/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.apache.oozie.ambari.view.assets;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import org.apache.ambari.view.ViewContext;
import org.apache.oozie.ambari.view.*;
import org.apache.oozie.ambari.view.assets.model.ActionAsset;
import org.apache.oozie.ambari.view.assets.model.ActionAssetDefinition;
import org.apache.oozie.ambari.view.assets.model.AssetDefintion;
import org.apache.oozie.ambari.view.exception.ErrorCode;
import org.apache.oozie.ambari.view.exception.WfmException;
import org.apache.oozie.ambari.view.exception.WfmWebException;
import org.apache.oozie.ambari.view.model.APIResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.ws.rs.*;
import javax.ws.rs.core.*;
import java.io.IOException;
import java.util.*;
import static org.apache.oozie.ambari.view.Constants.*;
public class AssetResource {
private final static Logger LOGGER = LoggerFactory
.getLogger(AssetResource.class);
private final AssetService assetService;
private final ViewContext viewContext;
private final HDFSFileUtils hdfsFileUtils;
private final OozieUtils oozieUtils = new OozieUtils();
private final OozieDelegate oozieDelegate;
public AssetResource(ViewContext viewContext) {
this.viewContext = viewContext;
this.assetService = new AssetService(viewContext);
hdfsFileUtils = new HDFSFileUtils(viewContext);
oozieDelegate = new OozieDelegate(viewContext);
}
@GET
public Response getAssets() {
try {
Collection<ActionAsset> assets = assetService.getAssets();
APIResult result = new APIResult();
result.setStatus(APIResult.Status.SUCCESS);
result.getPaging().setTotal(assets != null ? assets.size() : 0L);
result.setData(assets);
return Response.ok(result).build();
} catch (Exception ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
@GET
@Path("/mine")
public Response getMyAssets() {
try {
Collection<ActionAsset> assets = assetService.getMyAssets();
APIResult result = new APIResult();
result.setStatus(APIResult.Status.SUCCESS);
result.getPaging().setTotal(assets != null ? assets.size() : 0L);
result.setData(assets);
return Response.ok(result).build();
} catch (Exception ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
@POST
public Response saveAsset(@Context HttpHeaders headers,
@QueryParam("id") String id, @Context UriInfo ui, String body) {
try {
Gson gson = new Gson();
AssetDefintion assetDefinition = gson.fromJson(body, AssetDefintion.class);
Map<String, String> validateAsset = validateAsset(headers,
assetDefinition.getDefinition(), ui.getQueryParameters());
if (!STATUS_OK.equals(validateAsset.get(STATUS_KEY))) {
throw new WfmWebException(ErrorCode.ASSET_INVALID_FROM_OOZIE);
}
assetService.saveAsset(id, viewContext.getUsername(), assetDefinition);
APIResult result = new APIResult();
result.setStatus(APIResult.Status.SUCCESS);
return Response.ok(result).build();
} catch (WfmWebException ex) {
LOGGER.error(ex.getMessage(),ex);
throw ex;
} catch (Exception ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
private List<String> getAsList(String string) {
ArrayList<String> li = new ArrayList<>(1);
li.add(string);
return li;
}
public Map<String, String> validateAsset(HttpHeaders headers,
String postBody, MultivaluedMap<String, String> queryParams) {
String workflowXml = oozieUtils.generateWorkflowXml(postBody);
Map<String, String> result = new HashMap<>();
String tempWfPath = "/tmp" + "/tmpooziewfs/tempwf_" + Math.round(Math.random() * 100000) + ".xml";
try {
hdfsFileUtils.writeToFile(tempWfPath, workflowXml, true);
} catch (IOException ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex, ErrorCode.FILE_ACCESS_UNKNOWN_ERROR);
}
queryParams.put("oozieparam.action", getAsList("dryrun"));
queryParams.put("oozieconfig.rerunOnFailure", getAsList("false"));
queryParams.put("oozieconfig.useSystemLibPath", getAsList("true"));
queryParams.put("resourceManager", getAsList("useDefault"));
String dryRunResp = oozieDelegate.submitWorkflowJobToOozie(headers,
tempWfPath, queryParams, JobType.WORKFLOW);
LOGGER.info(String.format("resp from validating asset=[%s]", dryRunResp));
try {
hdfsFileUtils.deleteFile(tempWfPath);
} catch (IOException ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex, ErrorCode.FILE_ACCESS_UNKNOWN_ERROR);
}
if (dryRunResp != null && dryRunResp.trim().startsWith("{")) {
JsonElement jsonElement = new JsonParser().parse(dryRunResp);
JsonElement idElem = jsonElement.getAsJsonObject().get("id");
if (idElem != null) {
result.put(STATUS_KEY, STATUS_OK);
} else {
result.put(STATUS_KEY, STATUS_FAILED);
result.put(MESSAGE_KEY, dryRunResp);
}
} else {
result.put(STATUS_KEY, STATUS_FAILED);
result.put(MESSAGE_KEY, dryRunResp);
}
return result;
}
@GET
@Path("/assetNameAvailable")
public Response assetNameAvailable(@QueryParam("name") String name){
try {
boolean available = assetService.isAssetNameAvailable(name);
return Response.ok(available).build();
}catch (Exception ex){
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
@GET
@Path("/{id}")
public Response getAssetDetail(@PathParam("id") String id) {
try {
AssetDefintion assetDefinition = assetService.getAssetDetail(id);
APIResult result = new APIResult();
result.setStatus(APIResult.Status.SUCCESS);
result.setData(assetDefinition);
return Response.ok(result).build();
} catch (Exception ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
@GET
@Path("/definition/id}")
public Response getAssetDefinition(@PathParam("defnitionId") String id) {
try {
ActionAssetDefinition assetDefinition = assetService.getAssetDefinition(id);
APIResult result = new APIResult();
result.setStatus(APIResult.Status.SUCCESS);
result.setData(assetDefinition);
return Response.ok(result).build();
} catch (Exception ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
@DELETE
@Path("/{id}")
public Response delete(@PathParam("id") String id) {
try {
ActionAsset asset = assetService.getAsset(id);
if (asset == null) {
throw new WfmWebException(ErrorCode.ASSET_NOT_EXIST);
}
if (!viewContext.getUsername().equals(asset.getOwner())){
throw new WfmWebException(ErrorCode.PERMISSION_ERROR);
}
assetService.deleteAsset(id);
APIResult result = new APIResult();
result.setStatus(APIResult.Status.SUCCESS);
return Response.ok(result).build();
} catch (WfmWebException ex) {
LOGGER.error(ex.getMessage(),ex);
throw ex;
} catch (Exception ex) {
LOGGER.error(ex.getMessage(),ex);
throw new WfmWebException(ex);
}
}
}