init application routines

cmd/cmd.go

@@ -2,8 +2,6 @@
 package cmd
 
 import (
-	"context"
-	"log/slog"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -20,10 +18,7 @@ type loggerKey struct{}
 
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
-func Execute(log *slog.Logger) {
-	ctx := context.WithValue(context.Background(), loggerKey{}, log)
-	rootCmd.SetContext(ctx)
-
+func Execute() {
 	err := rootCmd.Execute()
 	if err != nil {
 		os.Exit(1)
@@ -31,11 +26,6 @@ func Execute(log *slog.Logger) {
 }
 
 func init() {
-	cobra.OnInitialize(initApplication)
-
 	rootCmd.Flags().StringP("out", "o", "", "output file")
 	rootCmd.Flags().StringP("session", "s", "", "output session info to file")
 }
-
-func initApplication() {
-}

cmd/tui.go

@@ -1,21 +1,16 @@
 package cmd
 
 import (
-	"esdi/tui"
 	"fmt"
 	"log/slog"
 
+	"esdi/tui"
+
 	"github.com/spf13/cobra"
 )
 
 func tuiCmdAction(cmd *cobra.Command, args []string) {
-	logger, ok := cmd.Context().Value(loggerKey{}).(*slog.Logger)
-	if !ok {
-		fmt.Printf("Error loading logger from context: %s\n", logger)
-		return
-	}
-
-	err := tui.Run(logger)
+	err := tui.Run(slog.Default())
 	if err != nil {
 		fmt.Printf("Error running TUI: %s\n", err.Error())
 		return

main.go

@@ -1,40 +1,79 @@
 package main
 
 import (
+	"fmt"
 	"log/slog"
 	"net/http"
 	"os"
 
 	"esdi/cmd"
+	"esdi/config"
 	"esdi/telemetry"
 
 	"github.com/arl/statsviz"
 )
 
-func main() {
-	// NOTE: pass all these things to cobra
-	output, err := os.OpenFile("./output.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o755)
+func initApplication() {
+	// 1. This is the first initialization setup we do so we can log
+	err := setupLogger()
 	if err != nil {
 		panic("failed to open logging file: " + err.Error())
 	}
 
+	// 2. This is the second thing we setup because we need some stuff to run
+	// other things
+	err = config.Setup("./config/config.yaml")
+	if err != nil {
+		panic("failed to setup config: " + err.Error())
+	}
+
+	// Performance analysis
+	if config.GetCfg().MetricsServer {
+		slog.Info("Setting up metrics server...")
+		err = runStatviz()
+		if err != nil {
+			slog.Error(fmt.Sprintf("failed to setup metrics server: %+v", err))
+		}
+	}
+
+	// Setting up some internal data structures
+	telemetry.Init()
+}
+
+func setupLogger() error {
+	output, err := os.OpenFile("./output.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o755)
+	if err != nil {
+		return err
+	}
+
 	logger := slog.New(
 		slog.NewTextHandler(output, &slog.HandlerOptions{
 			Level: slog.LevelDebug,
 		}),
 	)
 
-	// Performance analysis
+	slog.SetDefault(logger)
+
+	return nil
+}
+
+func runStatviz() error {
 	mux := http.NewServeMux()
-	statsviz.Register(mux)
+	err := statsviz.Register(mux)
+	if err != nil {
+		return err
+	}
 
 	go func() {
 		http.ListenAndServe("localhost:8001", mux)
 	}()
 
-	// Setting up some internal data structures
-	telemetry.Init()
+	return nil
+}
+
+func main() {
+	initApplication()
 
 	// Launches the cobra package stuff
-	cmd.Execute(logger)
+	cmd.Execute()
 }