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init_restore.go
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init_restore.go
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package main
import (
"context"
"encoding/json"
"io/ioutil"
"os"
"github.com/filecoin-project/lotus/api/v0api"
"github.com/docker/go-units"
"github.com/ipfs/go-datastore"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/mitchellh/go-homedir"
"github.com/urfave/cli/v2"
"golang.org/x/xerrors"
"gopkg.in/cheggaaa/pb.v1"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-paramfetch"
"github.com/filecoin-project/go-state-types/big"
lapi "github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/filecoin-project/lotus/extern/sector-storage/stores"
"github.com/filecoin-project/lotus/lib/backupds"
"github.com/filecoin-project/lotus/node/config"
"github.com/filecoin-project/lotus/node/repo"
)
var restoreCmd = &cli.Command{
Name: "restore",
Usage: "Initialize a lotus miner repo from a backup",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "nosync",
Usage: "don't check full-node sync status",
},
&cli.StringFlag{
Name: "config",
Usage: "config file (config.toml)",
},
&cli.StringFlag{
Name: "storage-config",
Usage: "storage paths config (storage.json)",
},
},
ArgsUsage: "[backupFile]",
Action: func(cctx *cli.Context) error {
ctx := lcli.ReqContext(cctx)
log.Info("Initializing lotus miner using a backup")
var storageCfg *stores.StorageConfig
if cctx.IsSet("storage-config") {
cf, err := homedir.Expand(cctx.String("storage-config"))
if err != nil {
return xerrors.Errorf("expanding storage config path: %w", err)
}
cfb, err := ioutil.ReadFile(cf)
if err != nil {
return xerrors.Errorf("reading storage config: %w", err)
}
storageCfg = &stores.StorageConfig{}
err = json.Unmarshal(cfb, storageCfg)
if err != nil {
return xerrors.Errorf("cannot unmarshal json for storage config: %w", err)
}
}
repoPath := cctx.String(FlagMinerRepo)
if err := restore(ctx, cctx, repoPath, storageCfg, nil, func(api lapi.FullNode, maddr address.Address, peerid peer.ID, mi miner.MinerInfo) error {
log.Info("Checking proof parameters")
if err := paramfetch.GetParams(ctx, build.ParametersJSON(), build.SrsJSON(), uint64(mi.SectorSize)); err != nil {
return xerrors.Errorf("fetching proof parameters: %w", err)
}
log.Info("Configuring miner actor")
if err := configureStorageMiner(ctx, api, maddr, peerid, big.Zero()); err != nil {
return err
}
return nil
}); err != nil {
return err
}
return nil
},
}
func restore(ctx context.Context, cctx *cli.Context, targetPath string, strConfig *stores.StorageConfig, manageConfig func(*config.StorageMiner) error, after func(api lapi.FullNode, addr address.Address, peerid peer.ID, mi miner.MinerInfo) error) error {
if cctx.Args().Len() != 1 {
return xerrors.Errorf("expected 1 argument")
}
log.Info("Trying to connect to full node RPC")
api, closer, err := lcli.GetFullNodeAPIV1(cctx) // TODO: consider storing full node address in config
if err != nil {
return err
}
defer closer()
log.Info("Checking full node version")
v, err := api.Version(ctx)
if err != nil {
return err
}
if !v.APIVersion.EqMajorMinor(lapi.FullAPIVersion1) {
return xerrors.Errorf("Remote API version didn't match (expected %s, remote %s)", lapi.FullAPIVersion1, v.APIVersion)
}
if !cctx.Bool("nosync") {
if err := lcli.SyncWait(ctx, &v0api.WrapperV1Full{FullNode: api}, false); err != nil {
return xerrors.Errorf("sync wait: %w", err)
}
}
bf, err := homedir.Expand(cctx.Args().First())
if err != nil {
return xerrors.Errorf("expand backup file path: %w", err)
}
st, err := os.Stat(bf)
