frostfs-s3-gw/api/layer/container.go
Angira Kekteeva 3aa9aceda5 [#47] handler, layer: Add DeleteBucket
Signed-off-by: Angira Kekteeva <kira@nspcc.ru>
2021-06-23 23:25:00 +03:00

157 lines
3.6 KiB
Go

package layer
import (
"context"
"fmt"
"strconv"
"time"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
"github.com/nspcc-dev/neofs-sdk-go/pkg/pool"
"go.uber.org/zap"
)
type (
// BucketInfo stores basic bucket data.
BucketInfo struct {
Name string
CID *cid.ID
Owner *owner.ID
Created time.Time
}
// ListObjectsParams represents object listing request parameters.
ListObjectsParams struct {
Bucket string
Prefix string
Token string
Delimiter string
MaxKeys int
}
)
func (n *layer) containerInfo(ctx context.Context, cid *cid.ID) (*BucketInfo, error) {
var (
err error
res *container.Container
rid = api.GetRequestID(ctx)
bearerOpt = n.BearerOpt(ctx)
info = &BucketInfo{
CID: cid,
Name: cid.String(),
}
)
conn, _, err := n.pool.Connection()
if err != nil {
n.log.Error("failed to get connection from the pool",
zap.String("request_id", rid),
zap.Error(err))
return nil, err
}
res, err = conn.GetContainer(ctx, cid, bearerOpt)
if err != nil {
n.log.Error("could not fetch container",
zap.Stringer("cid", cid),
zap.String("request_id", rid),
zap.Error(err))
return nil, err
}
info.Owner = res.OwnerID()
for _, attr := range res.Attributes() {
switch key, val := attr.Key(), attr.Value(); key {
case container.AttributeName:
info.Name = val
case container.AttributeTimestamp:
unix, err := strconv.ParseInt(attr.Value(), 10, 64)
if err != nil {
n.log.Error("could not parse container creation time",
zap.Stringer("cid", cid),
zap.String("request_id", rid),
zap.String("created_at", val),
zap.Error(err))
continue
}
info.Created = time.Unix(unix, 0)
}
}
return info, nil
}
func (n *layer) containerList(ctx context.Context) ([]*BucketInfo, error) {
var (
err error
own = n.Owner(ctx)
bearerOpt = n.BearerOpt(ctx)
res []*cid.ID
rid = api.GetRequestID(ctx)
)
conn, _, err := n.pool.Connection()
if err != nil {
n.log.Error("failed to get connection from the pool",
zap.String("request_id", rid),
zap.Error(err))
return nil, err
}
res, err = conn.ListContainers(ctx, own, bearerOpt)
if err != nil {
n.log.Error("could not fetch container",
zap.String("request_id", rid),
zap.Error(err))
return nil, err
}
list := make([]*BucketInfo, 0, len(res))
for _, cid := range res {
info, err := n.containerInfo(ctx, cid)
if err != nil {
n.log.Error("could not fetch container info",
zap.String("request_id", rid),
zap.Error(err))
continue
}
list = append(list, info)
}
return list, nil
}
func (n *layer) createContainer(ctx context.Context, p *CreateBucketParams) (*cid.ID, error) {
cnr := container.New(
container.WithPolicy(p.Policy),
container.WithCustomBasicACL(p.ACL),
container.WithAttribute(container.AttributeName, p.Name),
container.WithAttribute(container.AttributeTimestamp, strconv.FormatInt(time.Now().Unix(), 10)))
cnr.SetSessionToken(ctx.Value(api.GateData).(*accessbox.GateData).SessionToken)
cnr.SetOwnerID(n.Owner(ctx))
cid, err := n.pool.PutContainer(ctx, cnr)
if err != nil {
return nil, fmt.Errorf("failed to create a bucket: %w", err)
}
err = n.pool.WaitForContainerPresence(ctx, cid, pool.DefaultPollingParams())
if err != nil {
return nil, err
}
return cid, nil
}
func (n *layer) deleteContainer(ctx context.Context, cid *cid.ID) error {
return n.pool.DeleteContainer(ctx, cid, n.SessionOpt(ctx))
}