Java tutorial
// 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.UnsupportedEncodingException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Types; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import com.cloud.utils.crypt.DBEncryptionUtil; import com.cloud.utils.exception.CloudRuntimeException; import com.cloud.utils.script.Script; public class Upgrade421to430 implements DbUpgrade { final static Logger s_logger = Logger.getLogger(Upgrade421to430.class); @Override public String[] getUpgradableVersionRange() { return new String[] { "4.2.1", "4.3.0" }; } @Override public String getUpgradedVersion() { return "4.3.0"; } @Override public boolean supportsRollingUpgrade() { return false; } @Override public File[] getPrepareScripts() { String script = Script.findScript("", "db/schema-421to430.sql"); if (script == null) { throw new CloudRuntimeException("Unable to find db/schema-421to430.sql"); } return new File[] { new File(script) }; } @Override public void performDataMigration(Connection conn) { encryptLdapConfigParams(conn); encryptImageStoreDetails(conn); upgradeMemoryOfSsvmOffering(conn); } private void upgradeMemoryOfSsvmOffering(Connection conn) { int newRamSize = 512; //512MB long serviceOfferingId = 0; /** * Pick first row in service_offering table which has system vm type as secondary storage vm. User added offerings would start from 2nd row onwards. * We should not update/modify any user-defined offering. */ try (PreparedStatement selectPstmt = conn .prepareStatement("SELECT id FROM `cloud`.`service_offering` WHERE vm_type='secondarystoragevm'"); PreparedStatement updatePstmt = conn .prepareStatement("UPDATE `cloud`.`service_offering` SET ram_size=? WHERE id=?"); ResultSet selectResultSet = selectPstmt.executeQuery();) { if (selectResultSet.next()) { serviceOfferingId = selectResultSet.getLong("id"); } updatePstmt.setInt(1, newRamSize); updatePstmt.setLong(2, serviceOfferingId); updatePstmt.executeUpdate(); } catch (SQLException e) { throw new CloudRuntimeException( "Unable to upgrade ram_size of service offering for secondary storage vm. ", e); } s_logger.debug("Done upgrading RAM for service offering of Secondary Storage VM to " + newRamSize); } private void encryptLdapConfigParams(Connection conn) { String[][] ldapParams = { { "ldap.user.object", "inetOrgPerson", "Sets the object type of users within LDAP" }, { "ldap.username.attribute", "uid", "Sets the username attribute used within LDAP" }, { "ldap.email.attribute", "mail", "Sets the email attribute used within LDAP" }, { "ldap.firstname.attribute", "givenname", "Sets the firstname attribute used within LDAP" }, { "ldap.lastname.attribute", "sn", "Sets the lastname attribute used within LDAP" }, { "ldap.group.object", "groupOfUniqueNames", "Sets the object type of groups within LDAP" }, { "ldap.group.user.uniquemember", "uniquemember", "Sets the attribute for uniquemembers within a group" } }; String insertSql = "INSERT INTO `cloud`.`configuration`(category, instance, component, name, value, description) VALUES ('Secure', 'DEFAULT', 'management-server', ?, ?, " + "?) ON DUPLICATE KEY UPDATE category='Secure';"; try (PreparedStatement pstmt_insert_ldap_parameters = conn.prepareStatement(insertSql);) { for (String[] ldapParam : ldapParams) { String name = ldapParam[0]; String value = ldapParam[1]; String desc = ldapParam[2]; String encryptedValue = DBEncryptionUtil.encrypt(value); pstmt_insert_ldap_parameters.setString(1, name); pstmt_insert_ldap_parameters.setBytes(2, encryptedValue.getBytes("UTF-8")); pstmt_insert_ldap_parameters.setString(3, desc); pstmt_insert_ldap_parameters.executeUpdate(); } /** * if encrypted, decrypt the ldap hostname and port and then update as they are not encrypted now. */ try (PreparedStatement pstmt_ldap_hostname = conn.prepareStatement( "SELECT conf.value FROM `cloud`.`configuration` conf WHERE conf.name='ldap.hostname'"); ResultSet resultSet_ldap_hostname = pstmt_ldap_hostname.executeQuery();) { String hostname = null; String port; int portNumber = 0; if (resultSet_ldap_hostname.next()) { hostname = DBEncryptionUtil.decrypt(resultSet_ldap_hostname.getString(1)); } try (PreparedStatement pstmt_ldap_port = conn.prepareStatement( "SELECT conf.value FROM `cloud`.`configuration` conf WHERE conf.name='ldap.port'"); ResultSet resultSet_ldap_port = pstmt_ldap_port.executeQuery();) { if (resultSet_ldap_port.next()) { port = DBEncryptionUtil.decrypt(resultSet_ldap_port.getString(1)); if (StringUtils.isNotBlank(port)) { portNumber = Integer.parseInt(port); } } if (StringUtils.isNotBlank(hostname)) { try (PreparedStatement pstmt_insert_ldap_hostname_port = conn.prepareStatement( "INSERT INTO `cloud`.`ldap_configuration`(hostname, port) VALUES(?,?)");) { pstmt_insert_ldap_hostname_port.setString(1, hostname); if (portNumber != 0) { pstmt_insert_ldap_hostname_port.setInt(2, portNumber); } else { pstmt_insert_ldap_hostname_port.setNull(2, Types.INTEGER); } pstmt_insert_ldap_hostname_port.executeUpdate(); } } } } } catch (SQLException e) { throw new CloudRuntimeException("Unable to insert ldap configuration values ", e); } catch (UnsupportedEncodingException e) { throw new CloudRuntimeException("Unable to insert ldap configuration values ", e); } s_logger.debug("Done encrypting ldap Config values"); } private void encryptImageStoreDetails(Connection conn) { s_logger.debug("Encrypting image store details"); try (PreparedStatement selectPstmt = conn.prepareStatement( "select id, value from `cloud`.`image_store_details` where name = 'key' or name = 'secretkey'"); ResultSet rs = selectPstmt.executeQuery();) { while (rs.next()) { long id = rs.getLong(1); String value = rs.getString(2); if (value == null) { continue; } String encryptedValue = DBEncryptionUtil.encrypt(value); try (PreparedStatement updatePstmt = conn .prepareStatement("update `cloud`.`image_store_details` set value=? where id=?");) { updatePstmt.setBytes(1, encryptedValue.getBytes("UTF-8")); updatePstmt.setLong(2, id); updatePstmt.executeUpdate(); } } } catch (SQLException e) { throw new CloudRuntimeException("Unable encrypt image_store_details values ", e); } catch (UnsupportedEncodingException e) { throw new CloudRuntimeException("Unable encrypt image_store_details values ", e); } s_logger.debug("Done encrypting image_store_details"); } @Override public File[] getCleanupScripts() { String script = Script.findScript("", "db/schema-421to430-cleanup.sql"); if (script == null) { throw new CloudRuntimeException("Unable to find db/schema-421to430-cleanup.sql"); } return new File[] { new File(script) }; } }