net.yxy.athena.service.server.ComputeService.java Source code

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Here is the source code for net.yxy.athena.service.server.ComputeService.java

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/**
 * Copyright (c) 2016, Xianyi Ye
 *
 * This project includes software developed by Xianyi Ye
 * yexianyi@hotmail.com
 *
 * Licensed 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 net.yxy.athena.service.server;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.jclouds.ContextBuilder;
import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
import org.jclouds.openstack.nova.v2_0.NovaApi;
import org.jclouds.openstack.nova.v2_0.domain.Server;
import org.jclouds.openstack.nova.v2_0.features.ServerApi;

import com.google.common.collect.ImmutableSet;
import com.google.common.io.Closeables;
import com.google.inject.Module;

import net.yxy.athena.global.Constants;

public class ComputeService {
    private final NovaApi novaApi;
    private final Set<String> regions;

    public ComputeService() {
        Iterable<Module> modules = ImmutableSet.<Module>of(new SLF4JLoggingModule());

        novaApi = ContextBuilder.newBuilder(Constants.OPENSTACK_PROVIDER).endpoint(Constants.OPENSTACK_ENDPOINT)
                .credentials(Constants.OPENSTACK_IDENTITY, Constants.OPENSTACK_CREDENTIAL).modules(modules)
                .buildApi(NovaApi.class);
        regions = novaApi.getConfiguredRegions();
    }

    public Map<String, Server> listServers() {
        //      EmbeddedDBServer.acquire() ;

        //      ODocument doc = new ODocument("Person");
        //      doc.field("name", "test");
        //      doc.field("surname", "test");
        //      doc.field("city", new ODocument("City").field("name", "Rome").field("country", "Italy"));
        //      doc.save();

        Map<String, Server> serverMap = new HashMap<String, Server>();
        for (String region : regions) {
            ServerApi serverApi = novaApi.getServerApi(region);

            //         System.out.println("Servers in region:" + region);
            for (Server server : serverApi.listInDetail().concat()) {
                //            System.out.println("  " + server);
                serverMap.put(server.getId(), server);
            }
        }

        return serverMap;
    }

    public void close() throws IOException {
        Closeables.close(novaApi, true);
    }

    public static void main(String[] args) throws IOException {
        ComputeService jcloudsNova = new ComputeService();

        try {
            jcloudsNova.listServers();
            jcloudsNova.close();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            jcloudsNova.close();
        }
    }

}