org.openstack4j.openstack.storage.block.internal.BlockVolumeSnapshotServiceImpl Maven / Gradle / Ivy

package org.openstack4j.openstack.storage.block.internal;

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.List;
import java.util.Map;

import org.openstack4j.api.Builders;
import org.openstack4j.api.storage.BlockVolumeSnapshotService;
import org.openstack4j.model.common.ActionResponse;
import org.openstack4j.model.storage.block.VolumeSnapshot;
import org.openstack4j.openstack.storage.block.domain.CinderVolumeSnapshot;
import org.openstack4j.openstack.storage.block.domain.CinderVolumeSnapshot.VolumeSnapshots;

/**
 * OpenStack (Cinder) Volume Snapshot Operations API Implementation.
 *
 * @author Jeremy Unruh
 */
public class BlockVolumeSnapshotServiceImpl extends BaseBlockStorageServices implements BlockVolumeSnapshotService {

	/**
	 * {@inheritDoc}
	 */
	@Override
	public List list() {
		return get(VolumeSnapshots.class, uri("/snapshots")).execute().getList();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public List list(Map filteringParams) {
		Invocation volumeInvocation = buildInvocation(filteringParams);
		return volumeInvocation.execute().getList();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public VolumeSnapshot get(String snapshotId) {
		checkNotNull(snapshotId);
		return get(CinderVolumeSnapshot.class, uri("/snapshots/%s", snapshotId)).execute();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public ActionResponse delete(String snapshotId) {
		checkNotNull(snapshotId);
		return deleteWithResponse(uri("/snapshots/%s", snapshotId)).execute();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public ActionResponse update(String snapshotId, String name, String description) {
		checkNotNull(snapshotId);
		if (name == null && description == null) 
		    return ActionResponse.actionFailed("Both Name and Description are required", 412);
		
		return put(ActionResponse.class, uri("/snapshots/%s", snapshotId))
    		   .entity(Builders.volumeSnapshot().name(name).description(description).build())
    		   .execute();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public VolumeSnapshot create(VolumeSnapshot snapshot) {
		checkNotNull(snapshot);
		checkNotNull(snapshot.getVolumeId());
		return post(CinderVolumeSnapshot.class, uri("/snapshots")).entity(snapshot).execute();
	}

	private Invocation buildInvocation(Map filteringParams) {
		Invocation volumeInvocation = get(VolumeSnapshots.class, "/snapshots");
		if (filteringParams == null) {
			return volumeInvocation;
		} else {
			for (Map.Entry entry : filteringParams.entrySet()) {
				volumeInvocation = volumeInvocation.param(entry.getKey(), entry.getValue());
			}
		}
		return volumeInvocation;
	}

}