mirror of
https://github.com/prometheus-community/json_exporter
synced 2024-12-25 16:02:36 +00:00
c869516e98
* Make the working of this exporter similar to that of the blackbox_exporter to allow probing multiple targets. * Add functionality to add headers to the request * Update the example config to use `headers` as well as the `metrics` keys in alignment with the new code * Add default header 'Accept: application/json' Signed-off-by: rustyclock <rustyclock@protonmail.com>
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
// Copyright 2020 The Prometheus Authors
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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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package config
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import (
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"io/ioutil"
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log "github.com/sirupsen/logrus"
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"gopkg.in/yaml.v2"
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)
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// Metric contains values that define a metric
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type Metric struct {
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Name string
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Path string
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Labels map[string]string
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Type MetricType
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Help string
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Values map[string]string
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}
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type MetricType string
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const (
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ValueScrape MetricType = "value" // default
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ObjectScrape MetricType = "object"
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)
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// Config contains metrics and headers defining a configuration
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type Config struct {
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Headers map[string]string
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Metrics []Metric
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Global GlobalConfig
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}
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type GlobalConfig struct {
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TimeoutSeconds float64
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}
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func (metric *Metric) LabelNames() []string {
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var labelNames []string
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for name := range metric.Labels {
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labelNames = append(labelNames, name)
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}
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return labelNames
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}
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func LoadConfig(configPath string) (Config, error) {
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var config Config
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data, err := ioutil.ReadFile(configPath)
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if err != nil {
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log.Errorf("Failed to load config: %s, Error: %s", configPath, err)
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return config, err
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}
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if err := yaml.Unmarshal(data, &config); err != nil {
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log.Errorf("Failed to parse YAML: %s", err)
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return config, err
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}
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// Complete Defaults
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for i := 0; i < len(config.Metrics); i++ {
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if config.Metrics[i].Type == "" {
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config.Metrics[i].Type = ValueScrape
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//config.Metrics[i].Type = "DefaultScrapeType"
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}
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if config.Metrics[i].Help == "" {
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config.Metrics[i].Help = config.Metrics[i].Name
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}
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}
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if config.Global.TimeoutSeconds == 0 {
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config.Global.TimeoutSeconds = 10
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}
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return config, nil
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}
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