Issue 977:ec2 zones are not mapping to endpoints

apis/ec2/src/main/java/org/jclouds/ec2/config/EC2RestClientModule.java

@@ -40,11 +40,15 @@ import org.jclouds.ec2.services.SecurityGroupClient;
 import org.jclouds.ec2.services.WindowsAsyncClient;
 import org.jclouds.ec2.services.WindowsClient;
 import org.jclouds.ec2.suppliers.DescribeAvailabilityZonesInRegion;
-import org.jclouds.ec2.suppliers.DescribeRegionsForConfiguredRegions;
+import org.jclouds.ec2.suppliers.DescribeRegionsForRegionURIs;
 import org.jclouds.location.config.LocationModule;
 import org.jclouds.location.suppliers.RegionIdToURISupplier;
 import org.jclouds.location.suppliers.RegionIdToZoneIdsSupplier;
+import org.jclouds.location.suppliers.RegionIdsSupplier;
+import org.jclouds.location.suppliers.ZoneIdToURISupplier;
 import org.jclouds.location.suppliers.ZoneIdsSupplier;
+import org.jclouds.location.suppliers.derived.RegionIdsFromRegionIdToURIKeySet;
+import org.jclouds.location.suppliers.derived.ZoneIdToURIFromJoinOnRegionIdToURI;
 import org.jclouds.location.suppliers.derived.ZoneIdsFromRegionIdToZoneIdsValues;
 import org.jclouds.rest.ConfiguresRestClient;
 
@@ -81,13 +85,13 @@ public class EC2RestClientModule<S extends EC2Client, A extends EC2AsyncClient>
       super(syncClientType, asyncClientType, sync2Async);
    }
    
-
-
    @Override
    protected void installLocations() {
       install(new LocationModule());
       bind(RegionIdToZoneIdsSupplier.class).to(DescribeAvailabilityZonesInRegion.class).in(Scopes.SINGLETON);
-      bind(RegionIdToURISupplier.class).to(DescribeRegionsForConfiguredRegions.class).in(Scopes.SINGLETON);
+      bind(RegionIdToURISupplier.class).to(DescribeRegionsForRegionURIs.class).in(Scopes.SINGLETON);
       bind(ZoneIdsSupplier.class).to(ZoneIdsFromRegionIdToZoneIdsValues.class).in(Scopes.SINGLETON);
+      bind(RegionIdsSupplier.class).to(RegionIdsFromRegionIdToURIKeySet.class).in(Scopes.SINGLETON);
+      bind(ZoneIdToURISupplier.class).to(ZoneIdToURIFromJoinOnRegionIdToURI.class).in(Scopes.SINGLETON);
    }
 }

apis/ec2/src/main/java/org/jclouds/ec2/domain/Volume.java

@@ -97,7 +97,7 @@ public class Volume implements Comparable<Volume> {
       private String availabilityZone;
       private Status status;
       private Date createTime;
-      private Set<Attachment> attachments;
+      private Set<Attachment> attachments = ImmutableSet.of();
 
       public Builder region(String region) {
          this.region = region;

apis/ec2/src/main/java/org/jclouds/ec2/suppliers/DescribeRegionsForRegionURIs.java

@@ -20,7 +20,6 @@ package org.jclouds.ec2.suppliers;
 
 import java.net.URI;
 import java.util.Map;
-import java.util.Set;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -31,29 +30,23 @@ import org.jclouds.location.Region;
 import org.jclouds.location.suppliers.RegionIdToURISupplier;
 import org.jclouds.util.Suppliers2;
 
-import com.google.common.base.Predicates;
 import com.google.common.base.Supplier;
 import com.google.common.collect.Maps;
 
 @Singleton
-public class DescribeRegionsForConfiguredRegions implements RegionIdToURISupplier {
+public class DescribeRegionsForRegionURIs implements RegionIdToURISupplier {
    private final AvailabilityZoneAndRegionClient client;
-   private final Supplier<Set<String>> regions;
 
    @Inject
-   public DescribeRegionsForConfiguredRegions(EC2Client client, @Region Supplier<Set<String>> regions) {
+   public DescribeRegionsForRegionURIs(EC2Client client) {
       this.client = client.getAvailabilityZoneAndRegionServices();
-      this.regions = regions;
    }
 
