Jian Li | 7fe7eaf | 2018-12-31 17:00:33 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacktelemetry.web; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import com.google.common.collect.Maps; |
| 20 | import org.onosproject.openstacktelemetry.api.TelemetryConfigAdminService; |
| 21 | import org.onosproject.openstacktelemetry.api.config.TelemetryConfig; |
| 22 | import org.onosproject.rest.AbstractWebResource; |
| 23 | import org.slf4j.Logger; |
| 24 | import org.slf4j.LoggerFactory; |
| 25 | |
| 26 | import javax.ws.rs.Consumes; |
| 27 | import javax.ws.rs.DELETE; |
| 28 | import javax.ws.rs.GET; |
| 29 | import javax.ws.rs.PUT; |
| 30 | import javax.ws.rs.Path; |
| 31 | import javax.ws.rs.PathParam; |
| 32 | import javax.ws.rs.Produces; |
| 33 | import javax.ws.rs.core.Context; |
| 34 | import javax.ws.rs.core.MediaType; |
| 35 | import javax.ws.rs.core.Response; |
| 36 | import javax.ws.rs.core.UriInfo; |
| 37 | import java.util.Map; |
| 38 | |
| 39 | import static org.onlab.util.Tools.nullIsIllegal; |
| 40 | import static org.onlab.util.Tools.nullIsNotFound; |
| 41 | |
| 42 | /** |
| 43 | * Handles REST API call of openstack telemetry configuration. |
| 44 | */ |
| 45 | @Path("config") |
| 46 | public class OpenstackTelemetryConfigWebResource extends AbstractWebResource { |
| 47 | |
| 48 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 49 | |
| 50 | private static final String MESSAGE_CONFIG = "Received config %s request"; |
| 51 | private static final String CONFIG = "config"; |
| 52 | private static final String ADDRESS = "address"; |
| 53 | private static final String QUERY = "QUERY"; |
| 54 | private static final String UPDATE = "UPDATE"; |
| 55 | private static final String DELETE = "DELETE"; |
| 56 | private static final String CONFIG_NAME = "config name"; |
| 57 | private static final String NOT_NULL_MESSAGE = " cannot be null"; |
| 58 | private static final String CONFIG_NOT_FOUND = "Config is not found"; |
| 59 | |
| 60 | private final TelemetryConfigAdminService configService = |
| 61 | get(TelemetryConfigAdminService.class); |
| 62 | |
| 63 | @Context |
| 64 | private UriInfo uriInfo; |
| 65 | |
| 66 | /** |
| 67 | * Updates the telemetry configuration address from the JSON input stream. |
| 68 | * |
| 69 | * @param configName telemetry config name |
| 70 | * @param address telemetry config address |
| 71 | * @return 200 OK with the updated telemetry config, 400 BAD_REQUEST |
| 72 | * if the JSON is malformed, and 304 NOT_MODIFIED without the updated config |
| 73 | * due to incorrect configuration name so that we cannot find the existing config |
| 74 | */ |
| 75 | @PUT |
| 76 | @Path("address/{name}/{address}") |
| 77 | @Consumes(MediaType.APPLICATION_JSON) |
| 78 | @Produces(MediaType.APPLICATION_JSON) |
| 79 | public Response updateConfigAddress(@PathParam("name") String configName, |
| 80 | @PathParam("address") String address) { |
| 81 | log.trace(String.format(MESSAGE_CONFIG, UPDATE)); |
| 82 | |
| 83 | try { |
| 84 | TelemetryConfig config = configService.getConfig( |
| 85 | nullIsIllegal(configName, CONFIG_NAME + NOT_NULL_MESSAGE)); |
| 86 | |
| 87 | if (config == null) { |
| 88 | log.warn("There is no config found to modify for {}", configName); |
| 89 | return Response.notModified().build(); |
| 90 | } else { |
| 91 | Map<String, String> updatedProperties = |
| 92 | Maps.newHashMap(config.properties()); |
| 93 | updatedProperties.put(ADDRESS, |
| 94 | nullIsIllegal(address, ADDRESS + NOT_NULL_MESSAGE)); |
| 95 | TelemetryConfig updatedConfig = |
| 96 | config.updateProperties(updatedProperties); |
| 97 | |
| 98 | configService.updateTelemetryConfig(updatedConfig); |
| 99 | return Response.ok().build(); |
| 100 | } |
| 101 | |
| 102 | } catch (Exception e) { |
| 103 | throw new IllegalArgumentException(e); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Deletes the telemetry configuration by referring to configuration name. |
| 109 | * |
| 110 | * @param configName telemetry configuration name |
| 111 | * @return 204 NO_CONTENT, 400 BAD_REQUEST if the JSON is malformed, |
| 112 | * and 304 NOT_MODIFIED without removing config, due to incorrect |
