Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021-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.kubevirtnetworking.util; |
| 17 | |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 18 | import com.fasterxml.jackson.databind.ObjectMapper; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 19 | import com.google.common.base.Strings; |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 20 | import com.google.common.collect.ImmutableSet; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 21 | import io.fabric8.kubernetes.api.model.Pod; |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 22 | import io.fabric8.kubernetes.client.ConfigBuilder; |
| 23 | import io.fabric8.kubernetes.client.DefaultKubernetesClient; |
| 24 | import io.fabric8.kubernetes.client.KubernetesClient; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 25 | import org.apache.commons.lang.StringUtils; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 26 | import org.apache.commons.net.util.SubnetUtils; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 27 | import org.json.JSONArray; |
| 28 | import org.json.JSONException; |
| 29 | import org.json.JSONObject; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 30 | import org.onlab.osgi.DefaultServiceDirectory; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 31 | import org.onlab.packet.ARP; |
| 32 | import org.onlab.packet.Ethernet; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 33 | import org.onlab.packet.Ip4Address; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 34 | import org.onlab.packet.IpAddress; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 35 | import org.onlab.packet.MacAddress; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 36 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 37 | import org.onosproject.kubevirtnetworking.api.DefaultKubevirtPort; |
| 38 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 39 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 40 | import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 41 | import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| 42 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 43 | import org.onosproject.kubevirtnode.api.KubevirtApiConfig; |
| 44 | import org.onosproject.kubevirtnode.api.KubevirtApiConfigService; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 45 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 46 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 47 | import org.onosproject.net.DeviceId; |
| 48 | import org.onosproject.net.Port; |
| 49 | import org.onosproject.net.PortNumber; |
| 50 | import org.onosproject.net.device.DeviceService; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 51 | import org.slf4j.Logger; |
| 52 | import org.slf4j.LoggerFactory; |
Jian Li | 94b6d16 | 2021-04-15 17:09:11 +0900 | [diff] [blame] | 53 | import org.xbill.DNS.Address; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 54 | |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 55 | import java.io.IOException; |
Jian Li | 94b6d16 | 2021-04-15 17:09:11 +0900 | [diff] [blame] | 56 | import java.net.InetAddress; |
| 57 | import java.net.UnknownHostException; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 58 | import java.util.Arrays; |
| 59 | import java.util.HashSet; |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 60 | import java.util.List; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 61 | import java.util.Map; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 62 | import java.util.Objects; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 63 | import java.util.Optional; |
| 64 | import java.util.Set; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 65 | import java.util.stream.Collectors; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 66 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 67 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_TO_TENANT_PREFIX; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 68 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.GATEWAY; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 69 | import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| 70 | |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 71 | /** |
