/*
* 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.ec2.windows;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import com.google.inject.Module;
import org.jclouds.ContextBuilder;
import org.jclouds.aws.ec2.reference.AWSEC2Constants;
import org.jclouds.compute.ComputeService;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.domain.Location;
import org.jclouds.encryption.bouncycastle.config.BouncyCastleCryptoModule;
import org.jclouds.location.predicates.LocationPredicates;
import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
import org.kohsuke.args4j.CmdLineException;
import org.kohsuke.args4j.CmdLineParser;
import javax.annotation.Nullable;
import java.util.Properties;
import java.util.Set;
/**
* The main application. This will parse and validate the command line
* arguments, initialize a jclouds context, and then jump to {@link
* WindowsInstanceStarter}.
*/
public class MainApp {
private ComputeServiceContext context;
private ComputeService computeService;
private Arguments arguments;
public MainApp(Arguments arguments) {
this.arguments = arguments;
}
public static void main(String[] args) throws Exception {
Arguments arguments = new Arguments();
CmdLineParser parser = new CmdLineParser(arguments);
try {
parser.parseArgument(args);
} catch (CmdLineException e) {
// handling of wrong arguments
System.err.println(e.getMessage());
parser.printUsage(System.err);
System.exit(1);
}
new MainApp(arguments).run();
}
private void run() throws Exception {
Properties overrides = new Properties();
overrides.put(AWSEC2Constants.PROPERTY_EC2_AMI_QUERY, "owner-id=" + arguments.getAmiOwner() + ";state=available;image-type=machine");
ImmutableSet<Module> modules = ImmutableSet.<Module>of(
new SLF4JLoggingModule(), // OverThere uses SLF4J so we will as well
new BouncyCastleCryptoModule() // needed to decrypt the password from EC2
);
context = ContextBuilder.newBuilder("aws-ec2")
.credentials(arguments.getIdentity(), arguments.getCredential())
.overrides(overrides)
.modules(modules)
.build(ComputeServiceContext.class);
try {
computeService = context.getComputeService();
Set<String> regions = Sets.newHashSet(Iterables.transform(Iterables.filter(computeService.listAssignableLocations(), LocationPredicates.isRegion()), new Function<Location, String>() {
@Override
public String apply(@Nullable Location location) {
return (location != null) ? location.getId() : null;
}
}));
if (!regions.contains(arguments.getRegion())) {
System.err.println("Region \"" + arguments.getRegion() + "\" is not known. Known regions are:");
for (String r : regions) {
System.err.println(" " + r);
}
System.exit(1);
}
WindowsInstanceStarter app = new WindowsInstanceStarter(arguments, context);
app.run();
} finally {
context.close();
}
}
}