org.dasein.cloud.gogrid.GoGridDC Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of dasein-cloud-gogrid Show documentation
Implementation of the Dasein Cloud API for the GoGrid Cloud.
There is a newer version: 2013.07
/**
 * Copyright (C) 2012 enStratus Networks Inc
 *
 * ====================================================================
 * 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 org.dasein.cloud.gogrid;

import org.apache.log4j.Logger;
import org.dasein.cloud.CloudException;
import org.dasein.cloud.InternalException;
import org.dasein.cloud.ProviderContext;
import org.dasein.cloud.dc.DataCenter;
import org.dasein.cloud.dc.DataCenterServices;
import org.dasein.cloud.dc.Region;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Locale;

/**
 * Implements data center services based on the GoGrid REST API.
 * Created by George Reese: 10/13/12 3:28 PM
 * @author George Reese
 * @version 2012.09 initial version
 * @since 2012.09
 */
public class GoGridDC implements DataCenterServices {
    static private final Logger logger = GoGrid.getLogger(GoGridDC.class);

    private GoGrid provider;

    GoGridDC(GoGrid provider) { this.provider = provider; }

    @Override
    public DataCenter getDataCenter(String providerDataCenterId) throws InternalException, CloudException {
        for( Region r : listRegions() ) {
            for( DataCenter dc : listDataCenters(r.getProviderRegionId()) ) {
                if( dc.getProviderDataCenterId().equals(providerDataCenterId) ) {
                    return dc;
                }
            }
        }
        return null;
    }

    @Override
    public String getProviderTermForDataCenter(Locale locale) {
        return "data center";
    }

    @Override
    public String getProviderTermForRegion(Locale locale) {
        return "region";
    }

    @Override
    public Region getRegion(String providerRegionId) throws InternalException, CloudException {
        for( Region r : listRegions() ) {
            if( r.getProviderRegionId().equals(providerRegionId) ) {
                return r;
            }
        }
        return null;
    }

    @Override
    public Collection listDataCenters(String providerRegionId) throws InternalException, CloudException {
        Region region = getRegion(providerRegionId);

        if( region == null ) {
            throw new CloudException("No such region: " + providerRegionId);
        }
        DataCenter dc = new DataCenter();
        dc.setActive(true);
        dc.setAvailable(true);
        dc.setName(region.getName() + "a");
        dc.setProviderDataCenterId(region.getProviderRegionId() + "a");
        dc.setRegionId(providerRegionId);
        return Collections.singletonList(dc);
    }

    static private HashMap> regionCache = new HashMap>();

    @Override
    public Collection listRegions() throws InternalException, CloudException {
        ProviderContext ctx = provider.getContext();

        if( ctx == null ) {
            throw new CloudException("No region was set for this request");
        }
        Collection cached = regionCache.get(ctx.getEndpoint());

        if( cached != null ) {
            return cached;
        }
        GoGridMethod method = new GoGridMethod(provider);

        method.get(GoGridMethod.LOOKUP_LIST, new GoGridMethod.Param("lookup", "loadbalancer.type"));
        JSONArray regionList = method.get(GoGridMethod.LOOKUP_LIST, new GoGridMethod.Param("lookup", "datacenter"));

        if( regionList == null ) {
            return Collections.emptyList();
        }

        // {"summary":{"total":3,"start":0,"numpages":0,"returned":3},
        // "status":"success",
        // "method":"/common/lookup/list",
        // "list":[{"id":1,"description":"US West 1 Datacenter","name":"US-West-1","object":"option"},{"id":2,"description":"US East 1 Datacenter","name":"US-East-1","object":"option"},{"id":3,"description":"EU-West-1 Datacenter","name":"EU-West-1","object":"option"}]}

        ArrayList regions = new ArrayList();

        for( int i=0; i 2 ) {
            region.setJurisdiction(n.substring(0, 2));
        }
        return region;
    }
}