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https://github.com/prometheus-community/json_exporter
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2b8fbee030
* Update go to 1.20. * Update Prometheus CI orb. * Add landing page. * Update Go modules. * Update golangci-lint. Signed-off-by: SuperQ <superq@gmail.com>
97 lines
2.5 KiB
Go
97 lines
2.5 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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"os"
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pconfig "github.com/prometheus/common/config"
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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 ScrapeType
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ValueType ValueType
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EpochTimestamp string
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Help string
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Values map[string]string
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}
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type ScrapeType string
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const (
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ValueScrape ScrapeType = "value" // default
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ObjectScrape ScrapeType = "object"
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)
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type ValueType string
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const (
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ValueTypeGauge ValueType = "gauge"
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ValueTypeCounter ValueType = "counter"
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ValueTypeUntyped ValueType = "untyped"
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)
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// Config contains multiple modules.
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type Config struct {
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Modules map[string]Module `yaml:"modules"`
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}
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// Module contains metrics and headers defining a configuration
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type Module struct {
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Headers map[string]string `yaml:"headers,omitempty"`
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Metrics []Metric `yaml:"metrics"`
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HTTPClientConfig pconfig.HTTPClientConfig `yaml:"http_client_config,omitempty"`
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Body Body `yaml:"body,omitempty"`
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ValidStatusCodes []int `yaml:"valid_status_codes,omitempty"`
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}
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type Body struct {
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Content string `yaml:"content"`
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Templatize bool `yaml:"templatize,omitempty"`
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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 := os.ReadFile(configPath)
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if err != nil {
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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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return config, err
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}
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// Complete Defaults
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for _, module := range config.Modules {
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for i := 0; i < len(module.Metrics); i++ {
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if module.Metrics[i].Type == "" {
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module.Metrics[i].Type = ValueScrape
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}
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if module.Metrics[i].Help == "" {
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module.Metrics[i].Help = module.Metrics[i].Name
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}
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if module.Metrics[i].ValueType == "" {
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module.Metrics[i].ValueType = ValueTypeUntyped
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}
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}
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}
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return config, nil
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}
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