26ddc36a4e
will only scape metrics on pihole when asked on /metrics allow port 0 to be used when using strict https redirects Resolves: #49
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
package config
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import (
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"context"
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"fmt"
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"log"
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"reflect"
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"time"
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"github.com/heetch/confita"
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"github.com/heetch/confita/backend"
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"github.com/heetch/confita/backend/env"
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"github.com/heetch/confita/backend/flags"
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)
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// Config is the exporter CLI configuration.
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type Config struct {
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PIHoleProtocol string `config:"pihole_protocol"`
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PIHoleHostname string `config:"pihole_hostname"`
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PIHolePort uint16 `config:"pihole_port"`
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PIHolePassword string `config:"pihole_password"`
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PIHoleApiToken string `config:"pihole_api_token"`
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Port string `config:"port"`
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Interval time.Duration `config:"interval"`
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}
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func getDefaultConfig() *Config {
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return &Config{
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PIHoleProtocol: "http",
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PIHoleHostname: "127.0.0.1",
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PIHolePort: 80,
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PIHolePassword: "",
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PIHoleApiToken: "",
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Port: "9617",
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Interval: 10 * time.Second,
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}
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}
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// Load method loads the configuration by using both flag or environment variables.
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func Load() *Config {
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loaders := []backend.Backend{
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env.NewBackend(),
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flags.NewBackend(),
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}
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loader := confita.NewLoader(loaders...)
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cfg := getDefaultConfig()
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err := loader.Load(context.Background(), cfg)
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if err != nil {
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panic(err)
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}
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cfg.show()
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return cfg
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}
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//Validate check if the config is valid
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func (c Config) Validate() error {
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if c.PIHoleProtocol != "http" && c.PIHoleProtocol != "https" {
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return fmt.Errorf("protocol %s is invalid. Must be http or https", c.PIHoleProtocol)
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}
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return nil
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}
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func (c Config) hostnameURL() string {
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s := fmt.Sprintf("%s://%s", c.PIHoleProtocol, c.PIHoleHostname)
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if c.PIHolePort != 0 {
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s += fmt.Sprintf(":%d", c.PIHolePort)
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}
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return s
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}
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//PIHoleStatsURL returns the stats url
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func (c Config) PIHoleStatsURL() string {
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return c.hostnameURL() + "/admin/api.php?summaryRaw&overTimeData&topItems&recentItems&getQueryTypes&getForwardDestinations&getQuerySources&jsonForceObject"
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}
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//PIHoleLoginURL returns the login url
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func (c Config) PIHoleLoginURL() string {
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return c.hostnameURL() + "/admin/index.php?login"
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}
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func (c Config) show() {
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val := reflect.ValueOf(&c).Elem()
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log.Println("------------------------------------")
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log.Println("- PI-Hole exporter configuration -")
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log.Println("------------------------------------")
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for i := 0; i < val.NumField(); i++ {
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valueField := val.Field(i)
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typeField := val.Type().Field(i)
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// Do not print password or api token but do print the authentication method
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if typeField.Name != "PIHolePassword" && typeField.Name != "PIHoleApiToken" {
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log.Println(fmt.Sprintf("%s : %v", typeField.Name, valueField.Interface()))
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} else {
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showAuthenticationMethod(typeField.Name, valueField.String())
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}
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}
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log.Println("------------------------------------")
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}
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func showAuthenticationMethod(name, value string) {
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if len(value) > 0 {
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log.Println(fmt.Sprintf("Pi-Hole Authentication Method : %s", name))
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}
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}
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