Jian Li | 6e4da2f | 2018-05-21 18:11:31 +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 | |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 21 | import com.google.common.collect.Sets; |
| 22 | import org.apache.commons.lang3.exception.ExceptionUtils; |
| 23 | import org.onosproject.codec.JsonCodec; |
| 24 | import org.onosproject.openstacktelemetry.api.FlowInfo; |
| 25 | import org.onosproject.openstacktelemetry.api.StatsFlowRule; |
| 26 | import org.onosproject.openstacktelemetry.api.StatsFlowRuleAdminService; |
| 27 | import org.onosproject.openstacktelemetry.codec.FlowInfoJsonCodec; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 28 | import org.onosproject.rest.AbstractWebResource; |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 29 | import org.slf4j.Logger; |
| 30 | import org.slf4j.LoggerFactory; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 31 | |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 32 | import javax.ws.rs.Consumes; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 33 | import javax.ws.rs.GET; |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 34 | import javax.ws.rs.POST; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 35 | import javax.ws.rs.Path; |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 36 | import javax.ws.rs.PathParam; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 37 | import javax.ws.rs.Produces; |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 38 | import javax.ws.rs.core.Context; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 39 | import javax.ws.rs.core.MediaType; |
| 40 | import javax.ws.rs.core.Response; |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 41 | import javax.ws.rs.core.UriBuilder; |
| 42 | import javax.ws.rs.core.UriInfo; |
| 43 | import java.io.InputStream; |
| 44 | import java.util.Set; |
| 45 | |
| 46 | import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT; |
| 47 | import static javax.ws.rs.core.Response.created; |
| 48 | import static org.onlab.util.Tools.readTreeFromStream; |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 49 | |
| 50 | /** |
| 51 | * Handles REST API call of openstack telemetry. |
| 52 | */ |
| 53 | |
| 54 | @Path("telemetry") |
| 55 | public class OpenstackTelemetryWebResource extends AbstractWebResource { |
| 56 | |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 57 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 58 | |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 59 | private final ObjectNode root = mapper().createObjectNode(); |
| 60 | |
Boyoung Jeong | 9e8faec | 2018-06-17 21:19:23 +0900 | [diff] [blame^] | 61 | private static final String JSON_NODE_FLOW_RULE = "rules"; |
| 62 | private static final String FLOW_RULE_ID = "STATS_FLOW_RULE_ID"; |
| 63 | |
| 64 | private final StatsFlowRuleAdminService statsFlowRuleService = get(StatsFlowRuleAdminService.class); |
| 65 | |
| 66 | @Context |
| 67 | private UriInfo uriInfo; |
| 68 | |
| 69 | /** |
| 70 | * Creates a flow rule for metric. |
| 71 | * |
| 72 | * @param input openstack flow rule JSON input stream |
| 73 | * @return 201 CREATED if the JSON is correct, |
| 74 | * 400 BAD_REQUEST if the JSON is malformed. |
| 75 | */ |
| 76 | @POST |
| 77 | @Consumes(MediaType.APPLICATION_JSON) |
| 78 | @Produces(MediaType.APPLICATION_JSON) |
| 79 | public Response createBulkFlowRule(InputStream input) { |
| 80 | log.info("CREATE BULK FLOW RULE: {}", input.toString()); |
| 81 | |
| 82 | readNodeConfiguration(input).forEach(flowRule -> { |
| 83 | log.debug("FlowRule: {}", flowRule.toString()); |
| 84 | statsFlowRuleService.createFlowRule(flowRule); |
| 85 | }); |
| 86 | |
| 87 | UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| 88 | .path(JSON_NODE_FLOW_RULE) |
| 89 | .path(FLOW_RULE_ID); |
| 90 | |
