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// 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
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// KIND, either express or implied. See the License for the
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package org.apache.cloudstack.internallbvmmgr;
import java.lang.reflect.Field;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Inject;
import org.apache.cloudstack.lb.ApplicationLoadBalancerRuleVO;
import org.apache.cloudstack.network.lb.InternalLoadBalancerVMManager;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Matchers;
import org.mockito.Mockito;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.manager.Commands;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.exception.AgentUnavailableException;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.OperationTimedoutException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.network.NetworkModel;
import com.cloud.network.dao.NetworkVO;
import com.cloud.network.lb.LoadBalancingRule;
import com.cloud.network.router.VirtualRouter;
import com.cloud.network.router.VirtualRouter.Role;
import com.cloud.network.rules.FirewallRule;
import com.cloud.network.rules.LoadBalancerContainer.Scheme;
import com.cloud.offerings.NetworkOfferingVO;
import com.cloud.offerings.dao.NetworkOfferingDao;
import com.cloud.service.ServiceOfferingVO;
import com.cloud.service.dao.ServiceOfferingDao;
import com.cloud.storage.Storage;
import com.cloud.storage.Storage.ProvisioningType;
import com.cloud.user.AccountManager;
import com.cloud.user.AccountVO;
import com.cloud.utils.component.ComponentContext;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.net.Ip;
import com.cloud.vm.DomainRouterVO;
import com.cloud.vm.NicProfile;
import com.cloud.vm.NicVO;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachine.State;
import com.cloud.vm.VirtualMachineManager;
import com.cloud.vm.dao.DomainRouterDao;
import com.cloud.vm.dao.NicDao;
import junit.framework.TestCase;
/**
* Set of unittests for InternalLoadBalancerVMManager
*
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:/lb_mgr.xml")
public class InternalLBVMManagerTest extends TestCase {
//The interface to test
@Inject
InternalLoadBalancerVMManager _lbVmMgr;
//Mocked interfaces
@Inject
AccountManager _accountMgr;
@Inject
ServiceOfferingDao _svcOffDao;
@Inject
DomainRouterDao _domainRouterDao;
@Inject
NicDao _nicDao;
@Inject
AgentManager _agentMgr;
@Inject
NetworkModel _ntwkModel;
@Inject
VirtualMachineManager _itMgr;
@Inject
DataCenterDao _dcDao;
@Inject
NetworkOfferingDao _offeringDao;
long validNtwkId = 1L;
long invalidNtwkId = 2L;
String requestedIp = "10.1.1.1";
DomainRouterVO vm = null;
NetworkVO ntwk = createNetwork();
long validVmId = 1L;
long invalidVmId = 2L;
@Override
@Before
public void setUp() {
//mock system offering creation as it's used by configure() method called by initComponentsLifeCycle
Mockito.when(_accountMgr.getAccount(1L)).thenReturn(new AccountVO());
ServiceOfferingVO off = new ServiceOfferingVO("alena", 1, 1,
1, 1, 1, false, "alena", Storage.ProvisioningType.THIN, false, false, null, false, VirtualMachine.Type.InternalLoadBalancerVm, false);
off = setId(off, 1);
List<ServiceOfferingVO> list = new ArrayList<ServiceOfferingVO>();
list.add(off);
list.add(off);
Mockito.when(_svcOffDao.createSystemServiceOfferings(Matchers.anyString(), Matchers.anyString(), Matchers.anyInt(), Matchers.anyInt(), Matchers.anyInt(),
Matchers.anyInt(), Matchers.anyInt(), Matchers.anyBoolean(), Matchers.anyString(), Matchers.any(ProvisioningType.class), Matchers.anyBoolean(),
Matchers.anyString(), Matchers.anyBoolean(), Matchers.any(VirtualMachine.Type.class), Matchers.anyBoolean())).thenReturn(list);
ComponentContext.initComponentsLifeCycle();
vm =
new DomainRouterVO(1L, off.getId(), 1, "alena", 1, HypervisorType.XenServer, 1, 1, 1, 1, false, null, false, false,
VirtualMachine.Type.InternalLoadBalancerVm, null);
vm.setRole(Role.INTERNAL_LB_VM);
vm = setId(vm, 1);
