91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
package main
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import (
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"context"
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"docker-updater/config"
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"docker-updater/contextutil"
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"docker-updater/docker/helper"
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"docker-updater/runtime"
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"flag"
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"log/slog"
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"os"
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"os/signal"
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)
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const (
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success int = 0
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failure int = 1
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usageError int = 2
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)
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func run(ctx context.Context, debug bool) int {
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var configPath string
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var verbose bool
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flag.StringVar(&configPath, "config", "./config.json", "Specify the configuration file path")
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flag.BoolVar(&verbose, "verbose", false, "Set the log as verbose")
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flag.Parse()
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ctx = contextutil.WithThreadName(ctx, "main")
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if verbose {
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slog.SetLogLoggerLevel(slog.LevelDebug)
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}
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config, err := config.Load(configPath)
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if err != nil {
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slog.Error("failed to load the configuration", "thread", "main", "err", err)
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return failure
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}
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if err := config.Validate(); err != nil {
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slog.Error("failed to validate the configuration", "thread", "main", "err", err)
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return failure
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}
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docker, err := helper.Open(config)
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if err != nil {
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slog.Error("unable to connect to the docker socket", "thread", "main", "err", err)
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return failure
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}
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defer docker.Close()
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if err := docker.StartWatcher(ctx, config.DaemonConfiguration.PullInterval); err != nil {
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slog.Error("unable to start the docker watcher", "thread", "main", "err", err)
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}
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el, err := runtime.NewEventLoop(ctx, docker)
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if err != nil {
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slog.Error("failed to init the event loop", "thread", "main", "err", err)
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return failure
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}
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defer el.Close()
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go func() {
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c := make(chan os.Signal, 10)
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signal.Notify(c)
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defer close(c)
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for sig := range c {
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switch sig {
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case os.Interrupt:
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{
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slog.Info("the process received an interruption signal", "thread", "signal_watcher", "signal", sig.String())
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el.Close()
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}
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case os.Kill:
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{
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slog.Info("the process received a kill signal", "thread", "signal_watcher", "signal", sig.String())
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el.Close()
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}
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}
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}
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}()
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slog.Info("everything seems ok, starting the event loop", "thread", "main")
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el.Execute()
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slog.Info("Need to go, byyye 👋", "thread", "main")
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return success
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}
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