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package weed_server
import (
"context"
"fmt"
"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()
for _, c := range collections {
resp.Collections = append(resp.Collections, &master_pb.Collection{
Name: c.Name,
})
}
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{}
collection, ok := ms.Topo.FindCollection(req.GetName())
if !ok {
return resp, fmt.Errorf("collection not found: %v", req.GetName())
}
for _, server := range collection.ListVolumeServers() {
err := operation.WithVolumeServerClient(server.Url(), ms.grpcDialOpiton, func(client volume_server_pb.VolumeServerClient) error {
_, deleteErr := client.DeleteCollection(context.Background(), &volume_server_pb.DeleteCollectionRequest{
Collection: collection.Name,
})
return deleteErr
})
if err != nil {
return nil, err
}
}
ms.Topo.DeleteCollection(req.GetName())
return resp, nil
}
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