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[#429] Add tree service for notifications

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Signed-off-by: Angira Kekteeva <kira@nspcc.ru>
This commit is contained in:
Angira Kekteeva 2022-05-12 04:50:52 +03:00 committed by Alex Vanin
parent b03ae827fb
commit 7520952792
3 changed files with 93 additions and 25 deletions
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62
api/layer/notifications.go
View file

@ -4,11 +4,11 @@ import (
"bytes"
"context"
"encoding/xml"
errorsStd "errors"
"fmt"
"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/api/data"
"github.com/nspcc-dev/neofs-s3-gw/api/errors"
"go.uber.org/zap"
)
@ -24,20 +24,43 @@ func (n *layer) PutBucketNotificationConfiguration(ctx context.Context, p *PutBu
return fmt.Errorf("marshal notify configuration: %w", err)
}
ids, nodeIds, err := n.treeService.GetNotificationConfigurationNodes(ctx, &p.BktInfo.CID, false)
if err != nil && !errorsStd.Is(err, ErrNodeNotFound) {
return err
}
sysName := p.BktInfo.NotificationConfigurationObjectName()
s := &PutSystemObjectParams{
BktInfo: p.BktInfo,
ObjName: p.BktInfo.NotificationConfigurationObjectName(),
ObjName: sysName,
Metadata: map[string]string{},
Reader: bytes.NewReader(confXML),
Size: int64(len(confXML)),
}
_, err = n.putSystemObjectIntoNeoFS(ctx, s)
obj, err := n.putSystemObjectIntoNeoFS(ctx, s)
if err != nil {
return err
}
if err = n.systemCache.PutNotificationConfiguration(systemObjectKey(p.BktInfo, s.ObjName), p.Configuration); err != nil {
if err = n.treeService.PutNotificationConfigurationNode(ctx, &p.BktInfo.CID, &obj.ID); err != nil {
return err
}
for i := 0; i < len(ids); i++ {
if err = n.objectDelete(ctx, p.BktInfo, *ids[i]); 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", ids[i].EncodeToString()))
}
if err = n.treeService.DeleteNotificationConfigurationNode(ctx, &p.BktInfo.CID, nodeIds[i]); err != nil {
return err
}
}
if err = n.systemCache.PutNotificationConfiguration(systemObjectKey(p.BktInfo, sysName), p.Configuration); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
@ -45,38 +68,33 @@ func (n *layer) PutBucketNotificationConfiguration(ctx context.Context, p *PutBu
}
func (n *layer) GetBucketNotificationConfiguration(ctx context.Context, bktInfo *data.BucketInfo) (*data.NotificationConfiguration, error) {
conf, err := n.getNotificationConf(ctx, bktInfo, bktInfo.NotificationConfigurationObjectName())
if err != nil {
if errors.IsS3Error(err, errors.ErrNoSuchKey) {
return &data.NotificationConfiguration{}, nil
}
return nil, err
}
systemCacheKey := systemObjectKey(bktInfo, bktInfo.NotificationConfigurationObjectName())
if conf := n.systemCache.GetNotificationConfiguration(systemCacheKey); conf != nil {
return conf, nil
}
func (n *layer) getNotificationConf(ctx context.Context, bkt *data.BucketInfo, sysName string) (*data.NotificationConfiguration, error) {
if conf := n.systemCache.GetNotificationConfiguration(systemObjectKey(bkt, sysName)); conf != nil {
return conf, nil
}
obj, err := n.getSystemObjectFromNeoFS(ctx, bkt, sysName)
if err != nil {
ids, _, err := n.treeService.GetNotificationConfigurationNodes(ctx, &bktInfo.CID, true)
if err != nil && !errorsStd.Is(err, ErrNodeNotFound) {
return nil, err
}
conf := &data.NotificationConfiguration{}
if len(ids) != 0 {
obj, err := n.objectGet(ctx, bktInfo, *ids[0])
if err != nil {
return nil, err
}
if err = xml.Unmarshal(obj.Payload(), &conf); err != nil {
return nil, fmt.Errorf("unmarshal notify configuration: %w", err)
}
}
if err = n.systemCache.PutNotificationConfiguration(systemObjectKey(bkt, sysName), conf); err != nil {
objID, _ := obj.ID()
if err = n.systemCache.PutNotificationConfiguration(systemCacheKey, conf); err != nil {
n.log.Warn("couldn't put system meta to objects cache",
zap.Stringer("object id", &objID),
zap.Stringer("bucket id", bkt.CID),
zap.Stringer("bucket id", bktInfo.CID),
zap.Error(err))
}

