65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
package main
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import (
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"context"
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"os"
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"os/signal"
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"syscall"
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"kvas2-go/models"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"gopkg.in/yaml.v3"
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)
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func main() {
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log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
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cfgFile, err := os.ReadFile("config.yaml")
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if err != nil {
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log.Fatal().Err(err).Msg("failed to read config.yaml")
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}
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cfg := models.ConfigFile{}
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err = yaml.Unmarshal(cfgFile, &cfg)
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if err != nil {
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log.Fatal().Err(err).Msg("failed to parse config.yaml")
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}
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app, err := New(cfg)
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if err != nil {
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log.Fatal().Err(err).Msg("failed to initialize application")
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}
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ctx, cancel := context.WithCancel(context.Background())
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log.Info().Msg("starting service")
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/*
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Starting app with graceful shutdown
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*/
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appResult := make(chan error)
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go func() {
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appResult <- app.Start(ctx)
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}()
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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for {
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select {
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case err, _ := <-appResult:
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if err != nil {
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log.Error().Err(err).Msg("failed to start application")
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}
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log.Info().Msg("exiting application")
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return
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case <-c:
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log.Info().Msg("shutting down service")
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cancel()
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}
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}
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}
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