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 java.io.File;
  import java.io.InputStream;
  import java.sql.Connection;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.UUID;
  
  
  import com.cloud.utils.exception.CloudRuntimeException;
  
  public class Upgrade305to306 extends Upgrade30xBase {
  
      @Override
      public String[] getUpgradableVersionRange() {
          return new String[] {"3.0.5", "3.0.6"};
      }
  
      @Override
      public String getUpgradedVersion() {
          return "3.0.6";
      }
  
      @Override
      public boolean supportsRollingUpgrade() {
          return true;
      }
  
      @Override
      public InputStream[] getPrepareScripts() {
          final String scriptFile = "META-INF/db/schema-305to306.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) {
  
          //Add index for alert table.
          addIndexForAlert(conn);
  
          upgradeEIPNetworkOfferings(conn);
  
          addIndexForHostDetails(conn);
          upgradeEgressFirewallRules(conn);
          removeFirewallServiceFromSharedNetworkOfferingWithSGService(conn);
          fix22xKVMSnapshots(conn);
      }
  
      private void addIndexForAlert(Connection conn) {
  
          //First drop if it exists. (Due to patches shipped to customers some will have the index and some won't.)
          List<String> indexList = new ArrayList<String>();
          logger.debug("Dropping index i_alert__last_sent if it exists");
          indexList.add("i_alert__last_sent");
          DbUpgradeUtils.dropKeysIfExist(conn, "alert", indexList, false);
  
          //Now add index.
          try (PreparedStatement pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`alert` ADD INDEX `i_alert__last_sent`(`last_sent`)");) {
              pstmt.executeUpdate();
              logger.debug("Added index i_alert__last_sent for table alert");
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to add index i_alert__last_sent to alert table for the column last_sent", e);
          }
  
      }
  
      private void upgradeEIPNetworkOfferings(Connection conn) {
          try (
                  PreparedStatement pstmt = conn.prepareStatement("select id, elastic_ip_service from `cloud`.`network_offerings` where traffic_type='Guest'");
                  PreparedStatement pstmt1 = conn.prepareStatement("UPDATE `cloud`.`network_offerings` set eip_associate_public_ip=? where id=?");
                  ResultSet rs = pstmt.executeQuery();
              ){
              while (rs.next()) {
                  long id = rs.getLong(1);
                  // check if elastic IP service is enabled for network offering
                  if (rs.getLong(2) != 0) {
                      //update network offering with eip_associate_public_ip set to true
                      pstmt1.setBoolean(1, true);
                      pstmt1.setLong(2, id);
                      pstmt1.executeUpdate();
                  }
              }
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to set eip_associate_public_ip for network offerings with EIP service enabled.", e);
          }
      }
  
      private void addIndexForHostDetails(Connection conn) {
  
          //First drop if it exists. (Due to patches shipped to customers some will have the index and some won't.)
          List<String> indexList = new ArrayList<String>();
          logger.debug("Dropping index fk_host_details__host_id if it exists");
          indexList.add("fk_host_details__host_id");
          DbUpgradeUtils.dropKeysIfExist(conn, "host_details", indexList, false);
  
          //Now add index.
          try (PreparedStatement pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`host_details` ADD INDEX `fk_host_details__host_id`(`host_id`)");) {
              pstmt.executeUpdate();
              logger.debug("Added index fk_host_details__host_id for table host_details");
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to add index fk_host_details__host_id to host_details table for the column host_id", e);
          }
  
      }
  
      private void upgradeEgressFirewallRules(Connection conn) {
          PreparedStatement pstmt = null;
          ResultSet rs = null;
          ResultSet rsId = null;
          ResultSet rsNw = null;
          try {
              // update the existing ingress rules traffic type
              pstmt = conn.prepareStatement("update `cloud`.`firewall_rules`" +
                  "  set traffic_type='Ingress' where purpose='Firewall' and ip_address_id is not null and traffic_type is null");
              logger.debug("Updating firewall Ingress rule traffic type: " + pstmt);
              pstmt.executeUpdate();
  
              pstmt = conn.prepareStatement("select network_id FROM `cloud`.`ntwk_service_map` where service='Firewall' and provider='VirtualRouter' ");
              rs = pstmt.executeQuery();
              while (rs.next()) {
                  long netId = rs.getLong(1);
                  //When upgraded from 2.2.14 to 3.0.6 guest_type is updated to Isolated in the 2214to30 clean up sql. clean up executes
                  //after this. So checking for Isolated OR Virtual
                  pstmt = conn.prepareStatement("select account_id, domain_id FROM `cloud`.`networks` where (guest_type='Isolated' OR guest_type='" +
                      "Virtual') and traffic_type='Guest' and vpc_id is NULL and (state='implemented' OR state='Shutdown') and id=? ");
                  pstmt.setLong(1, netId);
                  logger.debug("Getting account_id, domain_id from networks table: " + pstmt);
                  rsNw = pstmt.executeQuery();
  
                  if (rsNw.next()) {
                      long accountId = rsNw.getLong(1);
                      long domainId = rsNw.getLong(2);
  
