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Fixes #615 This implements the SideroLink integration on Sidero side. This feature requires Talos 0.14 from master as of right now. SideroLink status is stored in `ServerBinding` resource for each server. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
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16 changes: 16 additions & 0 deletions
16
app/caps-controller-manager/api/v1alpha3/zz_generated.deepcopy.go
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33 changes: 33 additions & 0 deletions
33
app/sidero-controller-manager/cmd/siderolink-manager/kubernetes.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
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| package main | ||
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| import ( | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| clientgoscheme "k8s.io/client-go/kubernetes/scheme" | ||
| "k8s.io/client-go/rest" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| runtimeclient "sigs.k8s.io/controller-runtime/pkg/client" | ||
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| sidero "github.com/talos-systems/sidero/app/caps-controller-manager/api/v1alpha3" | ||
| ) | ||
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| func getMetalClient() (runtimeclient.Client, *rest.Config, error) { | ||
| kubeconfig := ctrl.GetConfigOrDie() | ||
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| scheme := runtime.NewScheme() | ||
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| if err := clientgoscheme.AddToScheme(scheme); err != nil { | ||
| return nil, nil, err | ||
| } | ||
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| if err := sidero.AddToScheme(scheme); err != nil { | ||
| return nil, nil, err | ||
| } | ||
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| client, err := runtimeclient.New(kubeconfig, runtimeclient.Options{Scheme: scheme}) | ||
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| return client, kubeconfig, err | ||
| } |
168 changes: 168 additions & 0 deletions
168
app/sidero-controller-manager/cmd/siderolink-manager/main.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
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| package main | ||
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| import ( | ||
| "context" | ||
| "errors" | ||
| "flag" | ||
| "fmt" | ||
| "log" | ||
| "net" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
|
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| grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware" | ||
| grpc_zap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap" | ||
| grpc_recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery" | ||
| grpc_ctxtags "github.com/grpc-ecosystem/go-grpc-middleware/tags" | ||
| "go.uber.org/zap" | ||
| "golang.org/x/sync/errgroup" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| "inet.af/netaddr" | ||
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| pb "github.com/talos-systems/siderolink/api/siderolink" | ||
| "github.com/talos-systems/siderolink/pkg/wireguard" | ||
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| "github.com/talos-systems/sidero/app/sidero-controller-manager/internal/siderolink" | ||
| "github.com/talos-systems/sidero/app/sidero-controller-manager/pkg/constants" | ||
| ) | ||
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| var ( | ||
| wireguardEndpoint string | ||
| wireguardPort int | ||
| ) | ||
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| func main() { | ||
| flag.StringVar(&wireguardEndpoint, "wireguard-endpoint", "", "The endpoint (IP address) SideroLink can be reached at from the servers.") | ||
| flag.IntVar(&wireguardPort, "wireguard-port", 51821, "The TCP port SideroLink can be reached at from the servers.") | ||
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| flag.Parse() | ||
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| if wireguardEndpoint == "-" { | ||
| wireguardEndpoint = "" | ||
| } | ||
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| if wireguardEndpoint == "" { | ||
| if endpoint, ok := os.LookupEnv("API_ENDPOINT"); ok { | ||
| wireguardEndpoint = endpoint | ||
| } else { | ||
| log.Fatal("no Wireguard endpoint found") | ||
| } | ||
| } | ||
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| if err := run(); err != nil { | ||
| fmt.Fprintf(os.Stderr, "error: %s", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
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| func recoveryHandler(logger *zap.Logger) grpc_recovery.RecoveryHandlerFunc { | ||
| return func(p interface{}) error { | ||
| if logger != nil { | ||
| logger.Error("grpc panic", zap.Any("panic", p), zap.Stack("stack")) | ||
| } | ||
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| return status.Errorf(codes.Internal, "%v", p) | ||
| } | ||
| } | ||
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| func run() error { | ||
| logger, err := zap.NewProduction() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to initialize logger: %w", err) | ||
| } | ||
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| zap.ReplaceGlobals(logger) | ||
| zap.RedirectStdLog(logger) | ||
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| metalclient, kubeconfig, err := getMetalClient() | ||
| if err != nil { | ||
| return fmt.Errorf("error building runtime client: %w", err) | ||
| } | ||
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| ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM) | ||
| defer cancel() | ||
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| eg, ctx := errgroup.WithContext(ctx) | ||
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| lis, err := net.Listen("tcp", constants.SideroLinkInternalAPIEndpoint) | ||
| if err != nil { | ||
| return fmt.Errorf("error listening for gRPC API: %w", err) | ||
| } | ||
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| cfg := siderolink.Config{ | ||
| WireguardEndpoint: fmt.Sprintf("%s:%d", wireguardEndpoint, wireguardPort), | ||
| } | ||
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| if err = cfg.LoadOrCreate(ctx, metalclient); err != nil { | ||
| return err | ||
| } | ||
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| wireguardEndpoint, err := netaddr.ParseIPPort(cfg.WireguardEndpoint) | ||
| if err != nil { | ||
| return fmt.Errorf("invalid Wireguard endpoint: %w", err) | ||
| } | ||
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| wgDevice, err := wireguard.NewDevice(cfg.ServerAddress, cfg.PrivateKey, wireguardEndpoint.Port()) | ||
| if err != nil { | ||
| return fmt.Errorf("error initializing wgDevice: %w", err) | ||
| } | ||
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| defer wgDevice.Close() //nolint:errcheck | ||
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| grpc_zap.ReplaceGrpcLoggerV2(logger) | ||
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| recoveryOpt := grpc_recovery.WithRecoveryHandler(recoveryHandler(logger)) | ||
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| serverOptions := []grpc.ServerOption{ | ||
| grpc_middleware.WithUnaryServerChain( | ||
| grpc_ctxtags.UnaryServerInterceptor(), | ||
| grpc_zap.UnaryServerInterceptor(logger), | ||
| grpc_recovery.UnaryServerInterceptor(recoveryOpt), | ||
| ), | ||
| grpc_middleware.WithStreamServerChain( | ||
| grpc_ctxtags.StreamServerInterceptor(), | ||
| grpc_zap.StreamServerInterceptor(logger), | ||
| grpc_recovery.StreamServerInterceptor(recoveryOpt), | ||
| ), | ||
| } | ||
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| srv := siderolink.NewServer(&cfg, metalclient) | ||
|
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| peers := siderolink.NewPeerState(kubeconfig, logger) | ||
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| s := grpc.NewServer(serverOptions...) | ||
| pb.RegisterProvisionServiceServer(s, srv) | ||
|
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| eg.Go(func() error { | ||
| return wgDevice.Run(ctx, logger, peers) | ||
| }) | ||
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| eg.Go(func() error { | ||
| return peers.Run(ctx) | ||
| }) | ||
|
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| eg.Go(func() error { | ||
| return s.Serve(lis) | ||
| }) | ||
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| eg.Go(func() error { | ||
| <-ctx.Done() | ||
|
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| s.Stop() | ||
|
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| return nil | ||
| }) | ||
|
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| if err := eg.Wait(); err != nil && !errors.Is(err, grpc.ErrServerStopped) && errors.Is(err, context.Canceled) { | ||
| return err | ||
| } | ||
|
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||
| return nil | ||
| } |
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