| 72 | * An utility that used in KubeVirt networking app. |
| 73 | */ |
| 74 | public final class KubevirtNetworkingUtil { |
| 75 | |
| 76 | private static final Logger log = LoggerFactory.getLogger(KubevirtNetworkingUtil.class); |
| 77 | |
| 78 | private static final int PORT_NAME_MAX_LENGTH = 15; |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 79 | private static final String COLON_SLASH = "://"; |
| 80 | private static final String COLON = ":"; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 81 | private static final String OF_PREFIX = "of:"; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 82 | |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 83 | private static final String NETWORK_STATUS_KEY = "k8s.v1.cni.cncf.io/network-status"; |
| 84 | private static final String NAME = "name"; |
| 85 | private static final String NETWORK_PREFIX = "default/"; |
| 86 | private static final String MAC = "mac"; |
| 87 | private static final String IPS = "ips"; |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 88 | private static final String BR_INT = "br-int"; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 89 | |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 90 | /** |
| 91 | * Prevents object installation from external. |
| 92 | */ |
| 93 | private KubevirtNetworkingUtil() { |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Obtains the boolean property value with specified property key name. |
| 98 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 99 | * @param properties a collection of properties |
| 100 | * @param name key name |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 101 | * @return mapping value |
| 102 | */ |
| 103 | public static boolean getPropertyValueAsBoolean(Set<ConfigProperty> properties, |
| 104 | String name) { |
| 105 | Optional<ConfigProperty> property = |
| 106 | properties.stream().filter(p -> p.name().equals(name)).findFirst(); |
| 107 | |
| 108 | return property.map(ConfigProperty::asBoolean).orElse(false); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Re-structures the OVS port name. |
| 113 | * The length of OVS port name should be not large than 15. |
| 114 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 115 | * @param portName original port name |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 116 | * @return re-structured OVS port name |
| 117 | */ |
| 118 | public static String structurePortName(String portName) { |
| 119 | |
| 120 | // The size of OVS port name should not be larger than 15 |
| 121 | if (portName.length() > PORT_NAME_MAX_LENGTH) { |
| 122 | return StringUtils.substring(portName, 0, PORT_NAME_MAX_LENGTH); |
| 123 | } |
| 124 | |
| 125 | return portName; |
| 126 | } |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 127 | |
| 128 | /** |
| 129 | * Generates string format based on the given string length list. |
| 130 | * |
| 131 | * @param stringLengths a list of string lengths |
| 132 | * @return string format (e.g., %-28s%-15s%-24s%-20s%-15s) |
| 133 | */ |
| 134 | public static String genFormatString(List<Integer> stringLengths) { |
| 135 | StringBuilder fsb = new StringBuilder(); |
| 136 | stringLengths.forEach(length -> { |
| 137 | fsb.append("%-"); |
| 138 | fsb.append(length); |
| 139 | fsb.append("s"); |
| 140 | }); |
| 141 | return fsb.toString(); |
| 142 | } |
| 143 | |
| 144 | /** |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 145 | * Auto generates DPID from the given name. |
| 146 | * |
| 147 | * @param name name |
| 148 | * @return auto generated DPID |
| 149 | */ |
| 150 | public static String genDpidFromName(String name) { |
| 151 | if (name != null) { |
| 152 | String hexString = Integer.toHexString(name.hashCode()); |
| 153 | return OF_PREFIX + Strings.padStart(hexString, 16, '0'); |
| 154 | } |
| 155 | |
| 156 | return null; |
| 157 | } |
| 158 | |
| 159 | /** |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 160 | * Prints out the JSON string in pretty format. |
| 161 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 162 | * @param mapper Object mapper |
| 163 | * @param jsonString JSON string |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 164 | * @return pretty formatted JSON string |
| 165 | */ |
