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Preparation for 2.1 to 2.2 DB migration: create instance group object if "vm_instance.group" field is not empty for user vm

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alena 2010-09-15 14:06:55 -07:00
parent 012f097885
commit 8525992d41
1 changed files with 52 additions and 0 deletions
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52
server/src/com/cloud/migration/Db21to22MigrationUtil.java
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@ -1,6 +1,8 @@
package com.cloud.migration;
import java.io.File;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.List;
import org.apache.log4j.xml.DOMConfigurator;
@ -16,16 +18,25 @@ import com.cloud.utils.PropertiesUtil;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.Transaction;
import com.cloud.vm.InstanceGroupVMMapVO;
import com.cloud.vm.InstanceGroupVO;
import com.cloud.vm.dao.InstanceGroupDao;
import com.cloud.vm.dao.InstanceGroupVMMapDao;
public class Db21to22MigrationUtil {
private AccountDao _accountDao;
private DomainDao _domainDao;
private ResourceCountDao _resourceCountDao;
private InstanceGroupDao _vmGroupDao;
private InstanceGroupVMMapDao _groupVMMapDao;
private void doMigration() {
setupComponents();
migrateResourceCounts();
setupInstanceGroups();
System.out.println("Migration done");
}
@ -62,7 +73,48 @@ public class Db21to22MigrationUtil {
_accountDao = locator.getDao(AccountDao.class);
_domainDao = locator.getDao(DomainDao.class);
_resourceCountDao = locator.getDao(ResourceCountDao.class);
_vmGroupDao = locator.getDao(InstanceGroupDao.class);
_groupVMMapDao = locator.getDao(InstanceGroupVMMapDao.class);
}
private void setupInstanceGroups() {
System.out.println("setting up vm instance groups");
//Search for all the vms that have not null groups
long vmId = 0;
long accountId = 0;
String groupName;
Transaction txn = Transaction.open(Transaction.CLOUD_DB);
txn.start();
try {
String request = "SELECT vm.id, uservm.account_id, vm.group from vm_instance vm, user_vm uservm where vm.group is not null and vm.removed is null and vm.id=uservm.id order by id";
PreparedStatement statement = txn.prepareAutoCloseStatement(request);
ResultSet result = statement.executeQuery();
while (result.next()) {
vmId = result.getLong(1);
accountId = result.getLong(2);
groupName = result.getString(3);
InstanceGroupVO group = _vmGroupDao.findByAccountAndName(vmId, groupName);
//Create vm group if the group doesn't exist for this account
if (group == null) {
group = new InstanceGroupVO(groupName, accountId);
group = _vmGroupDao.persist(group);
}
if (group != null) {
InstanceGroupVMMapVO groupVmMapVO = new InstanceGroupVMMapVO(group.getId(), vmId);
_groupVMMapDao.persist(groupVmMapVO);
}
}
statement.close();
txn.commit();
} catch (Exception e) {
System.out.println("Unhandled exception: " + e);
} finally {
txn.close();
}
}
public static void main(String[] args) {
File file = PropertiesUtil.findConfigFile("log4j-cloud.xml");