174 lines
6.7 KiB
Java
174 lines
6.7 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.api.resource;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import javax.inject.Inject;
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import javax.validation.Valid;
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import javax.ws.rs.Consumes;
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import javax.ws.rs.DELETE;
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import javax.ws.rs.GET;
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import javax.ws.rs.HeaderParam;
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import javax.ws.rs.PUT;
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import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.UriInfo;
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import org.hibernate.validator.constraints.NotEmpty;
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import org.joda.time.DateTime;
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import com.codahale.metrics.annotation.Timed;
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import com.fasterxml.jackson.databind.JsonMappingException;
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import com.google.common.base.Strings;
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import monasca.api.app.AlarmService;
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import monasca.api.app.command.UpdateAlarmCommand;
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import monasca.api.app.validation.Validation;
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import com.hpcloud.mon.common.model.alarm.AlarmState;
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import monasca.api.domain.model.alarm.Alarm;
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import monasca.api.domain.model.alarm.AlarmRepository;
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import monasca.api.domain.model.alarmdefinition.AlarmDefinition;
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import monasca.api.domain.model.alarmstatehistory.AlarmStateHistory;
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import monasca.api.domain.model.alarmstatehistory.AlarmStateHistoryRepository;
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import monasca.api.resource.annotation.PATCH;
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import com.wordnik.swagger.annotations.Api;
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import com.wordnik.swagger.annotations.ApiOperation;
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import com.wordnik.swagger.annotations.ApiParam;
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import com.wordnik.swagger.annotations.ApiResponse;
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import com.wordnik.swagger.annotations.ApiResponses;
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/**
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* Alarm resource implementation.
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*/
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@Path("/v2.0/alarms")
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@Api(value = "/v2.0/alarms", description = "Operations for accessing alarms")
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public class AlarmResource {
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private final AlarmService service;
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private final AlarmRepository repo;
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private final AlarmStateHistoryRepository stateHistoryRepo;
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@Inject
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public AlarmResource(AlarmService service, AlarmRepository repo,
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AlarmStateHistoryRepository stateHistoryRepo) {
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this.service = service;
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this.repo = repo;
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this.stateHistoryRepo = stateHistoryRepo;
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}
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@DELETE
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@Timed
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@Path("/{alarm_id}")
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@ApiOperation(value = "Delete alarm")
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public void delete(@HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_id") String alarmId) {
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service.delete(tenantId, alarmId);
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}
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@GET
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@Timed
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@Path("/{alarm_id}")
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@Produces(MediaType.APPLICATION_JSON)
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@ApiOperation(value = "Get alarm", response = Alarm.class)
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@ApiResponses(value = {@ApiResponse(code = 400, message = "Invalid ID supplied"),
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@ApiResponse(code = 404, message = "Alarm not found")})
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public Alarm get(
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@ApiParam(value = "ID of alarm to fetch", required = true) @Context UriInfo uriInfo,
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@HeaderParam("X-Tenant-Id") String tenantId, @PathParam("alarm_id") String alarm_id) {
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return Links.hydrate(repo.findById(alarm_id), uriInfo, true);
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}
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@GET
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@Timed
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@Path("/{alarm_id}/state-history")
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@Produces(MediaType.APPLICATION_JSON)
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@ApiOperation(value = "Get alarm state history", response = AlarmStateHistory.class,
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responseContainer = "List")
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public List<AlarmStateHistory> getStateHistory(@Context UriInfo uriInfo,
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@HeaderParam("X-Tenant-Id") String tenantId, @PathParam("alarm_id") String alarmId)
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throws Exception {
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return stateHistoryRepo.findById(tenantId, alarmId);
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}
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@GET
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@Timed
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@Produces(MediaType.APPLICATION_JSON)
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@ApiOperation(value = "List alarms", response = Alarm.class, responseContainer = "List")
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public List<Alarm> list(@Context UriInfo uriInfo, @HeaderParam("X-Tenant-Id") String tenantId,
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@QueryParam("alarm_definition_id") String alarmDefId,
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@QueryParam("metric_name") String metricName,
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@QueryParam("metric_dimensions") String metricDimensionsStr,
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@QueryParam("state") AlarmState state) throws Exception {
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Map<String, String> metricDimensions =
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Strings.isNullOrEmpty(metricDimensionsStr) ? null : Validation
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.parseAndValidateNameAndDimensions(metricName, metricDimensionsStr);
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return Links.hydrate(repo.find(tenantId, alarmDefId, metricName, metricDimensions, state),
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uriInfo);
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}
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@GET
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@Timed
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@Path("/state-history")
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@Produces(MediaType.APPLICATION_JSON)
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@ApiOperation(value = "List alarm state history", response = AlarmDefinition.class,
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responseContainer = "List")
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public Collection<AlarmStateHistory> listStateHistory(
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@HeaderParam("X-Tenant-Id") String tenantId, @QueryParam("dimensions") String dimensionsStr,
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@QueryParam("start_time") String startTimeStr, @QueryParam("end_time") String endTimeStr)
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throws Exception {
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// Validate query parameters
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DateTime startTime = Validation.parseAndValidateDate(startTimeStr, "start_time", false);
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DateTime endTime = Validation.parseAndValidateDate(endTimeStr, "end_time", false);
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if (startTime != null)
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Validation.validateTimes(startTime, endTime);
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Map<String, String> dimensions =
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Strings.isNullOrEmpty(dimensionsStr) ? null : Validation
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.parseAndValidateDimensions(dimensionsStr);
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return stateHistoryRepo.find(tenantId, dimensions, startTime, endTime);
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}
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@PATCH
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@Timed
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@Path("/{alarm_id}")
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@Consumes("application/json-patch+json")
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@Produces(MediaType.APPLICATION_JSON)
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public Alarm patch(@Context UriInfo uriInfo, @HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_id") String alarmId, @NotEmpty Map<String, Object> fields)
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throws JsonMappingException {
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String stateStr = (String) fields.get("state");
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AlarmState state =
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stateStr == null ? null : Validation.parseAndValidate(AlarmState.class, stateStr);
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return Links.hydrate((Alarm) service.patch(tenantId, alarmId, state), uriInfo, true);
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}
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@PUT
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@Timed
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@Path("/{alarm_id}")
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@Consumes(MediaType.APPLICATION_JSON)
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@Produces(MediaType.APPLICATION_JSON)
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@ApiOperation(value = "Update alarm", response = Alarm.class)
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public Alarm update(@Context UriInfo uriInfo, @HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_id") String alarmId, @Valid UpdateAlarmCommand command) {
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return Links.hydrate(service.update(tenantId, alarmId, command), uriInfo, true);
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}
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}
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