87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package main
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import (
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"log"
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"os"
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"os/user"
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"path"
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"path/filepath"
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"github.com/kkyr/fig"
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)
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// Configurations relating to HTTP server.
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type HTTPConfig struct {
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BindAddr string `fig:"bind_addr"`
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Port uint `fig:"port"`
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Debug bool `fig:"debug"`
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APIKey string `fig:"api_key"`
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Enabled bool `fig:"enabled"`
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}
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// Configuration Structure.
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type Config struct {
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HTTP HTTPConfig `fig:"http"`
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MidiRouters []*MidiRouter `fig:"midi_routers"`
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}
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// Load the configuration.
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func (a *App) ReadConfig() {
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usr, err := user.Current()
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if err != nil {
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log.Fatal(err)
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}
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// Configuration paths.
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localConfig, _ := filepath.Abs("./config.yaml")
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homeDirConfig := usr.HomeDir + "/.config/midi-request-trigger/config.yaml"
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etcConfig := "/etc/midi-request-trigger/config.yaml"
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// Determine which configuration to use.
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var configFile string
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if _, err := os.Stat(app.flags.ConfigPath); err == nil && app.flags.ConfigPath != "" {
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configFile = app.flags.ConfigPath
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} else if _, err := os.Stat(localConfig); err == nil {
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configFile = localConfig
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} else if _, err := os.Stat(homeDirConfig); err == nil {
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configFile = homeDirConfig
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} else if _, err := os.Stat(etcConfig); err == nil {
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configFile = etcConfig
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} else {
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log.Println("Unable to find a configuration file.")
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}
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// Load the configuration file.
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config := &Config{
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HTTP: HTTPConfig{
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BindAddr: "",
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Port: 34936,
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Debug: true,
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Enabled: false,
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},
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}
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// Load configuration.
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filePath, fileName := path.Split(configFile)
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err = fig.Load(config,
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fig.File(fileName),
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fig.Dirs(filePath),
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)
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if err != nil {
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app.config = config
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log.Printf("Error parsing configuration: %s\n", err)
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return
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}
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// Flag Overrides.
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if app.flags.HTTPBind != "" {
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config.HTTP.BindAddr = app.flags.HTTPBind
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}
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if app.flags.HTTPPort != 0 {
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config.HTTP.Port = app.flags.HTTPPort
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}
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// Set global config structure.
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app.config = config
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}
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