1// Copyright 2020 Istio Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package common 16 17import ( 18 "istio.io/pkg/monitoring" 19) 20 21type EchoMetrics struct { 22 HTTPRequests monitoring.Metric 23 GrpcRequests monitoring.Metric 24 TCPRequests monitoring.Metric 25} 26 27var ( 28 PortLabel = monitoring.MustCreateLabel("port") 29 Metrics = &EchoMetrics{ 30 HTTPRequests: monitoring.NewSum( 31 "istio_echo_http_requests_total", 32 "The number of http requests total", 33 ), 34 GrpcRequests: monitoring.NewSum( 35 "istio_echo_grpc_requests_total", 36 "The number of grpc requests total", 37 ), 38 TCPRequests: monitoring.NewSum( 39 "istio_echo_tcp_requests_total", 40 "The number of tcp requests total", 41 ), 42 } 43) 44 45func init() { 46 monitoring.MustRegister(Metrics.HTTPRequests, Metrics.GrpcRequests, Metrics.TCPRequests) 47} 48