mirror of https://github.com/grpc/grpc-java.git
xds: integration of XdsClientImpl with XdsServerBuilder to deliver Listener updates (#6838)
This commit is contained in:
sanjaypujare
GitHub
parent
47b6b390bb
commit
a2896051b8
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@ -91,7 +91,8 @@ final class EnvoyServerProtoData {
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private final List<CidrRange> prefixRanges;
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private final List<String> applicationProtocols;
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private FilterChainMatch(int destinationPort,
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@VisibleForTesting
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FilterChainMatch(int destinationPort,
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List<CidrRange> prefixRanges, List<String> applicationProtocols) {
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this.destinationPort = destinationPort;
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this.prefixRanges = Collections.unmodifiableList(prefixRanges);
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@ -164,7 +165,8 @@ final class EnvoyServerProtoData {
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// TODO(sanjaypujare): remove dependency on envoy data type along with rest of the code.
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private final io.envoyproxy.envoy.api.v2.auth.DownstreamTlsContext downstreamTlsContext;
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private FilterChain(FilterChainMatch filterChainMatch,
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@VisibleForTesting
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FilterChain(FilterChainMatch filterChainMatch,
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io.envoyproxy.envoy.api.v2.auth.DownstreamTlsContext downstreamTlsContext) {
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this.filterChainMatch = filterChainMatch;
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this.downstreamTlsContext = downstreamTlsContext;
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@ -223,7 +225,8 @@ final class EnvoyServerProtoData {
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private final String address;
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private final List<FilterChain> filterChains;
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private Listener(String name, String address,
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@VisibleForTesting
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Listener(String name, String address,
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List<FilterChain> filterChains) {
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this.name = name;
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this.address = address;
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@ -0,0 +1,296 @@
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/*
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* Copyright 2020 The gRPC Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.grpc.xds;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.google.common.base.Preconditions.checkState;
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import com.google.common.annotations.VisibleForTesting;
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import io.envoyproxy.envoy.api.v2.auth.DownstreamTlsContext;
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import io.envoyproxy.envoy.api.v2.core.Node;
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import io.grpc.Internal;
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import io.grpc.Status;
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import io.grpc.SynchronizationContext;
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import io.grpc.internal.ExponentialBackoffPolicy;
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import io.grpc.internal.GrpcUtil;
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import io.grpc.internal.SharedResourceHolder;
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import io.grpc.xds.EnvoyServerProtoData.CidrRange;
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import io.grpc.xds.EnvoyServerProtoData.FilterChain;
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import io.grpc.xds.EnvoyServerProtoData.FilterChainMatch;
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import io.netty.channel.Channel;
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import io.netty.channel.epoll.Epoll;
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import io.netty.channel.epoll.EpollEventLoopGroup;
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import io.netty.util.concurrent.DefaultThreadFactory;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.SocketAddress;
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import java.net.UnknownHostException;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.NoSuchElementException;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.annotation.Nullable;
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/**
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* Serves as a wrapper for {@link XdsClientImpl} used on the server side by {@link
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* io.grpc.xds.internal.sds.XdsServerBuilder}.
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*/
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@Internal
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public final class XdsClientWrapperForServerSds {
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private static final Logger logger =
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Logger.getLogger(XdsClientWrapperForServerSds.class.getName());
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private static final TimeServiceResource timeServiceResource =
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new TimeServiceResource("GrpcServerXdsClient");
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private EnvoyServerProtoData.Listener curListener;
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// TODO(sanjaypujare): implement shutting down XdsServer which will need xdsClient reference
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@SuppressWarnings("unused")
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@Nullable private XdsClient xdsClient;
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private final int port;
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private final ScheduledExecutorService timeService;
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/**
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* Factory method for creating a {@link XdsClientWrapperForServerSds}.
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*
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* @param port server's port for which listener config is needed.
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* @param bootstrapper {@link Bootstrapper} instance to load bootstrap config.
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* @param syncContext {@link SynchronizationContext} needed by {@link XdsClient}.
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*/
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public static XdsClientWrapperForServerSds newInstance(
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int port, Bootstrapper bootstrapper, SynchronizationContext syncContext) throws IOException {
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Bootstrapper.BootstrapInfo bootstrapInfo = bootstrapper.readBootstrap();
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final List<Bootstrapper.ServerInfo> serverList = bootstrapInfo.getServers();
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if (serverList.isEmpty()) {
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throw new NoSuchElementException("No management server provided by bootstrap");
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}
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final Node node = bootstrapInfo.getNode();
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ScheduledExecutorService timeService = SharedResourceHolder.get(timeServiceResource);
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XdsClientImpl xdsClientImpl =
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new XdsClientImpl(
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"",
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serverList,
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XdsClient.XdsChannelFactory.getInstance(),
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node,
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syncContext,
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timeService,
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new ExponentialBackoffPolicy.Provider(),
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GrpcUtil.STOPWATCH_SUPPLIER);
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return new XdsClientWrapperForServerSds(port, xdsClientImpl, timeService);
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}
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@VisibleForTesting
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XdsClientWrapperForServerSds(int port, XdsClient xdsClient,
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ScheduledExecutorService timeService) {
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this.port = port;
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this.xdsClient = xdsClient;
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this.timeService = timeService;
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xdsClient.watchListenerData(
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port,
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new XdsClient.ListenerWatcher() {
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@Override
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public void onListenerChanged(XdsClient.ListenerUpdate update) {
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logger.log(
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Level.INFO,
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"Setting myListener from ConfigUpdate listener :{0}",
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update.getListener().toString());
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curListener = update.getListener();
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}
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@Override
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public void onError(Status error) {
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// In order to distinguish between IO error and resource not found, set curListener
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// to null in case of NOT_FOUND
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if (error.getCode().equals(Status.Code.NOT_FOUND)) {
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curListener = null;
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}
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// TODO(sanjaypujare): Implement logic for other cases based on final design.
