frostfs-node/cmd/frostfs-cli/modules/container/get.go

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package container
import (
"crypto/ecdsa"
"os"
internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
"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"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/util"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"github.com/spf13/cobra"
)
const (
fromFlag = "from"
fromFlagUsage = "Path to file with encoded container"
)
var (
containerID string
containerPathFrom string
containerPathTo string
containerJSON bool
)
var getContainerInfoCmd = &cobra.Command{
Use: "get",
Short: "Get container field info",
Long: `Get container field info`,
Run: func(cmd *cobra.Command, args []string) {
cnr, _ := getContainer(cmd)
prettyPrintContainer(cmd, cnr, containerJSON)
if containerPathTo != "" {
var (
data []byte
err error
)
if containerJSON {
data, err = cnr.MarshalJSON()
commonCmd.ExitOnErr(cmd, "can't JSON encode container: %w", err)
} else {
data = cnr.Marshal()
}
err = os.WriteFile(containerPathTo, data, 0o644)
commonCmd.ExitOnErr(cmd, "can't write container to file: %w", err)
}
},
}
func initContainerInfoCmd() {
commonflags.Init(getContainerInfoCmd)
flags := getContainerInfoCmd.Flags()
flags.StringVar(&containerID, commonflags.CIDFlag, "", commonflags.CIDFlagUsage)
flags.StringVar(&containerPathTo, "to", "", "Path to dump encoded container")
flags.StringVar(&containerPathFrom, fromFlag, "", fromFlagUsage)
flags.BoolVar(&containerJSON, commonflags.JSON, false, "Print or dump container in JSON format")
}
type stringWriter cobra.Command
func (x *stringWriter) WriteString(s string) (n int, err error) {
(*cobra.Command)(x).Print(s)
return len(s), nil
}
func prettyPrintContainer(cmd *cobra.Command, cnr container.Container, jsonEncoding bool) {
if jsonEncoding {
common.PrettyPrintJSON(cmd, cnr, "container")
return
}
var id cid.ID
container.CalculateID(&id, cnr)
cmd.Println("container ID:", id)
cmd.Println("owner ID:", cnr.Owner())
basicACL := cnr.BasicACL()
prettyPrintBasicACL(cmd, basicACL)
cmd.Println("created:", container.CreatedAt(cnr))
cmd.Println("attributes:")
cnr.IterateAttributes(func(key, val string) {
cmd.Printf("\t%s=%s\n", key, val)
})
cmd.Println("placement policy:")
commonCmd.ExitOnErr(cmd, "write policy: %w", cnr.PlacementPolicy().WriteStringTo((*stringWriter)(cmd)))
cmd.Println()
}
func prettyPrintBasicACL(cmd *cobra.Command, basicACL acl.Basic) {
cmd.Printf("basic ACL: %s", basicACL.EncodeToString())
var prettyName string
switch basicACL {
case acl.Private:
prettyName = acl.NamePrivate
case acl.PrivateExtended:
prettyName = acl.NamePrivateExtended
case acl.PublicRO:
prettyName = acl.NamePublicRO
case acl.PublicROExtended:
prettyName = acl.NamePublicROExtended
case acl.PublicRW:
prettyName = acl.NamePublicRW
case acl.PublicRWExtended:
prettyName = acl.NamePublicRWExtended
case acl.PublicAppend:
prettyName = acl.NamePublicAppend
case acl.PublicAppendExtended:
prettyName = acl.NamePublicAppendExtended
}
if prettyName != "" {
cmd.Printf(" (%s)", prettyName)
}
cmd.Println()
util.PrettyPrintTableBACL(cmd, &basicACL)
}
func getContainer(cmd *cobra.Command) (container.Container, *ecdsa.PrivateKey) {
var cnr container.Container
var pk *ecdsa.PrivateKey
if containerPathFrom != "" {
data, err := os.ReadFile(containerPathFrom)
commonCmd.ExitOnErr(cmd, "can't read file: %w", err)
err = cnr.Unmarshal(data)
commonCmd.ExitOnErr(cmd, "can't unmarshal container: %w", err)
} else {
id := parseContainerID(cmd)
pk = key.GetOrGenerate(cmd)
cli := internalclient.GetSDKClientByFlag(cmd, pk, commonflags.RPC)
prm := internalclient.GetContainerPrm{
Client: cli,
ClientParams: client.PrmContainerGet{
ContainerID: &id,
},
}
res, err := internalclient.GetContainer(cmd.Context(), prm)
commonCmd.ExitOnErr(cmd, "rpc error: %w", err)
cnr = res.Container()
}
return cnr, pk
}