111 lines
3.6 KiB
Go
111 lines
3.6 KiB
Go
/*
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* MumbleDJ
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* By Matthieu Grieger
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* bot/startup.go
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* Copyright (c) 2016 Matthieu Grieger (MIT License)
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*/
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package bot
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import (
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"errors"
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"fmt"
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"os/exec"
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"github.com/Sirupsen/logrus"
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"github.com/spf13/viper"
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)
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// PerformStartupChecks executes the suite of startup checks that are run before the bot
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// connects to the server.
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func PerformStartupChecks() {
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logrus.WithFields(logrus.Fields{
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"num_services": fmt.Sprintf("%d", len(DJ.AvailableServices)),
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}).Infoln("Checking for availability of services...")
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for i := len(DJ.AvailableServices) - 1; i >= 0; i-- {
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if err := DJ.AvailableServices[i].CheckAPIKey(); err != nil {
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name := DJ.AvailableServices[i].GetReadableName()
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logrus.WithFields(logrus.Fields{
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"service": name,
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"error": err.Error(),
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}).Warnln("A startup check discovered an issue. The service will be disabled.")
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// Remove service from enabled services.
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DJ.AvailableServices = append(DJ.AvailableServices[:i], DJ.AvailableServices[i+1:]...)
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}
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}
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if len(DJ.AvailableServices) == 0 {
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logrus.Fatalln("The bot cannot continue as no services are enabled.")
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}
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if err := checkYouTubeDLInstallation(); err != nil {
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logrus.Fatalln("youtube-dl is either not installed or is not discoverable in $PATH. youtube-dl is required to download audio.")
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}
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if viper.GetString("defaults.player_command") == "ffmpeg" {
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if err := checkFfmpegInstallation(); err != nil {
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logrus.Fatalln("ffmpeg is either not installed or is not discoverable in $PATH. If you would like to use avconv instead, change the defaults.player_command value in the configuration file.")
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}
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} else if viper.GetString("defaults.player_command") == "avconv" {
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if err := checkAvconvInstallation(); err != nil {
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logrus.Fatalln("avconv is either not installed or is not discoverable in $PATH. If you would like to use ffmpeg instead, change the defaults.player_command value in the configuration file.")
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}
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} else {
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logrus.Fatalln("The player command provided in the configuration file is invalid. Valid choices are: \"ffmpeg\", \"avconv\".")
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}
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if err := checkAria2Installation(); err != nil {
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logrus.Warnln("aria2 is not installed or is not discoverable in $PATH. The bot will still partially work, but some services will not work properly.")
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}
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if err := checkOpenSSLInstallation(); err != nil {
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logrus.Warnln("openssl is not installed or is not discoverable in $PATH. p12 certificate files will not work.")
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}
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}
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func checkYouTubeDLInstallation() error {
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logrus.Infoln("Checking YouTubeDL installation...")
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command := exec.Command("youtube-dl", "--version")
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if err := command.Run(); err != nil {
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return errors.New("youtube-dl is not properly installed")
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}
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return nil
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}
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func checkFfmpegInstallation() error {
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logrus.Infoln("Checking ffmpeg installation...")
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command := exec.Command("ffmpeg", "-version")
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if err := command.Run(); err != nil {
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return errors.New("ffmpeg is not properly installed")
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}
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return nil
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}
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func checkAvconvInstallation() error {
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logrus.Infoln("Checking avconv installation...")
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command := exec.Command("avconv", "-version")
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if err := command.Run(); err != nil {
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return errors.New("avconv is not properly installed")
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}
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return nil
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}
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func checkAria2Installation() error {
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logrus.Infoln("Checking aria2c installation...")
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command := exec.Command("aria2c", "-v")
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if err := command.Run(); err != nil {
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return errors.New("aria2c is not properly installed")
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}
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return nil
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}
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func checkOpenSSLInstallation() error {
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logrus.Infoln("Checking openssl installation...")
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command := exec.Command("openssl", "version")
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if err := command.Run(); err != nil {
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return errors.New("openssl is not properly installed")
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}
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return nil
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}
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