package org.zstack.test.storage.primary.local;
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.core.db.Q;
import org.zstack.header.host.HostInventory;
import org.zstack.header.identity.SessionInventory;
import org.zstack.header.message.AbstractBeforeDeliveryMessageInterceptor;
import org.zstack.header.message.Message;
import org.zstack.header.storage.primary.ImageCacheVO;
import org.zstack.header.storage.primary.PrimaryStorageInventory;
import org.zstack.header.storage.primary.PrimaryStorageOverProvisioningManager;
import org.zstack.header.vm.VmInstanceInventory;
import org.zstack.header.volume.VolumeInventory;
import org.zstack.header.volume.VolumeVO;
import org.zstack.simulator.kvm.KVMSimulatorConfig;
import org.zstack.storage.primary.local.*;
import org.zstack.storage.primary.local.LocalStorageKvmBackend.CreateEmptyVolumeCmd;
import org.zstack.storage.primary.local.LocalStorageKvmBackend.DeleteBitsCmd;
import org.zstack.storage.primary.local.LocalStorageSimulatorConfig.Capacity;
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.data.SizeUnit;
import org.zstack.utils.function.Function;
import org.zstack.utils.logging.CLogger;
import java.util.concurrent.TimeUnit;
/**
* 1. create a vm with local storage
* 2. set migration to fail
* 3. migrate the vm
* <p>
* confirm the migration failed
* confirm all resources are returned
*/
public class TestLocalStorage29 {
CLogger logger = Utils.getLogger(TestLocalStorage29.class);
Deployer deployer;
Api api;
ComponentLoader loader;
CloudBus bus;
DatabaseFacade dbf;
SessionInventory session;
KVMSimulatorConfig kconfig;
LocalStorageSimulatorConfig config;
PrimaryStorageOverProvisioningManager ratioMgr;
long totalSize = SizeUnit.GIGABYTE.toByte(100);
boolean directDeleteOnDst = false;
boolean directDeleteOnSrc = false;
@Before
public void setUp() throws Exception {
DBUtil.reDeployDB();
WebBeanConstructor con = new WebBeanConstructor();
deployer = new Deployer("deployerXml/localStorage/TestLocalStorage4.xml", con);
deployer.addSpringConfig("KVMRelated.xml");
deployer.addSpringConfig("localStorageSimulator.xml");
deployer.addSpringConfig("localStorage.xml");
deployer.load();
loader = deployer.getComponentLoader();
bus = loader.getComponent(CloudBus.class);
dbf = loader.getComponent(DatabaseFacade.class);
config = loader.getComponent(LocalStorageSimulatorConfig.class);
kconfig = loader.getComponent(KVMSimulatorConfig.class);
ratioMgr = loader.getComponent(PrimaryStorageOverProvisioningManager.class);
Capacity c = new Capacity();
c.total = totalSize;
c.avail = totalSize;
config.capacityMap.put("host1", c);
config.capacityMap.put("host2", c);
deployer.build();
api = deployer.getApi();
session = api.loginAsAdmin();
}
@Test
public void test() throws ApiSenderException, InterruptedException {
PrimaryStorageInventory local = deployer.primaryStorages.get("local");
final HostInventory host2 = deployer.hosts.get("host2");
final HostInventory host1 = deployer.hosts.get("host1");
VmInstanceInventory vm = deployer.vms.get("TestVm");
ImageCacheVO cacheVO = dbf.listAll(ImageCacheVO.class).get(0);
long imageSize = cacheVO.getSize();
long usedVolumeSize = 0;
for (VolumeVO vol : dbf.listAll(VolumeVO.class)) {
usedVolumeSize += ratioMgr.calculateByRatio(vol.getPrimaryStorageUuid(), vol.getSize());
}
bus.installBeforeDeliveryMessageInterceptor(new AbstractBeforeDeliveryMessageInterceptor() {
@Override
public void intercept(Message msg) {
// when rollback, the volumes are deleted on the dst host
LocalStorageDirectlyDeleteBitsMsg lmsg = (LocalStorageDirectlyDeleteBitsMsg) msg;
if (lmsg.getHostUuid().equals(host2.getUuid())) {
directDeleteOnDst = true;
}
// if the deleting happens on the src host, something goes wrong
if (lmsg.getHostUuid().equals(host1.getUuid())) {
directDeleteOnSrc = true;
}
}
}, LocalStorageDirectlyDeleteBitsMsg.class);
config.createEmptyVolumeCmds.clear();
config.deleteBitsCmds.clear();
kconfig.migrateVmSuccess = false;
boolean s = false;
try {
vm = api.migrateVmInstance(vm.getUuid(), host2.getUuid());
} catch (ApiSenderException e) {
s = true;
}
Assert.assertTrue(s);
TimeUnit.SECONDS.sleep(3);
Assert.assertTrue(directDeleteOnDst);
Assert.assertFalse(directDeleteOnSrc);
LocalStorageHostRefVO ref1 = new LocalStorageHostRefVOFinder().findByPrimaryKey(host1.getUuid(), local.getUuid());
Assert.assertEquals(ref1.getTotalCapacity() - imageSize - usedVolumeSize, ref1.getAvailableCapacity());
// even migration failed, the image is always downloaded to the image cache, which will not be rolled back
LocalStorageHostRefVO ref2 = new LocalStorageHostRefVOFinder().findByPrimaryKey(host2.getUuid(), local.getUuid());
Assert.assertEquals(ref2.getTotalCapacity() - imageSize, ref2.getAvailableCapacity());
Assert.assertEquals(vm.getAllVolumes().size(), config.createEmptyVolumeCmds.size());
for (final VolumeInventory vol : vm.getAllVolumes()) {
// volumes are created on dst host
CreateEmptyVolumeCmd cmd = CollectionUtils.find(config.createEmptyVolumeCmds, new Function<CreateEmptyVolumeCmd, CreateEmptyVolumeCmd>() {
@Override
public CreateEmptyVolumeCmd call(CreateEmptyVolumeCmd arg) {
return arg.getVolumeUuid().equals(vol.getUuid()) ? arg : null;
}
});
Assert.assertNotNull(cmd);
Assert.assertEquals(vol.getInstallPath(), cmd.getInstallUrl());
// volumes are deleted on dst host because of rollback
DeleteBitsCmd dcmd = CollectionUtils.find(config.deleteBitsCmds, new Function<DeleteBitsCmd, DeleteBitsCmd>() {
@Override
public DeleteBitsCmd call(DeleteBitsCmd arg) {
return arg.getPath().equals(vol.getInstallPath()) ? arg : null;
}
});
Assert.assertNotNull(dcmd);
// volumes are still on the src host
LocalStorageResourceRefVO r = Q.New(LocalStorageResourceRefVO.class)
.eq(LocalStorageResourceRefVO_.resourceUuid, vol.getUuid())
.find();
Assert.assertEquals(host1.getUuid(), r.getHostUuid());
}
}
}