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Add method to find all ID's for the nice names

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Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>
This commit is contained in:
Evgeniy Kulikov 2020-08-20 22:33:59 +03:00
parent a3c95cffb1
commit 21591ebe65
1 changed files with 32 additions and 16 deletions
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48
api/layer/object.go
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@ -120,13 +120,10 @@ func (n *layer) objectSearchContainer(ctx context.Context, cid refs.CID) ([]refs
return result, nil
}
// objectFindID returns object id (uuid) based on it's nice name in s3. If
// objectFindIDs returns object id's (uuid) based on they nice name in s3. If
// nice name is uuid compatible, then function returns it.
func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put bool) (refs.ObjectID, error) {
var (
id refs.ObjectID
q query.Query
)
func (n *layer) objectFindIDs(ctx context.Context, cid refs.CID, name string) ([]refs.ObjectID, error) {
var q query.Query
q.Filters = append(q.Filters, query.Filter{
Type: query.Filter_Exact,
@ -140,12 +137,12 @@ func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put
queryBinary, err := q.Marshal()
if err != nil {
return id, err
return nil, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
return id, err
return nil, err
}
token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
@ -154,7 +151,7 @@ func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put
Verb: service.Token_Info_Search,
})
if err != nil {
return id, err
return nil, err
}
req := new(object.SearchRequest)
@ -167,7 +164,7 @@ func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put
err = service.SignRequestData(n.key, req)
if err != nil {
return id, err
return nil, err
}
// todo: think about timeout
@ -176,7 +173,7 @@ func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put
searchClient, err := object.NewServiceClient(conn).Search(ctx, req)
if err != nil {
return id, err
return nil, err
}
var response []refs.Address
@ -188,18 +185,33 @@ func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put
break
}
return id, errors.New("search command received error")
return nil, errors.New("search command received error")
}
response = append(response, resp.Addresses...)
}
switch ln := len(response); {
case ln > 1:
return id, errors.New("several objects with the same name found")
case ln == 1:
return response[0].ObjectID, nil
case ln > 0:
result := make([]refs.ObjectID, 0, len(response))
for i := range response {
result = append(result, response[i].ObjectID)
}
return result, nil
default:
return nil, errors.New("object not found")
}
}
// objectFindID returns object id (uuid) based on it's nice name in s3. If
// nice name is uuid compatible, then function returns it.
func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put bool) (refs.ObjectID, error) {
var id refs.ObjectID
if result, err := n.objectFindIDs(ctx, cid, name); err != nil {
return id, err
} else if ln := len(result); ln == 0 {
// Minio lists all objects with and without nice names. All objects
// without nice name still have "name" in terms of minio - uuid encoded
// into string. There is a tricky case when user upload object
@ -215,7 +227,11 @@ func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put
}
}
return id, errors.New("object not found")
} else if ln == 1 {
return result[0], nil
}
return id, errors.New("several objects with the same name found")
}
// objectHead returns all object's headers.