5
api/layer/tree_service.go
View file

@ -6,6 +6,7 @@ import (
"github.com/nspcc-dev/neofs-s3-gw/api/data"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
)
// TreeService provide interface to interact with tree service using s3 data models.
@ -17,6 +18,10 @@ type TreeService interface {
//
// If node is not found returns ErrNodeNotFound error.
GetSettingsNode(context.Context, *cid.ID, string) (*data.BucketSettings, error)
GetNotificationConfigurationNodes(ctx context.Context, cnrID *cid.ID, latestOnly bool) ([]*oid.ID, []uint64, error)
PutNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID, objID *oid.ID) error
DeleteNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID, nodeID uint64) error
}
// ErrNodeNotFound is returned from Tree service in case of not found error.

45
internal/neofs/tree.go
View file

@ -38,6 +38,9 @@ const (
systemNameKV = "SystemName"
settingsFileName = "bucket-settings"
notifConfFileName = "bucket-notifications"
notifTreeID = "notifications"
)
// NewTreeClient creates instance of TreeClient using provided address and create grpc connection.
@ -126,6 +129,36 @@ func (c *TreeClient) PutSettingsNode(ctx context.Context, cnrID *cid.ID, treeID
return c.moveNode(ctx, cnrID, treeID, node.ID, 0, meta)
}
func (c *TreeClient) GetNotificationConfigurationNodes(ctx context.Context, cnrID *cid.ID, latestOnly bool) ([]*oid.ID, []uint64, error) {
nodes, err := c.getSystemNodesWithOID(ctx, cnrID, notifTreeID, notifConfFileName, []string{}, latestOnly)
if err != nil {
return nil, nil, err
}
ids := make([]*oid.ID, 0, len(nodes))
nodeIds := make([]uint64, 0, len(nodes))
for _, n := range nodes {
ids = append(ids, n.ObjID)
nodeIds = append(nodeIds, n.ID)
}
return ids, nodeIds, nil
}
func (c *TreeClient) PutNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID, objID *oid.ID) error {
meta := make(map[string]string)
meta[systemNameKV] = notifConfFileName
meta[oidKv] = objID.EncodeToString()
_, err := c.addNode(ctx, cnrID, notifTreeID, 0, meta)
return err
}
func (c *TreeClient) DeleteNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID, nodeID uint64) error {
return c.removeNode(ctx, cnrID, notifTreeID, nodeID)
}
func (c *TreeClient) Close() error {
if c.conn != nil {
return c.conn.Close()
@ -239,6 +272,18 @@ func (c *TreeClient) moveNode(ctx context.Context, cnrID *cid.ID, treeID string,
return err
}
func (c *TreeClient) removeNode(ctx context.Context, cnrID *cid.ID, treeID string, nodeID uint64) error {
r := &tree.RemoveRequest{
Body: &tree.RemoveRequest_Body{
ContainerId: []byte(cnrID.EncodeToString()),
TreeId: treeID,
NodeId: nodeID,
},
}
_, err := c.service.Remove(ctx, r)
return err
}
func metaToKV(meta map[string]string) []*tree.KeyValue {
result := make([]*tree.KeyValue, 0, len(meta))