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Issue 757: Remove old public IPs when associating elastic IP addresses

This commit is contained in:
Andrew Donald Kennedy 2011-12-21 10:45:37 +00:00
parent c63df55655
commit ddbf39e4a6
3 changed files with 26 additions and 23 deletions
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11
apis/ec2/src/main/java/org/jclouds/ec2/compute/functions/AddElasticIpsToNodemetadata.java
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@ -53,7 +53,11 @@ public class AddElasticIpsToNodemetadata implements Function<NodeMetadata, NodeM
this.cache = checkNotNull(cache, "cache");
}
//TODO: can there be multiple elastic ips on one instance?
// Note: Instances only have one Internet routable IP address. When an Elastic IP is associated to an
// instance, the instance's existing Public IP address mapping is removed and is no longer valid for this instance
// http://aws.amazon.com/articles/1346
// TODO can there be multiple elastic ips on one instance?
@Override
public NodeMetadata apply(NodeMetadata arg0) {
String[] parts = AWSUtils.parseHandle(arg0.getId());
@ -61,8 +65,9 @@ public class AddElasticIpsToNodemetadata implements Function<NodeMetadata, NodeM
String instanceId = parts[1];
try {
String publicIp = cache.get(new RegionAndName(region, instanceId));
return NodeMetadataBuilder.fromNodeMetadata(arg0).publicAddresses(
ImmutableSet.<String> builder().addAll(arg0.getPublicAddresses()).add(publicIp).build()).build();
// Replace existing public addresses with elastic IP (see note above)
return NodeMetadataBuilder.fromNodeMetadata(arg0)
.publicAddresses(ImmutableSet.<String> builder().add(publicIp).build()).build();
} catch (CacheLoader.InvalidCacheLoadException e) {
// no ip was found
return arg0;

34
apis/ec2/src/test/java/org/jclouds/ec2/compute/EC2ComputeServiceLiveTest.java
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@ -18,10 +18,6 @@
*/
package org.jclouds.ec2.compute;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
@ -69,6 +65,8 @@ import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import com.google.inject.Module;
import static org.testng.Assert.*;
/**
*
* @author Adrian Cole
@ -189,30 +187,31 @@ public class EC2ComputeServiceLiveTest extends BaseComputeServiceLiveTest {
// create a node
Set<? extends NodeMetadata> nodes =
context.getComputeService().createNodesInGroup(group, 1);
assertTrue(nodes.size() == 1);
assertEquals(nodes.size(), 1, "One node should have been created");
// Get public IPs (on EC2 we should get 2, on Nova only 1)
// Get public IPs (We should get 1)
NodeMetadata node = Iterables.get(nodes, 0);
String region = node.getLocation().getParent().getId();
Set<String> publicIps = node.getPublicAddresses();
assertFalse(Iterables.isEmpty(publicIps), String.format("no public addresses attached to node %s", node));
assertEquals(Iterables.size(publicIps), 1);
// Check that all ips are public and port 22 is accessible
for (String ip: publicIps) {
assertFalse(InetAddresses2.isPrivateIPAddress(ip));
IPSocket socket = new IPSocket(ip, 22);
assert socketTester.apply(socket) : String.format("failed to open socket %s on node %s", socket,
node);
}
// Check that the address is public and port 22 is accessible
String ip = Iterables.getOnlyElement(publicIps);
assertFalse(InetAddresses2.isPrivateIPAddress(ip));
IPSocket socket = new IPSocket(ip, 22);
assertTrue(socketTester.apply(socket), String.format("failed to open socket %s on node %s", socket, node));
// check that there is an elastic ip correlating to it
EC2Client ec2 = EC2Client.class.cast(context.getProviderSpecificContext().getApi());
Set<PublicIpInstanceIdPair> ipidpairs =
ec2.getElasticIPAddressServices().describeAddressesInRegion(region, publicIps.toArray(new String[0]));
assert (ipidpairs.size() == 1) : ipidpairs;
assertEquals(ipidpairs.size(), 1, String.format("there should only be one address pair (%s)",
Iterables.toString(ipidpairs)));
// check that the elastic ip is in node.publicAddresses
PublicIpInstanceIdPair ipidpair = Iterables.get(ipidpairs, 0);
assertTrue(ipidpair.getInstanceId() == node.getId());
assertEquals(ipidpair.getInstanceId(), node.getId());
// delete the node
context.getComputeService().destroyNodesMatching(NodePredicates.inGroup(group));
@ -220,11 +219,10 @@ public class EC2ComputeServiceLiveTest extends BaseComputeServiceLiveTest {
// check that the ip is deallocated
try {
ec2.getElasticIPAddressServices().describeAddressesInRegion(region, ipidpair.getPublicIp());
assert false;
fail("address has not been deallocated");
} catch (HttpResponseException e) {
// do nothing. .. it is expected to fail.
// do nothing ... this is expected to fail
}
} finally {
context.getComputeService().destroyNodesMatching(NodePredicates.inGroup(group));
if (context != null)

4
apis/ec2/src/test/java/org/jclouds/ec2/compute/functions/AddElasticIpsToNodemetadataTest.java
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@ -45,14 +45,14 @@ public class AddElasticIpsToNodemetadataTest {
.build();
@Test
public void testReturnsNodeWithExtraIpWhenFoundInCacheAndNodeHadAPublicIp() throws Exception {
public void testReturnsNodeWithElasticIpWhenFoundInCacheAndNodeHadAPublicIp() throws Exception {
RegionAndName key = new RegionAndName("us-east-1", node.getProviderId());
String val = "1.1.1.1";
LoadingCache<RegionAndName, String> cache = cacheOf(key, val);
AddElasticIpsToNodemetadata fn = new AddElasticIpsToNodemetadata(cache);
assertEquals(fn.apply(node).getPublicAddresses(), ImmutableSet.of("174.129.173.155", "1.1.1.1"));
assertEquals(fn.apply(node).getPublicAddresses(), ImmutableSet.of("1.1.1.1"));
}
@Test