mirror of
https://github.com/lus/pasty.git
synced 2023-08-10 21:13:09 +03:00
103 lines
3.2 KiB
Go
103 lines
3.2 KiB
Go
package main
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import (
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"context"
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"errors"
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"github.com/lus/pasty/internal/config"
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"github.com/lus/pasty/internal/meta"
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"github.com/lus/pasty/internal/storage"
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"github.com/lus/pasty/internal/storage/postgres"
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"github.com/lus/pasty/internal/web"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"net/http"
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"os"
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"os/signal"
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"strings"
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)
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func main() {
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// Set up the logger
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zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
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if !meta.IsProdEnvironment() {
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log.Logger = log.Output(zerolog.ConsoleWriter{
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Out: os.Stderr,
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})
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log.Warn().Msg("This distribution was compiled for development mode and is thus not meant to be run in production!")
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}
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// Load the configuration
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cfg, err := config.Load()
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if err != nil {
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log.Fatal().Err(err).Msg("Could not load the configuration.")
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}
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// Adjust the log level
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if !meta.IsProdEnvironment() {
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zerolog.SetGlobalLevel(zerolog.DebugLevel)
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} else {
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level, err := zerolog.ParseLevel(cfg.LogLevel)
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if err != nil {
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log.Warn().Msg("An invalid log level was configured. Falling back to 'info'.")
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level = zerolog.InfoLevel
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}
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zerolog.SetGlobalLevel(level)
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}
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// Determine the correct storage driver to use
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var driver storage.Driver
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switch strings.TrimSpace(strings.ToLower(cfg.StorageDriver)) {
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case "postgres":
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driver = postgres.New(cfg.Postgres.DSN)
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break
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default:
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log.Fatal().Str("driver_name", cfg.StorageDriver).Msg("An invalid storage driver name was given.")
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return
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}
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// Initialize the configured storage driver
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log.Info().Str("driver_name", cfg.StorageDriver).Msg("Initializing the storage driver...")
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if err := driver.Initialize(context.Background()); err != nil {
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log.Fatal().Err(err).Str("driver_name", cfg.StorageDriver).Msg("The storage driver could not be initialized.")
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return
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}
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defer func() {
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log.Info().Msg("Shutting down the storage driver...")
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if err := driver.Close(); err != nil {
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log.Err(err).Str("driver_name", cfg.StorageDriver).Msg("Could not shut down the storage driver.")
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}
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}()
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// Start the web server
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log.Info().Str("address", cfg.WebAddress).Msg("Starting the web server...")
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webServer := &web.Server{
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Address: cfg.WebAddress,
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Storage: driver,
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HastebinSupport: cfg.HastebinSupport,
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PasteIDLength: cfg.IDLength,
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PasteIDCharset: cfg.IDCharacters,
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PasteLengthCap: cfg.LengthCap,
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ModificationTokensEnabled: cfg.ModificationTokens,
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ModificationTokenLength: cfg.ModificationTokenLength,
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ModificationTokenCharset: cfg.ModificationTokenCharacters,
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AdminTokens: []string{cfg.ModificationTokenMaster},
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}
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go func() {
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if err := webServer.Start(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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log.Fatal().Err(err).Msg("Could not start the web server.")
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}
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}()
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defer func() {
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log.Info().Msg("Shutting down the web server...")
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if err := webServer.Shutdown(context.Background()); err != nil {
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log.Err(err).Msg("Could not shut down the web server.")
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}
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}()
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// Wait for an interrupt signal
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log.Info().Msg("The application has been started. Use Ctrl+C to shut it down.")
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shutdownChan := make(chan os.Signal, 1)
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signal.Notify(shutdownChan, os.Interrupt)
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<-shutdownChan
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}
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