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logger.log(Level.SEVERE, "ListenerWatcher in XdsClientWrapperForServerSds:{0}", error);
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}
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});
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}
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/**
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* Locates the best matching FilterChain to the channel from the current listener and if found
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* returns the DownstreamTlsContext from that FilterChain, else null.
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*/
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@Nullable
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public DownstreamTlsContext getDownstreamTlsContext(Channel channel) {
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if (curListener != null && channel != null) {
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SocketAddress localAddress = channel.localAddress();
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checkState(
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localAddress instanceof InetSocketAddress,
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"Channel localAddress is expected to be InetSocketAddress");
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InetSocketAddress localInetAddr = (InetSocketAddress) localAddress;
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checkState(
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port == localInetAddr.getPort(),
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"Channel localAddress port does not match requested listener port");
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List<FilterChain> filterChains = curListener.getFilterChains();
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FilterChainComparator comparator = new FilterChainComparator(localInetAddr);
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FilterChain bestMatch =
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filterChains.isEmpty() ? null : Collections.max(filterChains, comparator);
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if (bestMatch != null && comparator.isMatching(bestMatch.getFilterChainMatch())) {
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return bestMatch.getDownstreamTlsContext();
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}
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}
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return null;
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}
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private static final class FilterChainComparator implements Comparator<FilterChain> {
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private InetSocketAddress localAddress;
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private enum Match {
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NO_MATCH,
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EMPTY_PREFIX_RANGE_MATCH,
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IPANY_MATCH,
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EXACT_ADDRESS_MATCH
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}
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private FilterChainComparator(InetSocketAddress localAddress) {
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checkNotNull(localAddress, "localAddress cannot be null");
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this.localAddress = localAddress;
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}
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@Override
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public int compare(FilterChain first, FilterChain second) {
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checkNotNull(first, "first arg cannot be null");
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checkNotNull(second, "second arg cannot be null");
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FilterChainMatch firstMatch = first.getFilterChainMatch();
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FilterChainMatch secondMatch = second.getFilterChainMatch();
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if (firstMatch == null) {
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return (secondMatch == null) ? 0 : (isMatching(secondMatch) ? -1 : 1);
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} else {
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return (secondMatch == null)
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? (isMatching(firstMatch) ? 1 : -1)
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: compare(firstMatch, secondMatch);
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}
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}
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private int compare(FilterChainMatch first, FilterChainMatch second) {
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int channelPort = localAddress.getPort();
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if (first.getDestinationPort() == channelPort) {
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return (second.getDestinationPort() == channelPort)
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? compare(first.getPrefixRanges(), second.getPrefixRanges())
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: (isInetAddressMatching(first.getPrefixRanges()) ? 1 : 0);
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} else {
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return (second.getDestinationPort() == channelPort)
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? (isInetAddressMatching(second.getPrefixRanges()) ? -1 : 0)
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: 0;
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}
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}
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private int compare(List<CidrRange> first, List<CidrRange> second) {
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return getInetAddressMatch(first).ordinal() - getInetAddressMatch(second).ordinal();
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}
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private boolean isInetAddressMatching(List<CidrRange> prefixRanges) {
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return getInetAddressMatch(prefixRanges).ordinal() > Match.NO_MATCH.ordinal();
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}
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private Match getInetAddressMatch(List<CidrRange> prefixRanges) {
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if (prefixRanges == null || prefixRanges.isEmpty()) {
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return Match.EMPTY_PREFIX_RANGE_MATCH;
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}
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InetAddress localInetAddress = localAddress.getAddress();
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for (CidrRange cidrRange : prefixRanges) {
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if (cidrRange.getPrefixLen() == 32) {
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try {
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InetAddress cidrAddr = InetAddress.getByName(cidrRange.getAddressPrefix());
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if (cidrAddr.isAnyLocalAddress()) {
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return Match.IPANY_MATCH;
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}
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if (cidrAddr.equals(localInetAddress)) {
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return Match.EXACT_ADDRESS_MATCH;
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}
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} catch (UnknownHostException e) {
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logger.log(Level.WARNING, "cidrRange address parsing", e);
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// continue
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}
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}
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// TODO(sanjaypujare): implement prefix match logic as needed
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}
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return Match.NO_MATCH;
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}
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private boolean isMatching(FilterChainMatch filterChainMatch) {
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if (filterChainMatch == null) {
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return true;
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}
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int destPort = filterChainMatch.getDestinationPort();
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if (destPort != localAddress.getPort()) {
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return false;
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}
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return isInetAddressMatching(filterChainMatch.getPrefixRanges());
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}
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}
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/** Shutdown this instance and release resources. */
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public void shutdown() {
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logger.log(Level.FINER, "Shutdown");
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if (xdsClient != null) {
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xdsClient.shutdown();
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}
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if (timeService != null) {
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timeServiceResource.close(timeService);
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}
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}
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private static final class TimeServiceResource
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implements SharedResourceHolder.Resource<ScheduledExecutorService> {
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private final String name;
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TimeServiceResource(String name) {
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this.name = name;
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}
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@Override
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public ScheduledExecutorService create() {
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// Use Netty's DefaultThreadFactory in order to get the benefit of FastThreadLocal.