| 166 | public static String prettyJson(ObjectMapper mapper, String jsonString) { |
| 167 | try { |
| 168 | Object jsonObject = mapper.readValue(jsonString, Object.class); |
| 169 | return mapper.writerWithDefaultPrettyPrinter().writeValueAsString(jsonObject); |
| 170 | } catch (IOException e) { |
| 171 | log.debug("Json string parsing exception caused by {}", e); |
| 172 | } |
| 173 | return null; |
| 174 | } |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 175 | |
| 176 | /** |
| 177 | * Obtains valid IP addresses of the given subnet. |
| 178 | * |
| 179 | * @param cidr CIDR |
| 180 | * @return set of IP addresses |
| 181 | */ |
| 182 | public static Set<IpAddress> getSubnetIps(String cidr) { |
| 183 | SubnetUtils utils = new SubnetUtils(cidr); |
| 184 | utils.setInclusiveHostCount(false); |
| 185 | SubnetUtils.SubnetInfo info = utils.getInfo(); |
| 186 | Set<String> allAddresses = |
| 187 | new HashSet<>(Arrays.asList(info.getAllAddresses())); |
| 188 | |
| 189 | if (allAddresses.size() > 2) { |
| 190 | allAddresses.remove(info.getLowAddress()); |
| 191 | allAddresses.remove(info.getHighAddress()); |
| 192 | } |
| 193 | |
| 194 | return allAddresses.stream() |
| 195 | .map(IpAddress::valueOf).collect(Collectors.toSet()); |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Calculate the broadcast address from given IP address and subnet prefix length. |
| 200 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 201 | * @param ipAddr IP address |
| 202 | * @param prefixLength subnet prefix length |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 203 | * @return broadcast address |
| 204 | */ |
| 205 | public static String getBroadcastAddr(String ipAddr, int prefixLength) { |
| 206 | String subnet = ipAddr + "/" + prefixLength; |
| 207 | SubnetUtils utils = new SubnetUtils(subnet); |
| 208 | return utils.getInfo().getBroadcastAddress(); |
| 209 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 210 | |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 211 | /** |
| 212 | * Generates endpoint URL by referring to scheme, ipAddress and port. |
| 213 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 214 | * @param scheme scheme |
| 215 | * @param ipAddress IP address |
| 216 | * @param port port number |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 217 | * @return generated endpoint URL |
| 218 | */ |
| 219 | public static String endpoint(KubevirtApiConfig.Scheme scheme, IpAddress ipAddress, int port) { |
| 220 | StringBuilder endpoint = new StringBuilder(); |
| 221 | String protocol = org.apache.commons.lang3.StringUtils.lowerCase(scheme.name()); |
| 222 | |
| 223 | endpoint.append(protocol); |
| 224 | endpoint.append(COLON_SLASH); |
| 225 | endpoint.append(ipAddress.toString()); |
| 226 | endpoint.append(COLON); |
| 227 | endpoint.append(port); |
| 228 | |
| 229 | return endpoint.toString(); |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Generates endpoint URL by referring to scheme, ipAddress and port. |
| 234 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 235 | * @param apiConfig kubernetes API config |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 236 | * @return generated endpoint URL |
| 237 | */ |
| 238 | public static String endpoint(KubevirtApiConfig apiConfig) { |
| 239 | return endpoint(apiConfig.scheme(), apiConfig.ipAddress(), apiConfig.port()); |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Obtains workable kubernetes client. |
| 244 | * |
| 245 | * @param config kubernetes API config |
| 246 | * @return kubernetes client |
| 247 | */ |
| 248 | public static KubernetesClient k8sClient(KubevirtApiConfig config) { |
| 249 | if (config == null) { |
| 250 | log.warn("Kubernetes API server config is empty."); |
| 251 | return null; |
| 252 | } |
| 253 | |
| 254 | String endpoint = endpoint(config); |
| 255 | |
| 256 | ConfigBuilder configBuilder = new ConfigBuilder().withMasterUrl(endpoint); |
| 257 | |
| 258 | if (config.scheme() == KubevirtApiConfig.Scheme.HTTPS) { |
| 259 | configBuilder.withTrustCerts(true) |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 260 | .withCaCertData(config.caCertData()) |
| 261 | .withClientCertData(config.clientCertData()) |
| 262 | .withClientKeyData(config.clientKeyData()); |
