lotus/cmd/lotus-seal-worker/main.go
2020-06-17 17:47:18 +02:00

372 lines
8.9 KiB
Go

package main
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"net/http"
"os"
"path/filepath"
"syscall"
"time"
"github.com/google/uuid"
"github.com/gorilla/mux"
logging "github.com/ipfs/go-log/v2"
"github.com/urfave/cli/v2"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-jsonrpc"
"github.com/filecoin-project/go-jsonrpc/auth"
paramfetch "github.com/filecoin-project/go-paramfetch"
"github.com/filecoin-project/sector-storage/ffiwrapper"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/api/apistruct"
"github.com/filecoin-project/lotus/build"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/filecoin-project/lotus/lib/lotuslog"
"github.com/filecoin-project/lotus/node/repo"
sectorstorage "github.com/filecoin-project/sector-storage"
"github.com/filecoin-project/sector-storage/sealtasks"
"github.com/filecoin-project/sector-storage/stores"
)
var log = logging.Logger("main")
const FlagStorageRepo = "workerrepo"
func main() {
lotuslog.SetupLogLevels()
log.Info("Starting lotus worker")
local := []*cli.Command{
runCmd,
}
app := &cli.App{
Name: "lotus-seal-worker",
Usage: "Remote storage miner worker",
Version: build.UserVersion(),
Flags: []cli.Flag{
&cli.StringFlag{
Name: FlagStorageRepo,
EnvVars: []string{"WORKER_PATH"},
Value: "~/.lotusworker", // TODO: Consider XDG_DATA_HOME
},
&cli.StringFlag{
Name: "storagerepo",
EnvVars: []string{"LOTUS_STORAGE_PATH"},
Value: "~/.lotusstorage", // TODO: Consider XDG_DATA_HOME
},
&cli.BoolFlag{
Name: "enable-gpu-proving",
Usage: "enable use of GPU for mining operations",
Value: true,
},
},
Commands: local,
}
app.Setup()
app.Metadata["repoType"] = repo.Worker
if err := app.Run(os.Args); err != nil {
log.Warnf("%+v", err)
return
}
}
var runCmd = &cli.Command{
Name: "run",
Usage: "Start lotus worker",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "address",
Usage: "Locally reachable address",
},
&cli.BoolFlag{
Name: "no-local-storage",
Usage: "don't use storageminer repo for sector storage",
},
&cli.BoolFlag{
Name: "precommit1",
Usage: "enable precommit1 (32G sectors: 1 core, 128GiB Memory)",
Value: true,
},
&cli.BoolFlag{
Name: "precommit2",
Usage: "enable precommit2 (32G sectors: all cores, 96GiB Memory)",
Value: true,
},
&cli.BoolFlag{
Name: "commit",
Usage: "enable commit (32G sectors: all cores or GPUs, 128GiB Memory + 64GiB swap)",
Value: true,
},
},
Action: func(cctx *cli.Context) error {
if !cctx.Bool("enable-gpu-proving") {
if err := os.Setenv("BELLMAN_NO_GPU", "true"); err != nil {
return xerrors.Errorf("could not set no-gpu env: %+v", err)
}
}
if cctx.String("address") == "" {
return xerrors.Errorf("--address flag is required")
}
// Connect to storage-miner
var nodeApi api.StorageMiner
var closer func()
var err error
for {
nodeApi, closer, err = lcli.GetStorageMinerAPI(cctx)
if err == nil {
break
}
fmt.Printf("\r\x1b[0KConnecting to miner API... (%s)", err)
time.Sleep(time.Second)
continue
}
defer closer()
ctx := lcli.ReqContext(cctx)
ctx, cancel := context.WithCancel(ctx)
defer cancel()
v, err := nodeApi.Version(ctx)
if err != nil {
return err
}
if v.APIVersion != build.APIVersion {
return xerrors.Errorf("lotus-storage-miner API version doesn't match: local: ", api.Version{APIVersion: build.APIVersion})
}
log.Infof("Remote version %s", v)
watchMinerConn(ctx, cctx, nodeApi)
// Check params
act, err := nodeApi.ActorAddress(ctx)
if err != nil {
return err
}
ssize, err := nodeApi.ActorSectorSize(ctx, act)
if err != nil {
return err
}
if cctx.Bool("commit") {
if err := paramfetch.GetParams(ctx, build.ParametersJSON(), uint64(ssize)); err != nil {
return xerrors.Errorf("get params: %w", err)
}
}
var taskTypes []sealtasks.TaskType
taskTypes = append(taskTypes, sealtasks.TTFetch, sealtasks.TTCommit1, sealtasks.TTFinalize)
if cctx.Bool("precommit1") {
taskTypes = append(taskTypes, sealtasks.TTPreCommit1)
}
if cctx.Bool("precommit2") {
taskTypes = append(taskTypes, sealtasks.TTPreCommit2)
}
if cctx.Bool("commit") {
taskTypes = append(taskTypes, sealtasks.TTCommit2)
}
if len(taskTypes) == 0 {
return xerrors.Errorf("no task types specified")
}
// Open repo
repoPath := cctx.String(FlagStorageRepo)
r, err := repo.NewFS(repoPath)
if err != nil {
return err
}
ok, err := r.Exists()
if err != nil {
return err
}
if !ok {
if err := r.Init(repo.Worker); err != nil {
return err
}
lr, err := r.Lock(repo.Worker)
if err != nil {
return err
}
var localPaths []stores.LocalPath
if !cctx.Bool("no-local-storage") {
b, err := json.MarshalIndent(&stores.LocalStorageMeta{
ID: stores.ID(uuid.New().String()),
Weight: 10,
CanSeal: true,
CanStore: false,
}, "", " ")
if err != nil {
return xerrors.Errorf("marshaling storage config: %w", err)
}
if err := ioutil.WriteFile(filepath.Join(lr.Path(), "sectorstore.json"), b, 0644); err != nil {
return xerrors.Errorf("persisting storage metadata (%s): %w", filepath.Join(lr.Path(), "sectorstore.json"), err)
}
localPaths = append(localPaths, stores.LocalPath{
Path: lr.Path(),
})
}
if err := lr.SetStorage(func(sc *stores.StorageConfig) {
sc.StoragePaths = append(sc.StoragePaths, localPaths...)