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ThreadFactory threadFactory = new DefaultThreadFactory(name, /* daemon= */ true);
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if (Epoll.isAvailable()) {
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return new EpollEventLoopGroup(1, threadFactory);
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} else {
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return Executors.newSingleThreadScheduledExecutor(threadFactory);
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}
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}
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@SuppressWarnings("FutureReturnValueIgnored")
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@Override
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public void close(ScheduledExecutorService instance) {
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try {
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if (instance instanceof EpollEventLoopGroup) {
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((EpollEventLoopGroup)instance).shutdownGracefully(0, 0, TimeUnit.SECONDS).sync();
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} else {
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instance.shutdown();
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}
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} catch (InterruptedException e) {
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logger.log(Level.SEVERE, "Interrupted during shutdown", e);
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Thread.currentThread().interrupt();
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}
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}
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}
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}
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@ -21,20 +21,26 @@ import static com.google.common.base.Preconditions.checkNotNull;
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import com.google.common.annotations.VisibleForTesting;
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import io.envoyproxy.envoy.api.v2.auth.DownstreamTlsContext;
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import io.envoyproxy.envoy.api.v2.auth.UpstreamTlsContext;
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import io.grpc.SynchronizationContext;
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import io.grpc.netty.GrpcHttp2ConnectionHandler;
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import io.grpc.netty.InternalNettyChannelBuilder;
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import io.grpc.netty.InternalNettyChannelBuilder.ProtocolNegotiatorFactory;
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import io.grpc.netty.InternalProtocolNegotiationEvent;
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import io.grpc.netty.InternalProtocolNegotiator;
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import io.grpc.netty.InternalProtocolNegotiator.ProtocolNegotiator;
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import io.grpc.netty.InternalProtocolNegotiators;
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import io.grpc.netty.NettyChannelBuilder;
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import io.grpc.netty.ProtocolNegotiationEvent;
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import io.grpc.xds.Bootstrapper;
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import io.grpc.xds.XdsAttributes;
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import io.grpc.xds.XdsClientWrapperForServerSds;
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import io.netty.channel.ChannelHandler;
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import io.netty.channel.ChannelHandlerAdapter;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelInboundHandlerAdapter;
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import io.netty.handler.ssl.SslContext;
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import io.netty.util.AsciiString;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.logging.Level;
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@ -55,7 +61,6 @@ final class SdsProtocolNegotiators {
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* Returns a {@link ProtocolNegotiatorFactory} to be used on {@link NettyChannelBuilder}. Passing
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* {@code null} for upstreamTlsContext will fall back to plaintext.
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*/
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// TODO (sanjaypujare) integrate with xDS client to get upstreamTlsContext from CDS
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public static ProtocolNegotiatorFactory clientProtocolNegotiatorFactory(
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@Nullable UpstreamTlsContext upstreamTlsContext) {
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return new ClientSdsProtocolNegotiatorFactory(upstreamTlsContext);
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@ -64,17 +69,20 @@ final class SdsProtocolNegotiators {
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/**
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* Creates an SDS based {@link ProtocolNegotiator} for a {@link io.grpc.netty.NettyServerBuilder}.
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* Passing {@code null} for downstreamTlsContext will fall back to plaintext.
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* If xDS returns no DownstreamTlsContext, it will fall back to plaintext.
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*
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* @param downstreamTlsContext passed in {@link XdsServerBuilder#tlsContext}.
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* @param port the listening port passed to {@link XdsServerBuilder#forPort(int)}.
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*/
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// TODO (sanjaypujare) integrate with xDS client to get LDS
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public static ProtocolNegotiator serverProtocolNegotiator(
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@Nullable DownstreamTlsContext downstreamTlsContext) {
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return new ServerSdsProtocolNegotiator(downstreamTlsContext);
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@Nullable DownstreamTlsContext downstreamTlsContext, int port,
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SynchronizationContext syncContext) {
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return new ServerSdsProtocolNegotiator(downstreamTlsContext, port, syncContext);
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}
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private static final class ClientSdsProtocolNegotiatorFactory
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implements InternalNettyChannelBuilder.ProtocolNegotiatorFactory {
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// TODO (sanjaypujare) integrate with xDS client to get upstreamTlsContext from CDS
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private final UpstreamTlsContext upstreamTlsContext;
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ClientSdsProtocolNegotiatorFactory(UpstreamTlsContext upstreamTlsContext) {
