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HDDS-11615. Add Upgrade Action for Initial Schema Constraints for Unh…
…ealthy Container Table in Recon. (apache#7372)
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114 changes: 114 additions & 0 deletions
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...n/src/main/java/org/apache/hadoop/ozone/recon/upgrade/InitialConstraintUpgradeAction.java
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| /* | ||
| * 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.hadoop.ozone.recon.upgrade; | ||
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| import com.google.common.annotations.VisibleForTesting; | ||
| import org.apache.hadoop.ozone.recon.scm.ReconStorageContainerManagerFacade; | ||
| import org.hadoop.ozone.recon.schema.ContainerSchemaDefinition; | ||
| import org.jooq.DSLContext; | ||
| import org.jooq.impl.DSL; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import javax.sql.DataSource; | ||
| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
| import java.util.Arrays; | ||
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| import static org.apache.hadoop.ozone.recon.upgrade.ReconLayoutFeature.INITIAL_VERSION; | ||
| import static org.apache.hadoop.ozone.recon.upgrade.ReconUpgradeAction.UpgradeActionType.FINALIZE; | ||
| import static org.hadoop.ozone.recon.codegen.SqlDbUtils.TABLE_EXISTS_CHECK; | ||
| import static org.hadoop.ozone.recon.schema.ContainerSchemaDefinition.UNHEALTHY_CONTAINERS_TABLE_NAME; | ||
| import static org.jooq.impl.DSL.field; | ||
| import static org.jooq.impl.DSL.name; | ||
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| /** | ||
| * Upgrade action for the INITIAL schema version, which manages constraints | ||
| * for the UNHEALTHY_CONTAINERS table. | ||
| */ | ||
| @UpgradeActionRecon(feature = INITIAL_VERSION, type = FINALIZE) | ||
| public class InitialConstraintUpgradeAction implements ReconUpgradeAction { | ||
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| private static final Logger LOG = LoggerFactory.getLogger(InitialConstraintUpgradeAction.class); | ||
| private DataSource dataSource; | ||
| private DSLContext dslContext; | ||
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| @Override | ||
| public void execute(ReconStorageContainerManagerFacade scmFacade) throws SQLException { | ||
| this.dataSource = scmFacade.getDataSource(); | ||
| try (Connection conn = dataSource.getConnection()) { | ||
| if (!TABLE_EXISTS_CHECK.test(conn, UNHEALTHY_CONTAINERS_TABLE_NAME)) { | ||
| return; | ||
| } | ||
| dslContext = DSL.using(conn); | ||
| // Drop the existing constraint | ||
| dropConstraint(); | ||
| // Add the updated constraint with all enum states | ||
| addUpdatedConstraint(); | ||
| } catch (SQLException e) { | ||
| throw new SQLException("Failed to execute InitialConstraintUpgradeAction", e); | ||
| } | ||
| } | ||
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| /** | ||
| * Drops the existing constraint from the UNHEALTHY_CONTAINERS table. | ||
| */ | ||
| private void dropConstraint() { | ||
| String constraintName = UNHEALTHY_CONTAINERS_TABLE_NAME + "ck1"; | ||
| dslContext.alterTable(UNHEALTHY_CONTAINERS_TABLE_NAME) | ||
| .dropConstraint(constraintName) | ||
| .execute(); | ||
| LOG.debug("Dropped the existing constraint: {}", constraintName); | ||
| } | ||
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| /** | ||
| * Adds the updated constraint directly within this class. | ||
| */ | ||
| private void addUpdatedConstraint() { | ||
| String[] enumStates = Arrays | ||
| .stream(ContainerSchemaDefinition.UnHealthyContainerStates.values()) | ||
| .map(Enum::name) | ||
| .toArray(String[]::new); | ||
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| dslContext.alterTable(ContainerSchemaDefinition.UNHEALTHY_CONTAINERS_TABLE_NAME) | ||
| .add(DSL.constraint(ContainerSchemaDefinition.UNHEALTHY_CONTAINERS_TABLE_NAME + "ck1") | ||
| .check(field(name("container_state")) | ||
| .in(enumStates))) | ||
| .execute(); | ||
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| LOG.info("Added the updated constraint to the UNHEALTHY_CONTAINERS table for enum state values: {}", | ||
| Arrays.toString(enumStates)); | ||
| } | ||
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| @Override | ||
| public UpgradeActionType getType() { | ||
| return FINALIZE; | ||
| } | ||
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| @VisibleForTesting | ||
| public void setDataSource(DataSource dataSource) { | ||
| this.dataSource = dataSource; | ||
| } | ||
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| @VisibleForTesting | ||
| public void setDslContext(DSLContext dslContext) { | ||
| this.dslContext = dslContext; | ||
| } | ||
| } |
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