Cook pasta according to package directions. After cooking, draining, and rinsing, allow it to cool and set aside.
In a small mixing bowl, whisk together all ingredients for the dressing. Refrigerate until ready to use.
In a large bowl, combine pasta, melon, basil, olives, salami, and arugula. Pour the vinaigrette over the salad mixture and toss with your hands.
Plate on a large platter and top with fresh feta cheese. Serve cold and enjoy!