frostfs-node/cmd/frostfs-cli/modules/tree/get_by_path.go

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package tree
import (
"crypto/sha256"
"strings"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/common"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/tree"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
"github.com/spf13/cobra"
)
var getByPathCmd = &cobra.Command{
Use: "get-by-path",
Short: "Get a node by its path",
Run: getByPath,
PersistentPreRun: func(cmd *cobra.Command, _ []string) {
commonflags.Bind(cmd)
},
}
func initGetByPathCmd() {
commonflags.Init(getByPathCmd)
initCTID(getByPathCmd)
ff := getByPathCmd.Flags()
// tree service does not allow any attribute except
// the 'FileName' but that's a limitation of the
// current implementation, not the rule
// ff.String(pathAttributeFlagKey, "", "Path attribute")
ff.String(pathFlagKey, "", "Path to a node")
ff.Bool(latestOnlyFlagKey, false, "Look only for the latest version of a node")
_ = cobra.MarkFlagRequired(ff, commonflags.RPC)
}
func getByPath(cmd *cobra.Command, _ []string) {
pk := key.GetOrGenerate(cmd)
cidRaw, _ := cmd.Flags().GetString(commonflags.CIDFlag)
var cnr cid.ID
err := cnr.DecodeString(cidRaw)
commonCmd.ExitOnErr(cmd, "decode container ID string: %w", err)
tid, _ := cmd.Flags().GetString(treeIDFlagKey)
ctx := cmd.Context()
cli, err := _client(ctx)
commonCmd.ExitOnErr(cmd, "client: %w", err)
rawCID := make([]byte, sha256.Size)
cnr.Encode(rawCID)
latestOnly, _ := cmd.Flags().GetBool(latestOnlyFlagKey)
path, _ := cmd.Flags().GetString(pathFlagKey)
// pAttr, _ := cmd.Flags().GetString(pathAttributeFlagKey)
req := new(tree.GetNodeByPathRequest)
req.Body = &tree.GetNodeByPathRequest_Body{
ContainerId: rawCID,
TreeId: tid,
PathAttribute: object.AttributeFileName,
// PathAttribute: pAttr,
Path: strings.Split(path, "/"),
LatestOnly: latestOnly,
AllAttributes: true,
}
if btok := common.ReadBearerToken(cmd, bearerFlagKey); btok != nil {
req.Body.BearerToken = btok.Marshal()
}
commonCmd.ExitOnErr(cmd, "message signing: %w", tree.SignMessage(req, pk))
resp, err := cli.GetNodeByPath(ctx, req)
commonCmd.ExitOnErr(cmd, "rpc call: %w", err)
nn := resp.GetBody().GetNodes()
if len(nn) == 0 {
common.PrintVerbose(cmd, "The node is not found")
return
}
for _, n := range nn {
cmd.Printf("%d:\n", n.GetNodeId())
cmd.Println("\tParent ID: ", n.GetParentId())
cmd.Println("\tTimestamp: ", n.GetTimestamp())
cmd.Println("\tMeta pairs: ")
for _, kv := range n.GetMeta() {
cmd.Printf("\t\t%s: %s\n", kv.GetKey(), string(kv.GetValue()))
}
}
}