frostfs-node/pkg/morph/client/container/deletion_info.go
Airat Arifullin 554ff2c06b [#574] core: Extend Source interface with DeletionInfo method
* Introduce common method EverExisted
* Define DeletionInfo for struct that must implement Source
* Refactor tree srv

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
2023-08-28 14:21:38 +00:00

72 lines
2.2 KiB
Go

package container
import (
"crypto/sha256"
"fmt"
"strings"
containerContract "git.frostfs.info/TrueCloudLab/frostfs-contract/container"
containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
)
func (x *containerSource) DeletionInfo(cnr cid.ID) (*containercore.DelInfo, error) {
return DeletionInfo((*Client)(x), cnr)
}
type deletionInfo interface {
DeletionInfo(cid []byte) (*containercore.DelInfo, error)
}
func AsContainerSpecInfoProvider(w *Client) containercore.Source {
return (*containerSource)(w)
}
func DeletionInfo(c deletionInfo, cnr cid.ID) (*containercore.DelInfo, error) {
binCnr := make([]byte, sha256.Size)
cnr.Encode(binCnr)
return c.DeletionInfo(binCnr)
}
func (c *Client) DeletionInfo(cid []byte) (*containercore.DelInfo, error) {
prm := client.TestInvokePrm{}
prm.SetMethod(deletionInfoMethod)
prm.SetArgs(cid)
res, err := c.client.TestInvoke(prm)
if err != nil {
if strings.Contains(err.Error(), containerContract.NotFoundError) {
return nil, new(apistatus.ContainerNotFound)
}
return nil, fmt.Errorf("could not perform test invocation (%s): %w", deletionInfoMethod, err)
} else if ln := len(res); ln != 1 {
return nil, fmt.Errorf("unexpected stack item count (%s): %d", deletionInfoMethod, ln)
}
arr, err := client.ArrayFromStackItem(res[0])
if err != nil {
return nil, fmt.Errorf("could not get item array of container (%s): %w", deletionInfoMethod, err)
}
if len(arr) != 2 {
return nil, fmt.Errorf("unexpected container stack item count (%s): %d", deletionInfoMethod, len(arr))
}
owner, err := client.BytesFromStackItem(arr[0])
if err != nil {
return nil, fmt.Errorf("could not get byte array of container (%s): %w", deletionInfoMethod, err)
}
epoch, err := client.IntFromStackItem(arr[1])
if err != nil {
return nil, fmt.Errorf("could not get byte array of container signature (%s): %w", deletionInfoMethod, err)
}
return &containercore.DelInfo{
Owner: owner,
Epoch: int(epoch),
}, nil
}