// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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;
/**
* @author Alena Prokharchyk
*/
import java.io.File;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.log4j.Logger;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.script.Script;
public class Upgrade301to302 implements DbUpgrade {
final static Logger s_logger = Logger.getLogger(Upgrade301to302.class);
@Override
public String[] getUpgradableVersionRange() {
return new String[] { "3.0.1", "3.0.2" };
}
@Override
public String getUpgradedVersion() {
return "3.0.2";
}
@Override
public boolean supportsRollingUpgrade() {
return true;
}
@Override
public File[] getPrepareScripts() {
String script = Script.findScript("", "db/schema-301to302.sql");
if (script == null) {
throw new CloudRuntimeException("Unable to find db/schema-301to302.sql");
}
return new File[] { new File(script) };
}
private void dropKeysIfExists(Connection conn) {
HashMap<String, List<String>> uniqueKeys = new HashMap<String, List<String>>();
List<String> keys = new ArrayList<String>();
keys.add("i_host__allocation_state");
uniqueKeys.put("host", keys);
s_logger.debug("Droping i_host__allocation_state key in host table");
for (String tableName : uniqueKeys.keySet()) {
DbUpgradeUtils.dropKeysIfExist(conn, tableName, uniqueKeys.get(tableName), false);
}
}
@Override
public void performDataMigration(Connection conn) {
dropKeysIfExists(conn);
updateSharedNetworks(conn);
fixLastHostIdKey(conn);
changeEngine(conn);
}
@Override
public File[] getCleanupScripts() {
String script = Script.findScript("", "db/schema-301to302-cleanup.sql");
if (script == null) {
throw new CloudRuntimeException("Unable to find db/schema-301to302-cleanup.sql");
}
return new File[] { new File(script) };
}
protected void updateSharedNetworks(Connection conn) {
PreparedStatement pstmt = null;
ResultSet rs = null;
ResultSet rs1 = null;
try {
pstmt = conn.prepareStatement("select n.id, map.id from `cloud`.`network_offerings` n, `cloud`.`ntwk_offering_service_map` map " +
"where n.id=map.network_offering_id and map.service='Lb' and map.provider='VirtualRouter';");
rs = pstmt.executeQuery();
while (rs.next()) {
long ntwkOffId = rs.getLong(1);
long mapId = rs.getLong(2);
//check if the network offering has source nat service enabled
pstmt = conn.prepareStatement("select n.id from `cloud`.`network_offerings` n, `cloud`.`ntwk_offering_service_map`" +
" map where n.id=map.network_offering_id and map.service='SourceNat' AND n.id=?");
pstmt.setLong(1, ntwkOffId);
rs1 = pstmt.executeQuery();
if (rs1.next()) {
continue;
}
//delete the service only when there are no lb rules for the network(s) using this network offering
pstmt = conn.prepareStatement("select * from `cloud`.`firewall_rules` f, `cloud`.`networks` n, `cloud`.`network_offerings`" +
" off where f.purpose='LB' and f.network_id=n.id and n.network_offering_id=off.id and off.id=?");
pstmt.setLong(1, ntwkOffId);
rs1 = pstmt.executeQuery();
if (rs1.next()) {
continue;
}
//delete lb service for the network offering
pstmt = conn.prepareStatement("DELETE FROM `cloud`.`ntwk_offering_service_map` WHERE id=?");
pstmt.setLong(1, mapId);
pstmt.executeUpdate();
s_logger.debug("Deleted lb service for network offering id=" + ntwkOffId + " as it doesn't have source nat service enabled");
//delete lb service for the network
pstmt = conn.prepareStatement("SELECT map.id, n.id FROM `cloud`.`ntwk_service_map` map, networks n WHERE n.network_offering_id=? " +
"AND map.network_id=n.id AND map.service='Lb'");
pstmt.setLong(1, ntwkOffId);
rs1 = pstmt.executeQuery();
while (rs1.next()) {
mapId = rs1.getLong(1);
long ntwkId=rs1.getLong(2);
pstmt = conn.prepareStatement("DELETE FROM `cloud`.`ntwk_service_map` WHERE id=?");
pstmt.setLong(1, mapId);
pstmt.executeUpdate();
s_logger.debug("Deleted lb service for network id=" + ntwkId + " as it doesn't have source nat service enabled");
}
}
} catch (SQLException e) {
throw new CloudRuntimeException("Unable to update shared networks due to exception while executing query " + pstmt, e);
} finally {
try {
if (rs != null) {
rs.close();
}
if (rs1 != null) {
rs1.close();
}
if (pstmt != null) {
pstmt.close();
}
} catch (SQLException e) {
}
}
}
private void fixLastHostIdKey(Connection conn) {
//Drop i_usage_event__created key (if exists) and re-add it again
List<String> keys = new ArrayList<String>();
//Drop vmInstance keys (if exists) and insert one with correct name
keys = new ArrayList<String>();
keys.add("fk_vm_instance__last_host_id");
keys.add("i_vm_instance__last_host_id");
DbUpgradeUtils.dropKeysIfExist(conn, "cloud.vm_instance", keys, true);
DbUpgradeUtils.dropKeysIfExist(conn, "cloud.vm_instance", keys, false);
PreparedStatement pstmt = null;
try {
pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`vm_instance` ADD CONSTRAINT `fk_vm_instance__last_host_id` FOREIGN KEY (`last_host_id`) REFERENCES `host` (`id`)");
pstmt.executeUpdate();
pstmt.close();
} catch (SQLException e) {
throw new CloudRuntimeException("Unable to insert foreign key in vm_instance table ", e);
}finally {
try {
if (pstmt != null) {
pstmt.close();
}
} catch (SQLException e) {
}
}
}
private void changeEngine(Connection conn) {
s_logger.debug("Fixing engine and row_format for op_lock and op_nwgrp_work tables");
PreparedStatement pstmt = null;
try {
pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`op_lock` ENGINE=MEMORY, ROW_FORMAT = FIXED");
pstmt.executeUpdate();
pstmt.close();
} catch (Exception e) {
s_logger.debug("Failed do execute the statement " + pstmt + ", moving on as it's not critical fix");
} finally {
try {
if (pstmt != null) {
pstmt.close();
}
} catch (SQLException e) {
}
}
try {
pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`op_nwgrp_work` ENGINE=MEMORY, ROW_FORMAT = FIXED");
pstmt.executeUpdate();
pstmt.close();
} catch (Exception e) {
s_logger.debug("Failed do execute the statement " + pstmt + ", moving on as it's not critical fix");
} finally {
try {
if (pstmt != null) {
pstmt.close();
}
} catch (SQLException e) {
}
}
}
}