package org.zstack.test.storage.snapshot;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
import org.zstack.core.cloudbus.CloudBus;
import org.zstack.core.componentloader.ComponentLoader;
import org.zstack.core.db.DatabaseFacade;
import org.zstack.header.identity.SessionInventory;
import org.zstack.header.storage.snapshot.*;
import org.zstack.header.vm.VmInstanceInventory;
import org.zstack.header.volume.VolumeVO;
import org.zstack.simulator.kvm.VolumeSnapshotKvmSimulator;
import org.zstack.storage.snapshot.VolumeSnapshotGlobalConfig;
import org.zstack.test.Api;
import org.zstack.test.ApiSenderException;
import org.zstack.test.DBUtil;
import org.zstack.test.WebBeanConstructor;
import org.zstack.test.deployer.Deployer;
import org.zstack.utils.Utils;
import org.zstack.utils.logging.CLogger;
/*
* 1. set max incremental snapshots to 2
* 2. take 4 snapshot from vm's root volume
*
* confirm there are two chain
*/
public class TestSnapshotOnKvm3 {
CLogger logger = Utils.getLogger(TestSnapshotOnKvm3.class);
Deployer deployer;
Api api;
ComponentLoader loader;
CloudBus bus;
DatabaseFacade dbf;
SessionInventory session;
VolumeSnapshotKvmSimulator snapshotKvmSimulator;
@Before
public void setUp() throws Exception {
DBUtil.reDeployDB();
WebBeanConstructor con = new WebBeanConstructor();
deployer = new Deployer("deployerXml/kvm/TestCreateVmOnKvm.xml", con);
deployer.addSpringConfig("KVMRelated.xml");
deployer.build();
api = deployer.getApi();
loader = deployer.getComponentLoader();
bus = loader.getComponent(CloudBus.class);
dbf = loader.getComponent(DatabaseFacade.class);
snapshotKvmSimulator = loader.getComponent(VolumeSnapshotKvmSimulator.class);
session = api.loginAsAdmin();
VolumeSnapshotGlobalConfig.MAX_INCREMENTAL_SNAPSHOT_NUM.updateValue(1);
}
private void fullSnapshot(VolumeSnapshotInventory inv, int distance, boolean isFullSnapshot) {
Assert.assertEquals(VolumeSnapshotState.Enabled.toString(), inv.getState());
Assert.assertEquals(VolumeSnapshotStatus.Ready.toString(), inv.getStatus());
VolumeVO vol = dbf.findByUuid(inv.getVolumeUuid(), VolumeVO.class);
VolumeSnapshotVO svo = dbf.findByUuid(inv.getUuid(), VolumeSnapshotVO.class);
Assert.assertNotNull(svo);
Assert.assertEquals(isFullSnapshot, svo.isFullSnapshot());
Assert.assertTrue(svo.isLatest());
Assert.assertNull(svo.getParentUuid());
Assert.assertEquals(distance, svo.getDistance());
Assert.assertEquals(vol.getPrimaryStorageUuid(), svo.getPrimaryStorageUuid());
Assert.assertNotNull(svo.getPrimaryStorageInstallPath());
VolumeSnapshotTreeVO cvo = dbf.findByUuid(svo.getTreeUuid(), VolumeSnapshotTreeVO.class);
Assert.assertNotNull(cvo);
Assert.assertTrue(cvo.isCurrent());
}
private void deltaSnapshot(VolumeSnapshotInventory inv, int distance) {
Assert.assertEquals(VolumeSnapshotState.Enabled.toString(), inv.getState());
Assert.assertEquals(VolumeSnapshotStatus.Ready.toString(), inv.getStatus());
VolumeVO vol = dbf.findByUuid(inv.getVolumeUuid(), VolumeVO.class);
VolumeSnapshotVO svo = dbf.findByUuid(inv.getUuid(), VolumeSnapshotVO.class);
Assert.assertNotNull(svo);
Assert.assertFalse(svo.isFullSnapshot());
Assert.assertTrue(svo.isLatest());
Assert.assertNotNull(svo.getParentUuid());
Assert.assertEquals(distance, svo.getDistance());
Assert.assertEquals(vol.getPrimaryStorageUuid(), svo.getPrimaryStorageUuid());
Assert.assertNotNull(svo.getPrimaryStorageInstallPath());
VolumeSnapshotTreeVO cvo = dbf.findByUuid(svo.getTreeUuid(), VolumeSnapshotTreeVO.class);
Assert.assertNotNull(cvo);
Assert.assertTrue(cvo.isCurrent());
Assert.assertEquals(svo.getTreeUuid(), cvo.getUuid());
}
@Test
public void test() throws ApiSenderException {
VmInstanceInventory vm = deployer.vms.get("TestVm");
String volUuid = vm.getRootVolumeUuid();
VolumeSnapshotInventory inv = api.createSnapshot(volUuid);
VolumeSnapshotInventory root1 = inv;
fullSnapshot(inv, 0, false);
inv = api.createSnapshot(volUuid);
deltaSnapshot(inv, 1);
inv = api.createSnapshot(volUuid);
VolumeSnapshotInventory root2 = inv;
fullSnapshot(inv, 0, true);
inv = api.createSnapshot(volUuid);
deltaSnapshot(inv, 1);
long count = dbf.count(VolumeSnapshotTreeVO.class);
Assert.assertEquals(2, count);
snapshotKvmSimulator.validate(root1);
snapshotKvmSimulator.validate(root2);
}
}