                      //Add new rule for the existing networks
                      logger.debug("Adding default egress firewall rule for network " + netId);
                      pstmt =
                          conn.prepareStatement("INSERT INTO firewall_rules (uuid, state, protocol, purpose, account_id, domain_id, network_id, xid, created,  traffic_type) VALUES (?, 'Active', 'all', 'Firewall', ?, ?, ?, ?, now(), 'Egress')");
                      pstmt.setString(1, UUID.randomUUID().toString());
                      pstmt.setLong(2, accountId);
                      pstmt.setLong(3, domainId);
                      pstmt.setLong(4, netId);
                      pstmt.setString(5, UUID.randomUUID().toString());
                      logger.debug("Inserting default egress firewall rule " + pstmt);
                      pstmt.executeUpdate();
  
                      pstmt = conn.prepareStatement("select id from firewall_rules where protocol='all' and network_id=?");
                      pstmt.setLong(1, netId);
                      rsId = pstmt.executeQuery();
  
                      long firewallRuleId;
                      if (rsId.next()) {
                          firewallRuleId = rsId.getLong(1);
                          pstmt = conn.prepareStatement("insert into firewall_rules_cidrs (firewall_rule_id,source_cidr) values (?, '0.0.0.0/0')");
                          pstmt.setLong(1, firewallRuleId);
                          logger.debug("Inserting rule for cidr 0.0.0.0/0 for the new Firewall rule id=" + firewallRuleId + " with statement " + pstmt);
                          pstmt.executeUpdate();
                      }
                  }
              }
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to set egress firewall rules ", e);
          } finally {
              closeAutoCloseable(rs);
              closeAutoCloseable(pstmt);
          }
      }
  
      private void removeFirewallServiceFromSharedNetworkOfferingWithSGService(Connection conn) {
          PreparedStatement pstmt = null;
          ResultSet rs = null;
  
          try {
              pstmt = conn.prepareStatement("select id from `cloud`.`network_offerings` where unique_name='DefaultSharedNetworkOfferingWithSGService'");
              rs = pstmt.executeQuery();
              while (rs.next()) {
                  long id = rs.getLong(1);
                  // remove Firewall service for SG shared network offering
                  pstmt = conn.prepareStatement("DELETE FROM `cloud`.`ntwk_offering_service_map` where network_offering_id=? and service='Firewall'");
                  pstmt.setLong(1, id);
                  pstmt.executeUpdate();
              }
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to remove Firewall service for SG shared network offering.", e);
          } finally {
              closeAutoCloseable(rs);
              closeAutoCloseable(pstmt);
          }
      }
  
      private void fix22xKVMSnapshots(Connection conn) {
          PreparedStatement pstmt = null;
          ResultSet rs = null;
          logger.debug("Updating KVM snapshots");
          try {
              pstmt =
                  conn.prepareStatement("select id, backup_snap_id from `cloud`.`snapshots` where hypervisor_type='KVM' and removed is null and backup_snap_id is not null");
              rs = pstmt.executeQuery();
              while (rs.next()) {
                  long id = rs.getLong(1);
                  String backUpPath = rs.getString(2);
                  // Update Backup Path. Remove anything before /snapshots/
                  // e.g 22x Path /mnt/0f14da63-7033-3ca5-bdbe-fa62f4e2f38a/snapshots/1/2/6/i-2-6-VM_ROOT-6_20121219072022
                  // Above path should change to /snapshots/1/2/6/i-2-6-VM_ROOT-6_20121219072022
                  int index = backUpPath.indexOf("snapshots" + File.separator);
                  if (index > 1) {
                      String correctedPath = File.separator + backUpPath.substring(index);
                      logger.debug("Updating Snapshot with id: " + id + " original backup path: " + backUpPath + " updated backup path: " + correctedPath);
                      pstmt = conn.prepareStatement("UPDATE `cloud`.`snapshots` set backup_snap_id=? where id = ?");
                      pstmt.setString(1, correctedPath);
                      pstmt.setLong(2, id);
                      pstmt.executeUpdate();
                  }
              }
              logger.debug("Done updating KVM snapshots");
          } catch (SQLException e) {
              throw new CloudRuntimeException("Unable to update backup id for KVM snapshots", e);
          } finally {
              closeAutoCloseable(rs);
              closeAutoCloseable(pstmt);
          }
      }
  
      @Override
      public InputStream[] getCleanupScripts() {
          final String scriptFile = "META-INF/db/schema-305to306-cleanup.sql";
          final InputStream script = Thread.currentThread().getContextClassLoader().getResourceAsStream(scriptFile);
          if (script == null) {
              throw new CloudRuntimeException("Unable to find " + scriptFile);
          }
  
          return new InputStream[] {script};
      }
  
  }
  