chesnokoff commented on code in PR #13195:
URL: https://github.com/apache/ignite/pull/13195#discussion_r3341733825
##########
modules/core/src/main/java/org/apache/ignite/internal/processors/rollingupgrade/RollingUpgradeProcessor.java:
##########
@@ -17,334 +17,480 @@
package org.apache.ignite.internal.processors.rollingupgrade;
-import java.util.Objects;
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.SortedSet;
+import java.util.TreeSet;
import java.util.UUID;
-import java.util.concurrent.CountDownLatch;
+import java.util.function.Supplier;
import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.IgniteException;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.events.DiscoveryEvent;
-import org.apache.ignite.events.Event;
import org.apache.ignite.internal.GridKernalContext;
-import org.apache.ignite.internal.managers.eventstorage.GridLocalEventListener;
+import org.apache.ignite.internal.IgniteInternalFuture;
+import org.apache.ignite.internal.IgniteVersionUtils;
import org.apache.ignite.internal.processors.GridProcessorAdapter;
-import
org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage;
-import
org.apache.ignite.internal.processors.metastorage.DistributedMetastorageLifecycleListener;
-import
org.apache.ignite.internal.processors.metastorage.ReadableDistributedMetaStorage;
import
org.apache.ignite.internal.processors.nodevalidation.DiscoveryNodeValidationProcessor;
-import org.apache.ignite.internal.util.lang.IgnitePair;
+import
org.apache.ignite.internal.processors.rollingupgrade.feature.IgniteFeatureManager;
+import
org.apache.ignite.internal.processors.rollingupgrade.feature.IgniteFeatureSet;
+import
org.apache.ignite.internal.processors.rollingupgrade.feature.IgniteProductFeatures;
+import
org.apache.ignite.internal.processors.rollingupgrade.feature.IgniteReleaseFeatures;
+import org.apache.ignite.internal.util.distributed.DistributedProcess;
+import org.apache.ignite.internal.util.distributed.InitMessage;
+import org.apache.ignite.internal.util.future.GridFinishedFuture;
import org.apache.ignite.internal.util.typedef.F;
-import org.apache.ignite.internal.util.typedef.internal.LT;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteProductVersion;
-import org.apache.ignite.plugin.security.SecurityPermission;
+import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.spi.IgniteNodeValidationResult;
-import org.apache.ignite.spi.discovery.DiscoverySpi;
-import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
-import org.apache.ignite.spi.discovery.tcp.internal.TcpDiscoveryNodesRing;
+import org.apache.ignite.spi.discovery.DiscoveryDataBag;
import org.jetbrains.annotations.Nullable;
import static org.apache.ignite.events.EventType.EVT_NODE_FAILED;
import static org.apache.ignite.events.EventType.EVT_NODE_JOINED;
import static org.apache.ignite.events.EventType.EVT_NODE_LEFT;
-import static org.apache.ignite.internal.IgniteNodeAttributes.ATTR_BUILD_VER;
-import static
org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage.IGNITE_INTERNAL_KEY_PREFIX;
-
-/** Rolling upgrade processor. Manages current and target versions of cluster.
*/
+import static org.apache.ignite.events.EventType.EVT_NODE_VALIDATION_FAILED;
+import static
org.apache.ignite.internal.GridComponent.DiscoveryDataExchangeType.ROLLING_UPGRADE_PROC;
+import static
org.apache.ignite.internal.IgniteNodeAttributes.ATTR_IGNITE_FEATURES;
+import static
org.apache.ignite.internal.util.distributed.DistributedProcess.DistributedProcessType.RU_COMPLETE_VERSION_FINALIZATION;
+import static
org.apache.ignite.internal.util.distributed.DistributedProcess.DistributedProcessType.RU_ENABLE;
+import static
org.apache.ignite.internal.util.distributed.DistributedProcess.DistributedProcessType.RU_PREPARE_VERSION_FINALIZATION;
+import static
org.apache.ignite.plugin.security.SecurityPermission.ADMIN_ROLLING_UPGRADE;
+
+/** */
public class RollingUpgradeProcessor extends GridProcessorAdapter implements
DiscoveryNodeValidationProcessor {
- /** Key for the distributed property that holds current and target
versions. */
- private static final String ROLLING_UPGRADE_VERSIONS_KEY =
IGNITE_INTERNAL_KEY_PREFIX + "rolling.upgrade.versions";
-
- /** Metastorage with the write access. */
- @Nullable private volatile DistributedMetaStorage metastorage;
+ /** */
+ private final IgniteFeatureManager featureMgr;
- /** TCP discovery nodes ring. */
- private TcpDiscoveryNodesRing ring;
+ /** */
+ private final ClusterVersionUpgradeEnableProcess enableProc;
- /** Last joining node. */
- private ClusterNode lastJoiningNode;
+ /** */
+ private final ClusterVersionFinalizationProcess finalizeProc;
- /** Last joining node timestamp. */
- private long lastJoiningNodeTimestamp;
+ /** */
+ private final Object topGuard = new Object();
- /** Lock for synchronization between tcp-disco-msg-worker thread and
management operations. */
- private final Object lock = new Object();
+ /** */
+ private final Set<ClusterNode> joiningNodes = new HashSet<>();
/** */
- private final CountDownLatch startLatch = new CountDownLatch(1);
+ private volatile boolean isNodeFenceActive;
- /** Pair with current and target versions. {@code null} when rolling
upgrade is disabled. */
- @Nullable private volatile IgnitePair<IgniteProductVersion> rollUpVers;
+ /** */
+ private volatile boolean isVersionUpgradeEnabled;
Review Comment:
```suggestion
private volatile boolean isVerUpgradeEnabled;
```
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