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package server
import (
"context"
"fmt"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
)
// DiskStatistics sends DiskStatisticsRequest to all of a praefect server's internal gitaly nodes and aggregates the
// results into a response
func (s *Server) DiskStatistics(ctx context.Context, _ *gitalypb.DiskStatisticsRequest) (*gitalypb.DiskStatisticsResponse, error) {
var storageStatuses [][]*gitalypb.DiskStatisticsResponse_StorageStatus
for _, virtualStorage := range s.conf.VirtualStorages {
shard, err := s.nodeMgr.GetShard(virtualStorage.Name)
if err != nil {
return nil, err
}
primary, err := shard.GetPrimary()
if err != nil {
return nil, err
}
secondaries, err := shard.GetSecondaries()
if err != nil {
return nil, err
}
for _, node := range append(secondaries, primary) {
client := gitalypb.NewServerServiceClient(node.GetConnection())
resp, err := client.DiskStatistics(ctx, &gitalypb.DiskStatisticsRequest{})
if err != nil {
return nil, fmt.Errorf("error when requesting disk statistics from internal storage %v", node.GetStorage())
}
storageStatuses = append(storageStatuses, resp.GetStorageStatuses())
}
}
var response gitalypb.DiskStatisticsResponse
for _, storageStatus := range storageStatuses {
response.StorageStatuses = append(response.StorageStatuses, storageStatus...)
}
return &response, nil
}
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