| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.cassandra.distributed.upgrade; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.function.BiConsumer; |
| import java.util.regex.Pattern; |
| import java.util.stream.Collectors; |
| |
| import com.google.common.util.concurrent.Uninterruptibles; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.distributed.UpgradeableCluster; |
| import org.apache.cassandra.distributed.api.Feature; |
| import org.apache.cassandra.distributed.api.IMessageFilters; |
| import org.apache.cassandra.distributed.shared.Versions; |
| import org.apache.cassandra.net.Verb; |
| import org.assertj.core.api.Assertions; |
| |
| public class MixedModeGossipTest extends UpgradeTestBase |
| { |
| Pattern expectedNormalStatus = Pattern.compile("STATUS:\\d+:NORMAL,-?\\d+"); |
| Pattern expectedNormalStatusWithPort = Pattern.compile("STATUS_WITH_PORT:\\d+:NORMAL,-?\\d+"); |
| Pattern expectedNormalX3 = Pattern.compile("X3:\\d+:NORMAL,-?\\d+"); |
| |
| @Test |
| public void testStatusFieldShouldExistInOldVersionNodes() throws Throwable |
| { |
| new TestCase() |
| .withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK)) |
| .nodes(3) |
| .nodesToUpgradeOrdered(1, 2, 3) |
| // all upgrades from v30 up, excluding v30->v3X |
| .singleUpgrade(v30, v40) |
| .upgradesFrom(v3X) |
| .setup(c -> {}) |
| .runAfterNodeUpgrade((cluster, node) -> { |
| if (node == 1) { |
| checkPeerGossipInfoShouldContainNormalStatus(cluster, 2); |
| checkPeerGossipInfoShouldContainNormalStatus(cluster, 3); |
| } |
| if (node == 2) { |
| checkPeerGossipInfoShouldContainNormalStatus(cluster, 3); |
| } |
| }) |
| .runAfterClusterUpgrade(cluster -> { |
| // wait 1 minute for `org.apache.cassandra.gms.Gossiper.upgradeFromVersionSupplier` to update |
| Uninterruptibles.sleepUninterruptibly(1, TimeUnit.MINUTES); |
| checkPeerGossipInfoOfAllNodesShouldContainNewStatusAfterUpgrade(cluster); |
| }) |
| .run(); |
| } |
| |
| /** |
| * Similar to {@link #testStatusFieldShouldExistInOldVersionNodes}, but in an edge case that |
| * 1) node2 and node3 cannot gossip with each other. |
| * 2) node2 sends SYN to node1 first when upgrading. |
| * 3) node3 is at the lower version during the cluster upgrade |
| * In this case, node3 gossip info does not contain STATUS field for node2 |
| */ |
| @Test |
| public void testStatusFieldShouldExistInOldVersionNodesEdgeCase() throws Throwable |
| { |
| AtomicReference<IMessageFilters.Filter> n1GossipSynBlocker = new AtomicReference<>(); |
| new TestCase() |
| .withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK)) |
| .nodes(3) |
| .nodesToUpgradeOrdered(1, 2, 3) |
| // all upgrades from v30 up, excluding v30->v3X |
| .singleUpgrade(v30, v40) |
| .upgradesFrom(v3X) |
| .setup(cluster -> { |
| // node2 and node3 gossiper cannot talk with each other |
| cluster.filters().verbs(Verb.GOSSIP_DIGEST_SYN.id).from(2).to(3).drop(); |
| cluster.filters().verbs(Verb.GOSSIP_DIGEST_SYN.id).from(3).to(2).drop(); |
| }) |
| .runAfterNodeUpgrade((cluster, node) -> { |
| // let node2 sends the SYN to node1 first |
| if (node == 1) |
| { |
| IMessageFilters.Filter filter = cluster.filters().verbs(Verb.GOSSIP_DIGEST_SYN.id).from(1).to(2).drop(); |
| n1GossipSynBlocker.set(filter); |
| } |
| else if (node == 2) |
| { |
| n1GossipSynBlocker.get().off(); |
| String node3GossipView = cluster.get(3).nodetoolResult("gossipinfo").getStdout(); |
| String node2GossipState = getGossipStateOfNode(node3GossipView, "/127.0.0.2"); |
| Assertions.assertThat(node2GossipState) |
| .as("The node2's gossip state from node3's perspective should contain status. " + |
| "And it should carry an unrecognized field X3 with NORMAL.") |
| .containsPattern(expectedNormalStatus) |
| .containsPattern(expectedNormalX3); |
| } |
| }) |
| .runAfterClusterUpgrade(cluster -> { |
| // wait 1 minute for `org.apache.cassandra.gms.Gossiper.upgradeFromVersionSupplier` to update |
| Uninterruptibles.sleepUninterruptibly(1, TimeUnit.MINUTES); |
| checkPeerGossipInfoOfAllNodesShouldContainNewStatusAfterUpgrade(cluster); |
| }) |
| .run(); |
| } |
| |
| private void checkPeerGossipInfoOfAllNodesShouldContainNewStatusAfterUpgrade(UpgradeableCluster cluster) |
| { |
| for (int i = 1; i <= 3; i++) |
| { |
| int n = i; |
| checkPeerGossipInfo(cluster, i, (gossipInfo, peers) -> { |
| for (String p : peers) |
| { |
| Assertions.assertThat(getGossipStateOfNode(gossipInfo, p)) |
| .as(String.format("%s gossip state in node%s should not contain STATUS " + |
| "and should contain STATUS_WITH_PORT.", p, n)) |
| .doesNotContain("STATUS:") |
| .containsPattern(expectedNormalStatusWithPort); |
| } |
| }); |
| } |
| } |
| |
| private void checkPeerGossipInfoShouldContainNormalStatus(UpgradeableCluster cluster, int node) |
| { |
| checkPeerGossipInfo(cluster, node, (gossipInfo, peers) -> { |
| for (String n : peers) |
| { |
| Assertions.assertThat(getGossipStateOfNode(gossipInfo, n)) |
| .containsPattern(expectedNormalStatus); |
| } |
| }); |
| } |
| |
| private void checkPeerGossipInfo(UpgradeableCluster cluster, int node, BiConsumer<String, Set<String>> verifier) |
| { |
| Set<Integer> peers = new HashSet<>(Arrays.asList(1, 2, 3)); |
| peers.remove(node); |
| String gossipInfo = cluster.get(node).nodetoolResult("gossipinfo").getStdout(); |
| verifier.accept(gossipInfo, peers.stream().map(i -> "127.0.0." + i).collect(Collectors.toSet())); |
| } |
| |
| private String getGossipStateOfNode(String rawOutput, String nodeInterested) |
| { |
| String temp = rawOutput.substring(rawOutput.indexOf(nodeInterested)); |
| int nextSlashIndex = temp.indexOf('/', 1); |
| if (nextSlashIndex != -1) |
| return temp.substring(0, nextSlashIndex); |
| else |
| return temp; |
| } |
| } |