frostfs-node/pkg/services/private/server/healthcheck.go

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package private
import (
"context"
"github.com/nspcc-dev/neofs-node/pkg/services/private"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// HealthCheck returns health status of the local node.
//
// If request is unsigned or signed by disallowed key, permission error returns.
func (s *Server) HealthCheck(_ context.Context, req *private.HealthCheckRequest) (*private.HealthCheckResponse, error) {
// verify request
if err := s.isValidRequest(req); err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
// create and fill response
resp := new(private.HealthCheckResponse)
body := new(private.HealthCheckResponse_Body)
resp.SetBody(body)
body.SetStatus(s.healthChecker.HealthStatus())
// sign the response
if err := SignMessage(s.key, resp); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}