| 263 | } |
| 264 | |
| 265 | return new DefaultKubernetesClient(configBuilder.build()); |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Obtains workable kubernetes client. |
| 270 | * |
| 271 | * @param service kubernetes API service |
| 272 | * @return kubernetes client |
| 273 | */ |
| 274 | public static KubernetesClient k8sClient(KubevirtApiConfigService service) { |
| 275 | KubevirtApiConfig config = service.apiConfig(); |
| 276 | if (config == null) { |
| 277 | log.error("Failed to find valid kubernetes API configuration."); |
| 278 | return null; |
| 279 | } |
| 280 | |
| 281 | KubernetesClient client = k8sClient(config); |
| 282 | |
| 283 | if (client == null) { |
| 284 | log.error("Failed to connect to kubernetes API server."); |
| 285 | return null; |
| 286 | } |
| 287 | |
| 288 | return client; |
| 289 | } |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 290 | |
| 291 | /** |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 292 | * Obtains the hex string of the given segment ID with fixed padding. |
| 293 | * |
| 294 | * @param segIdStr segment identifier string |
| 295 | * @return hex string with padding |
| 296 | */ |
| 297 | public static String segmentIdHex(String segIdStr) { |
| 298 | int segId = Integer.parseInt(segIdStr); |
| 299 | return String.format("%06x", segId).toLowerCase(); |
| 300 | } |
| 301 | |
| 302 | /** |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 303 | * Obtains the tunnel port number with the given network and node. |
| 304 | * |
| 305 | * @param network kubevirt network |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 306 | * @param node kubevirt node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 307 | * @return tunnel port number |
| 308 | */ |
| 309 | public static PortNumber tunnelPort(KubevirtNetwork network, KubevirtNode node) { |
| 310 | switch (network.type()) { |
| 311 | case VXLAN: |
| 312 | return node.vxlanPort(); |
| 313 | case GRE: |
| 314 | return node.grePort(); |
| 315 | case GENEVE: |
| 316 | return node.genevePort(); |
| 317 | default: |
| 318 | break; |
| 319 | } |
| 320 | return null; |
| 321 | } |
| 322 | |
| 323 | /** |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 324 | * Obtains the kubevirt port from kubevirt POD. |
| 325 | * |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 326 | * @param nodeService kubevirt node service |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 327 | * @param networks set of existing kubevirt networks |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 328 | * @param pod kubevirt POD |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 329 | * @return kubevirt ports attached to the POD |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 330 | */ |
Jian Li | b6dc08f | 2021-03-24 15:24:18 +0900 | [diff] [blame] | 331 | public static Set<KubevirtPort> getPorts(KubevirtNodeService nodeService, |
| 332 | Set<KubevirtNetwork> networks, Pod pod) { |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 333 | try { |
| 334 | Map<String, String> annots = pod.getMetadata().getAnnotations(); |
Jian Li | 6e66a30 | 2021-01-21 20:30:52 +0900 | [diff] [blame] | 335 | if (annots == null) { |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 336 | return ImmutableSet.of(); |
Jian Li | 6e66a30 | 2021-01-21 20:30:52 +0900 | [diff] [blame] | 337 | } |
| 338 | |
Jian Li | 7a581b1 | 2021-02-18 14:24:32 +0900 | [diff] [blame] | 339 | if (!annots.containsKey(NETWORK_STATUS_KEY)) { |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 340 | return ImmutableSet.of(); |
Jian Li | 7a581b1 | 2021-02-18 14:24:32 +0900 | [diff] [blame] | 341 | } |
| 342 | |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 343 | String networkStatusStr = annots.get(NETWORK_STATUS_KEY); |
| 344 | |
| 345 | if (networkStatusStr == null) { |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 346 | return ImmutableSet.of(); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 347 | } |
Jian Li | b6dc08f | 2021-03-24 15:24:18 +0900 | [diff] [blame] | 348 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 349 | KubevirtPort.Builder builder = DefaultKubevirtPort.builder(); |
| 350 | |
| 351 | KubevirtNode node = nodeService.node(pod.getSpec().getNodeName()); |
