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90 lines
2.3 KiB
90 lines
2.3 KiB
// Copyright 2019 HAProxy Technologies
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package runtime
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import (
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"fmt"
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"strings"
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"github.com/mitchellh/mapstructure"
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"github.com/haproxytech/client-native/v6/models"
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)
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// GetStats fetches HAProxy stats from runtime API
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func (s *SingleRuntime) GetStats() *models.NativeStatsCollection {
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rAPI := ""
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if s.worker != 0 {
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rAPI = fmt.Sprintf("%s@%v", s.socketPath, s.worker)
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} else {
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rAPI = s.socketPath
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}
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result := &models.NativeStatsCollection{RuntimeAPI: rAPI}
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rawdata, err := s.ExecuteRaw("show stat")
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if err != nil {
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result.Error = err.Error()
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return result
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}
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lines := strings.Split(rawdata[2:], "\n")
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stats := []*models.NativeStat{}
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keys := strings.Split(lines[0], ",")
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for i := 1; i < len(lines); i++ {
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data := map[string]string{}
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line := strings.Split(lines[i], ",")
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if len(line) < len(keys) {
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continue
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}
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for index, key := range keys {
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if len(line[index]) > 0 {
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data[key] = line[index]
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}
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}
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oneLineData := &models.NativeStat{}
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switch line[32] { // 32. type [LFBS]: (0=frontend, 1=backend, 2=server, 3=socket/listener)
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case "0", "1":
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oneLineData.Name = line[0]
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oneLineData.Type = strings.ToLower(line[1])
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case "2":
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oneLineData.Name = line[1]
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oneLineData.Type = "server"
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oneLineData.BackendName = line[0]
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case "3":
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// we ignore socket/listener
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default:
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// add logging when available fmt.Printf("unexpected stat type: %s", line[32])
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}
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var st models.NativeStatStats
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decoder, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
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Result: &st,
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WeaklyTypedInput: true,
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TagName: "json",
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})
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if err != nil {
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continue
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}
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err = decoder.Decode(data)
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if err != nil {
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continue
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}
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oneLineData.Stats = &st
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stats = append(stats, oneLineData)
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}
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result.Stats = stats
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return result
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}
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