Merge pull request #540 from echohead/openstack_nova_create_image

Openstack nova create image

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/features/ServerAsyncClient.java

@@ -34,6 +34,7 @@ import org.jclouds.openstack.domain.Resource;
 import org.jclouds.openstack.filters.AuthenticateRequest;
 import org.jclouds.openstack.nova.v1_1.domain.RebootType;
 import org.jclouds.openstack.nova.v1_1.domain.Server;
+import org.jclouds.openstack.nova.v1_1.functions.ParseImageIdFromLocationHeader;
 import org.jclouds.openstack.nova.v1_1.options.CreateServerOptions;
 import org.jclouds.openstack.nova.v1_1.options.RebuildServerOptions;
 import org.jclouds.rest.annotations.ExceptionParser;
@@ -41,9 +42,11 @@ import org.jclouds.rest.annotations.MapBinder;
 import org.jclouds.rest.annotations.Payload;
 import org.jclouds.rest.annotations.PayloadParam;
 import org.jclouds.rest.annotations.RequestFilters;
+import org.jclouds.rest.annotations.ResponseParser;
 import org.jclouds.rest.annotations.SelectJson;
 import org.jclouds.rest.annotations.SkipEncoding;
 import org.jclouds.rest.annotations.Unwrap;
+import org.jclouds.rest.functions.MapHttp4xxCodesToExceptions;
 import org.jclouds.rest.functions.ReturnEmptySetOnNotFoundOr404;
 import org.jclouds.rest.functions.ReturnFalseOnNotFoundOr404;
 import org.jclouds.rest.functions.ReturnNullOnNotFoundOr404;
@@ -182,4 +185,17 @@ public interface ServerAsyncClient {
    @Produces(MediaType.APPLICATION_JSON)
    @Payload("%7B\"server\":%7B\"name\":\"{name}\"%7D%7D")
    ListenableFuture<Void> renameServer(@PathParam("id") String id, @PayloadParam("name") String newName);
+
+   /**
+    * @see ServerClient#createImageFromServer
+    */
+   @POST
+   @Path("/servers/{id}/action")
+   @Consumes(MediaType.APPLICATION_JSON)
+   @Produces(MediaType.APPLICATION_JSON)
+   @Payload("%7B\"createImage\":%7B\"name\":\"{name}\", \"metadata\": %7B%7D%7D%7D")
+   @ExceptionParser(MapHttp4xxCodesToExceptions.class)
+   @ResponseParser(ParseImageIdFromLocationHeader.class)
+   ListenableFuture<String> createImageFromServer(@PayloadParam("name") String name, @PathParam("id") String id);
+
 }

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/features/ServerClient.java

@@ -156,4 +156,17 @@ public interface ServerClient {
     *           The new name for the server
     */
    void renameServer(String id, String newName);
+
+   /**
+    * Create an image from a server.
+    *
+    * @param name
+    *           The name of the new image
+    * @param id
+    *           id of the server
+    *
+    * @return ID of the new / updated image
+    */
+   String createImageFromServer(String name, String id);
+
 }

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/functions/ParseImageIdFromLocationHeader.java

@@ -0,0 +1,45 @@
+/**
+ * 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.openstack.nova.v1_1.functions;
+
+
+import javax.inject.Singleton;
+
+import javax.ws.rs.core.HttpHeaders;
+
+import org.jclouds.openstack.nova.v1_1.domain.Image;
+import org.jclouds.http.HttpResponse;
+
+import com.google.common.base.Function;
+ 
+
+/**
+ * This parses {@link Image} from the body of the link in the Location header of the HTTPResponse.
+ * 
+ * @author Tim Miller
+ */
+@Singleton
+public class ParseImageIdFromLocationHeader implements Function<HttpResponse, String> {
+
+	public String apply(HttpResponse response) {
+        String location = response.getFirstHeaderOrNull(HttpHeaders.LOCATION);
+        String[] parts = location.split("/");
+        return parts[parts.length - 1];
+    }
+}

apis/openstack-nova/src/test/java/org/jclouds/openstack/nova/v1_1/features/ServerClientExpectTest.java

@@ -20,6 +20,7 @@ package org.jclouds.openstack.nova.v1_1.features;
 
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.fail;
 
 import java.net.URI;
 
@@ -130,4 +131,61 @@ public class ServerClientExpectTest extends BaseNovaClientExpectTest {
               new ParseCreatedServerTest().expected().toString());
    }
 
+   public void testCreateImageWhenResponseIs2xx() throws Exception {
+	   String serverId = "123";
+	   String imageId = "456";
+	   String imageName = "foo";
+
+	   HttpRequest createImage = HttpRequest
+			   .builder()
+			   .method("POST")
+			   .endpoint(URI.create("https://compute.north.host/v1.1/3456/servers/" + serverId + "/action"))
+			   .headers(
+					   ImmutableMultimap.<String, String> builder().put("Accept", "application/json")
+					   .put("X-Auth-Token", authToken).build())
+			   .payload(payloadFromStringWithContentType(
+					   "{\"createImage\":{\"name\":\"" + imageName + "\", \"metadata\": {}}}", "application/json"))
+               .build();
+
+	   HttpResponse createImageResponse = HttpResponse.builder()
+			   .statusCode(200)
+			   .headers(
+					   ImmutableMultimap.<String, String> builder()
+					   .put("Location", "https://compute.north.host/v1.1/3456/images/" + imageId).build()).build();
+
+	   NovaClient clientWhenServerExists = requestsSendResponses(keystoneAuthWithUsernameAndPassword,
+	            responseWithKeystoneAccess, createImage, createImageResponse);
+
+	   assertEquals(clientWhenServerExists.getServerClientForZone("az-1.region-a.geo-1").createImageFromServer(imageName, serverId),
+			   imageId);
+   }
+
+   public void testCreateImageWhenResponseIs404IsEmpty() throws Exception {
+	   String serverId = "123";
+	   String imageName = "foo";
+
+	   HttpRequest createImage = HttpRequest
+			   .builder()
+			   .method("POST")
+			   .endpoint(URI.create("https://compute.north.host/v1.1/3456/servers/" + serverId + "/action"))
+			   .headers(
+					   ImmutableMultimap.<String, String> builder().put("Accept", "application/json")
+					   .put("X-Auth-Token", authToken)
+					   .put("Content-Type", "application/json").build())
+			   .payload(payloadFromStringWithContentType(
+					   "{\"createImage\":{\"name\":\"" + imageName + "\", \"metadata\": {}}}", "application/json"))
+               .build();
+
+	   HttpResponse createImageResponse = HttpResponse.builder().statusCode(404).build();
+	   NovaClient clientWhenServerDoesNotExist = requestsSendResponses(keystoneAuthWithUsernameAndPassword,
+	            responseWithKeystoneAccess, createImage, createImageResponse);
+
+	   try {
+		   clientWhenServerDoesNotExist.getServerClientForZone("az-1.region-a.geo-1").createImageFromServer(imageName, serverId);
+		   fail("Expected an exception.");
+	   } catch (Exception e) {
+		   ;
+	   }
+   }
+
 }