vm.setPrivateIpAddress("10.2.2.2");
final NicVO nic = new NicVO("somereserver", 1L, 1L, VirtualMachine.Type.InternalLoadBalancerVm);
nic.setIPv4Address(requestedIp);
final List<DomainRouterVO> emptyList = new ArrayList<DomainRouterVO>();
final List<DomainRouterVO> nonEmptyList = new ArrayList<DomainRouterVO>();
nonEmptyList.add(vm);
Mockito.when(_domainRouterDao.listByNetworkAndRole(invalidNtwkId, Role.INTERNAL_LB_VM)).thenReturn(emptyList);
Mockito.when(_domainRouterDao.listByNetworkAndRole(validNtwkId, Role.INTERNAL_LB_VM)).thenReturn(nonEmptyList);
Mockito.when(_nicDao.findByNtwkIdAndInstanceId(validNtwkId, 1)).thenReturn(nic);
Mockito.when(_nicDao.findByNtwkIdAndInstanceId(invalidNtwkId, 1)).thenReturn(nic);
final Answer answer = new Answer(null, true, null);
final Answer[] answers = new Answer[1];
answers[0] = answer;
try {
Mockito.when(_agentMgr.send(Matchers.anyLong(), Matchers.any(Commands.class))).thenReturn(answers);
} catch (final AgentUnavailableException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (final OperationTimedoutException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
createNetwork();
Mockito.when(_ntwkModel.getNetwork(Matchers.anyLong())).thenReturn(ntwk);
Mockito.when(_itMgr.toNicTO(Matchers.any(NicProfile.class), Matchers.any(HypervisorType.class))).thenReturn(null);
Mockito.when(_domainRouterDao.findById(Matchers.anyLong())).thenReturn(vm);
final DataCenterVO dc = new DataCenterVO(1L, null, null, null, null, null, null, null, null, null, NetworkType.Advanced, null, null);
Mockito.when(_dcDao.findById(Matchers.anyLong())).thenReturn(dc);
final NetworkOfferingVO networkOfferingVO = new NetworkOfferingVO();
networkOfferingVO.setConcurrentConnections(500);
Mockito.when(_offeringDao.findById(Matchers.anyLong())).thenReturn(networkOfferingVO);
Mockito.when(_domainRouterDao.findById(validVmId)).thenReturn(vm);
Mockito.when(_domainRouterDao.findById(invalidVmId)).thenReturn(null);
}
protected NetworkVO createNetwork() {
ntwk = new NetworkVO();
try {
ntwk.setBroadcastUri(new URI("somevlan"));
} catch (final URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ntwk = setId(ntwk, 1L);
return ntwk;
}
//TESTS FOR findInternalLbVms METHOD
@Test
public void findInternalLbVmsForInvalidNetwork() {
final List<? extends VirtualRouter> vms = _lbVmMgr.findInternalLbVms(invalidNtwkId, new Ip(requestedIp));
assertTrue("Non empty vm list was returned for invalid network id", vms.isEmpty());
}
@Test
public void findInternalLbVmsForValidNetwork() {
final List<? extends VirtualRouter> vms = _lbVmMgr.findInternalLbVms(validNtwkId, new Ip(requestedIp));
assertTrue("Empty vm list was returned for valid network id", !vms.isEmpty());
}
//TESTS FOR applyLoadBalancingRules METHOD
@Test
public void applyEmptyRulesSet() {
boolean result = false;
final List<DomainRouterVO> vms = new ArrayList<DomainRouterVO>();
try {
result = _lbVmMgr.applyLoadBalancingRules(new NetworkVO(), new ArrayList<LoadBalancingRule>(), vms);
} catch (final ResourceUnavailableException e) {
} finally {
assertTrue("Got failure when tried to apply empty list of rules", result);
}
}
@Test(expected = CloudRuntimeException.class)
public void applyWithEmptyVmsSet() {
boolean result = false;
final List<DomainRouterVO> vms = new ArrayList<DomainRouterVO>();
final List<LoadBalancingRule> rules = new ArrayList<LoadBalancingRule>();
final LoadBalancingRule rule = new LoadBalancingRule(null, null, null, null, null, null, null);
rules.add(rule);
try {
result = _lbVmMgr.applyLoadBalancingRules(new NetworkVO(), rules, vms);
} catch (final ResourceUnavailableException e) {
} finally {
assertFalse("Got success when tried to apply with the empty internal lb vm list", result);
}
}
@Test(expected = ResourceUnavailableException.class)
public void applyToVmInStartingState() throws ResourceUnavailableException {
boolean result = false;
final List<DomainRouterVO> vms = new ArrayList<DomainRouterVO>();
vm.setState(State.Starting);
vms.add(vm);
