnabledUplinkChannels) == 0 {
return nil
}
log.Info("disabling all channels")
for _, c := range band.Band().GetEnabledUplinkChannelIndices() {
if err := band.Band().DisableUplinkChannelIndex(c); err != nil {
return errors.Wrap(err, "disable uplink channel error")
}
}
log.WithField("channels", config.C.NetworkServer.NetworkSettings.EnabledUplinkChannels).Info("enabling channels")
for _, c := range config.C.NetworkServer.NetworkSettings.EnabledUplinkChannels {
if err := band.Band().EnableUplinkChannelIndex(c); err != nil {
return errors.Wrap(err, "enable uplink channel error")
}
}
return nil
}
func setupStorage() error {
if err := storage.Setup(config.C); err != nil {
return errors.Wrap(err, "setup storage error")
}
return nil
}
func setupADR() error {
if err := adr.Setup(config.C); err != nil {
return errors.Wrap(err, "setup adr error")
}
return nil
}
func setGatewayBackend() error {
var err error
var gw gwbackend.Gateway
switch config.C.NetworkServer.Gateway.Backend.Type {
case "mqtt":
gw, err = mqtt.NewBackend(
config.C,
)
case "amqp":
gw, err = amqp.NewBackend(config.C)
case "gcp_pub_sub":
gw, err = gcppubsub.NewBackend(config.C)
case "azure_iot_hub":
gw, err = azureiothub.NewBackend(config.C)
default:
return fmt.Errorf("unexpected gateway backend type: %s", config.C.NetworkServer.Gateway.Backend.Type)
}
if err != nil {
return errors.Wrap(err, "gateway-backend setup failed")
}
gwbackend.SetBackend(gw)
return nil
}
func setupApplicationServer() error {
if err := applicationserver.Setup(); err != nil {
return errors.Wrap(err, "application-server setup error")
}
return nil
}
func setupJoinServer() error {
if err := joinserver.Setup(config.C); err != nil {
return errors.Wrap(err, "setup join-server backend error")
}
return nil
}
func setupNetworkController() error {
// TODO: move this logic to controller.Setup function
if config.C.NetworkController.Server != "" {
// setup network-controller client
log.WithFields(log.Fields{
"server": config.C.NetworkController.Server,
"ca-cert": config.C.NetworkController.CACert,
"tls-cert": config.C.NetworkController.TLSCert,
"tls-key": config.C.NetworkController.TLSKey,
}).Info("connecting to network-controller")
ncDialOptions := []grpc.DialOption{
grpc.WithBalancerName(roundrobin.Name),
}
if config.C.NetworkController.TLSCert != "" && config.C.NetworkController.TLSKey != "" {
ncDialOptions = append(ncDialOptions, grpc.WithTransportCredentials(
mustGetTransportCredentials(config.C.NetworkController.TLSCert, config.C.NetworkController.TLSKey, config.C.NetworkController.CACert, false),
))
} else {
ncDialOptions = append(ncDialOptions, grpc.WithInsecure())
}
ncConn, err := grpc.Dial(config.C.NetworkController.Server, ncDialOptions...)
if err != nil {
return errors.Wrap(err, "network-controller dial error")
}
ncClient := nc.NewNetworkControllerServiceClient(ncConn)
controller.SetClient(ncClient)
}
return nil
}
func setupUplink() error {
if err := uplink.Setup(config.C); err != nil {
return errors.Wrap(err, "setup link error")
}
return nil
}
func setupDownlink() error {
if err := downlink.Setup(config.C); err != nil {
return errors.Wrap(err, "setup downlink error")
}
return nil
}
func setupNetworkServerAPI() error {
if err := ns.Setup(config.C); err != nil {
return errors.Wrap(err, "setup network-server api error")
}
return nil
}
func setupRoaming() error {
if err := roamingapi.Setup(config.C); err != nil {
return errors.Wrap(err, "setup roaming api error")
}
if err := roaming.Setup(config.C); err != nil {
return errors.Wrap(err, "setup roaming error")
}
return nil
}
func startLoRaServer(server *uplink.Server) func() error {
return func() error {
*server = *uplink.NewServer()
return server.Start()
}
}
func setupGateways() error {
if err := gateway.Setup(config.C); err != nil {
return errors.Wrap(err, "setup gateway error")
}
return nil
}
func startQueueScheduler() error {
log.Info("starting downlink device-queue scheduler")
go downlink.DeviceQueueSchedulerLoop()
log.Info("starting multicast scheduler")
go downlink.MulticastQueueSchedulerLoop()
return nil
}
func mustGetTransportCredentials(tlsCert, tlsKey, caCert string, verifyClientCert bool) credentials.TransportCredentials {
cert, err := tls.LoadX509KeyPair(tlsCert, tlsKey)
if err != nil {
log.WithFields(log.Fields{
"cert": tlsCert,
"key": tlsKey,
}).Fatalf("load key-pair error: %s", err)
}
var caCertPool *x509.CertPool
if caCert != "" {
rawCaCert, err := ioutil.ReadFile(caCert)
if err != nil {
log.WithField("ca", caCert).Fatalf("load ca cert error: %s", err)
}
caCertPool = x509.NewCertPool()
if !caCertPool.AppendCertsFromPEM(rawCaCert) {
log.WithField("ca_cert", caCert).Fatal("append ca certificate error")
}
}
if verifyClientCert {
return credentials.NewTLS(&tls.Config{
Certificates: []tls.Certificate{cert},
ClientCAs: caCertPool,
ClientAuth: tls.RequireAndVerifyClientCert,
})
}
return credentials.NewTLS(&tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caCertPool,
})
}