modules/distribution-zones/src/test/java/org/apache/ignite/internal/distributionzones/DistributionZoneManagerConfigurationChangesTest.java

/*
 * 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.
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package org.apache.ignite.internal.distributionzones;

import static org.apache.ignite.internal.catalog.commands.CatalogUtils.INFINITE_TIMER_VALUE;
import static org.apache.ignite.internal.distributionzones.DistributionZonesTestUtil.assertDataNodesFromLogicalNodesInStorage;
import static org.apache.ignite.internal.distributionzones.DistributionZonesTestUtil.assertLogicalTopology;
import static org.apache.ignite.internal.distributionzones.DistributionZonesUtil.zoneScaleDownChangeTriggerKey;
import static org.apache.ignite.internal.distributionzones.DistributionZonesUtil.zoneScaleUpChangeTriggerKey;
import static org.apache.ignite.internal.testframework.IgniteTestUtils.waitForCondition;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.Set;
import org.apache.ignite.internal.cluster.management.topology.api.LogicalNode;
import org.apache.ignite.network.NetworkAddress;
import org.jetbrains.annotations.Nullable;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

/** Tests distribution zones configuration changes and reaction to that changes. */
public class DistributionZoneManagerConfigurationChangesTest extends BaseDistributionZoneManagerTest {
    private static final String ZONE_NAME = "zone1";

    private static final String NEW_ZONE_NAME = "zone2";

    private static final LogicalNode NODE_1 = new LogicalNode("1", "node1", new NetworkAddress("localhost", 123));

    private static final Set<LogicalNode> nodes = Set.of(NODE_1);

    @BeforeEach
    @Override
    public void setUp() throws Exception {
        super.setUp();

        startDistributionZoneManager();

        topology.putNode(NODE_1);

        assertLogicalTopology(nodes, keyValueStorage);

        assertDataNodesFromLogicalNodesInStorage(getDefaultZone().id(), nodes, keyValueStorage);
    }

    @Test
    void testDataNodesPropagationAfterZoneCreation() throws Exception {
        createZone(ZONE_NAME);

        int zoneId = getZoneId(ZONE_NAME);

        assertZonesKeysInMetaStorage(zoneId, nodes);
    }

    @Test
    void testZoneDeleteRemovesMetaStorageKey() throws Exception {
        createZone(ZONE_NAME);

        int zoneId = getZoneId(ZONE_NAME);

        assertDataNodesFromLogicalNodesInStorage(zoneId, nodes, keyValueStorage);

        dropZone(ZONE_NAME);

        assertZonesKeysInMetaStorage(zoneId, null);
    }

    @Test
    void testSeveralZoneCreationsUpdatesTriggerKey() throws Exception {
        createZone(ZONE_NAME);

        createZone(NEW_ZONE_NAME);

        int zoneId = getZoneId(ZONE_NAME);
        int zoneId2 = getZoneId(NEW_ZONE_NAME);

        assertZonesKeysInMetaStorage(zoneId, nodes);
        assertZonesKeysInMetaStorage(zoneId2, nodes);
    }

    private void assertZonesKeysInMetaStorage(int zoneId, @Nullable Set<LogicalNode> clusterNodes) throws InterruptedException {
        assertDataNodesFromLogicalNodesInStorage(zoneId, clusterNodes, keyValueStorage);

        if (clusterNodes != null) {
            assertTrue(waitForCondition(() -> keyValueStorage.get(zoneScaleUpChangeTriggerKey(zoneId).bytes()).value() != null, 5000));
            assertTrue(waitForCondition(() -> keyValueStorage.get(zoneScaleDownChangeTriggerKey(zoneId).bytes()).value() != null, 5000));
        } else {
            assertTrue(waitForCondition(() -> keyValueStorage.get(zoneScaleUpChangeTriggerKey(zoneId).bytes()).value() == null, 5000));
            assertTrue(waitForCondition(() -> keyValueStorage.get(zoneScaleDownChangeTriggerKey(zoneId).bytes()).value() == null, 5000));
        }

        assertArrayEquals(
                keyValueStorage.get(zoneScaleUpChangeTriggerKey(zoneId).bytes()).value(),
                keyValueStorage.get(zoneScaleDownChangeTriggerKey(zoneId).bytes()).value()
        );
    }

    private void createZone(String zoneName) {
        createZone(zoneName, INFINITE_TIMER_VALUE, INFINITE_TIMER_VALUE, null);
    }
}