46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
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package yamlconfig
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import (
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"io"
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"github.com/pkg/errors"
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"gopkg.in/yaml.v3"
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)
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var ErrYAMLDecode = errors.New("error decoding YAML file")
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type YamlConfig struct {
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// List of targets to ping.
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Targets []struct {
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// Name of the target. Used to identify the target from Prometheus.
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Name string `yaml:"name"`
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// URL of the target. The target should be accessible from the machine running the exporter.
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// The URL should contain the protocol (http:// or https://) and the port if it's not the default one.
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URL string `yaml:"url"`
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// Interval to ping the target. Default is 5 seconds.
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Interval int `yaml:"interval,omitempty"`
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} `yaml:"targets"`
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}
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func NewYamlConfig(r io.Reader) (*YamlConfig, error) {
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d := yaml.NewDecoder(r)
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config := &YamlConfig{}
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if err := d.Decode(&config); err != nil {
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return nil, errors.Wrap(ErrYAMLDecode, err.Error())
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}
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applyDefault(config)
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return config, nil
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}
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func applyDefault(config *YamlConfig) {
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// Set default interval to 5 seconds if not provided
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for i := range config.Targets {
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if config.Targets[i].Interval == 0 {
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config.Targets[i].Interval = 5
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}
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}
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}
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