Jian Li | f248307 | 2020-12-25 02:24:16 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020-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.kubevirtnode.web; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 20 | import org.onosproject.kubevirtnode.api.KubevirtApiConfig; |
| 21 | import org.onosproject.kubevirtnode.api.KubevirtApiConfigAdminService; |
| 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.POST; |
| 29 | import javax.ws.rs.Path; |
| 30 | import javax.ws.rs.PathParam; |
| 31 | import javax.ws.rs.Produces; |
| 32 | import javax.ws.rs.core.Context; |
| 33 | import javax.ws.rs.core.MediaType; |
| 34 | import javax.ws.rs.core.Response; |
| 35 | import javax.ws.rs.core.UriBuilder; |
| 36 | import javax.ws.rs.core.UriInfo; |
| 37 | import java.io.InputStream; |
| 38 | |
| 39 | import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT; |
| 40 | import static javax.ws.rs.core.Response.created; |
| 41 | import static org.onlab.util.Tools.readTreeFromStream; |
| 42 | import static org.onosproject.kubevirtnode.util.KubevirtNodeUtil.endpoint; |
| 43 | |
| 44 | /** |
| 45 | * Handles REST API call of kubernetes node config. |
| 46 | */ |
| 47 | @Path("api-config") |
| 48 | public class KubevirtApiConfigWebResource extends AbstractWebResource { |
| 49 | |
| 50 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 51 | |
| 52 | private static final String MESSAGE_CONFIG = "Received API config %s request"; |
| 53 | |
| 54 | private static final String CREATE = "CREATE"; |
| 55 | private static final String UPDATE = "UPDATE"; |
| 56 | private static final String REMOVE = "REMOVE"; |
| 57 | private static final String QUERY = "QUERY"; |
| 58 | private static final String API_CONFIG = "apiConfig"; |
| 59 | |
| 60 | private static final String ENDPOINT = "endpoint"; |
| 61 | private static final String ERROR_MESSAGE = " cannot be null"; |
| 62 | |
Jian Li | f248307 | 2020-12-25 02:24:16 +0900 | [diff] [blame] | 63 | @Context |
| 64 | private UriInfo uriInfo; |
| 65 | |
| 66 | /** |
| 67 | * Creates a set of KubeVirt API config from the JSON input stream. |
| 68 | * |
| 69 | * @param input KubeVirt API configs JSON input stream |
| 70 | * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON |
| 71 | * is malformed |
| 72 | * @onos.rsModel KubevirtApiConfig |
| 73 | */ |
| 74 | @POST |
| 75 | @Consumes(MediaType.APPLICATION_JSON) |
| 76 | @Produces(MediaType.APPLICATION_JSON) |
| 77 | public Response createApiConfigs(InputStream input) { |
| 78 | log.trace(String.format(MESSAGE_CONFIG, CREATE)); |
| 79 | |
| 80 | KubevirtApiConfig config = readApiConfig(input); |
Jian Li | 3581300 | 2021-02-19 10:28:01 +0900 | [diff] [blame] | 81 | KubevirtApiConfigAdminService service = get(KubevirtApiConfigAdminService.class); |
| 82 | |
Jian Li | f248307 | 2020-12-25 02:24:16 +0900 | [diff] [blame] | 83 | if (config != null) { |
| 84 | service.createApiConfig(config); |
| 85 | } |
| 86 | |
| 87 | UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| 88 | .path(API_CONFIG); |
| 89 | |
| 90 | return created(locationBuilder.build()).build(); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Removes a KubeVirt API config. |
| 95 | * |
| 96 | * @param endpoint KubeVirt API endpoint |
| 97 | * @return 204 NO_CONTENT, 400 BAD_REQUEST if the JSON is malformed |
| 98 | */ |
| 99 | @DELETE |
| 100 | @Path("{endpoint : .+}") |
| 101 | @Consumes(MediaType.APPLICATION_JSON) |
| 102 | @Produces(MediaType.APPLICATION_JSON) |
| 103 | public Response deleteApiConfig(@PathParam("endpoint") String endpoint) { |
| 104 | log.trace(String.format(MESSAGE_CONFIG, REMOVE)); |
| 105 | |
Jian Li | 3581300 | 2021-02-19 10:28:01 +0900 | [diff] [blame] | 106 | KubevirtApiConfigAdminService service = get(KubevirtApiConfigAdminService.class); |
Jian Li | f248307 | 2020-12-25 02:24:16 +0900 | [diff] [blame] | 107 | KubevirtApiConfig existing = service.apiConfig(); |
| 108 | |
| 109 | if (existing == null) { |
| 110 | log.warn("There is no API configuration to delete"); |
| 111 | return Response.notModified().build(); |
| 112 | } else { |
| 113 | if (endpoint.equals(endpoint(existing))) { |
| 114 | service.removeApiConfig(endpoint); |
| 115 | } else { |
| 116 | log.warn("There is no API configuration to delete for endpoint {}", endpoint); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | return Response.noContent().build(); |
| 121 | } |
| 122 | |
| 123 | private KubevirtApiConfig readApiConfig(InputStream input) { |
| 124 | KubevirtApiConfig config; |
| 125 | try { |
| 126 | JsonNode jsonTree = readTreeFromStream(mapper().enable(INDENT_OUTPUT), input); |
| 127 | ObjectNode objectNode = jsonTree.deepCopy(); |
| 128 | config = codec(KubevirtApiConfig.class).decode(objectNode, this); |
| 129 | } catch (Exception e) { |
| 130 | throw new IllegalArgumentException(e); |
| 131 | } |
| 132 | |
| 133 | return config; |
| 134 | } |
| 135 | } |