Stromboli Bread Wreath

Name: Stromboli Bread Wreath
Ingredients: 1 pound fresh pizza dough; Nonstick cooking spray, for the pan; 2 tablespoons olive oil, plus more for brushing; 1 pound sweet Italian sausage, removed from casing; All-purpose flour, for dusting; 2 cups fresh or store-bought basil pesto; 4 ounces mortadella, thinly sliced and cut into squares; 2 ounces pepperoni, thinly sliced and cut into squares; 2 ounces Genoa salami, thinly sliced and cut into squares; 8 ounces mozzarella, deli-sliced (the drier the better), cut into squares; 3 sun-dried tomatoes