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server.go
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server.go
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package core
// MARKED TO IGNORE COVERAGE
import (
"context"
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
)
//nolint:gocognit // Long method names are okay because only generated code will call this, not humans.
func Server(ctx context.Context, name string, hl Manager, grpcHl GrpcManager, logger *logrus.Logger, promRegistry *prometheus.Registry) error {
mWare := prepareMiddleware(name, logger, promRegistry)
var restIsRunning, grpcIsRunning bool
// Run the REST server
var listenAdmin func() error
if hl != nil && hl.AdminServerConfig() != nil {
var err error
listenAdmin, err = configureAdminServerListener(hl, logger, promRegistry, mWare.admin)
if err != nil {
return err
}
} else {
// set up a dummy listener which will never exit if admin disabled
listenAdmin = func() error { select {} }
}
var listenPublic func() error
if hl != nil && hl.PublicServerConfig() != nil {
var err error
listenPublic, err = configurePublicServerListener(ctx, hl, logger, mWare.public)
if err != nil {
return err
}
restIsRunning = true
} else {
listenPublic = func() error { select {} }
}
// Run the gRPC server
var listenPublicGrpc func() error
if grpcHl != nil && grpcHl.GrpcPublicServerConfig() != nil {
var err error
listenPublicGrpc, err = configurePublicGrpcServerListener(ctx, grpcHl, logger)
if err != nil {
return err
}
grpcIsRunning = true
} else {
listenPublicGrpc = func() error { select {} }
}
// Panic if REST&gRPC are not running
if !restIsRunning && !grpcIsRunning {
panic("Both servers are set to nil")
}
errChan := make(chan error, 1)
go func() {
errChan <- listenPublic()
}()
go func() {
errChan <- listenAdmin()
}()
go func() {
errChan <- listenPublicGrpc()
}()
return <-errChan
}