    @Singleton
    @Region
    @Override
    public Map<String, Supplier<URI>> get() {
-      Set<String> regionWhiteList = regions.get();
       Map<String, URI> regionToUris = client.describeRegions();
-      if (regionWhiteList.size() > 0)
-         regionToUris = Maps.filterKeys(regionToUris, Predicates.in(regionWhiteList));
       return Maps.transformValues(regionToUris, Suppliers2.<URI> ofInstanceFunction());
    }
 }

apis/ec2/src/test/java/org/jclouds/ec2/config/EC2RestClientModuleExpectTest.java

@@ -30,6 +30,7 @@ import org.jclouds.http.HttpRequest;
 import org.jclouds.http.HttpResponse;
 import org.jclouds.location.Region;
 import org.jclouds.location.Zone;
+import org.jclouds.location.functions.RegionToEndpointOrProviderIfNull;
 import org.jclouds.location.functions.ZoneToEndpoint;
 import org.testng.annotations.Test;
 
@@ -127,9 +128,13 @@ public class EC2RestClientModuleExpectTest extends BaseEC2ExpectTest<Injector> {
    public void testZoneToEndpoint() {
       assertEquals(injector.getInstance(ZoneToEndpoint.class).apply("us-west-2a"),
             URI.create("https://ec2.us-west-2.amazonaws.com"));
-
    }
-
+   
+   public void testRegionToEndpointOrProviderIfNull() {
+      assertEquals(injector.getInstance(RegionToEndpointOrProviderIfNull.class).apply("us-west-2"),
+            URI.create("https://ec2.us-west-2.amazonaws.com"));
+   }
+   
    @Override
    public Injector createClient(Function<HttpRequest, HttpResponse> fn, Module module, Properties props) {
       return createInjector(fn, module, props);

apis/ec2/src/test/java/org/jclouds/ec2/internal/BaseEC2ExpectTest.java

@@ -0,0 +1,99 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds 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
+ * "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.ec2.internal;
+
+import java.net.URI;
+import java.util.Map;
+
+import javax.ws.rs.core.MediaType;
+
+import org.jclouds.aws.filters.FormSigner;
+import org.jclouds.date.DateService;
+import org.jclouds.date.internal.SimpleDateFormatDateService;
+import org.jclouds.ec2.EC2AsyncClient;
+import org.jclouds.ec2.EC2Client;
+import org.jclouds.ec2.config.EC2RestClientModule;
+import org.jclouds.http.HttpRequest;
+import org.jclouds.http.HttpResponse;
+import org.jclouds.rest.ConfiguresRestClient;
+import org.jclouds.rest.internal.BaseRestClientExpectTest;
+
+import com.google.common.base.Functions;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import com.google.common.collect.ImmutableMultimap;
+import com.google.common.collect.ImmutableSet;
+import com.google.inject.Module;
+import com.google.inject.Provides;
+
+public abstract class BaseEC2ExpectTest<T> extends BaseRestClientExpectTest<T> {
+   protected static final String CONSTANT_DATE = "2012-04-16T15:54:08.897Z";
+   
+   protected DateService dateService = new SimpleDateFormatDateService();
+   
+   protected HttpRequest describeRegionsRequest = HttpRequest
+         .builder()
+         .method("POST")
+         .endpoint(URI.create("https://ec2.us-east-1.amazonaws.com/"))
+         .headers(ImmutableMultimap.of("Host", "ec2.us-east-1.amazonaws.com"))
+         .payload(payloadFromStringWithContentType(
+                  "Action=DescribeRegions&Signature=s5OXKqaaeKhJW5FVrRntuMsUL4Ed5fjzgUWeukU96ko%3D&SignatureMethod=HmacSHA256&SignatureVersion=2&Timestamp=2012-04-16T15%3A54%3A08.897Z&Version=2010-06-15&AWSAccessKeyId=identity",
+                  MediaType.APPLICATION_FORM_URLENCODED)).build();
+   protected HttpResponse describeRegionsResponse = HttpResponse.builder().statusCode(200)
+         .payload(payloadFromResourceWithContentType("/regionEndpoints-all.xml", MediaType.APPLICATION_XML))
+         .build();
+   
+   protected final Map<HttpRequest, HttpResponse> describeAvailabilityZonesRequestResponse;
+
+   public BaseEC2ExpectTest() {
+      provider = "ec2";
+      FormSigner formSigner = createInjector(Functions.forMap(ImmutableMap.<HttpRequest, HttpResponse> of()),
+            createModule(), setupProperties()).getInstance(FormSigner.class);
+      Builder<HttpRequest, HttpResponse> builder = ImmutableMap.<HttpRequest, HttpResponse> builder();
+      for (String region : ImmutableSet.of("ap-northeast-1", "ap-southeast-1", "eu-west-1", "sa-east-1", "us-east-1", "us-west-1", "us-west-2")){
+         builder.put(
+               formSigner.filter(HttpRequest.builder()
+                          .method("POST")
+                          .endpoint(URI.create("https://ec2." + region + ".amazonaws.com/"))
+                          .headers(ImmutableMultimap.of("Host", "ec2." + region + ".amazonaws.com"))
+                          .payload(payloadFromStringWithContentType(
+                                 "Action=DescribeAvailabilityZones&Version=2010-06-15",
+                                 MediaType.APPLICATION_FORM_URLENCODED)).build()),
+               HttpResponse.builder().statusCode(200)
+                           .payload(payloadFromResourceWithContentType(
+                                 "/availabilityZones-" + region + ".xml", MediaType.APPLICATION_XML)).build());               
+
+      }
+      describeAvailabilityZonesRequestResponse = builder.build();
+   }
+
+   @ConfiguresRestClient
+   private static final class TestEC2RestClientModule extends EC2RestClientModule<EC2Client, EC2AsyncClient> {
+      @Override
+      @Provides
+      protected String provideTimeStamp(DateService dateService) {
+         return CONSTANT_DATE;
+      }
+   }
+
+   @Override
+   protected Module createModule() {
+      return new TestEC2RestClientModule();
+   }
+}

