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org.openstack4j.openstack.image.v2.internal.ImageServiceImpl Maven / Gradle / Ivy
package org.openstack4j.openstack.image.v2.internal;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.github.fge.jsonpatch.diff.JsonDiff;
import org.openstack4j.api.Apis;
import org.openstack4j.api.exceptions.ResponseException;
import org.openstack4j.api.image.v2.ImageService;
import org.openstack4j.api.image.v2.TaskService;
import org.openstack4j.core.transport.ExecutionOptions;
import org.openstack4j.core.transport.HttpResponse;
import org.openstack4j.core.transport.propagation.PropagateOnStatus;
import org.openstack4j.model.common.ActionResponse;
import org.openstack4j.model.common.Payload;
import org.openstack4j.model.image.v2.CachedImage;
import org.openstack4j.model.image.v2.Image;
import org.openstack4j.model.image.v2.ImageUpdate;
import org.openstack4j.model.image.v2.Member;
import org.openstack4j.openstack.image.v2.domain.CachedGlanceImage.CachedImages;
import org.openstack4j.openstack.image.v2.domain.GlanceImage;
import org.openstack4j.openstack.image.v2.domain.GlanceImageUpdate;
import org.openstack4j.openstack.image.v2.domain.GlanceMember;
import javax.annotation.Nullable;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.openstack4j.core.transport.ClientConstants.CONTENT_TYPE_IMAGE_V2_PATCH;
import static org.openstack4j.core.transport.ClientConstants.CONTENT_TYPE_OCTECT_STREAM;
import static org.openstack4j.core.transport.ClientConstants.HEADER_ACCEPT;
import static org.openstack4j.core.transport.ClientConstants.HEADER_CONTENT_TYPE;
/**
* Implementation of Glance V2 Image Service
* @author emjburns
*/
public class ImageServiceImpl extends BaseImageServices implements ImageService {
/**
* {@inheritDoc}
*/
@Override
public List list() {
return get(GlanceImage.Images.class, uri("/images")).execute().getList();
}
/**
* {@inheritDoc}
*/
@Override
public List list(Map filteringParams) {
return get(GlanceImage.Images.class, uri("/images")).params(filteringParams).execute().getList();
}
/**
* {@inheritDoc}
*/
@Override
public List listCachedImages() {
try {
return get(CachedImages.class, uri("/cached_images"))
.execute(ExecutionOptions.create(PropagateOnStatus.on(404))).getList();
}
catch (ResponseException e) {
return null;
}
}
/**
* {@inheritDoc}
*/
@Override
public Image get(String imageId) {
checkNotNull(imageId);
return get(GlanceImage.class, uri("/images/%s", imageId)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public Image create(Image image) {
checkNotNull(image);
return post(GlanceImage.class, uri("/images")).entity(image).execute();
}
/**
* {@inheritDoc}
*/
@Override
public Image update(Image image) {
checkNotNull(image);
ObjectMapper objectMapper = new ObjectMapper();
Image origImage = get(image.getId());
ObjectNode origJson;
ObjectNode newJson;
try {
String oImg = objectMapper.writeValueAsString(origImage);
origJson = (ObjectNode) objectMapper.readTree(oImg);
String img = objectMapper.writeValueAsString(image);
newJson = (ObjectNode) objectMapper.readTree(img);
JsonNode jsonDiff = JsonDiff.asJson(origJson, newJson);
GlanceImageUpdate giu = new GlanceImageUpdate(jsonDiff);
return update(image.getId(), giu);
}catch (IOException e) {
e.printStackTrace();
return null;
}
}
/**
* {@inheritDoc}
*/
@Override
public Image update(String imageId, ImageUpdate imageUpdate) {
checkNotNull(imageId);
checkNotNull(imageUpdate);
return patch(GlanceImage.class, uri("/images/%s", imageId)).header(HEADER_CONTENT_TYPE, CONTENT_TYPE_IMAGE_V2_PATCH).entity(imageUpdate).execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse delete(String imageId) {
checkNotNull(imageId);
return deleteWithResponse(uri("/images/%s", imageId)).param("format","json").execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse deactivate(String imageId) {
checkNotNull(imageId);
return post(ActionResponse.class, uri("/images/%s/actions/deactivate",imageId)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse reactivate(String imageId) {
checkNotNull(imageId);
return post(ActionResponse.class, uri("/images/%s/actions/reactivate",imageId)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse upload(String imageId, Payload payload, @Nullable Image image) {
checkNotNull(imageId);
checkNotNull(payload);
return put(ActionResponse.class, uri("/images/%s/file",imageId)).header(HEADER_CONTENT_TYPE,CONTENT_TYPE_OCTECT_STREAM).entity(payload).execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse download(String imageId, File filename) {
checkNotNull(imageId);
checkNotNull(filename);
HttpResponse response = get(Void.class, uri("/images/%s/file", imageId)).header(HEADER_ACCEPT, CONTENT_TYPE_OCTECT_STREAM).executeWithResponse();
if (response.getStatus() < 400) {
InputStream inputStream = response.getInputStream();
OutputStream outputStream;
try {
outputStream = new FileOutputStream(filename);
byte[] buffer = new byte[1024];
int bytesRead;
while((bytesRead = inputStream.read(buffer)) !=-1){
outputStream.write(buffer, 0, bytesRead);
}
inputStream.close();
outputStream.flush();
outputStream.close();
return ActionResponse.actionSuccess();
}catch (Exception e) {
e.printStackTrace();
return ActionResponse.actionFailed("Failed to write to file " + e.getMessage(), 400);
}
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse updateTag(String imageId, String tag) {
checkNotNull(imageId);
checkNotNull(tag);
return put(ActionResponse.class, uri("/images/%s/tags/%s", imageId, tag)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse deleteTag(String imageId, String tag) {
checkNotNull(imageId);
checkNotNull(tag);
return deleteWithResponse(uri("/images/%s/tags/%s", imageId, tag)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public List listMembers(String imageId) {
checkNotNull(imageId);
return get(GlanceMember.Members.class, uri("/images/%s/members", imageId)).execute().getList();
}
/**
* {@inheritDoc}
*/
@Override
public List listMembers(String imageId, Map filteringParams) {
checkNotNull(imageId);
Invocation req = get(GlanceMember.Members.class, uri("/images/%s/members", imageId));
if (filteringParams != null) {
for (Map.Entry entry : filteringParams.entrySet()) {
req = req.param(entry.getKey(), entry.getValue());
}
}
return req.execute().getList();
}
/**
* {@inheritDoc}
*/
@Override
public Member getMember(String imageId, String memberId) {
checkNotNull(imageId);
checkNotNull(memberId);
return get(Member.class, uri("/images/%s/members/%s", imageId, memberId)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public Member createMember(String imageId, String memberId) {
checkNotNull(imageId);
checkNotNull(memberId);
return post(Member.class, uri("/images/%s/members",imageId)).entity(new GlanceMember(memberId)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public Member updateMember(String imageId, String memberId, Member.MemberStatus memberStatus) {
checkNotNull(imageId);
checkNotNull(memberId);
return put(Member.class, uri("/images/%s/members/%s", imageId, memberId)).entity(new GlanceMember(memberStatus)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public ActionResponse deleteMember(String imageId, String memberId) {
checkNotNull(imageId);
checkNotNull(memberId);
return deleteWithResponse(uri("/images/%s/members/%s",imageId, memberId)).execute();
}
/**
* {@inheritDoc}
*/
@Override
public TaskService tasks() {
return Apis.get(TaskService.class);
}
}