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@ -245,12 +253,21 @@ final class SdsProtocolNegotiators {
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private static final class ServerSdsProtocolNegotiator implements ProtocolNegotiator {
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// TODO (sanjaypujare) integrate with xDS client to get LDS. LDS watcher will
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// inject/update the downstreamTlsContext from LDS
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private DownstreamTlsContext downstreamTlsContext;
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private final XdsClientWrapperForServerSds xdsClientWrapperForServerSds;
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ServerSdsProtocolNegotiator(DownstreamTlsContext downstreamTlsContext) {
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ServerSdsProtocolNegotiator(
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DownstreamTlsContext downstreamTlsContext, int port, SynchronizationContext syncContext) {
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this.downstreamTlsContext = downstreamTlsContext;
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XdsClientWrapperForServerSds localXdsClientWrapperForServerSds;
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try {
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localXdsClientWrapperForServerSds =
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XdsClientWrapperForServerSds.newInstance(port, Bootstrapper.getInstance(), syncContext);
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} catch (Exception e) {
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logger.log(Level.WARNING, "Exception while creating the xDS client", e);
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localXdsClientWrapperForServerSds = null;
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}
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this.xdsClientWrapperForServerSds = localXdsClientWrapperForServerSds;
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}
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@Override
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@ -260,10 +277,29 @@ final class SdsProtocolNegotiators {
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@Override
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public ChannelHandler newHandler(GrpcHttp2ConnectionHandler grpcHandler) {
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if (isTlsContextEmpty(downstreamTlsContext)) {
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return InternalProtocolNegotiators.serverPlaintext().newHandler(grpcHandler);
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return new HandlerPickerHandler(grpcHandler, downstreamTlsContext,
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xdsClientWrapperForServerSds);
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}
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return new ServerSdsHandler(grpcHandler, downstreamTlsContext);
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@Override
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public void close() {}
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}
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@VisibleForTesting
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static final class HandlerPickerHandler
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extends ChannelInboundHandlerAdapter {
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private final GrpcHttp2ConnectionHandler grpcHandler;
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private final DownstreamTlsContext downstreamTlsContextFromBuilder;
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private final XdsClientWrapperForServerSds xdsClientWrapperForServerSds;
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HandlerPickerHandler(
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GrpcHttp2ConnectionHandler grpcHandler,
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DownstreamTlsContext downstreamTlsContext,
|
||||
XdsClientWrapperForServerSds xdsClientWrapperForServerSds) {
|
||||
checkNotNull(grpcHandler, "grpcHandler");
|
||||
this.grpcHandler = grpcHandler;
|
||||
this.downstreamTlsContextFromBuilder = downstreamTlsContext;
|
||||
this.xdsClientWrapperForServerSds = xdsClientWrapperForServerSds;
|
||||
}
|
||||
|
||||
private static boolean isTlsContextEmpty(DownstreamTlsContext downstreamTlsContext) {
|
||||
|
|
@ -271,7 +307,36 @@ final class SdsProtocolNegotiators {
|
|||
}
|
||||
|
||||
@Override
|
||||
public void close() {}
|
||||
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
|
||||
if (evt instanceof ProtocolNegotiationEvent) {
|
||||
DownstreamTlsContext downstreamTlsContext =
|
||||
xdsClientWrapperForServerSds == null
|
||||
? null
|
||||
: xdsClientWrapperForServerSds.getDownstreamTlsContext(ctx.channel());
|
||||
if (isTlsContextEmpty(downstreamTlsContext)) {
|
||||
downstreamTlsContext = downstreamTlsContextFromBuilder;
|
||||
}
|
||||
if (isTlsContextEmpty(downstreamTlsContext)) {
|
||||
logger.log(Level.INFO, "Fallback to plaintext for {0}", ctx.channel().localAddress());
|
||||
ctx.pipeline()
|
||||
.replace(
|
||||
this,
|
||||
null,
|
||||
InternalProtocolNegotiators.serverPlaintext().newHandler(grpcHandler));
|
||||
ProtocolNegotiationEvent pne = InternalProtocolNegotiationEvent.getDefault();
|
||||
ctx.fireUserEventTriggered(pne);
|
||||
return;
|
||||
} else {
|
||||
ctx.pipeline()
|
||||
.replace(this, null, new ServerSdsHandler(grpcHandler, downstreamTlsContext));
|
||||
ProtocolNegotiationEvent pne = InternalProtocolNegotiationEvent.getDefault();
|
||||
ctx.fireUserEventTriggered(pne);
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
super.userEventTriggered(ctx, evt);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
|
|
@ -281,7 +346,8 @@ final class SdsProtocolNegotiators {
|
|||
private final DownstreamTlsContext downstreamTlsContext;
|
||||
|
||||
ServerSdsHandler(
|
||||
GrpcHttp2ConnectionHandler grpcHandler, DownstreamTlsContext downstreamTlsContext) {
|
||||
GrpcHttp2ConnectionHandler grpcHandler,
|
||||
DownstreamTlsContext downstreamTlsContext) {
|
||||
super(
|
||||
// superclass (InternalProtocolNegotiators.ProtocolNegotiationHandler) expects 'next'
|
||||
// handler but we don't have a next handler _yet_. So we "disable" superclass's behavior
|
||||
|
|
|
|||
|
|
@ -21,17 +21,22 @@ import io.grpc.BindableService;
|
|||
import io.grpc.CompressorRegistry;
|
||||
import io.grpc.DecompressorRegistry;
|
||||
import io.grpc.HandlerRegistry;
|
||||
import io.grpc.InternalLogId;
|
||||
import io.grpc.Server;
|
||||
import io.grpc.ServerBuilder;
|
||||
import io.grpc.ServerInterceptor;
|
||||
import io.grpc.ServerServiceDefinition;
|
||||
import io.grpc.ServerStreamTracer;
|
||||
import io.grpc.ServerTransportFilter;
|
||||
import io.grpc.SynchronizationContext;
|
||||
import io.grpc.netty.NettyServerBuilder;
|
||||
|
||||
import java.io.File;
|
||||
import java.net.InetSocketAddress;
|
||||
import java.util.concurrent.Executor;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
import java.util.logging.Level;
|
||||
import java.util.logging.Logger;
|
||||
import javax.annotation.Nullable;
|
||||
|
||||
/**
|
||||
|
|
@ -39,14 +44,18 @@ import javax.annotation.Nullable;
|
|||
* with peers. Note, this is not ready to use yet.
