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package server
import (
"context"
"fmt"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"golang.org/x/sync/errgroup"
"gitlab.com/gitlab-org/gitaly/internal/helper"
)
// ServerInfo sends ServerInfoRequest to all of a praefect server's internal gitaly nodes and aggregates the results into
// a response
func (s *Server) ServerInfo(ctx context.Context, in *gitalypb.ServerInfoRequest) (*gitalypb.ServerInfoResponse, error) {
storageStatuses := make([][]*gitalypb.ServerInfoResponse_StorageStatus, len(s.conf.Nodes))
var gitVersion, serverVersion string
g, ctx := errgroup.WithContext(ctx)
for i, node := range s.conf.Nodes {
i := i // necessary since it will be used in a goroutine below
node := node
cc, err := s.clientCC.GetConnection(node.Storage)
if err != nil {
return nil, helper.ErrInternalf("error getting client connection for %s: %v", node.Storage, err)
}
g.Go(func() error {
client := gitalypb.NewServerServiceClient(cc)
resp, err := client.ServerInfo(ctx, &gitalypb.ServerInfoRequest{})
if err != nil {
return fmt.Errorf("error when requesting server info from internal storage %v", node.Storage)
}
storageStatuses[i] = resp.GetStorageStatuses()
if node.DefaultPrimary {
gitVersion, serverVersion = resp.GetGitVersion(), resp.GetServerVersion()
}
return nil
})
}
if err := g.Wait(); err != nil {
return nil, helper.ErrInternal(err)
}
var response gitalypb.ServerInfoResponse
for _, storageStatus := range storageStatuses {
response.StorageStatuses = append(response.StorageStatuses, storageStatus...)
}
response.GitVersion, response.ServerVersion = gitVersion, serverVersion
return &response, nil
}
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