| /* |
| * Licensed to the 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. |
| * The 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 util |
| |
| import ( |
| dto "github.com/prometheus/client_model/go" |
| ) |
| |
| // Get value of metricFamily |
| func MetricValueOf(mf *dto.MetricFamily) float64 { |
| if len(mf.GetMetric()) == 0 { |
| return 0 |
| } |
| |
| switch mf.GetType() { |
| case dto.MetricType_GAUGE: |
| return mf.GetMetric()[0].GetGauge().GetValue() |
| case dto.MetricType_COUNTER: |
| return metricCounterOf(mf.GetMetric()) |
| case dto.MetricType_SUMMARY: |
| return metricSummaryOf(mf.GetMetric()) |
| default: |
| return 0 |
| } |
| } |
| |
| func metricCounterOf(m []*dto.Metric) float64 { |
| var sum float64 = 0 |
| for _, d := range m { |
| sum += d.GetCounter().GetValue() |
| } |
| return sum |
| } |
| |
| func metricSummaryOf(m []*dto.Metric) float64 { |
| var ( |
| count uint64 = 0 |
| sum float64 = 0 |
| ) |
| for _, d := range m { |
| count += d.GetSummary().GetSampleCount() |
| sum += d.GetSummary().GetSampleSum() |
| } |
| |
| if count == 0 { |
| return 0 |
| } |
| |
| return sum / float64(count) |
| } |