Pochatkin commented on code in PR #6556: URL: https://github.com/apache/ignite-3/pull/6556#discussion_r2329265259
########## modules/code-deployment/src/main/java/org/apache/ignite/internal/deployunit/StaticDeploymentUnitObserver.java: ########## @@ -0,0 +1,152 @@ +/* + * 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.ignite.internal.deployunit; + +import static org.apache.ignite.deployment.version.Version.parseVersion; +import static org.apache.ignite.internal.deployunit.DeploymentStatus.DEPLOYED; +import static org.apache.ignite.internal.util.CompletableFutures.allOf; + +import java.io.IOException; +import java.nio.file.FileVisitResult; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.SimpleFileVisitor; +import java.nio.file.attribute.BasicFileAttributes; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.CompletableFuture; +import java.util.stream.Collectors; +import org.apache.ignite.deployment.version.Version; +import org.apache.ignite.internal.deployunit.exception.DeploymentUnitReadException; +import org.apache.ignite.internal.deployunit.metastore.DeploymentUnitStore; +import org.apache.ignite.internal.deployunit.metastore.status.UnitNodeStatus; +import org.apache.ignite.internal.logger.IgniteLogger; +import org.apache.ignite.internal.logger.Loggers; + +/** + * Observes a predefined directory with statically provisioned deployment units and + * registers their presence in the deployment store. + * + * <p>The observer scans the {@code deploymentUnitsRoot} directory, expecting the following structure: + * {@code <unitId>/<version>/} + * For every discovered {@code unitId}-{@code version} pair that is not yet registered for this node, + * the observer creates (or reuses) a cluster status and then creates the node status marked as + * {@link DeploymentStatus#DEPLOYED}. + */ +public class StaticDeploymentUnitObserver { + private static final IgniteLogger LOG = Loggers.forClass(StaticDeploymentUnitObserver.class); + + private final DeploymentUnitStore deploymentUnitStore; + + private final String nodeName; + + private final Path deploymentUnitsRoot; + + /** + * Constructor. + */ + public StaticDeploymentUnitObserver( + DeploymentUnitStore deploymentUnitStore, + String nodeName, + Path deploymentUnitsRoot + ) { + this.deploymentUnitStore = deploymentUnitStore; + this.nodeName = nodeName; + this.deploymentUnitsRoot = deploymentUnitsRoot; + } + + /** + * Scans the filesystem for statically deployed units and registers their cluster and node statuses + * if they are not yet present in the store. + * + * <p>Already registered unit versions for this node are skipped. New ones are registered as DEPLOYED. + */ + public CompletableFuture<Void> observeAndRegisterStaticUnits() { + Map<String, List<Version>> staticUnits = collectStaticUnits(); + + return deploymentUnitStore.getNodeStatuses(nodeName).thenCompose(statuses -> { + List<CompletableFuture<?>> futures = new ArrayList<>(); + + for (UnitNodeStatus status : statuses) { + staticUnits.get(status.id()).remove(status.version()); + if (staticUnits.get(status.id()).isEmpty()) { + staticUnits.remove(status.id()); + } + } + + staticUnits.forEach((id, versions) -> { + versions.forEach(version -> { + LOG.info("Start processing unit {}:{}", id, version); + CompletableFuture<Boolean> future = deploymentUnitStore.createClusterStatus(id, version, Set.of(nodeName)) + .thenCompose(status -> { + if (status == null) { + return deploymentUnitStore.getClusterStatus(id, version).thenCompose(it -> + deploymentUnitStore.createNodeStatus(nodeName, id, version, it.opId(), DEPLOYED) + ); + } else { + return deploymentUnitStore.createNodeStatus(nodeName, id, version, status.opId(), DEPLOYED); + } + }) + .whenComplete((result, t) -> + LOG.info("Finished static status creating {}:{} with result {}", t, id, version, result) + ); + futures.add(future); + }); + }); + + return allOf(futures); + }); + } + + private Map<String, List<Version>> collectStaticUnits() { + Map<String, List<Version>> units = new HashMap<>(); + List<Path> unitFolders = allSubdirectories(deploymentUnitsRoot); + for (Path unitFolder : unitFolders) { + List<Path> versions = allSubdirectories(unitFolder); + units.put( + unitFolder.getFileName().toString(), + versions.stream() + .map(versionFolder -> parseVersion(versionFolder.getFileName().toString())) + .collect(Collectors.toList()) + ); + } + return units; + } + + private static List<Path> allSubdirectories(Path folder) { + List<Path> subfolders = new ArrayList<>(); + try { + Files.walkFileTree(folder, Set.of(), 2, new SimpleFileVisitor<>() { Review Comment: Done ########## modules/code-deployment/src/main/java/org/apache/ignite/internal/deployunit/StaticDeploymentUnitObserver.java: ########## @@ -0,0 +1,152 @@ +/* + * 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.ignite.internal.deployunit; + +import static org.apache.ignite.deployment.version.Version.parseVersion; +import static org.apache.ignite.internal.deployunit.DeploymentStatus.DEPLOYED; +import static org.apache.ignite.internal.util.CompletableFutures.allOf; + +import java.io.IOException; +import java.nio.file.FileVisitResult; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.SimpleFileVisitor; +import java.nio.file.attribute.BasicFileAttributes; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.CompletableFuture; +import java.util.stream.Collectors; +import org.apache.ignite.deployment.version.Version; +import org.apache.ignite.internal.deployunit.exception.DeploymentUnitReadException; +import org.apache.ignite.internal.deployunit.metastore.DeploymentUnitStore; +import org.apache.ignite.internal.deployunit.metastore.status.UnitNodeStatus; +import org.apache.ignite.internal.logger.IgniteLogger; +import org.apache.ignite.internal.logger.Loggers; + +/** + * Observes a predefined directory with statically provisioned deployment units and + * registers their presence in the deployment store. + * + * <p>The observer scans the {@code deploymentUnitsRoot} directory, expecting the following structure: + * {@code <unitId>/<version>/} + * For every discovered {@code unitId}-{@code version} pair that is not yet registered for this node, + * the observer creates (or reuses) a cluster status and then creates the node status marked as + * {@link DeploymentStatus#DEPLOYED}. + */ +public class StaticDeploymentUnitObserver { Review Comment: Done -- This is an automated message from the Apache Git Service. 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