if err != nil {
return xerrors.Errorf("stat backup file (%s): %w", bf, err)
}
f, err := os.Open(bf)
if err != nil {
return xerrors.Errorf("opening backup file: %w", err)
}
defer f.Close() // nolint:errcheck
log.Info("Checking if repo exists")
r, err := repo.NewFS(targetPath)
if err != nil {
return err
}
ok, err := r.Exists()
if err != nil {
return err
}
if ok {
return xerrors.Errorf("repo at '%s' is already initialized", cctx.String(FlagMinerRepo))
}
log.Info("Initializing repo")
if err := r.Init(repo.StorageMiner); err != nil {
return err
}
lr, err := r.Lock(repo.StorageMiner)
if err != nil {
return err
}
defer lr.Close() //nolint:errcheck
if cctx.IsSet("config") {
log.Info("Restoring config")
cf, err := homedir.Expand(cctx.String("config"))
if err != nil {
return xerrors.Errorf("expanding config path: %w", err)
}
_, err = os.Stat(cf)
if err != nil {
return xerrors.Errorf("stat config file (%s): %w", cf, err)
}
var cerr error
err = lr.SetConfig(func(raw interface{}) {
rcfg, ok := raw.(*config.StorageMiner)
if !ok {
cerr = xerrors.New("expected miner config")
return
}
ff, err := config.FromFile(cf, rcfg)
if err != nil {
cerr = xerrors.Errorf("loading config: %w", err)
return
}
*rcfg = *ff.(*config.StorageMiner)
if manageConfig != nil {
cerr = manageConfig(rcfg)
}
})
if cerr != nil {
return cerr
}
if err != nil {
return xerrors.Errorf("setting config: %w", err)
}
} else {
log.Warn("--config NOT SET, WILL USE DEFAULT VALUES")
}
if strConfig != nil {
log.Info("Restoring storage path config")
err = lr.SetStorage(func(scfg *stores.StorageConfig) {
*scfg = *strConfig
})
if err != nil {
return xerrors.Errorf("setting storage config: %w", err)
}
} else {
log.Warn("--storage-config NOT SET. NO SECTOR PATHS WILL BE CONFIGURED")
// setting empty config to allow miner to be started
if err := lr.SetStorage(func(sc *stores.StorageConfig) {
sc.StoragePaths = append(sc.StoragePaths, stores.LocalPath{})
}); err != nil {
return xerrors.Errorf("set storage config: %w", err)
}
}
log.Info("Restoring metadata backup")
mds, err := lr.Datastore(context.TODO(), "/metadata")
if err != nil {
return err
}
bar := pb.New64(st.Size())
br := bar.NewProxyReader(f)
bar.ShowTimeLeft = true
bar.ShowPercent = true
bar.ShowSpeed = true
bar.Units = pb.U_BYTES
bar.Start()
err = backupds.RestoreInto(br, mds)
bar.Finish()
if err != nil {
return xerrors.Errorf("restoring metadata: %w", err)
}
log.Info("Checking actor metadata")
abytes, err := mds.Get(datastore.NewKey("miner-address"))
if err != nil {
return xerrors.Errorf("getting actor address from metadata datastore: %w", err)
}
maddr, err := address.NewFromBytes(abytes)
if err != nil {
return xerrors.Errorf("parsing actor address: %w", err)
}
log.Info("ACTOR ADDRESS: ", maddr.String())
mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
if err != nil {
return xerrors.Errorf("getting miner info: %w", err)
}
log.Info("SECTOR SIZE: ", units.BytesSize(float64(mi.SectorSize)))
wk, err := api.StateAccountKey(ctx, mi.Worker, types.EmptyTSK)
if err != nil {
return xerrors.Errorf("resolving worker key: %w", err)
}
has, err := api.WalletHas(ctx, wk)
if err != nil {
return xerrors.Errorf("checking worker address: %w", err)
}
if !has {
return xerrors.Errorf("worker address %s for miner actor %s not present in full node wallet", mi.Worker, maddr)
}
log.Info("Initializing libp2p identity")
p2pSk, err := makeHostKey(lr)
if err != nil {
return xerrors.Errorf("make host key: %w", err)
}
peerid, err := peer.IDFromPrivateKey(p2pSk)
if err != nil {
return xerrors.Errorf("peer ID from private key: %w", err)
}
return after(api, maddr, peerid, mi)
}