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https://github.com/siderolabs/talos.git
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512c79e8d6
As of now, we're not using Go profiling, so it's safe to disable it to save some memory and CPU costs. Once we start using it, we can re-enable it conditionally. Each process allocates around 1.4MiB on amd64 for memory profiling buckets. Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
112 lines
2.6 KiB
Go
112 lines
2.6 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package main
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import (
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"flag"
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"log"
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stdlibnet "net"
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"runtime"
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"github.com/talos-systems/crypto/tls"
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"github.com/talos-systems/net"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"github.com/talos-systems/talos/internal/app/trustd/internal/reg"
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"github.com/talos-systems/talos/pkg/grpc/factory"
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"github.com/talos-systems/talos/pkg/grpc/gen"
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"github.com/talos-systems/talos/pkg/grpc/middleware/auth/basic"
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"github.com/talos-systems/talos/pkg/machinery/config/configloader"
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"github.com/talos-systems/talos/pkg/machinery/constants"
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"github.com/talos-systems/talos/pkg/startup"
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)
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func init() {
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// Explicitly disable memory profiling to save around 1.4MiB of memory.
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runtime.MemProfileRate = 0
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log.SetFlags(log.Lshortfile | log.Ldate | log.Lmicroseconds | log.Ltime)
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flag.Parse()
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}
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// nolint: gocyclo
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func main() {
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var err error
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if err = startup.RandSeed(); err != nil {
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log.Fatalf("startup: %s", err)
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}
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config, err := configloader.NewFromStdin()
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if err != nil {
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log.Fatal(err)
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}
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ips, err := net.IPAddrs()
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if err != nil {
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log.Fatal(err)
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}
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dnsNames, err := net.DNSNames()
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if err != nil {
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log.Fatal(err)
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}
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for _, san := range config.Machine().Security().CertSANs() {
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if ip := stdlibnet.ParseIP(san); ip != nil {
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ips = append(ips, ip)
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} else {
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dnsNames = append(dnsNames, san)
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}
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}
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var generator tls.Generator
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generator, err = gen.NewLocalGenerator(config.Machine().Security().CA().Key, config.Machine().Security().CA().Crt)
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if err != nil {
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log.Fatalln("failed to create local generator provider:", err)
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}
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var provider tls.CertificateProvider
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provider, err = tls.NewRenewingCertificateProvider(generator, dnsNames, ips)
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if err != nil {
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log.Fatalln("failed to create local certificate provider:", err)
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}
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ca, err := provider.GetCA()
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if err != nil {
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log.Fatal(err)
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}
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tlsConfig, err := tls.New(
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tls.WithClientAuthType(tls.ServerOnly),
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tls.WithCACertPEM(ca),
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tls.WithServerCertificateProvider(provider),
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)
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if err != nil {
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log.Fatalf("failed to create TLS config: %v", err)
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}
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creds := basic.NewTokenCredentials(config.Machine().Security().Token())
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err = factory.ListenAndServe(
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®.Registrator{Config: config},
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factory.Port(constants.TrustdPort),
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factory.WithDefaultLog(),
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factory.WithUnaryInterceptor(creds.UnaryInterceptor()),
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factory.ServerOptions(
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grpc.Creds(
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credentials.NewTLS(tlsConfig),
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),
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),
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)
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if err != nil {
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log.Fatalf("listen: %v", err)
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}
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}
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