apis/ec2/src/test/java/org/jclouds/ec2/services/EC2ElasticBlockStoreClientExpectTest.java

@@ -0,0 +1,71 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds 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
+ * "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.ec2.services;
+
+import static org.testng.Assert.assertEquals;
+
+import java.net.URI;
+
+import org.jclouds.ec2.EC2Client;
+import org.jclouds.ec2.domain.Volume;
+import org.jclouds.ec2.internal.BaseEC2ExpectTest;
+import org.jclouds.http.HttpRequest;
+import org.jclouds.http.HttpResponse;
+import org.testng.annotations.Test;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import com.google.common.collect.ImmutableMultimap;
+
+/**
+ * @author Adrian Cole
+ */
+@Test(groups = "unit", testName = "EC2ElasticBlockStoreClientExpectTest")
+public class EC2ElasticBlockStoreClientExpectTest extends BaseEC2ExpectTest<EC2Client> {
+
+   public void testCreateVolumeInAvailabilityZone() {
+      Builder<HttpRequest, HttpResponse> builder = ImmutableMap.<HttpRequest, HttpResponse>builder();
+      builder.put(describeRegionsRequest, describeRegionsResponse);
+      builder.putAll(describeAvailabilityZonesRequestResponse);
+      builder.put(
+            HttpRequest.builder()
+                       .method("POST")
+                       .endpoint(URI.create("https://ec2.us-east-1.amazonaws.com/"))
+                       .headers(ImmutableMultimap.of("Host", "ec2.us-east-1.amazonaws.com"))
+                       .payload(payloadFromStringWithContentType("Action=CreateVolume&AvailabilityZone=us-east-1a&Signature=FB5hTZHKSAuiygoafIdJh1EnfTu0ogC2VfRQOar85mg%3D&SignatureMethod=HmacSHA256&SignatureVersion=2&Size=4&Timestamp=2012-04-16T15%3A54%3A08.897Z&Version=2010-06-15&AWSAccessKeyId=identity", "application/x-www-form-urlencoded")).build(),
+            HttpResponse.builder()
+                        .statusCode(200)
+                        .payload(payloadFromResource("/created_volume.xml")).build());
+      
+      ElasticBlockStoreClient client = requestsSendResponses(builder.build()).getElasticBlockStoreServices();
+      Volume expected =  Volume
+            .builder()
+            .id("vol-2a21e543")
+            .status(Volume.Status.CREATING)
+            .availabilityZone("us-east-1a")
+            .region("us-east-1")
+            .id("vol-2a21e543")
+            .size(1)
+            .createTime(dateService.iso8601DateParse("2009-12-28T05:42:53.000Z"))
+            .build();
+
+      assertEquals(client.createVolumeInAvailabilityZone("us-east-1a", 4), expected);
+   }
+
+}

apis/ec2/src/test/resources/availabilityZones-ap-northeast-1.xml

@@ -0,0 +1,17 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>24251909-7fb6-4080-8ca3-fbb5a1ddb02d</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>ap-northeast-1a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>ap-northeast-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>ap-northeast-1b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>ap-northeast-1</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/availabilityZones-ap-southeast-1.xml

@@ -0,0 +1,17 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>22c5332d-c331-4310-b695-e21e76c3fdb0</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>ap-southeast-1a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>ap-southeast-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>ap-southeast-1b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>ap-southeast-1</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/availabilityZones-eu-west-1.xml

@@ -0,0 +1,23 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>386c8215-6ec8-4495-aaa6-8c4175688093</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>eu-west-1a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>eu-west-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>eu-west-1b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>eu-west-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>eu-west-1c</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>eu-west-1</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/availabilityZones-sa-east-1.xml