|
||||
*/
|
||||
public final class XdsServerBuilder extends ServerBuilder<XdsServerBuilder> {
|
||||
private static final Logger logger =
|
||||
Logger.getLogger(XdsServerBuilder.class.getName());
|
||||
|
||||
private final NettyServerBuilder delegate;
|
||||
private final int port;
|
||||
|
||||
// TODO (sanjaypujare) integrate with xDS client to get downstreamTlsContext from LDS
|
||||
@Nullable private DownstreamTlsContext downstreamTlsContext;
|
||||
|
||||
private XdsServerBuilder(NettyServerBuilder nettyDelegate) {
|
||||
private XdsServerBuilder(NettyServerBuilder nettyDelegate, int port) {
|
||||
this.delegate = nettyDelegate;
|
||||
this.port = port;
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
@ -132,14 +141,39 @@ public final class XdsServerBuilder extends ServerBuilder<XdsServerBuilder> {
|
|||
/** Creates a gRPC server builder for the given port. */
|
||||
public static XdsServerBuilder forPort(int port) {
|
||||
NettyServerBuilder nettyDelegate = NettyServerBuilder.forAddress(new InetSocketAddress(port));
|
||||
return new XdsServerBuilder(nettyDelegate);
|
||||
return new XdsServerBuilder(nettyDelegate, port);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Server build() {
|
||||
// note: doing it in build() will overwrite any previously set ProtocolNegotiator
|
||||
final InternalLogId logId = InternalLogId.allocate("XdsServerBuilder", Integer.toString(port));
|
||||
SynchronizationContext syncContext =
|
||||
new SynchronizationContext(
|
||||
new Thread.UncaughtExceptionHandler() {
|
||||
// needed by syncContext
|
||||
private boolean panicMode;
|
||||
|
||||
@Override
|
||||
public void uncaughtException(Thread t, Throwable e) {
|
||||
logger.log(
|
||||
Level.SEVERE,
|
||||
"[" + logId + "] Uncaught exception in the SynchronizationContext. Panic!",
|
||||
e);
|
||||
panic(e);
|
||||
}
|
||||
|
||||
void panic(final Throwable t) {
|
||||
if (panicMode) {
|
||||
// Preserve the first panic information
|
||||
return;
|
||||
}
|
||||
panicMode = true;
|
||||
}
|
||||
});
|
||||
delegate.protocolNegotiator(
|
||||
SdsProtocolNegotiators.serverProtocolNegotiator(this.downstreamTlsContext));
|
||||
SdsProtocolNegotiators.serverProtocolNegotiator(
|
||||
this.downstreamTlsContext, port, syncContext));
|
||||
return delegate.build();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,225 @@
|
|||
/*
|
||||
* Copyright 2020 The gRPC Authors
|
||||
*
|
||||
* 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 io.grpc.xds;
|
||||
|
||||
import static com.google.common.truth.Truth.assertThat;
|
||||
import static org.mockito.ArgumentMatchers.eq;
|
||||
import static org.mockito.Mockito.verify;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
import com.google.common.base.Strings;
|
||||
import io.envoyproxy.envoy.api.v2.auth.DownstreamTlsContext;
|
||||
import io.grpc.xds.internal.sds.CommonTlsContextTestsUtil;
|
||||
import io.netty.channel.Channel;
|
||||
import java.io.IOException;
|
||||
import java.net.Inet4Address;
|
||||
import java.net.InetAddress;
|
||||
import java.net.InetSocketAddress;
|
||||
import java.net.UnknownHostException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Parameterized;
|
||||
import org.junit.runners.Parameterized.Parameter;
|
||||
import org.mockito.ArgumentCaptor;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.MockitoAnnotations;
|
||||
|
||||
/** Tests for {@link XdsClientWrapperForServerSds}. */
|
||||
@RunWith(Parameterized.class)
|
||||
public class XdsClientWrapperForServerSdsTest {
|
||||
|
||||
private static final int PORT = 7000;
|
||||
|
||||
/** Iterable of various configurations to use for tests. */
|
||||
@Parameterized.Parameters(name = "{6}")
|
||||
public static Iterable<Object[]> data() {
|
||||
return Arrays.asList(
|
||||
new Object[][] {
|
||||
{
|
||||
-1, // creates null filterChainMatch for filter1
|
||||
null,
|
||||
null,
|
||||
"192.168.10.1",
|
||||
"192.168.10.2",
|
||||
1,
|
||||
"null filter chain match, expect filter1"
|
||||
},
|
||||
{
|
||||
PORT + 1,
|
||||
"192.168.10.1",
|
||||
"192.168.10.2",
|
||||
null,
|
||||
null,
|
||||
2,
|
||||
"only dest port match, expect filter2"
|
||||
},
|
||||
{
|
||||
PORT, // matches dest port
|
||||
"168.20.20.2",
|
||||
"10.1.2.3", // matches local address
|
||||
"192.168.10.1",
|
||||
"192.168.10.2",
|
||||
1,
|
||||
"dest port & address match, expect filter1"
|
||||
},
|
||||
{
|
||||
-1, // creates null filterChainMatch for filter1
|
||||
null,
|
||||
null,
|
||||
null, // empty address range for filter2
|
||||
null, // empty address range for filter2
|
||||
