* Juju:

  * Add Kubernetes 1.6 support to Juju charms ([#44500](https://github.com/kubernetes/kubernetes/pull/44500), [@Cynerva](https://github.com/Cynerva))

    * Add metric collection to charms for autoscaling

    * Update kubernetes-e2e charm to fail when test suite fails

    * Update Juju charms to use snaps

    * Add registry action to the kubernetes-worker charm

* Splits Juju Charm layers into master/worker roles ([#40324](https://github.com/kubernetes/kubernetes/pull/40324), [@chuckbutler](https://github.com/chuckbutler))
    * Adds support for 1.5.x series of Kubernetes
    * Introduces a tactic for keeping templates in sync with upstream eliminating template drift
    * Adds CNI support to the Juju Charms
    * Adds durable storage support to the Juju Charms

- Ubuntu 18.04 (Bionic) series has been added to Juju charms ([#65644](https://github.com/kubernetes/kubernetes/pull/65644), [@tvansteenburgh](https://github.com/tvansteenburgh))

* Set default snap channel on charms to 1.7 stable ([#48874](https://github.com/kubernetes/kubernetes/pull/48874), [@ktsakalozos](https://github.com/ktsakalozos))
* prevent unsetting of nonexistent previous port in kubeapi-load-balancer charm ([#49033](https://github.com/kubernetes/kubernetes/pull/49033), [@wwwtyro](https://github.com/wwwtyro))

 * href="https://github.com/google/guava/wiki/PrimitivesExplained">primitive utilities</a>.
 *
 * @author Kevin Bourrillion
 * @since 1.0
 */
@GwtCompatible
public final class Chars {
  private Chars() {}

  /**
   * The number of bytes required to represent a primitive {@code char} value.
   *
   * <p>Prefer {@link Character#BYTES} instead.
   */

 * href="https://github.com/google/guava/wiki/PrimitivesExplained">primitive utilities</a>.
 *
 * @author Kevin Bourrillion
 * @since 1.0
 */
@GwtCompatible
public final class Chars {
  private Chars() {}

  /**
   * The number of bytes required to represent a primitive {@code char} value.
   *
   * <p>Prefer {@link Character#BYTES} instead.
   */

*   Add support for RBAC ([#53820](https://github.com/kubernetes/kubernetes/pull/53820),[ @ktsakalozos](https://github.com/ktsakalozos))

    }
  }

  private void checkConsistentHashCorrectness(long hashCode) {
    int last = 0;
    for (int shards = 1; shards <= 100000; shards++) {
      int b = Hashing.consistentHash(hashCode, shards);
      if (b != last) {
        assertEquals(shards - 1, b);
        last = b;
      }
    }
  }

  public void testConsistentHash_probabilities() {

      chars.add(randomAlpha());
    }
    for (int i = 0; i < nonAlpha; i++) {
      chars.add(randomNonAlpha());
    }
    Collections.shuffle(chars, random);
    char[] array = Chars.toArray(chars);
    this.testString = new String(array);
  }

  private char randomAlpha() {
    return ALPHA.charAt(random.nextInt(ALPHA.length()));
  }

  private char randomNonAlpha() {

    }
  }

  private void checkConsistentHashCorrectness(long hashCode) {
    int last = 0;
    for (int shards = 1; shards <= 100000; shards++) {
      int b = Hashing.consistentHash(hashCode, shards);
      if (b != last) {
        assertEquals(shards - 1, b);
        last = b;
      }
    }
  }

  public void testConsistentHash_probabilities() {