84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package main
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import (
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"log"
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"strings"
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"github.com/spf13/viper"
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"gitlab.crans.org/nounous/ghostream/auth"
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"gitlab.crans.org/nounous/ghostream/internal/monitoring"
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"gitlab.crans.org/nounous/ghostream/web"
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)
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func loadConfiguration() {
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// Load configuration from environnement variables
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// Replace "." to "_" for nested structs
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// e.g. GHOSTREAM_LDAP_URI will apply to Config.LDAP.URI
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viper.SetEnvPrefix("ghostream")
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replacer := strings.NewReplacer(".", "_")
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viper.SetEnvKeyReplacer(replacer)
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viper.AutomaticEnv()
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// Load configuration file if exists
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viper.SetConfigName("ghostream")
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viper.SetConfigType("yaml")
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viper.AddConfigPath("$HOME/.ghostream")
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viper.AddConfigPath("/etc/ghostream")
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viper.AddConfigPath(".")
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if err := viper.ReadInConfig(); err != nil {
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if _, ok := err.(viper.ConfigFileNotFoundError); ok {
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// Config file not found, ignore and use defaults
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log.Print(err)
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} else {
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// Config file was found but another error was produced
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log.Fatal(err)
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}
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} else {
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// Config loaded
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log.Printf("Using config file: %s", viper.ConfigFileUsed())
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}
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// Define configuration default values
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viper.SetDefault("Auth.Backend", "Basic")
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viper.SetDefault("Auth.LDAP.URI", "ldap://127.0.0.1:389")
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viper.SetDefault("Auth.LDAP.UserDn", "cn=users,dc=example,dc=com")
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viper.SetDefault("Monitoring.ListenAddress", ":2112")
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viper.SetDefault("Web.ListenAddress", "127.0.0.1:8080")
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viper.SetDefault("Web.Name", "Ghostream")
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viper.SetDefault("Web.Hostname", "localhost")
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viper.SetDefault("Web.Favicon", "/favicon.ico")
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}
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func main() {
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// Load configuration
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loadConfiguration()
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cfg := struct {
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Auth auth.Options
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Monitoring monitoring.Options
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Web web.Options
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}{}
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if err := viper.Unmarshal(&cfg); err != nil {
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log.Fatalln("Failed to load settings", err)
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}
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// Init authentification
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authBackend, err := auth.New(&cfg.Auth)
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if err != nil {
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log.Fatalln("Failed to load authentification backend:", err)
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}
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defer authBackend.Close()
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// Start web server routine
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go func() {
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web.ServeHTTP(&cfg.Web)
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}()
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// Start monitoring server routine
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go func() {
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monitoring.ServeHTTP(&cfg.Monitoring)
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}()
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// Wait for routines
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select {}
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}
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