95 lines
2.9 KiB
Go
95 lines
2.9 KiB
Go
package modules
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"github.com/libp2p/go-libp2p-core/host"
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/dagstore"
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mdagstore "github.com/filecoin-project/lotus/markets/dagstore"
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"github.com/filecoin-project/lotus/node/config"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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"github.com/filecoin-project/lotus/node/repo"
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)
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const (
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EnvDAGStoreCopyConcurrency = "LOTUS_DAGSTORE_COPY_CONCURRENCY"
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DefaultDAGStoreDir = "dagstore"
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)
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// NewMinerAPI creates a new MinerAPI adaptor for the dagstore mounts.
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func NewMinerAPI(cfg config.DAGStoreConfig) func(fx.Lifecycle, repo.LockedRepo, dtypes.ProviderPieceStore, mdagstore.SectorAccessor) (mdagstore.MinerAPI, error) {
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return func(lc fx.Lifecycle, r repo.LockedRepo, pieceStore dtypes.ProviderPieceStore, sa mdagstore.SectorAccessor) (mdagstore.MinerAPI, error) {
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// caps the amount of concurrent calls to the storage, so that we don't
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// spam it during heavy processes like bulk migration.
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if v, ok := os.LookupEnv("LOTUS_DAGSTORE_MOUNT_CONCURRENCY"); ok {
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concurrency, err := strconv.Atoi(v)
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if err == nil {
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cfg.MaxConcurrencyStorageCalls = concurrency
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}
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}
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mountApi := mdagstore.NewMinerAPI(pieceStore, sa, cfg.MaxConcurrencyStorageCalls, cfg.MaxConcurrentUnseals)
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ready := make(chan error, 1)
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pieceStore.OnReady(func(err error) {
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ready <- err
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})
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lc.Append(fx.Hook{
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OnStart: func(ctx context.Context) error {
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if err := <-ready; err != nil {
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return fmt.Errorf("aborting dagstore start; piecestore failed to start: %s", err)
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}
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return mountApi.Start(ctx)
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},
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OnStop: func(context.Context) error {
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return nil
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},
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})
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return mountApi, nil
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}
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}
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// DAGStore constructs a DAG store using the supplied minerAPI, and the
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// user configuration. It returns both the DAGStore and the Wrapper suitable for
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// passing to markets.
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func DAGStore(cfg config.DAGStoreConfig) func(lc fx.Lifecycle, r repo.LockedRepo, minerAPI mdagstore.MinerAPI, h host.Host) (*dagstore.DAGStore, *mdagstore.Wrapper, error) {
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return func(lc fx.Lifecycle, r repo.LockedRepo, minerAPI mdagstore.MinerAPI, h host.Host) (*dagstore.DAGStore, *mdagstore.Wrapper, error) {
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// fall back to default root directory if not explicitly set in the config.
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if cfg.RootDir == "" {
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cfg.RootDir = filepath.Join(r.Path(), DefaultDAGStoreDir)
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}
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v, ok := os.LookupEnv(EnvDAGStoreCopyConcurrency)
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if ok {
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concurrency, err := strconv.Atoi(v)
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if err == nil {
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cfg.MaxConcurrentReadyFetches = concurrency
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}
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}
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dagst, w, err := mdagstore.NewDAGStore(cfg, minerAPI, h)
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if err != nil {
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return nil, nil, xerrors.Errorf("failed to create DAG store: %w", err)
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}
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lc.Append(fx.Hook{
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OnStart: func(ctx context.Context) error {
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return w.Start(ctx)
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},
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OnStop: func(context.Context) error {
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return w.Close()
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},
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})
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return dagst, w, nil
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}
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}
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