frostfs-s3-gw/api/layer/notifications.go
Alex Vanin 96dff367db [#1] Build S3 Gateway with FrostFS dependencies
Signed-off-by: Alex Vanin <a.vanin@yadro.com>
2022-12-15 12:43:52 +03:00

90 lines
2.4 KiB
Go

package layer
import (
"bytes"
"context"
"encoding/xml"
errorsStd "errors"
"fmt"
"github.com/TrueCloudLab/frostfs-s3-gw/api"
"github.com/TrueCloudLab/frostfs-s3-gw/api/data"
"go.uber.org/zap"
)
type PutBucketNotificationConfigurationParams struct {
RequestInfo *api.ReqInfo
BktInfo *data.BucketInfo
Configuration *data.NotificationConfiguration
CopiesNumber uint32
}
func (n *layer) PutBucketNotificationConfiguration(ctx context.Context, p *PutBucketNotificationConfigurationParams) error {
confXML, err := xml.Marshal(p.Configuration)
if err != nil {
return fmt.Errorf("marshal notify configuration: %w", err)
}
prm := PrmObjectCreate{
Container: p.BktInfo.CID,
Creator: p.BktInfo.Owner,
Payload: bytes.NewReader(confXML),
Filepath: p.BktInfo.NotificationConfigurationObjectName(),
CreationTime: TimeNow(ctx),
CopiesNumber: p.CopiesNumber,
}
objID, _, err := n.objectPutAndHash(ctx, prm, p.BktInfo)
if err != nil {
return err
}
objIDToDelete, err := n.treeService.PutNotificationConfigurationNode(ctx, p.BktInfo, objID)
objIDToDeleteNotFound := errorsStd.Is(err, ErrNoNodeToRemove)
if err != nil && !objIDToDeleteNotFound {
return err
}
if !objIDToDeleteNotFound {
if err = n.objectDelete(ctx, p.BktInfo, objIDToDelete); err != nil {
n.log.Error("couldn't delete notification configuration object", zap.Error(err),
zap.String("cnrID", p.BktInfo.CID.EncodeToString()),
zap.String("bucket name", p.BktInfo.Name),
zap.String("objID", objIDToDelete.EncodeToString()))
}
}
n.cache.PutNotificationConfiguration(n.Owner(ctx), p.BktInfo, p.Configuration)
return nil
}
func (n *layer) GetBucketNotificationConfiguration(ctx context.Context, bktInfo *data.BucketInfo) (*data.NotificationConfiguration, error) {
owner := n.Owner(ctx)
if conf := n.cache.GetNotificationConfiguration(owner, bktInfo); conf != nil {
return conf, nil
}
objID, err := n.treeService.GetNotificationConfigurationNode(ctx, bktInfo)
objIDNotFound := errorsStd.Is(err, ErrNodeNotFound)
if err != nil && !objIDNotFound {
return nil, err
}
conf := &data.NotificationConfiguration{}
if !objIDNotFound {
obj, err := n.objectGet(ctx, bktInfo, objID)
if err != nil {
return nil, err
}
if err = xml.Unmarshal(obj.Payload(), &conf); err != nil {
return nil, fmt.Errorf("unmarshal notify configuration: %w", err)
}
}
n.cache.PutNotificationConfiguration(owner, bktInfo, conf)
return conf, nil
}