2,
|
||||
"empty address range over empty filterChainMatch, expect filter2"
|
||||
},
|
||||
{
|
||||
PORT,
|
||||
null,
|
||||
null,
|
||||
"192.168.1.4",
|
||||
"0.0.0.0", // IPANY for filter2
|
||||
2,
|
||||
"IPANY over empty address match, expect filter2"
|
||||
},
|
||||
{
|
||||
PORT,
|
||||
"192.168.1.4",
|
||||
"0.0.0.0", // IPANY for filter1
|
||||
"168.154.4.7",
|
||||
"10.1.2.3", // matches local address
|
||||
2,
|
||||
"exact IP over IPANY match, expect filter2"
|
||||
},
|
||||
{
|
||||
PORT,// matches dest port but no address match
|
||||
"168.20.20.2",
|
||||
"10.1.2.4",
|
||||
"192.168.10.1",
|
||||
"192.168.10.2",
|
||||
0,
|
||||
"dest port match but no address match, expect null"
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Parameter(0)
|
||||
public int destPort1;
|
||||
@Parameter(1)
|
||||
public String addressPrefix11;
|
||||
@Parameter(2)
|
||||
public String addressPrefix12;
|
||||
@Parameter(3)
|
||||
public String addressPrefix21;
|
||||
@Parameter(4)
|
||||
public String addressPrefix22;
|
||||
@Parameter(5)
|
||||
public int expectedIndex;
|
||||
@Parameter(6)
|
||||
public String testName;
|
||||
|
||||
@Mock private XdsClient xdsClient;
|
||||
@Mock private Channel channel;
|
||||
|
||||
private XdsClientWrapperForServerSds xdsClientWrapperForServerSds;
|
||||
private DownstreamTlsContext[] tlsContexts = new DownstreamTlsContext[3];
|
||||
|
||||
@Before
|
||||
public void setUp() throws IOException {
|
||||
MockitoAnnotations.initMocks(this);
|
||||
xdsClientWrapperForServerSds = new XdsClientWrapperForServerSds(PORT, xdsClient, null);
|
||||
tlsContexts[0] = null;
|
||||
tlsContexts[1] = CommonTlsContextTestsUtil.buildTestDownstreamTlsContext("CERT1", "VA1");
|
||||
tlsContexts[2] = CommonTlsContextTestsUtil.buildTestDownstreamTlsContext("CERT2", "VA2");
|
||||
}
|
||||
|
||||
/**
|
||||
* Common method called by most tests. Creates 2 filterChains each with 2 addresses. First
|
||||
* filterChain's destPort is always PORT.
|
||||
*/
|
||||
@Test
|
||||
public void commonFilterChainMatchTest()
|
||||
throws UnknownHostException {
|
||||
ArgumentCaptor<XdsClient.ListenerWatcher> listenerWatcherCaptor = ArgumentCaptor.forClass(null);
|
||||
verify(xdsClient).watchListenerData(eq(PORT), listenerWatcherCaptor.capture());
|
||||
XdsClient.ListenerWatcher registeredWatcher = listenerWatcherCaptor.getValue();
|
||||
InetAddress ipLocalAddress = Inet4Address.getByName("10.1.2.3");
|
||||
InetSocketAddress localAddress = new InetSocketAddress(ipLocalAddress, PORT);
|
||||
when(channel.localAddress()).thenReturn(localAddress);
|
||||
EnvoyServerProtoData.Listener listener =
|
||||
buildTestListener(
|
||||
"listener1",
|
||||
"10.1.2.3",
|
||||
destPort1,
|
||||
PORT,
|
||||
addressPrefix11,
|
||||
addressPrefix12,
|
||||
addressPrefix21,
|
||||
addressPrefix22,
|
||||
tlsContexts[1],
|
||||
tlsContexts[2]);
|
||||
XdsClient.ListenerUpdate listenerUpdate =
|
||||
XdsClient.ListenerUpdate.newBuilder().setListener(listener).build();
|
||||
registeredWatcher.onListenerChanged(listenerUpdate);
|
||||
DownstreamTlsContext downstreamTlsContext =
|
||||
xdsClientWrapperForServerSds.getDownstreamTlsContext(channel);
|
||||
assertThat(downstreamTlsContext).isSameInstanceAs(tlsContexts[expectedIndex]);
|
||||
}
|
||||
|
||||
static EnvoyServerProtoData.Listener buildTestListener(
|
||||
String name,
|
||||
String address,
|
||||
int destPort1,
|
||||
int destPort2,
|
||||
String addressPrefix11,
|
||||
String addressPrefix12,
|
||||
String addressPrefix21,
|
||||
String addressPrefix22,
|
||||
DownstreamTlsContext tlsContext1,
|
||||
DownstreamTlsContext tlsContext2) {
|
||||
EnvoyServerProtoData.FilterChainMatch filterChainMatch1 =
|
||||
destPort1 > 0 ? buildFilterChainMatch(destPort1, addressPrefix11, addressPrefix12) : null;
|
||||
EnvoyServerProtoData.FilterChainMatch filterChainMatch2 =
|
||||
destPort2 > 0 ? buildFilterChainMatch(destPort2, addressPrefix21, addressPrefix22) : null;
|
||||
EnvoyServerProtoData.FilterChain filterChain1 =
|
||||
new EnvoyServerProtoData.FilterChain(filterChainMatch1, tlsContext1);
|
||||
EnvoyServerProtoData.FilterChain filterChain2 =
|
||||
new EnvoyServerProtoData.FilterChain(filterChainMatch2, tlsContext2);
|
||||
EnvoyServerProtoData.Listener listener =
|
||||
new EnvoyServerProtoData.Listener(name, address, Arrays.asList(filterChain1, filterChain2));
|
||||
return listener;
|
||||
}
|
||||
|
||||
static EnvoyServerProtoData.FilterChainMatch buildFilterChainMatch(
|
||||
int destPort, String... addressPrefix) {
|
||||
