me.snowdrop.istio.api.networking.v1alpha3.ServiceEntryResolution Maven / Gradle / Ivy

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/*
 * *
 *  * Copyright (C) 2018 Red Hat, Inc.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *         http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 *
 */

package me.snowdrop.istio.api.networking.v1alpha3;

public enum ServiceEntryResolution {
    /**
     * Assume that incoming connections have already been resolved (to a specific destination IP address).
     * Such connections are typically routed via the proxy using mechanisms such as IP table REDIRECT/ eBPF.
     * After performing any routing related transformations,
     * the proxy will forward the connection to the IP address to which the connection was bound.
     */
    NONE(0),
    /**
     * Use the static IP addresses specified in endpoints as the backing instances associated with the service.
     */
    STATIC(1),
    /**
     *Attempt to resolve the IP address by querying the ambient DNS, during request processing.
     * If no endpoints are specified,
     * the proxy will resolve the DNS address specified in the hosts field,
     * if wildcards are not used.
     * If endpoints are specified,
     * the DNS addresses specified in the endpoints will be resolved to determine the destination IP address.
     * DNS resolution cannot be used with unix domain socket endpoints.
     */
    DNS(2);

    private final int intValue;

    ServiceEntryResolution(int intValue) {
        this.intValue = intValue;
    }

    public int value() {
        return intValue;
    }
}