jbergner
07824a56a7
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56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
package main
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import (
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"context"
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_ "embed"
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"flag"
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"log/slog"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/example/glpi-env-controller/internal/app"
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)
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//go:embed page.html
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var pageHTML string
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func main() {
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configPath := flag.String("config", "", "path to controller configuration")
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flag.Parse()
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logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
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resolvedConfigPath, err := app.ResolveConfigPath(*configPath, os.Getenv("ENV_CONTROLLER_CONFIG"))
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if err != nil {
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logger.Error("resolve configuration", "error", err)
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os.Exit(1)
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}
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logger.Info("using configuration", "path", resolvedConfigPath)
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cfg, password, err := app.LoadConfig(resolvedConfigPath)
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if err != nil {
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logger.Error("load configuration", "error", err)
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os.Exit(1)
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}
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server, err := app.NewServer(cfg, password, pageHTML, logger)
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if err != nil {
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logger.Error("initialize server", "error", err)
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os.Exit(1)
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}
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ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
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defer cancel()
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server.AutoImport(ctx)
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httpServer := &http.Server{Addr: cfg.ListenAddr, Handler: server.Handler(), ReadHeaderTimeout: 10 * time.Second, ReadTimeout: 30 * time.Second, WriteTimeout: 5 * time.Minute, IdleTimeout: 60 * time.Second, MaxHeaderBytes: 1 << 20}
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go func() {
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<-ctx.Done()
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shutdownCtx, c := context.WithTimeout(context.Background(), 10*time.Second)
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defer c()
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_ = httpServer.Shutdown(shutdownCtx)
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}()
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logger.Info("env controller listening", "addr", cfg.ListenAddr)
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if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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logger.Error("server stopped", "error", err)
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os.Exit(1)
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}
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}
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