ArrayList<EnvoyServerProtoData.CidrRange> prefixRanges = new ArrayList<>();
|
||||
for (String address : addressPrefix) {
|
||||
if (!Strings.isNullOrEmpty(address)) {
|
||||
prefixRanges.add(new EnvoyServerProtoData.CidrRange(address, 32));
|
||||
}
|
||||
}
|
||||
return new EnvoyServerProtoData.FilterChainMatch(
|
||||
destPort, prefixRanges, Arrays.<String>asList());
|
||||
}
|
||||
|
||||
static EnvoyServerProtoData.FilterChainMatch buildFilterChainMatch(
|
||||
int destPort, EnvoyServerProtoData.CidrRange... prefixRanges) {
|
||||
return new EnvoyServerProtoData.FilterChainMatch(
|
||||
destPort, Arrays.asList(prefixRanges), Arrays.<String>asList());
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,125 @@
|
|||
/*
|
||||
* Copyright 2020 The gRPC Authors
|
||||
*
|
||||
* 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 io.grpc.xds;
|
||||
|
||||
import static com.google.common.truth.Truth.assertThat;
|
||||
import static org.junit.Assert.fail;
|
||||
import static org.mockito.ArgumentMatchers.any;
|
||||
import static org.mockito.ArgumentMatchers.eq;
|
||||
import static org.mockito.Mockito.verify;
|
||||
import static org.mockito.Mockito.when;
|
||||
import static org.mockito.internal.verification.VerificationModeFactory.times;
|
||||
|
||||
import io.envoyproxy.envoy.api.v2.auth.DownstreamTlsContext;
|
||||
import io.grpc.inprocess.InProcessSocketAddress;
|
||||
import io.netty.channel.Channel;
|
||||
import java.io.IOException;
|
||||
import java.net.InetAddress;
|
||||
import java.net.InetSocketAddress;
|
||||
import java.net.SocketAddress;
|
||||
import java.net.UnknownHostException;
|
||||
import java.util.Collections;
|
||||
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.JUnit4;
|
||||
import org.mockito.ArgumentCaptor;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.MockitoAnnotations;
|
||||
|
||||
/** Tests for {@link XdsClientWrapperForServerSds}. */
|
||||
@RunWith(JUnit4.class)
|
||||
public class XdsClientWrapperForServerSdsTestMisc {
|
||||
|
||||
private static final int PORT = 7000;
|
||||
|
||||
@Mock private XdsClient xdsClient;
|
||||
@Mock private Channel channel;
|
||||
|
||||
private XdsClientWrapperForServerSds xdsClientWrapperForServerSds;
|
||||
|
||||
@Before
|
||||
public void setUp() throws IOException {
|
||||
MockitoAnnotations.initMocks(this);
|
||||
xdsClientWrapperForServerSds = new XdsClientWrapperForServerSds(PORT, xdsClient, null);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void verifyListenerWatcherRegistered() {
|
||||
verify(xdsClient, times(1)).watchListenerData(eq(PORT), any(XdsClient.ListenerWatcher.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void nonInetSocketAddress_expectException() {
|
||||
try {
|
||||
DownstreamTlsContext unused =
|
||||
commonTestPrep(new InProcessSocketAddress("test1"));
|
||||
fail("exception expected");
|
||||
} catch (IllegalStateException expected) {
|
||||
assertThat(expected)
|
||||
.hasMessageThat()
|
||||
.isEqualTo("Channel localAddress is expected to be InetSocketAddress");
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void nonMatchingPort_expectException() throws UnknownHostException {
|
||||
try {
|
||||
InetAddress ipLocalAddress = InetAddress.getByName("10.1.2.3");
|
||||
InetSocketAddress localAddress = new InetSocketAddress(ipLocalAddress, PORT + 1);
|
||||
DownstreamTlsContext unused = commonTestPrep(localAddress);
|
||||
fail("exception expected");
|
||||
} catch (IllegalStateException expected) {
|
||||
assertThat(expected)
|
||||
.hasMessageThat()
|
||||
.isEqualTo("Channel localAddress port does not match requested listener port");
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void emptyFilterChain_expectNull() throws UnknownHostException {
|
||||
InetAddress ipLocalAddress = InetAddress.getByName("10.1.2.3");
|
||||
InetSocketAddress localAddress = new InetSocketAddress(ipLocalAddress, PORT);
|
||||
ArgumentCaptor<XdsClient.ListenerWatcher> listenerWatcherCaptor = ArgumentCaptor.forClass(null);
|
||||
verify(xdsClient).watchListenerData(eq(PORT), listenerWatcherCaptor.capture());
|
||||
XdsClient.ListenerWatcher registeredWatcher = listenerWatcherCaptor.getValue();
|
||||
when(channel.localAddress()).thenReturn(localAddress);
|
||||
EnvoyServerProtoData.Listener listener =
|
||||
new EnvoyServerProtoData.Listener("listener1",
|
||||
"10.1.2.3", Collections.<EnvoyServerProtoData.FilterChain>emptyList());
|
||||
XdsClient.ListenerUpdate listenerUpdate =
|
||||
XdsClient.ListenerUpdate.newBuilder().setListener(listener).build();
|
||||
registeredWatcher.onListenerChanged(listenerUpdate);
|
