org.xlcloud.openstack.climate.client.OpenstackClimateClient Maven / Gradle / Ivy

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/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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.xlcloud.openstack.climate.client;

import java.util.ArrayList;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.apache.log4j.Logger;
import org.xlcloud.config.ConfigParam;
import org.xlcloud.openstack.client.WebResourceRequestBuilderDecorator;
import org.xlcloud.openstack.climate.api.ReservationClient;
import org.xlcloud.openstack.model.climate.Lease;
import org.xlcloud.openstack.model.climate.Leases;
import org.xlcloud.openstack.model.climate.client.GetLeaseResponse;
import org.xlcloud.openstack.model.exceptions.OpenStackException;
import org.xlcloud.openstack.rest.OpenStackRestClient;
import org.xlcloud.openstack.rest.RestClientType;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;

/**
 * This interface provides a concise way to manipulate Climate API
 * 
 * @author Michał Kamiński, AMG.net
 */
public class OpenstackClimateClient extends WebResourceRequestBuilderDecorator implements ReservationClient {

    private static final Logger LOG = Logger.getLogger(OpenstackClimateClient.class);
    
    private static final String LEASES = "leases";

//    private static final String HOSTS = "os-hosts";

    @Inject
    @OpenStackRestClient(RestClientType.HEAT)
    private Client resourceClient;

    @Inject
    @ConfigParam
    private String climateUrl;

    private WebResource resource;

    @PostConstruct
    public void init() {
        LOG.debug("Using Jersey client " + resourceClient.hashCode());
        resource = resourceClient.resource(climateUrl);
    }

    /** {@inheritDoc} */
    @Override
    public Lease createLease(Lease lease) {
        GetLeaseResponse leaseResponse = post(GetLeaseResponse.class, lease, resource.path(LEASES));
        if (leaseResponse == null || leaseResponse.getLease() == null) {
            throw new OpenStackException(500, "Could not create lease");
        }
        return leaseResponse.getLease();
    }

    /** {@inheritDoc} */
    @Override
    public List listAllLeases() {
        return get(Leases.class, resource.path(LEASES)).getLeases();
    }

    /** {@inheritDoc} */
    @Override
    public List listLeasesByTenant(String tenantId) {
        List allLeases = listAllLeases();
        List tenantLeases = new ArrayList();
        for (Lease lease : allLeases) {
            if (tenantId.equals(lease.getTenantId())) {
                tenantLeases.add(lease);
            }
        }
        return tenantLeases;
    }

    /** {@inheritDoc} */
    @Override
    public Lease getLease(String leaseId) {
        GetLeaseResponse leaseResponse = get(GetLeaseResponse.class, resource.path(LEASES).path(leaseId));
        if (leaseResponse == null) {
            throw new OpenStackException(404, "Lease not found");
        }
        return leaseResponse.getLease();
    }

    /** {@inheritDoc} */
    @Override
    public Lease updateLease(String leaseId, Lease lease) {
        GetLeaseResponse leaseResponse = put(GetLeaseResponse.class, lease, resource.path(LEASES).path(leaseId));
        if (leaseResponse == null) {
            throw new OpenStackException(500, "Could not update lease");
        }
        return leaseResponse.getLease();
    }

    /** {@inheritDoc} */
    @Override
    public void removeLease(String leaseId) {
        delete(resource.path(LEASES).path(leaseId));
    }

//    @Override
//    public List listHosts() {
//        return get(Hosts.class, resource.path(HOSTS)).getHosts();
//    }
//
//    @Override
//    public Host getHosts(String hostId) {
//        return get(Host.class, resource.path(HOSTS));
//    }
}