@@ -0,0 +1,17 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>d2e09bd5-b2ec-4c6b-aac9-6bf1fa217cb5</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>sa-east-1a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>sa-east-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>sa-east-1b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>sa-east-1</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/availabilityZones-us-east-1.xml

@@ -0,0 +1,35 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>ed825abf-edbb-4677-83d5-0fbd86ce5a5d</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>us-east-1a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-east-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-east-1b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-east-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-east-1c</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-east-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-east-1d</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-east-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-east-1e</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-east-1</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/availabilityZones-us-west-1.xml

@@ -0,0 +1,23 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>dbfb2a5f-ce75-49fb-846b-e2cf2fc5cdbb</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>us-west-1a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-west-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-west-1b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-west-1</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-west-1c</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-west-1</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/availabilityZones-us-west-2.xml

@@ -0,0 +1,23 @@
+<DescribeAvailabilityZonesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>e40c2bc4-7231-4df1-a604-202bb8333332</requestId>
+    <availabilityZoneInfo>
+        <item>
+            <zoneName>us-west-2a</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-west-2</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-west-2b</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-west-2</regionName>
+            <messageSet/>
+        </item>
+        <item>
+            <zoneName>us-west-2c</zoneName>
+            <zoneState>available</zoneState>
+            <regionName>us-west-2</regionName>
+            <messageSet/>
+        </item>
+    </availabilityZoneInfo>
+</DescribeAvailabilityZonesResponse>

apis/ec2/src/test/resources/regionEndpoints-all.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<DescribeRegionsResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>8392a998-c7bb-41fc-be15-045f528d7627</requestId>
+    <regionInfo>
+        <item>
+            <regionName>eu-west-1</regionName>
+            <regionEndpoint>ec2.eu-west-1.amazonaws.com</regionEndpoint>
+        </item>
+        <item>
+            <regionName>sa-east-1</regionName>
+            <regionEndpoint>ec2.sa-east-1.amazonaws.com</regionEndpoint>
+        </item>
+        <item>
+            <regionName>us-east-1</regionName>
+            <regionEndpoint>ec2.us-east-1.amazonaws.com</regionEndpoint>
+        </item>
+        <item>
+            <regionName>ap-northeast-1</regionName>
+            <regionEndpoint>ec2.ap-northeast-1.amazonaws.com</regionEndpoint>
+        </item>
+        <item>
+            <regionName>us-west-2</regionName>
+            <regionEndpoint>ec2.us-west-2.amazonaws.com</regionEndpoint>
+        </item>
+        <item>
+            <regionName>us-west-1</regionName>
+            <regionEndpoint>ec2.us-west-1.amazonaws.com</regionEndpoint>
+        </item>
+        <item>
+            <regionName>ap-southeast-1</regionName>
+            <regionEndpoint>ec2.ap-southeast-1.amazonaws.com</regionEndpoint>
+        </item>
+    </regionInfo>
+</DescribeRegionsResponse>

core/src/main/java/org/jclouds/location/suppliers/derived/ZoneIdToURIFromJoinOnRegionIdToURI.java

@@ -0,0 +1,64 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds 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
+ * "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.location.suppliers.derived;
+
+import java.net.URI;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import org.jclouds.location.Region;
+import org.jclouds.location.Zone;
+import org.jclouds.location.suppliers.ZoneIdToURISupplier;
+
+import com.google.common.base.Supplier;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+
+/**
+ * 
+ */
+@Singleton
+public class ZoneIdToURIFromJoinOnRegionIdToURI implements ZoneIdToURISupplier {
+
+   private final Supplier<Map<String, Supplier<URI>>> regionIdToURISupplier;
+   private final Supplier<Map<String, Supplier<Set<String>>>> regionIdToZoneIdsSupplier;
+
+   @Inject
+   protected ZoneIdToURIFromJoinOnRegionIdToURI(@Region Supplier<Map<String, Supplier<URI>>> regionIdToURISupplier,
+         @Zone Supplier<Map<String, Supplier<Set<String>>>> regionIdToZoneIdsSupplier) {
+      this.regionIdToURISupplier = regionIdToURISupplier;
+      this.regionIdToZoneIdsSupplier = regionIdToZoneIdsSupplier;
+   }
+
+   @Override
+   public Map<String, Supplier<URI>> get() {
+      Builder<String, Supplier<URI>> builder = ImmutableMap.<String, Supplier<URI>> builder();
+      for (Entry<String, Supplier<URI>> regionToURI : regionIdToURISupplier.get().entrySet()) {
+         for (String zone : regionIdToZoneIdsSupplier.get().get(regionToURI.getKey()).get()) {
+            builder.put(zone, regionToURI.getValue());
+         }
+      }
+      return builder.build();
+   }
+
+}