Jian Li | b6dc08f | 2021-03-24 15:24:18 +0900 | [diff] [blame] | 352 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 353 | if (node != null) { |
| 354 | builder.deviceId(node.intgBridge()); |
| 355 | } |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 356 | |
| 357 | JSONArray networkStatus = new JSONArray(networkStatusStr); |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 358 | Set<KubevirtPort> ports = new HashSet<>(); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 359 | |
| 360 | for (int i = 0; i < networkStatus.length(); i++) { |
| 361 | JSONObject object = networkStatus.getJSONObject(i); |
| 362 | String name = object.getString(NAME); |
| 363 | KubevirtNetwork network = networks.stream() |
Jian Li | 46592cf | 2021-05-11 18:12:55 +0900 | [diff] [blame^] | 364 | .filter(n -> (NETWORK_PREFIX + n.name()).equals(name) || (n.name()).equals(name)) |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 365 | .findAny().orElse(null); |
| 366 | if (network != null) { |
| 367 | String mac = object.getString(MAC); |
| 368 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 369 | builder.macAddress(MacAddress.valueOf(mac)) |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 370 | .networkId(network.networkId()); |
| 371 | |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 372 | ports.add(builder.build()); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 373 | } |
| 374 | } |
| 375 | |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 376 | return ports; |
| 377 | |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 378 | } catch (JSONException e) { |
| 379 | log.error("Failed to parse network status object", e); |
| 380 | } |
| 381 | |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 382 | return ImmutableSet.of(); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 383 | } |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 384 | |
| 385 | /** |
| 386 | * Obtains the tunnel bridge to tenant bridge patch port number. |
| 387 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 388 | * @param node kubevirt node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 389 | * @param network kubevirt network |
| 390 | * @return patch port number |
| 391 | */ |
| 392 | public static PortNumber tunnelToTenantPort(KubevirtNode node, KubevirtNetwork network) { |
| 393 | if (network.segmentId() == null) { |
| 394 | return null; |
| 395 | } |
| 396 | |
| 397 | if (node.tunBridge() == null) { |
| 398 | return null; |
| 399 | } |
| 400 | |
| 401 | String tunToTenantPortName = TUNNEL_TO_TENANT_PREFIX + segmentIdHex(network.segmentId()); |
| 402 | return portNumber(node.tunBridge(), tunToTenantPortName); |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * Obtains the tunnel port number of the given node. |
| 407 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 408 | * @param node kubevirt node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 409 | * @param network kubevirt network |
| 410 | * @return tunnel port number |
| 411 | */ |
| 412 | public static PortNumber tunnelPort(KubevirtNode node, KubevirtNetwork network) { |
| 413 | if (network.segmentId() == null) { |
| 414 | return null; |
| 415 | } |
| 416 | |
| 417 | if (node.tunBridge() == null) { |
| 418 | return null; |
| 419 | } |
| 420 | |
| 421 | switch (network.type()) { |
| 422 | case VXLAN: |
| 423 | return node.vxlanPort(); |
| 424 | case GRE: |
| 425 | return node.grePort(); |
| 426 | case GENEVE: |
| 427 | return node.genevePort(); |
| 428 | case FLAT: |
Jian Li | 2ce718e | 2021-02-17 20:42:15 +0900 | [diff] [blame] | 429 | case VLAN: |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 430 | default: |
| 431 | // do nothing |
| 432 | return null; |
| 433 | } |
| 434 | } |
| 435 | |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 436 | public static String parseResourceName(String resource) { |
| 437 | try { |
| 438 | JSONObject json = new JSONObject(resource); |
| 439 | return json.getJSONObject("metadata").getString("name"); |
| 440 | } catch (JSONException e) { |
| 441 | log.error(""); |
| 442 | } |
| 443 | return ""; |
| 444 | } |
