create pod on the fly

when a user specifies --pod to podman create|run, we should create that pod
automatically.  the port bindings from the container are then inherited by
the infra container.  this signicantly improves the workflow of running
containers inside pods with podman.  the user is still encouraged to use
podman pod create to have more granular control of the pod create options.

Signed-off-by: baude <bbaude@redhat.com>

test/e2e/run_test.go

@@ -628,4 +628,15 @@ USER mail`
 		isSharedOnly := !strings.Contains(shared[0], "shared,")
 		Expect(isSharedOnly).Should(BeTrue())
 	})
+
+	It("podman run --pod automatically", func() {
+		session := podmanTest.Podman([]string{"run", "--pod", "new:foobar", ALPINE, "ls"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		check := podmanTest.Podman([]string{"pod", "ps", "--no-trunc"})
+		check.WaitWithDefaultTimeout()
+		match, _ := check.GrepString("foobar")
+		Expect(match).To(BeTrue())
+	})
 })