final List<LoadBalancingRule> rules = new ArrayList<LoadBalancingRule>();
final LoadBalancingRule rule = new LoadBalancingRule(null, null, null, null, null, null, null);
rules.add(rule);
try {
result = _lbVmMgr.applyLoadBalancingRules(new NetworkVO(), rules, vms);
} finally {
assertFalse("Rules were applied to vm in Starting state", result);
}
}
@Test
public void applyToVmInStoppedState() throws ResourceUnavailableException {
boolean result = false;
final List<DomainRouterVO> vms = new ArrayList<DomainRouterVO>();
vm.setState(State.Stopped);
vms.add(vm);
final List<LoadBalancingRule> rules = new ArrayList<LoadBalancingRule>();
final LoadBalancingRule rule = new LoadBalancingRule(null, null, null, null, null, null, null);
rules.add(rule);
try {
result = _lbVmMgr.applyLoadBalancingRules(new NetworkVO(), rules, vms);
} finally {
assertTrue("Rules failed to apply to vm in Stopped state", result);
}
}
@Test
public void applyToVmInStoppingState() throws ResourceUnavailableException {
boolean result = false;
final List<DomainRouterVO> vms = new ArrayList<DomainRouterVO>();
vm.setState(State.Stopping);
vms.add(vm);
final List<LoadBalancingRule> rules = new ArrayList<LoadBalancingRule>();
final LoadBalancingRule rule = new LoadBalancingRule(null, null, null, null, null, null, null);
rules.add(rule);
try {
result = _lbVmMgr.applyLoadBalancingRules(new NetworkVO(), rules, vms);
} finally {
assertTrue("Rules failed to apply to vm in Stopping state", result);
}
}
@Test
public void applyToVmInRunningState() throws ResourceUnavailableException {
boolean result = false;
final List<DomainRouterVO> vms = new ArrayList<DomainRouterVO>();
vm.setState(State.Running);
vms.add(vm);
final List<LoadBalancingRule> rules = new ArrayList<LoadBalancingRule>();
final ApplicationLoadBalancerRuleVO lb = new ApplicationLoadBalancerRuleVO(null, null, 22, 22, "roundrobin", 1L, 1L, 1L, new Ip(requestedIp), 1L, Scheme.Internal);
lb.setState(FirewallRule.State.Add);
final LoadBalancingRule rule = new LoadBalancingRule(lb, null, null, null, new Ip(requestedIp));
rules.add(rule);
ntwk.getId();
try {
result = _lbVmMgr.applyLoadBalancingRules(ntwk, rules, vms);
} finally {
assertTrue("Rules failed to apply to vm in Running state", result);
}
}
//TESTS FOR destroyInternalLbVm METHOD
@Test
public void destroyNonExistingVM() throws ResourceUnavailableException, ConcurrentOperationException {
boolean result = false;
try {
result = _lbVmMgr.destroyInternalLbVm(invalidVmId, new AccountVO(), 1L);
} finally {
assertTrue("Failed to destroy non-existing vm", result);
}
}
@Test
public void destroyExistingVM() throws ResourceUnavailableException, ConcurrentOperationException {
boolean result = false;
try {
result = _lbVmMgr.destroyInternalLbVm(validVmId, new AccountVO(), 1L);
} finally {
assertTrue("Failed to destroy valid vm", result);
}
}
private static ServiceOfferingVO setId(final ServiceOfferingVO vo, final long id) {
final ServiceOfferingVO voToReturn = vo;
final Class<?> c = voToReturn.getClass();
try {
final Field f = c.getSuperclass().getDeclaredField("id");
f.setAccessible(true);
f.setLong(voToReturn, id);
} catch (final NoSuchFieldException ex) {
return null;
} catch (final IllegalAccessException ex) {
return null;
}
return voToReturn;
}
private static NetworkVO setId(final NetworkVO vo, final long id) {
final NetworkVO voToReturn = vo;
final Class<?> c = voToReturn.getClass();
try {
final Field f = c.getDeclaredField("id");
f.setAccessible(true);
f.setLong(voToReturn, id);
} catch (final NoSuchFieldException ex) {
return null;
} catch (final IllegalAccessException ex) {
return null;
}
return voToReturn;
}
private static DomainRouterVO setId(final DomainRouterVO vo, final long id) {
final DomainRouterVO voToReturn = vo;
final Class<?> c = voToReturn.getClass();
try {
final Field f = c.getSuperclass().getDeclaredField("id");
f.setAccessible(true);
f.setLong(voToReturn, id);
} catch (final NoSuchFieldException ex) {
return null;
} catch (final IllegalAccessException ex) {
return null;
}
return voToReturn;
}
}