| /** |
| * 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 |
| * |
| * 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.apache.atlas.web.resources; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.inject.Singleton; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.WebApplicationException; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import org.apache.atlas.AtlasClient; |
| import org.apache.atlas.utils.AtlasPerfTracer; |
| import org.apache.atlas.web.filters.AtlasCSRFPreventionFilter; |
| import org.apache.atlas.web.service.ServiceState; |
| import org.apache.atlas.web.util.Servlets; |
| import org.apache.commons.configuration.ConfigurationException; |
| import org.apache.commons.configuration.PropertiesConfiguration; |
| import org.apache.commons.lang.StringUtils; |
| import org.codehaus.jettison.json.JSONException; |
| import org.codehaus.jettison.json.JSONObject; |
| import org.slf4j.Logger; |
| import org.springframework.security.core.Authentication; |
| import org.springframework.security.core.GrantedAuthority; |
| import org.springframework.security.core.context.SecurityContextHolder; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * Jersey Resource for admin operations. |
| */ |
| @Path("admin") |
| @Singleton |
| public class AdminResource { |
| private static final Logger PERF_LOG = AtlasPerfTracer.getPerfLogger("rest.AdminResource"); |
| |
| private static final String isCSRF_ENABLED = "atlas.rest-csrf.enabled"; |
| private static final String BROWSER_USER_AGENT_PARAM = "atlas.rest-csrf.browser-useragents-regex"; |
| private static final String CUSTOM_METHODS_TO_IGNORE_PARAM = "atlas.rest-csrf.methods-to-ignore"; |
| private static final String CUSTOM_HEADER_PARAM = "atlas.rest-csrf.custom-header"; |
| private static final String isTaxonomyEnabled = "atlas.feature.taxonomy.enable"; |
| |
| private Response version; |
| private ServiceState serviceState; |
| |
| @Inject |
| public AdminResource(ServiceState serviceState) { |
| this.serviceState = serviceState; |
| } |
| |
| /** |
| * Fetches the thread stack dump for this application. |
| * |
| * @return json representing the thread stack dump. |
| */ |
| @GET |
| @Path("stack") |
| @Produces(MediaType.TEXT_PLAIN) |
| public String getThreadDump() { |
| AtlasPerfTracer perf = null; |
| |
| try { |
| if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) { |
| perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "AdminResource.getThreadDump()"); |
| } |
| |
| ThreadGroup topThreadGroup = Thread.currentThread().getThreadGroup(); |
| |
| while (topThreadGroup.getParent() != null) { |
| topThreadGroup = topThreadGroup.getParent(); |
| } |
| Thread[] threads = new Thread[topThreadGroup.activeCount()]; |
| |
| int nr = topThreadGroup.enumerate(threads); |
| StringBuilder builder = new StringBuilder(); |
| for (int i = 0; i < nr; i++) { |
| builder.append(threads[i].getName()).append("\nState: "). |
| append(threads[i].getState()).append("\n"); |
| String stackTrace = StringUtils.join(threads[i].getStackTrace(), "\n"); |
| builder.append(stackTrace); |
| } |
| return builder.toString(); |
| } finally { |
| AtlasPerfTracer.log(perf); |
| } |
| } |
| |
| /** |
| * Fetches the version for this application. |
| * |
| * @return json representing the version. |
| */ |
| @GET |
| @Path("version") |
| @Produces(Servlets.JSON_MEDIA_TYPE) |
| public Response getVersion() { |
| AtlasPerfTracer perf = null; |
| |
| try { |
| if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) { |
| perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "AdminResource.getVersion()"); |
| } |
| |
| if (version == null) { |
| try { |
| PropertiesConfiguration configProperties = new PropertiesConfiguration("atlas-buildinfo.properties"); |
| |
| JSONObject response = new JSONObject(); |
| response.put("Version", configProperties.getString("build.version", "UNKNOWN")); |
| response.put("Name", configProperties.getString("project.name", "apache-atlas")); |
| response.put("Description", configProperties.getString("project.description", |
| "Metadata Management and Data Governance Platform over Hadoop")); |
| |
| // todo: add hadoop version? |
| // response.put("Hadoop", VersionInfo.getVersion() + "-r" + VersionInfo.getRevision()); |
| version = Response.ok(response).build(); |
| } catch (JSONException | ConfigurationException e) { |
| throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR)); |
| } |
| } |
| |
| return version; |
| } finally { |
| AtlasPerfTracer.log(perf); |
| } |
| } |
| |
| @GET |
| @Path("status") |
| @Produces(Servlets.JSON_MEDIA_TYPE) |
| public Response getStatus() { |
| AtlasPerfTracer perf = null; |
| |
| try { |
| if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) { |
| perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "AdminResource.getStatus()"); |
| } |
| |
| JSONObject responseData = new JSONObject(); |
| try { |
| responseData.put(AtlasClient.STATUS, serviceState.getState().toString()); |
| Response response = Response.ok(responseData).build(); |
| return response; |
| } catch (JSONException e) { |
| throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR)); |
| } |
| } finally { |
| AtlasPerfTracer.log(perf); |
| } |
| } |
| |
| @GET |
| @Path("session") |
| @Produces(Servlets.JSON_MEDIA_TYPE) |
| public Response getUserProfile() { |
| JSONObject responseData = new JSONObject(); |
| Boolean enableTaxonomy = null; |
| AtlasPerfTracer perf = null; |
| try { |
| if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) { |
| perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "AdminResource.getUserProfile()"); |
| } |
| |
| PropertiesConfiguration configProperties = new PropertiesConfiguration("atlas-application.properties"); |
| enableTaxonomy = new Boolean(configProperties.getString(isTaxonomyEnabled, "false")); |
| Authentication auth = SecurityContextHolder.getContext().getAuthentication(); |
| String userName = null; |
| Set<String> groups = new HashSet<String>(); |
| if (auth != null) { |
| userName = auth.getName(); |
| Collection<? extends GrantedAuthority> authorities = auth.getAuthorities(); |
| for (GrantedAuthority c : authorities) { |
| groups.add(c.getAuthority()); |
| } |
| } |
| |
| responseData.put(isCSRF_ENABLED, AtlasCSRFPreventionFilter.isCSRF_ENABLED); |
| responseData.put(BROWSER_USER_AGENT_PARAM, AtlasCSRFPreventionFilter.BROWSER_USER_AGENTS_DEFAULT); |
| responseData.put(CUSTOM_METHODS_TO_IGNORE_PARAM, AtlasCSRFPreventionFilter.METHODS_TO_IGNORE_DEFAULT); |
| responseData.put(CUSTOM_HEADER_PARAM, AtlasCSRFPreventionFilter.HEADER_DEFAULT); |
| |
| responseData.put(isTaxonomyEnabled, enableTaxonomy); |
| |
| responseData.put("userName", userName); |
| responseData.put("groups", groups); |
| Response response = Response.ok(responseData).build(); |
| return response; |
| } catch (JSONException | ConfigurationException e) { |
| throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR)); |
| } finally { |
| AtlasPerfTracer.log(perf); |
| } |
| } |
| } |