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master_grpc_server_collection.go
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master_grpc_server_collection.go
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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.Url(), 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
}