| /* |
| * 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.hadoop.chukwa.hicc.rest; |
| |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Set; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpSession; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.QueryParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.WebApplicationException; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.Response; |
| |
| import org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore; |
| import org.apache.hadoop.chukwa.hicc.TimeHandler; |
| import org.apache.hadoop.chukwa.hicc.bean.Series; |
| import org.json.simple.JSONArray; |
| |
| @Path("/metrics") |
| public class MetricsController { |
| |
| @GET |
| @Path("series/{metric}/{source}") |
| @Produces("application/json") |
| public String getSeries(@Context HttpServletRequest request, @PathParam("metric") String metric, @PathParam("source") String source, @QueryParam("start") String start, @QueryParam("end") String end) { |
| SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); |
| String buffer = ""; |
| Series series; |
| long startTime = 0; |
| long endTime = 0; |
| TimeHandler time = new TimeHandler(request); |
| try { |
| if(start!=null) { |
| startTime = sdf.parse(start).getTime(); |
| } else { |
| startTime = time.getStartTime(); |
| } |
| if(end!=null) { |
| endTime = sdf.parse(end).getTime(); |
| } else { |
| endTime = time.getEndTime(); |
| } |
| series = ChukwaHBaseStore.getSeries(metric, source, startTime, endTime); |
| buffer = series.toString(); |
| } catch (ParseException e) { |
| throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST) |
| .entity("Start/End date parse error. Format: yyyyMMddHHmmss.").build()); |
| } |
| return buffer; |
| } |
| |
| @GET |
| @Path("series/{metricGroup}/{metric}/session/{sessionKey}") |
| @Produces("application/json") |
| public String getSeriesBySessionAttribute(@Context HttpServletRequest request, @PathParam("metricGroup") String metricGroup, @PathParam("metric") String metric, @PathParam("sessionKey") String skey, @QueryParam("start") String start, @QueryParam("end") String end) { |
| SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); |
| String buffer = ""; |
| long startTime = 0; |
| long endTime = 0; |
| TimeHandler time = new TimeHandler(request); |
| try { |
| if(start!=null) { |
| startTime = sdf.parse(start).getTime(); |
| } else { |
| startTime = time.getStartTime(); |
| } |
| if(end!=null) { |
| endTime = sdf.parse(end).getTime(); |
| } else { |
| endTime = time.getEndTime(); |
| } |
| if(skey!=null) { |
| HttpSession session = request.getSession(); |
| String[] sourcekeys = (session.getAttribute(skey).toString()).split(","); |
| JSONArray seriesList = new JSONArray(); |
| for(String source : sourcekeys) { |
| if (source == null || source.equals("")) { |
| continue; |
| } |
| Series output = ChukwaHBaseStore.getSeries(metricGroup, metric, source, startTime, endTime); |
| seriesList.add(output.toJSONObject()); |
| } |
| buffer = seriesList.toString(); |
| } else { |
| throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST) |
| .entity("No session attribute key defined.").build()); |
| } |
| } catch (ParseException e) { |
| throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST) |
| .entity("Start/End date parse error. Format: yyyyMMddHHmmss.").build()); |
| } |
| return buffer; |
| } |
| |
| @GET |
| @Path("schema") |
| @Produces("application/json") |
| public String getTables() { |
| Set<String> metricGroups = ChukwaHBaseStore.getMetricGroups(); |
| JSONArray groups = new JSONArray(); |
| for(String metric : metricGroups) { |
| groups.add(metric); |
| } |
| return groups.toString(); |
| } |
| |
| @GET |
| @Path("schema/{metricGroup}") |
| @Produces("application/json") |
| public String getFamilies(@PathParam("metricGroup") String metricGroup) { |
| Set<String> metricNames = ChukwaHBaseStore.getMetricNames(metricGroup); |
| JSONArray metrics = new JSONArray(); |
| for(String metric : metricNames) { |
| metrics.add(metric); |
| } |
| return metrics.toString(); |
| } |
| |
| @GET |
| @Path("source/{metricGroup}") |
| @Produces("application/json") |
| public String getSourceNames(@Context HttpServletRequest request, @PathParam("metricGroup") String metricGroup) { |
| Set<String> sourceNames = ChukwaHBaseStore.getSourceNames(metricGroup); |
| JSONArray rows = new JSONArray(); |
| for(String row : sourceNames) { |
| rows.add(row); |
| } |
| return rows.toString(); |
| } |
| } |