content: // 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 com.cloud.upgrade.dao;
  
  import com.cloud.utils.exception.CloudRuntimeException;
  
  import java.io.InputStream;
  import java.sql.Connection;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  public class Upgrade42100to42200 extends DbUpgradeAbstractImpl implements DbUpgrade, DbUpgradeSystemVmTemplate {
  
      @Override
      public String[] getUpgradableVersionRange() {
          return new String[]{"4.21.0.0", "4.22.0.0"};
      }
  
      @Override
      public String getUpgradedVersion() {
          return "4.22.0.0";
      }
  
      @Override
      public InputStream[] getPrepareScripts() {
          final String scriptFile = "META-INF/db/schema-42100to42200.sql";
          final InputStream script = Thread.currentThread().getContextClassLoader().getResourceAsStream(scriptFile);
          if (script == null) {
              throw new CloudRuntimeException("Unable to find " + scriptFile);
          }
  
          return new InputStream[] {script};
      }
  
      @Override
      public void performDataMigration(Connection conn) {
          updateSnapshotPolicyOwnership(conn);
          updateBackupScheduleOwnership(conn);
      }
  
      protected void updateSnapshotPolicyOwnership(Connection conn) {
          // set account_id and domain_id in snapshot_policy table from volume table
          String selectSql = "SELECT sp.id, v.account_id, v.domain_id FROM snapshot_policy sp, volumes v WHERE sp.volume_id = v.id AND (sp.account_id IS NULL AND sp.domain_id IS NULL)";
          String updateSql = "UPDATE snapshot_policy SET account_id = ?, domain_id = ? WHERE id = ?";
  
          try (PreparedStatement selectPstmt = conn.prepareStatement(selectSql);
               ResultSet rs = selectPstmt.executeQuery();
               PreparedStatement updatePstmt = conn.prepareStatement(updateSql)) {
  
              while (rs.next()) {
                  long policyId = rs.getLong(1);
                  long accountId = rs.getLong(2);
                  long domainId = rs.getLong(3);
  
                  updatePstmt.setLong(1, accountId);
                  updatePstmt.setLong(2, domainId);
                  updatePstmt.setLong(3, policyId);
                  updatePstmt.executeUpdate();
              }
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to update snapshot_policy table with account_id and domain_id", e);
          }
      }
  
      protected void updateBackupScheduleOwnership(Connection conn) {
          // Set account_id and domain_id in backup_schedule table from vm_instance table
          String selectSql = "SELECT bs.id, vm.account_id, vm.domain_id FROM backup_schedule bs, vm_instance vm WHERE bs.vm_id = vm.id AND (bs.account_id IS NULL AND bs.domain_id IS NULL)";
          String updateSql = "UPDATE backup_schedule SET account_id = ?, domain_id = ? WHERE id = ?";
  
          try (PreparedStatement selectPstmt = conn.prepareStatement(selectSql);
               ResultSet rs = selectPstmt.executeQuery();
               PreparedStatement updatePstmt = conn.prepareStatement(updateSql)) {
  
              while (rs.next()) {
                  long scheduleId = rs.getLong(1);
                  long accountId = rs.getLong(2);
                  long domainId = rs.getLong(3);
  
                  updatePstmt.setLong(1, accountId);
                  updatePstmt.setLong(2, domainId);
                  updatePstmt.setLong(3, scheduleId);
                  updatePstmt.executeUpdate();
              }
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to update backup_schedule table with account_id and domain_id", e);
          }
      }
  }
  