banyand/observability/meter_noop.go

//go:build !prometheus
// +build !prometheus

// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package observability

import (
	"google.golang.org/grpc"

	"github.com/apache/skywalking-banyandb/pkg/meter"
	"github.com/apache/skywalking-banyandb/pkg/run"
)

// NewMetricService returns a metric service.
func NewMetricService() run.Service {
	MetricsCollector.collect()
	return nil
}

// NewMeterProvider returns a meter.Provider based on the given scope.
func NewMeterProvider(_ meter.Scope) meter.Provider {
	return meter.NoopProvider{}
}

// MetricsServerInterceptor returns a grpc.UnaryServerInterceptor and a grpc.StreamServerInterceptor.
func MetricsServerInterceptor() (grpc.UnaryServerInterceptor, grpc.StreamServerInterceptor) {
	return nil, nil
}