| 91 | return created(locationBuilder.build()).build(); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Delete flow rules. |
| 96 | * |
| 97 | * @param input openstack flow rule JSON input stream |
| 98 | * @return 200 OK if processing is correct. |
| 99 | */ |
| 100 | public Response deleteBulkFlowRule(InputStream input) { |
| 101 | log.info("DELETE BULK FLOW RULE: {}", input.toString()); |
| 102 | |
| 103 | readNodeConfiguration(input).forEach(flowRule -> { |
| 104 | log.debug("FlowRule: {}", flowRule.toString()); |
| 105 | statsFlowRuleService.deleteFlowRule(flowRule); |
| 106 | }); |
| 107 | |
| 108 | return ok(root).build(); |
| 109 | } |
| 110 | |
| 111 | |
| 112 | /** |
| 113 | * Get flow rules which is installed on ONOS. |
| 114 | * |
| 115 | * @return 200 OK |
| 116 | */ |
| 117 | public Response readBulkFlowRule() { |
| 118 | log.info("READ BULK FLOW RULE"); |
| 119 | |
| 120 | return ok(root).build(); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | /** |
| 125 | * Get flow information list. |
| 126 | * |
| 127 | * @return Flow information list |
| 128 | */ |
| 129 | @GET |
| 130 | @Path("list") |
| 131 | @Produces(MediaType.APPLICATION_JSON) |
| 132 | public Response getFlowInfoBulk() { |
| 133 | log.info("GET BULK FLOW RULE"); |
| 134 | |
| 135 | Set<FlowInfo> flowInfoSet; |
| 136 | flowInfoSet = statsFlowRuleService.getFlowRule(); |
| 137 | |
| 138 | log.info("\n\n======================================================\n" + |
| 139 | "FlowInfo Set: \n{}" + |
| 140 | "\n\n======================================================\n", |
| 141 | flowInfoSet); |
| 142 | |
| 143 | JsonCodec<FlowInfo> flowInfoCodec = new FlowInfoJsonCodec(); |
| 144 | |
| 145 | ObjectNode nodeJson; |
| 146 | int idx = 0; |
| 147 | for (FlowInfo flowInfo: flowInfoSet) { |
| 148 | nodeJson = flowInfoCodec.encode(flowInfo, this); |
| 149 | root.put("FlowInfo" + String.valueOf(idx++), nodeJson.toString()); |
| 150 | } |
| 151 | return ok(root).build(); |
| 152 | } |
| 153 | |
| 154 | @GET |
| 155 | @Path("list/{src_ip_prefix}/{dst_ip_prefix}") |
| 156 | @Produces(MediaType.APPLICATION_JSON) |
| 157 | public Response getFlowRule( |
| 158 | @PathParam("src_ip_prefix") String srcIpPrefix, |
| 159 | @PathParam("dst_ip_prefix") String dstIpPrefix) { |
| 160 | return ok(root).build(); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | private Set<StatsFlowRule> readNodeConfiguration(InputStream input) { |
| 165 | log.info("Input JSON Data: \n\t\t{}", input.toString()); |
| 166 | Set<StatsFlowRule> flowRuleSet = Sets.newHashSet(); |
| 167 | try { |
| 168 | JsonNode jsonTree = readTreeFromStream(mapper().enable(INDENT_OUTPUT), input); |
| 169 | ArrayNode nodes = (ArrayNode) jsonTree.path(JSON_NODE_FLOW_RULE); |
| 170 | nodes.forEach(node -> { |
| 171 | try { |
| 172 | ObjectNode objectNode = node.deepCopy(); |
| 173 | log.debug("ObjectNode: {}", objectNode.toString()); |
| 174 | StatsFlowRule statsFlowRule = codec(StatsFlowRule.class) |
| 175 | .decode(objectNode, this); |
| 176 | log.debug("StatsFlowRule: {}", statsFlowRule.toString()); |
| 177 | flowRuleSet.add(statsFlowRule); |
| 178 | } catch (Exception ex) { |
| 179 | log.error("Exception Stack:\n{}", ExceptionUtils.getStackTrace(ex)); |
| 180 | throw new IllegalArgumentException(); |
| 181 | } |
| 182 | }); |
| 183 | } catch (Exception ex) { |
| 184 | log.error("Exception Stack:\n{}", ExceptionUtils.getStackTrace(ex)); |
| 185 | throw new IllegalArgumentException(ex); |
| 186 | } |
| 187 | |
| 188 | return flowRuleSet; |
| 189 | } |
| 190 | |
Jian Li | 6e4da2f | 2018-05-21 18:11:31 +0900 | [diff] [blame] | 191 | /** |
| 192 | * OpenstackTelemetryImpl method. |
| 193 | * |
| 194 | * @return 200 OK |
| 195 | * |
| 196 | * @onos.rsModel dummy |
| 197 | */ |
| 198 | @GET |
| 199 | @Produces(MediaType.APPLICATION_JSON) |
| 200 | public Response dummy() { |
| 201 | return ok(root).build(); |
| 202 | } |
| 203 | } |