git commit: Adding an example to delete a server in GCE

[an...@apache.org]

Repository: jclouds-examples
Updated Branches:
  refs/heads/master 82f3903e0 -> 3d5de8bb4


Adding an example to delete a server in GCE


Project: http://git-wip-us.apache.org/repos/asf/jclouds-examples/repo
Commit: http://git-wip-us.apache.org/repos/asf/jclouds-examples/commit/3d5de8bb
Tree: http://git-wip-us.apache.org/repos/asf/jclouds-examples/tree/3d5de8bb
Diff: http://git-wip-us.apache.org/repos/asf/jclouds-examples/diff/3d5de8bb

Branch: refs/heads/master
Commit: 3d5de8bb4da30f5e1d526d929992e151c37de684
Parents: 82f3903
Author: Marek Wieczorek <ma...@google.com>
Authored: Mon May 5 18:35:23 2014 +0200
Committer: Andrew Phillips <an...@apache.org>
Committed: Wed May 7 11:55:41 2014 +0200

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 .../google/computeengine/DeleteServer.java      | 104 +++++++++++++++++++
 1 file changed, 104 insertions(+)
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http://git-wip-us.apache.org/repos/asf/jclouds-examples/blob/3d5de8bb/google/src/main/java/org/jclouds/examples/google/computeengine/DeleteServer.java
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diff --git a/google/src/main/java/org/jclouds/examples/google/computeengine/DeleteServer.java b/google/src/main/java/org/jclouds/examples/google/computeengine/DeleteServer.java
new file mode 100644
index 0000000..d993100
--- /dev/null
+++ b/google/src/main/java/org/jclouds/examples/google/computeengine/DeleteServer.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * 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
+ * "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.examples.google.computeengine;
+
+import com.google.common.io.Closeables;
+import com.google.common.io.Files;
+
+import org.jclouds.ContextBuilder;
+import org.jclouds.compute.ComputeService;
+import org.jclouds.compute.ComputeServiceContext;
+import org.jclouds.compute.domain.NodeMetadata;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.util.Properties;
+import java.util.Set;
+
+import static org.jclouds.compute.config.ComputeServiceProperties.POLL_INITIAL_PERIOD;
+import static org.jclouds.compute.config.ComputeServiceProperties.POLL_MAX_PERIOD;
+import static org.jclouds.compute.predicates.NodePredicates.inGroup;
+import static org.jclouds.examples.google.computeengine.Constants.*;
+
+/**
+ * This example destroys the server created in the CreateServer example.
+ *
+ * @author Marek Wieczorek (based on code by Everett Toews)
+ */
+public class DeleteServer implements Closeable {
+   private ComputeService computeService;
+
+   /**
+    * The first argument (args[0]) must be your service account email address
+    * The second argument (args[1]) must a path to your service account
+    *     private key PEM file (without a password).
+    */
+   public static void main(String[] args) throws IOException {
+	  String key = Files.toString(new File(args[1]), Charset.defaultCharset());
+
+	  DeleteServer deleteServer = new DeleteServer(args[0], key);
+
+      try {
+         deleteServer.deleteServer();
+      }
+      catch (Exception e) {
+         e.printStackTrace();
+      }
+      finally {
+         deleteServer.close();
+      }
+   }
+
+   public DeleteServer(String serviceAccountEmailAddress, String serviceAccountKey) {
+      // These properties control how often jclouds polls for a status udpate
+      Properties overrides = new Properties();
+      overrides.setProperty(POLL_INITIAL_PERIOD, POLL_PERIOD_TWENTY_SECONDS);
+      overrides.setProperty(POLL_MAX_PERIOD, POLL_PERIOD_TWENTY_SECONDS);
+
+      ComputeServiceContext context = ContextBuilder.newBuilder(PROVIDER)
+            .credentials(serviceAccountEmailAddress, serviceAccountKey)
+            .overrides(overrides)
+            .buildView(ComputeServiceContext.class);
+      computeService = context.getComputeService();
+   }
+
+   /**
+    * This will delete all servers in group {@link Constants#NAME}
+    */
+   private void deleteServer() {
+      System.out.format("Delete Servers in group %s%n", NAME);
+
+      // This method will continue to poll for the server status and won't return until this server
+      // is DELETED.
+      Set<? extends NodeMetadata> servers = computeService.destroyNodesMatching(inGroup(NAME));
+
+      for (NodeMetadata server : servers) {
+         System.out.format("  %s%n", server);
+      }
+   }
+
+   /**
+    * Always close your service when you're done with it.
+    */
+   public void close() throws IOException {
+      Closeables.close(computeService.getContext(), true);
+   }
+}