package weed_server import ( "context" "github.com/chrislusf/raft" "github.com/chrislusf/seaweedfs/weed/operation" "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb" ) func (ms *MasterServer) CollectionList(ctx context.Context, req *master_pb.CollectionListRequest) (*master_pb.CollectionListResponse, error) { if !ms.Topo.IsLeader() { return nil, raft.NotLeaderError } resp := &master_pb.CollectionListResponse{} collections := ms.Topo.ListCollections(req.IncludeNormalVolumes, req.IncludeEcVolumes) for _, c := range collections { resp.Collections = append(resp.Collections, &master_pb.Collection{ Name: c, }) } return resp, nil } func (ms *MasterServer) CollectionDelete(ctx context.Context, req *master_pb.CollectionDeleteRequest) (*master_pb.CollectionDeleteResponse, error) { if !ms.Topo.IsLeader() { return nil, raft.NotLeaderError } resp := &master_pb.CollectionDeleteResponse{} err := ms.doDeleteNormalCollection(req.Name) if err != nil { return nil, err } err = ms.doDeleteEcCollection(req.Name) if err != nil { return nil, err } return resp, nil } func (ms *MasterServer) doDeleteNormalCollection(collectionName string) error { collection, ok := ms.Topo.FindCollection(collectionName) if !ok { return nil } for _, server := range collection.ListVolumeServers() { err := operation.WithVolumeServerClient(server.ServerAddress(), ms.grpcDialOption, func(client volume_server_pb.VolumeServerClient) error { _, deleteErr := client.DeleteCollection(context.Background(), &volume_server_pb.DeleteCollectionRequest{ Collection: collectionName, }) return deleteErr }) if err != nil { return err } } ms.Topo.DeleteCollection(collectionName) return nil } func (ms *MasterServer) doDeleteEcCollection(collectionName string) error { listOfEcServers := ms.Topo.ListEcServersByCollection(collectionName) for _, server := range listOfEcServers { err := operation.WithVolumeServerClient(server, ms.grpcDialOption, func(client volume_server_pb.VolumeServerClient) error { _, deleteErr := client.DeleteCollection(context.Background(), &volume_server_pb.DeleteCollectionRequest{ Collection: collectionName, }) return deleteErr }) if err != nil { return err } } ms.Topo.DeleteEcCollection(collectionName) return nil }