lotus/cmd/lotus-storage-miner/storage.go
2020-03-09 23:00:29 +01:00

106 lines
2.3 KiB
Go

package main
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"github.com/google/uuid"
"github.com/mitchellh/go-homedir"
"golang.org/x/xerrors"
"gopkg.in/urfave/cli.v2"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/filecoin-project/lotus/node/config"
)
const metaFile = "sectorstore.json"
var storageCmd = &cli.Command{
Name: "storage",
Usage: "manage sector storage",
Subcommands: []*cli.Command{
storageAttachCmd,
},
}
var storageAttachCmd = &cli.Command{
Name: "attach",
Usage: "attach local storage path",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "init",
Usage: "initialize the path first",
},
&cli.Uint64Flag{
Name: "weight",
Usage: "(for init) path weight",
Value: 10,
},
&cli.BoolFlag{
Name: "seal",
Usage: "(for init) use path for sealing",
},
&cli.BoolFlag{
Name: "store",
Usage: "(for init) use path for long-term storage",
},
},
Action: func(cctx *cli.Context) error {
nodeApi, closer, err := lcli.GetStorageMinerAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
if !cctx.Args().Present() {
return xerrors.Errorf("must specify storage path to attach")
}
p, err := homedir.Expand(cctx.Args().First())
if err != nil {
return xerrors.Errorf("expanding path: %w", err)
}
if cctx.Bool("init") {
if err := os.MkdirAll(p, 0755); err != nil {
if !os.IsExist(err) {
return err
}
}
_, err := os.Stat(filepath.Join(p, metaFile))
if !os.IsNotExist(err) {
if err == nil {
return xerrors.Errorf("path is already initialized")
}
return err
}
cfg := &config.StorageMeta{
ID: uuid.New().String(),
Weight: cctx.Uint64("weight"),
CanSeal: cctx.Bool("seal"),
CanStore: cctx.Bool("store"),
}
if !(cfg.CanStore || cfg.CanSeal) {
return xerrors.Errorf("must specify at least one of --store of --seal")
}
b, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
return xerrors.Errorf("marshaling storage config: %w", err)
}
if err := ioutil.WriteFile(filepath.Join(p, metaFile), b, 0644); err != nil {
return xerrors.Errorf("persisting storage metadata (%s): %w", filepath.Join(p, metaFile), err)
}
}
return nodeApi.StorageAddLocal(ctx, p)
},
}