frostfs-node/cmd/neofs-cli/modules/storagegroup/get.go

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package storagegroup
import (
"bytes"
internalclient "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/client"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/common"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/commonflags"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/key"
objectCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/object"
sessionCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/session"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
storagegroupSDK "github.com/nspcc-dev/neofs-sdk-go/storagegroup"
"github.com/spf13/cobra"
)
var sgID string
var sgGetCmd = &cobra.Command{
Use: "get",
Short: "Get storage group from NeoFS",
Long: "Get storage group from NeoFS",
Run: getSG,
}
func initSGGetCmd() {
commonflags.Init(sgGetCmd)
flags := sgGetCmd.Flags()
flags.String(cidFlag, "", "Container ID")
_ = sgGetCmd.MarkFlagRequired(cidFlag)
flags.StringVarP(&sgID, sgIDFlag, "", "", "storage group identifier")
_ = sgGetCmd.MarkFlagRequired(sgIDFlag)
flags.Bool(sgRawFlag, false, "Set raw request option")
}
func getSG(cmd *cobra.Command, _ []string) {
var cnr cid.ID
var obj oid.ID
addr := readObjectAddress(cmd, &cnr, &obj)
pk := key.GetOrGenerate(cmd)
buf := bytes.NewBuffer(nil)
var prm internalclient.GetObjectPrm
sessionCli.Prepare(cmd, cnr, &obj, pk, &prm)
objectCli.Prepare(cmd, &prm)
raw, _ := cmd.Flags().GetBool(sgRawFlag)
prm.SetRawFlag(raw)
prm.SetAddress(addr)
prm.SetPayloadWriter(buf)
res, err := internalclient.GetObject(prm)
common.ExitOnErr(cmd, "rpc error: %w", err)
rawObj := res.Header()
rawObj.SetPayload(buf.Bytes())
var sg storagegroupSDK.StorageGroup
err = storagegroupSDK.ReadFromObject(&sg, *rawObj)
common.ExitOnErr(cmd, "could not read storage group from the obj: %w", err)
cmd.Printf("Expiration epoch: %d\n", sg.ExpirationEpoch())
cmd.Printf("Group size: %d\n", sg.ValidationDataSize())
common.PrintChecksum(cmd, "Group hash", sg.ValidationDataHash)
if members := sg.Members(); len(members) > 0 {
cmd.Println("Members:")
for i := range members {
cmd.Printf("\t%s\n", members[i].String())
}
}
}