}); err != nil {
return xerrors.Errorf("set storage config: %w", err)
}
{
// init datastore for r.Exists
_, err := lr.Datastore("/")
if err != nil {
return err
}
}
if err := lr.Close(); err != nil {
return xerrors.Errorf("close repo: %w", err)
}
}
lr, err := r.Lock(repo.Worker)
if err != nil {
return err
}
log.Info("Opening local storage; connecting to master")
localStore, err := stores.NewLocal(ctx, lr, nodeApi, []string{"http://" + cctx.String("address") + "/remote"})
if err != nil {
return err
}
// Setup remote sector store
spt, err := ffiwrapper.SealProofTypeFromSectorSize(ssize)
if err != nil {
return xerrors.Errorf("getting proof type: %w", err)
}
sminfo, err := lcli.GetAPIInfo(cctx, repo.StorageMiner)
if err != nil {
return xerrors.Errorf("could not get api info: %w", err)
}
remote := stores.NewRemote(localStore, nodeApi, sminfo.AuthHeader())
// Create / expose the worker
workerApi := &worker{
LocalWorker: sectorstorage.NewLocalWorker(sectorstorage.WorkerConfig{
SealProof: spt,
TaskTypes: taskTypes,
}, remote, localStore, nodeApi),
}
mux := mux.NewRouter()
log.Info("Setting up control endpoint at " + cctx.String("address"))
rpcServer := jsonrpc.NewServer()
rpcServer.Register("Filecoin", apistruct.PermissionedWorkerAPI(workerApi))
mux.Handle("/rpc/v0", rpcServer)
mux.PathPrefix("/remote").HandlerFunc((&stores.FetchHandler{Local: localStore}).ServeHTTP)
mux.PathPrefix("/").Handler(http.DefaultServeMux) // pprof
ah := &auth.Handler{
Verify: nodeApi.AuthVerify,
Next: mux.ServeHTTP,
}
srv := &http.Server{
Handler: ah,
BaseContext: func(listener net.Listener) context.Context {
return ctx
},
}
go func() {
<-ctx.Done()
log.Warn("Shutting down...")
if err := srv.Shutdown(context.TODO()); err != nil {
log.Errorf("shutting down RPC server failed: %s", err)
}
log.Warn("Graceful shutdown successful")
}()
nl, err := net.Listen("tcp", cctx.String("address"))
if err != nil {
return err
}
log.Info("Waiting for tasks")
go func() {
if err := nodeApi.WorkerConnect(ctx, "ws://"+cctx.String("address")+"/rpc/v0"); err != nil {
log.Errorf("Registering worker failed: %+v", err)
cancel()
return
}
}()
return srv.Serve(nl)
},
}
func watchMinerConn(ctx context.Context, cctx *cli.Context, nodeApi api.StorageMiner) {
go func() {
closing, err := nodeApi.Closing(ctx)
if err != nil {
log.Errorf("failed to get remote closing channel: %+v", err)
}
select {
case <-closing:
case <-ctx.Done():
}
if ctx.Err() != nil {
return // graceful shutdown
}
log.Warnf("Connection with miner node lost, restarting")
exe, err := os.Executable()
if err != nil {
log.Errorf("getting executable for auto-restart: %+v", err)
}
log.Sync()
// TODO: there are probably cleaner/more graceful ways to restart,
// but this is good enough for now (FSM can recover from the mess this creates)
if err := syscall.Exec(exe, []string{exe, "run",
fmt.Sprintf("--address=%s", cctx.String("address")),
fmt.Sprintf("--no-local-storage=%t", cctx.Bool("no-local-storage")),
fmt.Sprintf("--precommit1=%t", cctx.Bool("precommit1")),
fmt.Sprintf("--precommit2=%t", cctx.Bool("precommit2")),
fmt.Sprintf("--commit=%t", cctx.Bool("commit")),
}, os.Environ()); err != nil {
fmt.Println(err)
}
}()
}