dimas-b commented on code in PR #2728: URL: https://github.com/apache/polaris/pull/2728#discussion_r2399578007
########## persistence/nosql/nodes/impl/src/main/java/org/apache/polaris/nodes/impl/NodeManagementImpl.java: ########## @@ -0,0 +1,630 @@ +/* + * 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.polaris.nodes.impl; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkState; +import static java.lang.Integer.bitCount; + +import com.google.common.annotations.VisibleForTesting; +import jakarta.annotation.Nonnull; +import jakarta.annotation.PreDestroy; +import jakarta.enterprise.context.ApplicationScoped; +import jakarta.inject.Inject; +import java.net.InterfaceAddress; +import java.net.NetworkInterface; +import java.net.SocketException; +import java.time.Duration; +import java.time.Instant; +import java.time.temporal.ChronoUnit; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.BitSet; +import java.util.Objects; +import java.util.Optional; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ThreadLocalRandom; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; +import java.util.function.IntSupplier; +import org.apache.polaris.ids.api.IdGenerator; +import org.apache.polaris.ids.api.IdGeneratorSpec; +import org.apache.polaris.ids.api.ImmutableIdGeneratorSpec; +import org.apache.polaris.ids.api.MonotonicClock; +import org.apache.polaris.ids.spi.IdGeneratorFactory; +import org.apache.polaris.ids.spi.IdGeneratorSource; +import org.apache.polaris.nodes.api.ImmutableNode; +import org.apache.polaris.nodes.api.Node; +import org.apache.polaris.nodes.api.NodeLease; +import org.apache.polaris.nodes.api.NodeManagement; +import org.apache.polaris.nodes.api.NodeManagementConfig; +import org.apache.polaris.nodes.spi.ImmutableBuildableNodeManagementState; +import org.apache.polaris.nodes.spi.ImmutableNodeState; +import org.apache.polaris.nodes.spi.NodeState; +import org.apache.polaris.nodes.spi.NodeStore; +import org.apache.polaris.nodes.spi.NodeStoreFactory; +import org.apache.polaris.nosql.async.AsyncExec; +import org.apache.polaris.nosql.async.Cancelable; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +@ApplicationScoped +class NodeManagementImpl implements NodeManagement { + private static final Logger LOGGER = LoggerFactory.getLogger(NodeManagementImpl.class); + + // should be a power of 2 + private static final int CHECK_BATCH_SIZE = 16; + static final Duration RESCHEDULE_AFTER_FAILURE = Duration.ofSeconds(10); + static final Duration RESCHEDULE_UNTIL_EXPIRATION = Duration.ofMinutes(1); + static final Duration RENEWAL_MIN_LEFT_FOR_RENEWAL = Duration.ofSeconds(30); + private final NodeStore nodeStore; + private final NodeManagementConfig config; + private final MonotonicClock clock; + private final int numNodeIds; + private final IdGeneratorFactory<?> idGenFactory; + private final IdGeneratorSpec idGenSpec; + + private final Set<NodeLeaseImpl> registeredLeases = ConcurrentHashMap.newKeySet(); + private final IdGenerator systemIdGen; + private final AsyncExec scheduler; + + private volatile boolean closed; + + @SuppressWarnings("CdiInjectionPointsInspection") + @Inject + NodeManagementImpl( + NodeManagementConfig config, + MonotonicClock clock, + NodeStoreFactory nodeStoreFactory, + AsyncExec scheduler) { + var activePeriod = config.leaseDuration().minus(config.renewalPeriod()); + this.numNodeIds = config.numNodes(); + checkArgs( + () -> + checkArgument( + config.leaseDuration().compareTo(Duration.ofMinutes(15)) > 0, + "leaseDuration must be at least 15 minutes"), + () -> + checkArgument( + activePeriod.isPositive(), "leaseDuration must be greater than renewalPeriod"), + () -> + checkArgument( + activePeriod.compareTo(Duration.ofMinutes(15)) > 0, + "active period (leaseDuration - renewalPeriod) must be at least 15 minutes"), + () -> + checkArgument( + numNodeIds >= CHECK_BATCH_SIZE && bitCount(numNodeIds) == 1, + "numNodeIds %s must not be smaller than %s and a power of 2", + numNodeIds, + CHECK_BATCH_SIZE)); + this.config = config; + this.clock = clock; + this.scheduler = scheduler; + + var idGenSpec = + (IdGeneratorSpec) ImmutableIdGeneratorSpec.builder().from(config.idGeneratorSpec()).build(); + var validationIdGeneratorSource = + new IdGeneratorSource() { + @Override + public long currentTimeMillis() { + return clock.currentTimeMillis(); + } + + @Override + public int nodeId() { + return 0; + } + }; + while (true) { Review Comment: thx :+1: -- This is an automated message from the Apache Git Service. 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