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.VolumeInventory;
import org.zstack.header.volume.VolumeType;
import org.zstack.header.volume.VolumeVO;
import org.zstack.kvm.KVMAgentCommands.MergeSnapshotCmd;
import org.zstack.simulator.kvm.KVMSimulatorConfig;
import org.zstack.simulator.kvm.VolumeSnapshotKvmSimulator;
import org.zstack.simulator.storage.primary.nfs.NfsPrimaryStorageSimulatorConfig;
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.CollectionUtils;
import org.zstack.utils.Utils;
import org.zstack.utils.function.Function;
import org.zstack.utils.logging.CLogger;
/*
* 1. take 4 snapshot from vm's data volume
* 2. delete snapshot 1
* 3. create a new snapshot
*
* confirm full rebase is executed and new snapshot create success
*/
public class TestSnapshotOnKvm39 {
CLogger logger = Utils.getLogger(TestSnapshotOnKvm39.class);
Deployer deployer;
Api api;
ComponentLoader loader;
CloudBus bus;
DatabaseFacade dbf;
SessionInventory session;
NfsPrimaryStorageSimulatorConfig nfsConfig;
KVMSimulatorConfig kvmConfig;
VolumeSnapshotKvmSimulator snapshotKvmSimulator;
@Before
public void setUp() throws Exception {
DBUtil.reDeployDB();
WebBeanConstructor con = new WebBeanConstructor();
deployer = new Deployer("deployerXml/kvm/TestTakeSnapshotOnKvm28.xml", con);
deployer.addSpringConfig("KVMRelated.xml");
deployer.build();
api = deployer.getApi();
loader = deployer.getComponentLoader();
bus = loader.getComponent(CloudBus.class);
dbf = loader.getComponent(DatabaseFacade.class);
nfsConfig = loader.getComponent(NfsPrimaryStorageSimulatorConfig.class);
kvmConfig = loader.getComponent(KVMSimulatorConfig.class);
snapshotKvmSimulator = loader.getComponent(VolumeSnapshotKvmSimulator.class);
session = api.loginAsAdmin();
}
private void fullSnapshot(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.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");
VolumeInventory dataVol = CollectionUtils.find(vm.getAllVolumes(), new Function<VolumeInventory, VolumeInventory>() {
@Override
public VolumeInventory call(VolumeInventory arg) {
if (arg.getType().equals(VolumeType.Data.toString())) {
return arg;
}
return null;
}
});
String volUuid = dataVol.getUuid();
VolumeSnapshotInventory inv = api.createSnapshot(volUuid);
VolumeSnapshotInventory root = inv;
fullSnapshot(inv, 0);
inv = api.createSnapshot(volUuid);
deltaSnapshot(inv, 1);
inv = api.createSnapshot(volUuid);
deltaSnapshot(inv, 2);
VolumeSnapshotInventory inv3 = api.createSnapshot(volUuid);
deltaSnapshot(inv3, 3);
api.deleteSnapshot(root.getUuid());
Assert.assertEquals(1, kvmConfig.mergeSnapshotCmds.size());
MergeSnapshotCmd cmd = kvmConfig.mergeSnapshotCmds.get(0);
Assert.assertTrue(cmd.isFullRebase());
snapshotKvmSimulator.validateNotExisting(root.getPrimaryStorageInstallPath());
root = api.createSnapshot(volUuid);
snapshotKvmSimulator.validate(root);
}
}