* Bump gcr.io/google_containers/glbc from 0.8.0 to 0.9.2. Release notes: [0.9.0](https://github.com/kubernetes/ingress/releases/tag/0.9.0), [0.9.1](https://github.com/kubernetes/ingress/releases/tag/0.9.1), [0.9.2](https://github.com/kubernetes/ingress/releases/tag/0.9.2) ([#43098](https://github.com/kubernetes/kubernetes/pull/43098), [@timstclair](https://github.com/timstclair))

* azure: add PrimaryAvailabilitySet to config, only use nodes in that set in the loadbalancer pool ([#34526](https://github.com/kubernetes/kubernetes/pull/34526), [@colemickens](https://github.com/colemickens))
* Fix leaking ingress resources in federated ingress e2e test. ([#34652](https://github.com/kubernetes/kubernetes/pull/34652), [@quinton-hoole](https://github.com/quinton-hoole))

     *
     * @return true if running in embedded mode, false otherwise
     */
    public boolean isEmbedded() {
        return runner != null;
    }

    /**
     * Enables the use of ingest pipelines for document processing.
     */
    public void usePipeline() {
        usePipeline = true;
    }

    /**
     * Resolves a hostname to an InetAddress.
     *