feat: tabular output for ps (#73)

Author: dottorblaster

cmd/schedctl/ps.go

@@ -1,12 +1,15 @@
 package cmd
 
 import (
+	"fmt"
+	"os"
+	"text/tabwriter"
+
 	"github.com/spf13/cobra"
 
 	"schedctl/internal/constants"
 	"schedctl/internal/containerd"
 	"schedctl/internal/containers"
-	"schedctl/internal/output"
 	"schedctl/internal/podman"
 )
 
@@ -49,9 +52,14 @@ func ps(cmd *cobra.Command, _ []string) error {
 		containersList = append(containersList, podmanList...)
 	}
 
+	w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
+	fmt.Fprintln(w, "PID\tID\tNAME")
+
 	for _, container := range containersList {
-		_, _ = output.Out("pid: %d, id: %s, name: %s", container.PID, container.ID, container.Name)
+		fmt.Fprintf(w, "%d\t%s\t%s\n", container.PID, container.ID, container.Name)
 	}
 
+	w.Flush()
+
 	return nil
 }