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Issue 198: work around intermittent service bug by retrying when getVapp returns null on a vapp that exists in available resources

This commit is contained in:
Adrian Cole 2010-03-15 16:55:48 -07:00
parent 4a880d1f47
commit d0dd757cfb
1 changed files with 120 additions and 0 deletions
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vcloud/core/src/test/java/org/jclouds/vcloud/compute/config/VCloudComputeServiceContextModuleTest.java Normal file
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/**
*
* Copyright (C) 2009 Cloud Conscious, LLC. <info@cloudconscious.com>
*
* ====================================================================
* Licensed 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 "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*/
package org.jclouds.vcloud.compute.config;
import static org.easymock.EasyMock.expect;
import static org.easymock.classextension.EasyMock.createMock;
import static org.easymock.classextension.EasyMock.replay;
import static org.easymock.classextension.EasyMock.verify;
import java.io.IOException;
import java.net.InetAddress;
import java.net.URI;
import java.net.UnknownHostException;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import org.jclouds.compute.domain.ComputeMetadata;
import org.jclouds.compute.domain.NodeState;
import org.jclouds.vcloud.VCloudClient;
import org.jclouds.vcloud.compute.VCloudComputeClient;
import org.jclouds.vcloud.compute.config.VCloudComputeServiceContextModule.VCloudListNodesStrategy;
import org.jclouds.vcloud.domain.NamedResource;
import org.jclouds.vcloud.domain.ResourceAllocation;
import org.jclouds.vcloud.domain.ResourceType;
import org.jclouds.vcloud.domain.VApp;
import org.jclouds.vcloud.domain.VAppStatus;
import org.jclouds.vcloud.domain.VirtualSystem;
import org.jclouds.vcloud.domain.internal.NamedResourceImpl;
import org.jclouds.vcloud.domain.internal.VAppImpl;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
/**
* @author Adrian Cole
*/
@Test(groups = "unit", testName = "vcloud.VCloudComputeServiceContextModuleTest")
public class VCloudComputeServiceContextModuleTest {
private VApp newVApp() throws UnknownHostException {
ListMultimap<String, InetAddress> networkToAddresses = ImmutableListMultimap
.<String, InetAddress> of("Network 1", InetAddress.getLocalHost());
VirtualSystem system = new VirtualSystem(0, "Virtual Hardware Family", "SimpleVM", "vmx-07");
SortedSet<ResourceAllocation> resourceAllocations = ImmutableSortedSet
.<ResourceAllocation> naturalOrder().add(
new ResourceAllocation(1, "1 virtual CPU(s)", "Number of Virtual CPUs",
ResourceType.PROCESSOR, null, null, null, null, null, null, 1,
"hertz * 10^6"),
new ResourceAllocation(2, "512MB of memory", "Memory Size",
ResourceType.MEMORY, null, null, null, null, null, null, 512,
"byte * 2^20")).add(
new ResourceAllocation(3, "SCSI Controller 0", "SCSI Controller",
ResourceType.SCSI_CONTROLLER, "lsilogic", null, 0, null, null,
null, 1, null)).add(
new ResourceAllocation(9, "Hard Disk 1", null, ResourceType.DISK_DRIVE,
null, "20971520", null, 0, 3, null, 20971520, "byte * 2^20"))
.build();
return new VAppImpl("10", "10", URI
.create("https://vcloud.safesecureweb.com/api/v0.8/vapp/10"), VAppStatus.OFF,
new Long(20971520), null, networkToAddresses, null, system, resourceAllocations);
}
// consistency delay specifically in terremark beta where a vapp is present for listing, but not
// yet available for get vapp command.
@Test
public void testRetryOnVAppNotFoundForGetVAppEvenWhenPresentInAvailableResources()
throws ExecutionException, InterruptedException, TimeoutException, IOException {
VCloudClient client = createMock(VCloudClient.class);
VCloudComputeClient computeClient = createMock(VCloudComputeClient.class);
Map<VAppStatus, NodeState> vAppStatusToNodeState = Maps.newHashMap();
VApp vApp = newVApp();
expect(client.getVApp("10")).andThrow(new NullPointerException());
expect(client.getVApp("10")).andThrow(new NullPointerException());
expect(client.getVApp("10")).andReturn(vApp);
expect(computeClient.getPublicAddresses("10")).andReturn(Sets.<InetAddress> newHashSet());
expect(computeClient.getPrivateAddresses("10")).andReturn(
Sets.newHashSet(InetAddress.getLocalHost()));
replay(client);
replay(computeClient);
VCloudListNodesStrategy strategy = new VCloudListNodesStrategy(client, computeClient,
vAppStatusToNodeState);
Set<ComputeMetadata> nodes = Sets.newHashSet();
NamedResource vdc = new NamedResourceImpl("1", null, null, null);
NamedResource resource = new NamedResourceImpl("10", null, null, null);
strategy.addVAppToSetRetryingIfNotYetPresent(nodes, vdc, resource);
verify(client);
verify(computeClient);
}
}