Files
autoglue/cmd/cli/serve.go
2025-09-01 13:34:13 +01:00

84 lines
2.0 KiB
Go

package cli
import (
"context"
"fmt"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/glueops/autoglue/internal/api"
"github.com/glueops/autoglue/internal/db"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
bindPort string
bindAddress string
)
var serveCmd = &cobra.Command{
Use: "serve",
Short: "Start the server",
Long: "Start the server",
Run: func(cmd *cobra.Command, args []string) {
db.Connect()
// Resolve bind address/port from viper (flags/env/config/defaults)
addr := fmt.Sprintf("%s:%s", viper.GetString("bind_address"), viper.GetString("bind_port"))
// Build server (uses Chi router inside)
srv := api.NewServer(addr)
// Start server
errCh := make(chan error, 1)
go func() {
log.Printf("HTTP server listening on http://%s (ui.dev=%v)", addr, viper.GetBool("ui.dev"))
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
errCh <- err
}
close(errCh)
}()
// Handle OS signals for graceful shutdown
stop := make(chan os.Signal, 1)
signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
select {
case sig := <-stop:
log.Printf("Received signal: %s — shutting down...", sig)
case err := <-errCh:
if err != nil {
log.Fatalf("Server error: %v", err)
}
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil {
log.Printf("Graceful shutdown failed: %v; forcing close", err)
_ = srv.Close()
} else {
log.Println("Server stopped cleanly.")
}
},
}
func init() {
// Flags to override bind address/port
serveCmd.Flags().StringVar(&bindAddress, "bind-address", "", "Address to bind the HTTP server (default 127.0.0.1)")
serveCmd.Flags().StringVar(&bindPort, "bind-port", "", "Port to bind the HTTP server (default 8080)")
// Bind flags to viper keys
_ = viper.BindPFlag("bind_address", serveCmd.Flags().Lookup("bind-address"))
_ = viper.BindPFlag("bind_port", serveCmd.Flags().Lookup("bind-port"))
// Register command
rootCmd.AddCommand(serveCmd)
}