| 113 | * configuration name so that we cannot find the existing config |
| 114 | */ |
| 115 | @DELETE |
| 116 | @Path("{name}") |
| 117 | @Consumes(MediaType.APPLICATION_JSON) |
| 118 | @Produces(MediaType.APPLICATION_JSON) |
| 119 | public Response deleteTelemetryConfig(@PathParam("name") String configName) { |
| 120 | log.trace(String.format(MESSAGE_CONFIG, DELETE)); |
| 121 | |
| 122 | TelemetryConfig config = configService.getConfig( |
| 123 | nullIsIllegal(configName, CONFIG_NAME + NOT_NULL_MESSAGE)); |
| 124 | |
| 125 | if (config == null) { |
| 126 | log.warn("There is no config found to delete for {}", configName); |
| 127 | return Response.notModified().build(); |
| 128 | } else { |
| 129 | configService.removeTelemetryConfig(configName); |
| 130 | return Response.noContent().build(); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Get details of telemetry config. |
| 136 | * Returns detailed properties of the specified telemetry config. |
| 137 | * |
| 138 | * @param configName telemetry configName |
| 139 | * @return 200 OK with detailed properties of the specific telemetry config |
| 140 | * @onos.rsModel TelemetryConfig |
| 141 | */ |
| 142 | @GET |
| 143 | @Path("{name}") |
| 144 | @Consumes(MediaType.APPLICATION_JSON) |
| 145 | @Produces(MediaType.APPLICATION_JSON) |
| 146 | public Response getConfig(@PathParam("name") String configName) { |
| 147 | log.trace(String.format(MESSAGE_CONFIG, QUERY)); |
| 148 | |
| 149 | final TelemetryConfig config = |
| 150 | nullIsNotFound(configService.getConfig(configName), CONFIG_NOT_FOUND); |
| 151 | final ObjectNode root = codec(TelemetryConfig.class).encode(config, this); |
| 152 | return ok(root).build(); |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Enables the telemetry configuration with the given config name. |
| 157 | * |
| 158 | * @param configName telemetry configuration name |
| 159 | * @return 200 OK with the enabled telemetry config, |
| 160 | * 400 BAD_REQUEST if the JSON is malformed, |
| 161 | * and 304 NOT_MODIFIED without removing config, due to incorrect |
| 162 | * configuration name so that we cannot find the existing config |
| 163 | */ |
| 164 | @PUT |
| 165 | @Path("enable/{name}") |
| 166 | @Consumes(MediaType.APPLICATION_JSON) |
| 167 | @Produces(MediaType.APPLICATION_JSON) |
| 168 | public Response enableConfig(@PathParam("name") String configName) { |
| 169 | log.trace(String.format(MESSAGE_CONFIG, UPDATE)); |
| 170 | |
| 171 | TelemetryConfig config = configService.getConfig( |
| 172 | nullIsIllegal(configName, CONFIG_NAME + NOT_NULL_MESSAGE)); |
| 173 | |
| 174 | if (config == null) { |
| 175 | log.warn("There is no config found to enable for {}", configName); |
| 176 | return Response.notModified().build(); |
| 177 | } else { |
| 178 | TelemetryConfig updatedConfig = config.updateEnabled(true); |
| 179 | configService.updateTelemetryConfig(updatedConfig); |
| 180 | return Response.ok().build(); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Disables the telemetry configuration with the given config name. |
| 186 | * |
| 187 | * @param configName telemetry configuration name |
| 188 | * @return 200 OK with the disabled telemetry config |
| 189 | * 400 BAD_REQUEST if the JSON is malformed, |
| 190 | * and 304 NOT_MODIFIED without removing config, due to incorrect |
| 191 | * configuration name so that we cannot find the existing config |
| 192 | */ |
| 193 | @PUT |
| 194 | @Path("disable/{name}") |
| 195 | @Consumes(MediaType.APPLICATION_JSON) |
| 196 | @Produces(MediaType.APPLICATION_JSON) |
| 197 | public Response disableConfig(@PathParam("name") String configName) { |
| 198 | log.trace(String.format(MESSAGE_CONFIG, UPDATE)); |
| 199 | |
| 200 | TelemetryConfig config = configService.getConfig( |
| 201 | nullIsIllegal(configName, CONFIG_NAME + NOT_NULL_MESSAGE)); |
| 202 | |
| 203 | if (config == null) { |
| 204 | log.warn("There is no config found to disable for {}", configName); |
| 205 | return Response.notModified().build(); |
| 206 | } else { |
| 207 | TelemetryConfig updatedConfig = config.updateEnabled(false); |
| 208 | configService.updateTelemetryConfig(updatedConfig); |
| 209 | return Response.ok().build(); |
| 210 | } |
| 211 | } |
| 212 | } |