| 445 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 446 | public static PortNumber portNumber(DeviceId deviceId, String portName) { |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 447 | DeviceService deviceService = DefaultServiceDirectory.getService(DeviceService.class); |
| 448 | Port port = deviceService.getPorts(deviceId).stream() |
| 449 | .filter(p -> p.isEnabled() && |
| 450 | Objects.equals(p.annotations().value(PORT_NAME), portName)) |
| 451 | .findAny().orElse(null); |
| 452 | return port != null ? port.number() : null; |
| 453 | } |
| 454 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 455 | /** |
| 456 | * Returns the gateway node for the specified kubevirt router. |
| 457 | * Among gateways, only one gateway would act as a gateway per perter. |
| 458 | * Currently gateway node is selected based on modulo operation with router hashcode. |
| 459 | * |
| 460 | * @param nodeService kubevirt node service |
| 461 | * @param router kubevirt router |
| 462 | * @return elected gateway node |
| 463 | */ |
| 464 | public static KubevirtNode gatewayNodeForSpecifiedRouter(KubevirtNodeService nodeService, |
| 465 | KubevirtRouter router) { |
| 466 | //TODO: enhance election logic for a better load balancing |
| 467 | |
| 468 | int numOfGateways = nodeService.completeNodes(GATEWAY).size(); |
| 469 | if (numOfGateways == 0) { |
| 470 | return null; |
| 471 | } |
| 472 | return (KubevirtNode) nodeService.completeNodes(GATEWAY).toArray()[router.hashCode() % numOfGateways]; |
| 473 | } |
| 474 | |
| 475 | /** |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 476 | * Returns the mac address of the router. |
| 477 | * |
| 478 | * @param router kubevirt router |
| 479 | * @return macc address of the router |
| 480 | */ |
| 481 | public static MacAddress getRouterMacAddress(KubevirtRouter router) { |
| 482 | if (router.mac() == null) { |
| 483 | log.warn("Failed to get mac address of router {}", router.name()); |
| 484 | } |
| 485 | |
| 486 | return router.mac(); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | /** |
| 490 | * Returns the snat ip address with specified router. |
| 491 | * |
| 492 | * @param routerService router service |
| 493 | * @param internalNetworkId internal network id which is associated with the router |
| 494 | * @return snat ip address if exist, null otherwise |
| 495 | */ |
| 496 | public static IpAddress getRouterSnatIpAddress(KubevirtRouterService routerService, |
| 497 | String internalNetworkId) { |
| 498 | KubevirtRouter router = routerService.routers().stream() |
| 499 | .filter(r -> r.internal().contains(internalNetworkId)) |
| 500 | .findAny().orElse(null); |
| 501 | |
| 502 | if (router == null) { |
| 503 | return null; |
| 504 | } |
| 505 | |
| 506 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 507 | |
| 508 | if (routerSnatIp == null) { |
| 509 | return null; |
| 510 | } |
| 511 | |
| 512 | return Ip4Address.valueOf(routerSnatIp); |
| 513 | } |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 514 | |
| 515 | /** |
| 516 | * Returns the kubevirt router with specified kubevirt port. |
| 517 | * |
| 518 | * @param routerService kubevirt router service |
| 519 | * @param kubevirtPort kubevirt port |
| 520 | * @return kubevirt router |
| 521 | */ |
| 522 | public static KubevirtRouter getRouterForKubevirtPort(KubevirtRouterService routerService, |
| 523 | KubevirtPort kubevirtPort) { |
| 524 | if (kubevirtPort.ipAddress() != null) { |
| 525 | return routerService.routers().stream() |
| 526 | .filter(r -> r.internal().contains(kubevirtPort.networkId())) |
| 527 | .findAny().orElse(null); |
| 528 | } |
| 529 | return null; |
| 530 | } |
| 531 | |
| 532 | /** |
| 533 | * Returns the kubevirt router with specified kubevirt network. |
| 534 | * |
| 535 | * @param routerService kubevirt router service |
| 536 | * @param kubevirtNetwork kubevirt network |
| 537 | * @return kubevirt router |
| 538 | */ |
| 539 | public static KubevirtRouter getRouterForKubevirtNetwork(KubevirtRouterService routerService, |
| 540 | KubevirtNetwork kubevirtNetwork) { |
| 541 | return routerService.routers().stream() |
| 542 | .filter(router -> router.internal().contains(kubevirtNetwork.networkId())) |
| 543 | .findAny().orElse(null); |
| 544 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 545 | |
| 546 | /** |
| 547 | * Returns the external patch port number with specified gateway. |
