Jay Brown
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// DEPRECATED: This runner is deprecated and no longer has any functionality.
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// It is left in place until deployment code is updated accordingly.
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// See remove_query_plan.md for details on the query removal.
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package main
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import (
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"context"
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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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"queryorchestration/internal/serviceconfig/build"
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)
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const serviceName = "querySyncRunner"
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func main() {
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// Print version information
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build.PrintVersionInfo(serviceName)
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slog.Warn("DEPRECATED: " + serviceName + " is deprecated and no longer has any functionality. " +
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"This service is left in place until deployment code is updated accordingly.")
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// Start minimal HTTP server for health checks (required for cloud deployments)
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mux := http.NewServeMux()
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mux.HandleFunc("/health", func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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server := &http.Server{
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Addr: ":8080",
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Handler: mux,
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ReadHeaderTimeout: time.Minute,
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}
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go func() {
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slog.Info("Starting health check server on port 8080")
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if err := server.ListenAndServe(); err != http.ErrServerClosed {
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slog.Error("Health check server error", "error", err)
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}
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}()
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// Wait for shutdown signal
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sigChan := make(chan os.Signal, 1)
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
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sig := <-sigChan
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slog.Info(serviceName+" received shutdown signal, exiting gracefully", "signal", sig.String())
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// Gracefully shutdown the HTTP server
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := server.Shutdown(ctx); err != nil {
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slog.Error("Error shutting down health check server", "error", err)
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}
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}
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