forked from TrueCloudLab/frostfs-node
Airat Arifullin
554ff2c06b
* Introduce common method EverExisted * Define DeletionInfo for struct that must implement Source * Refactor tree srv Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
package container
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import (
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"crypto/sha256"
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"fmt"
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"strings"
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containerContract "git.frostfs.info/TrueCloudLab/frostfs-contract/container"
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containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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)
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func (x *containerSource) DeletionInfo(cnr cid.ID) (*containercore.DelInfo, error) {
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return DeletionInfo((*Client)(x), cnr)
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}
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type deletionInfo interface {
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DeletionInfo(cid []byte) (*containercore.DelInfo, error)
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}
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func AsContainerSpecInfoProvider(w *Client) containercore.Source {
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return (*containerSource)(w)
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}
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func DeletionInfo(c deletionInfo, cnr cid.ID) (*containercore.DelInfo, error) {
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binCnr := make([]byte, sha256.Size)
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cnr.Encode(binCnr)
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return c.DeletionInfo(binCnr)
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}
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func (c *Client) DeletionInfo(cid []byte) (*containercore.DelInfo, error) {
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prm := client.TestInvokePrm{}
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prm.SetMethod(deletionInfoMethod)
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prm.SetArgs(cid)
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res, err := c.client.TestInvoke(prm)
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if err != nil {
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if strings.Contains(err.Error(), containerContract.NotFoundError) {
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return nil, new(apistatus.ContainerNotFound)
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}
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return nil, fmt.Errorf("could not perform test invocation (%s): %w", deletionInfoMethod, err)
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} else if ln := len(res); ln != 1 {
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return nil, fmt.Errorf("unexpected stack item count (%s): %d", deletionInfoMethod, ln)
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}
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arr, err := client.ArrayFromStackItem(res[0])
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if err != nil {
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return nil, fmt.Errorf("could not get item array of container (%s): %w", deletionInfoMethod, err)
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}
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if len(arr) != 2 {
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return nil, fmt.Errorf("unexpected container stack item count (%s): %d", deletionInfoMethod, len(arr))
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}
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owner, err := client.BytesFromStackItem(arr[0])
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if err != nil {
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return nil, fmt.Errorf("could not get byte array of container (%s): %w", deletionInfoMethod, err)
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}
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epoch, err := client.IntFromStackItem(arr[1])
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if err != nil {
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return nil, fmt.Errorf("could not get byte array of container signature (%s): %w", deletionInfoMethod, err)
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}
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return &containercore.DelInfo{
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Owner: owner,
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Epoch: int(epoch),
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}, nil
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}
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