||||
DownstreamTlsContext tlsContext = xdsClientWrapperForServerSds.getDownstreamTlsContext(channel);
|
||||
assertThat(tlsContext).isNull();
|
||||
}
|
||||
|
||||
private DownstreamTlsContext commonTestPrep(SocketAddress localAddress) {
|
||||
ArgumentCaptor<XdsClient.ListenerWatcher> listenerWatcherCaptor = ArgumentCaptor.forClass(null);
|
||||
verify(xdsClient).watchListenerData(eq(PORT), listenerWatcherCaptor.capture());
|
||||
XdsClient.ListenerWatcher registeredWatcher = listenerWatcherCaptor.getValue();
|
||||
when(channel.localAddress()).thenReturn(localAddress);
|
||||
EnvoyServerProtoData.Listener listener =
|
||||
XdsClientWrapperForServerSdsTest.buildTestListener(
|
||||
"listener1", "10.1.2.3", PORT, PORT, null, null, null, null, null, null);
|
||||
XdsClient.ListenerUpdate listenerUpdate =
|
||||
XdsClient.ListenerUpdate.newBuilder().setListener(listener).build();
|
||||
registeredWatcher.onListenerChanged(listenerUpdate);
|
||||
return xdsClientWrapperForServerSds.getDownstreamTlsContext(channel);
|
||||
}
|
||||
}
|
||||
|
|
@ -189,19 +189,23 @@ public class SdsProtocolNegotiatorsTest {
|
|||
DownstreamTlsContext downstreamTlsContext =
|
||||
buildDownstreamTlsContextFromFilenames(SERVER_1_KEY_FILE, SERVER_1_PEM_FILE, CA_PEM_FILE);
|
||||
|
||||
SdsProtocolNegotiators.ServerSdsHandler serverSdsHandler =
|
||||
new SdsProtocolNegotiators.ServerSdsHandler(grpcHandler, downstreamTlsContext);
|
||||
pipeline.addLast(serverSdsHandler);
|
||||
channelHandlerCtx = pipeline.context(serverSdsHandler);
|
||||
assertNotNull(channelHandlerCtx); // serverSdsHandler ctx is non-null since we just added it
|
||||
SdsProtocolNegotiators.HandlerPickerHandler handlerPickerHandler =
|
||||
new SdsProtocolNegotiators.HandlerPickerHandler(grpcHandler, downstreamTlsContext, null);
|
||||
pipeline.addLast(handlerPickerHandler);
|
||||
channelHandlerCtx = pipeline.context(handlerPickerHandler);
|
||||
assertThat(channelHandlerCtx).isNotNull(); // should find HandlerPickerHandler
|
||||
|
||||
// kick off protocol negotiation
|
||||
// kick off protocol negotiation: should replace HandlerPickerHandler with ServerSdsHandler
|
||||
pipeline.fireUserEventTriggered(InternalProtocolNegotiationEvent.getDefault());
|
||||
channelHandlerCtx = pipeline.context(handlerPickerHandler);
|
||||
assertThat(channelHandlerCtx).isNull();
|
||||
channelHandlerCtx = pipeline.context(SdsProtocolNegotiators.ServerSdsHandler.class);
|
||||
assertThat(channelHandlerCtx).isNotNull();
|
||||
channel.runPendingTasks(); // need this for tasks to execute on eventLoop
|
||||
channelHandlerCtx = pipeline.context(serverSdsHandler);
|
||||
channelHandlerCtx = pipeline.context(SdsProtocolNegotiators.ServerSdsHandler.class);
|
||||
assertThat(channelHandlerCtx).isNull();
|
||||
|
||||
// pipeline should have SslHandler and ServerTlsHandler
|
||||
// pipeline should only have SslHandler and ServerTlsHandler
|
||||
Iterator<Map.Entry<String, ChannelHandler>> iterator = pipeline.iterator();
|
||||
assertThat(iterator.next().getValue()).isInstanceOf(SslHandler.class);
|
||||
// ProtocolNegotiators.ServerTlsHandler.class is not accessible, get canonical name
|
||||
|
|
@ -209,6 +213,25 @@ public class SdsProtocolNegotiatorsTest {
|
|||
.contains("ProtocolNegotiators.ServerTlsHandler");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void serverSdsHandler_nullTlsContext_expectPlaintext() throws IOException {
|
||||
SdsProtocolNegotiators.HandlerPickerHandler handlerPickerHandler =
|
||||
new SdsProtocolNegotiators.HandlerPickerHandler(grpcHandler, null, null);
|
||||
pipeline.addLast(handlerPickerHandler);
|
||||
channelHandlerCtx = pipeline.context(handlerPickerHandler);
|
||||
assertThat(channelHandlerCtx).isNotNull(); // should find HandlerPickerHandler
|
||||
|
||||
// kick off protocol negotiation
|
||||
pipeline.fireUserEventTriggered(InternalProtocolNegotiationEvent.getDefault());
|
||||
channelHandlerCtx = pipeline.context(handlerPickerHandler);
|
||||
assertThat(channelHandlerCtx).isNull();
|
||||
channel.runPendingTasks(); // need this for tasks to execute on eventLoop
|
||||
Iterator<Map.Entry<String, ChannelHandler>> iterator = pipeline.iterator();
|
||||
assertThat(iterator.next().getValue()).isInstanceOf(FakeGrpcHttp2ConnectionHandler.class);
|
||||
// no more handlers in the pipeline
|
||||
assertThat(iterator.hasNext()).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void clientSdsProtocolNegotiatorNewHandler_fireProtocolNegotiationEvent()
|
||||
throws IOException, InterruptedException {
|
||||
|
|
|
|||
Loading…
Reference in New Issue