// NewPortAllocatorCustom creates a PortAllocator over a util.PortRange, calling allocatorFactory to construct the backing store.
func NewPortAllocatorCustom(pr util.PortRange, allocatorFactory allocator.AllocatorFactory) *PortAllocator {
	max := pr.Size
	rangeSpec := pr.String()

	a := &PortAllocator{
		portRange: pr,
	}
	a.alloc = allocatorFactory(max, rangeSpec)
	return a
}

// Restore restores the pool to the previously captured state. ErrMismatchedNetwork
// is returned if the provided port range doesn't exactly match the previous range.
func (r *PortAllocator) Restore(pr util.PortRange, data []byte) error {
	if pr.String() != r.portRange.String() {
		return ErrMismatchedNetwork
	}
	snapshottable, ok := r.alloc.(allocator.Snapshottable)
	if !ok {
		return fmt.Errorf("not a snapshottable allocator")
	}
	return snapshottable.Restore(pr.String(), data)
}

	"strings"
	"time"

	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
	"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
	"github.com/GoogleCloudPlatform/kubernetes/pkg/util/wait"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

// This should match whatever the default/configured range is
var ServiceNodePortRange = util.PortRange{Base: 30000, Size: 2768}

var _ = Describe("Services", func() {
	var c *client.Client
	// Use these in tests.  They're unique for each test to prevent name collisions.
	var namespaces [2]string

	BeforeEach(func() {
		var err error
		c, err = loadClient()
		Expect(err).NotTo(HaveOccurred())

		By("Building a namespace api objects")
		for i := range namespaces {
			namespacePtr, err := createTestingNS(fmt.Sprintf("service-%d", i), c)
			Expect(err).NotTo(HaveOccurred())