| 548 | * |
| 549 | * @param deviceService device service |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 550 | * @param gatewayNode gateway node |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 551 | * @return external patch port number |
| 552 | */ |
| 553 | public static PortNumber externalPatchPortNum(DeviceService deviceService, KubevirtNode gatewayNode) { |
Jian Li | 63f191f | 2021-03-25 17:14:40 +0900 | [diff] [blame] | 554 | String gatewayBridgeName = gatewayNode.gatewayBridgeName(); |
| 555 | if (gatewayBridgeName == null) { |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 556 | log.warn("No external interface is attached to gateway {}", gatewayNode.hostname()); |
| 557 | return null; |
| 558 | } |
| 559 | |
Jian Li | 63f191f | 2021-03-25 17:14:40 +0900 | [diff] [blame] | 560 | String patchPortName = "int-to-" + gatewayBridgeName; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 561 | Port port = deviceService.getPorts(gatewayNode.intgBridge()).stream() |
| 562 | .filter(p -> p.isEnabled() && |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 563 | Objects.equals(p.annotations().value(PORT_NAME), patchPortName)) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 564 | .findAny().orElse(null); |
| 565 | |
| 566 | return port != null ? port.number() : null; |
| 567 | } |
| 568 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 569 | /** |
| 570 | * Returns the kubevirt external network with specified router. |
| 571 | * |
| 572 | * @param networkService kubevirt network service |
| 573 | * @param router kubevirt router |
| 574 | * @return external network |
| 575 | */ |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 576 | public static KubevirtNetwork getExternalNetworkByRouter(KubevirtNetworkService networkService, |
| 577 | KubevirtRouter router) { |
| 578 | String networkId = router.external().values().stream().findAny().orElse(null); |
| 579 | if (networkId == null) { |
| 580 | return null; |
| 581 | } |
| 582 | |
| 583 | return networkService.network(networkId); |
| 584 | } |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 585 | |
Jian Li | 94b6d16 | 2021-04-15 17:09:11 +0900 | [diff] [blame] | 586 | /** |
| 587 | * Resolve a DNS with the given DNS server and hostname. |
| 588 | * |
| 589 | * @param hostname hostname to be resolved |
| 590 | * @return resolved IP address |
| 591 | */ |
| 592 | public static IpAddress resolveHostname(String hostname) { |
| 593 | try { |
| 594 | InetAddress addr = Address.getByName(hostname); |
| 595 | return IpAddress.valueOf(IpAddress.Version.INET, addr.getAddress()); |
| 596 | } catch (UnknownHostException e) { |
| 597 | log.warn("Failed to resolve IP address of host {}", hostname); |
| 598 | } |
| 599 | return null; |
| 600 | } |
| 601 | |
| 602 | /** |
| 603 | * Builds a GARP packet using the given source MAC and source IP address. |
| 604 | * |
| 605 | * @param srcMac source MAC address |
| 606 | * @param srcIp source IP address |
| 607 | * @return GARP packet |
| 608 | */ |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 609 | public static Ethernet buildGarpPacket(MacAddress srcMac, IpAddress srcIp) { |
| 610 | if (srcMac == null || srcIp == null) { |
| 611 | return null; |
| 612 | } |
| 613 | |
| 614 | Ethernet ethernet = new Ethernet(); |
| 615 | ethernet.setDestinationMACAddress(MacAddress.BROADCAST); |
| 616 | ethernet.setSourceMACAddress(srcMac); |
| 617 | ethernet.setEtherType(Ethernet.TYPE_ARP); |
| 618 | |
| 619 | ARP arp = new ARP(); |
| 620 | arp.setOpCode(ARP.OP_REPLY); |
| 621 | arp.setProtocolType(ARP.PROTO_TYPE_IP); |
| 622 | arp.setHardwareType(ARP.HW_TYPE_ETHERNET); |
| 623 | |
| 624 | arp.setProtocolAddressLength((byte) Ip4Address.BYTE_LENGTH); |
| 625 | arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH); |
| 626 | |
| 627 | arp.setSenderHardwareAddress(srcMac.toBytes()); |
| 628 | arp.setTargetHardwareAddress(MacAddress.BROADCAST.toBytes()); |
| 629 | |
| 630 | arp.setSenderProtocolAddress(srcIp.toOctets()); |
| 631 | arp.setTargetProtocolAddress(srcIp.toOctets()); |
| 632 | |
| 633 | ethernet.setPayload(arp); |
| 634 | |
| 635 | return ethernet; |
| 636 | } |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 637 | } |