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 | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 18 | import com.eclipsesource.json.JsonArray; |
Andrea Campanella | 775e5f8 | 2022-06-09 08:11:25 -0700 | [diff] [blame] | 19 | import com.eclipsesource.json.JsonObject; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 20 | import com.fasterxml.jackson.core.JsonProcessingException; |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 21 | import com.fasterxml.jackson.databind.JsonNode; |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 22 | import com.fasterxml.jackson.databind.ObjectMapper; |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 23 | import com.fasterxml.jackson.databind.node.ArrayNode; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 24 | import com.google.common.base.Strings; |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 25 | import com.google.common.collect.ImmutableSet; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 26 | import io.fabric8.kubernetes.api.model.Node; |
| 27 | import io.fabric8.kubernetes.api.model.NodeAddress; |
| 28 | import io.fabric8.kubernetes.api.model.NodeSpec; |
| 29 | import io.fabric8.kubernetes.api.model.Taint; |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 30 | import io.fabric8.kubernetes.client.ConfigBuilder; |
| 31 | import io.fabric8.kubernetes.client.DefaultKubernetesClient; |
| 32 | import io.fabric8.kubernetes.client.KubernetesClient; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 33 | import org.apache.commons.lang.StringUtils; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 34 | import org.apache.commons.net.util.SubnetUtils; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 35 | import org.onlab.packet.ARP; |
| 36 | import org.onlab.packet.Ethernet; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 37 | import org.onlab.packet.Ip4Address; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 38 | import org.onlab.packet.IpAddress; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 39 | import org.onlab.packet.IpPrefix; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 40 | import org.onlab.packet.MacAddress; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 41 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 42 | import org.onosproject.kubevirtnetworking.api.DefaultKubevirtNetwork; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 43 | import org.onosproject.kubevirtnetworking.api.DefaultKubevirtPort; |
Daniel Park | 734b553 | 2022-09-26 15:13:59 +0900 | [diff] [blame^] | 44 | import org.onosproject.kubevirtnetworking.api.KubernetesExternalLb; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 45 | import org.onosproject.kubevirtnetworking.api.KubevirtHostRoute; |
| 46 | import org.onosproject.kubevirtnetworking.api.KubevirtIpPool; |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 47 | import org.onosproject.kubevirtnetworking.api.KubevirtLoadBalancer; |
| 48 | import org.onosproject.kubevirtnetworking.api.KubevirtLoadBalancerService; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 49 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 50 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 51 | import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 52 | import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| 53 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 54 | import org.onosproject.kubevirtnode.api.DefaultKubevirtNode; |
| 55 | import org.onosproject.kubevirtnode.api.DefaultKubevirtPhyInterface; |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 56 | import org.onosproject.kubevirtnode.api.KubevirtApiConfig; |
| 57 | import org.onosproject.kubevirtnode.api.KubevirtApiConfigService; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 58 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 59 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 60 | import org.onosproject.kubevirtnode.api.KubevirtNodeState; |
| 61 | import org.onosproject.kubevirtnode.api.KubevirtPhyInterface; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 62 | import org.onosproject.net.DeviceId; |
| 63 | import org.onosproject.net.Port; |
| 64 | import org.onosproject.net.PortNumber; |
| 65 | import org.onosproject.net.device.DeviceService; |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 66 | import org.onosproject.net.group.DefaultGroupKey; |
| 67 | import org.onosproject.net.group.GroupKey; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 68 | import org.slf4j.Logger; |
| 69 | import org.slf4j.LoggerFactory; |
Jian Li | 94b6d16 | 2021-04-15 17:09:11 +0900 | [diff] [blame] | 70 | import org.xbill.DNS.Address; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 71 | |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 72 | import java.io.IOException; |
Jian Li | 94b6d16 | 2021-04-15 17:09:11 +0900 | [diff] [blame] | 73 | import java.net.InetAddress; |
| 74 | import java.net.UnknownHostException; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 75 | import java.util.Arrays; |
| 76 | import java.util.HashSet; |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 77 | import java.util.List; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 78 | import java.util.Locale; |
| 79 | import java.util.Map; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 80 | import java.util.Objects; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 81 | import java.util.Optional; |
| 82 | import java.util.Set; |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 83 | import java.util.stream.Collectors; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 84 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 85 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_TO_TENANT_PREFIX; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 86 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.FLAT; |
| 87 | import static org.onosproject.kubevirtnode.api.Constants.SONA_PROJECT_DOMAIN; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 88 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.GATEWAY; |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 89 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.MASTER; |
| 90 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.OTHER; |
| 91 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.WORKER; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 92 | import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| 93 | |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 94 | /** |
| 95 | * An utility that used in KubeVirt networking app. |
| 96 | */ |
| 97 | public final class KubevirtNetworkingUtil { |
| 98 | |
| 99 | private static final Logger log = LoggerFactory.getLogger(KubevirtNetworkingUtil.class); |
| 100 | |
| 101 | private static final int PORT_NAME_MAX_LENGTH = 15; |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 102 | private static final String COLON_SLASH = "://"; |
| 103 | private static final String COLON = ":"; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 104 | private static final String OF_PREFIX = "of:"; |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 105 | |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 106 | private static final String NETWORK_STATUS_KEY = "k8s.v1.cni.cncf.io/network-status"; |
| 107 | private static final String NAME = "name"; |
| 108 | private static final String NETWORK_PREFIX = "default/"; |
| 109 | private static final String MAC = "mac"; |
| 110 | private static final String IPS = "ips"; |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 111 | private static final String BR_INT = "br-int"; |
Jian Li | 9557e90 | 2021-06-08 10:12:52 +0900 | [diff] [blame] | 112 | private static final String METADATA = "metadata"; |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 113 | private static final String STATUS = "status"; |
| 114 | private static final String INTERFACES = "interfaces"; |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 115 | private static final String NODE_NAME = "nodeName"; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 116 | |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 117 | private static final String NETWORK_CONFIG = "network-config"; |
| 118 | private static final String TYPE = "type"; |
| 119 | private static final String MTU = "mtu"; |
| 120 | private static final String SEGMENT_ID = "segmentId"; |
| 121 | private static final String GATEWAY_IP = "gatewayIp"; |
| 122 | private static final String DEFAULT_ROUTE = "defaultRoute"; |
| 123 | private static final String CIDR = "cidr"; |
| 124 | private static final String HOST_ROUTES = "hostRoutes"; |
| 125 | private static final String DESTINATION = "destination"; |
| 126 | private static final String NEXTHOP = "nexthop"; |
| 127 | private static final String IP_POOL = "ipPool"; |
| 128 | private static final String START = "start"; |
| 129 | private static final String END = "end"; |
| 130 | private static final String DNSES = "dnses"; |
| 131 | |
| 132 | private static final String INTERNAL_IP = "InternalIP"; |
| 133 | private static final String K8S_ROLE = "node-role.kubernetes.io"; |
| 134 | private static final String PHYSNET_CONFIG_KEY = SONA_PROJECT_DOMAIN + "/physnet-config"; |
| 135 | private static final String DATA_IP_KEY = SONA_PROJECT_DOMAIN + "/data-ip"; |
| 136 | private static final String GATEWAY_CONFIG_KEY = SONA_PROJECT_DOMAIN + "/gateway-config"; |
| 137 | private static final String GATEWAY_BRIDGE_NAME = "gatewayBridgeName"; |
| 138 | private static final String NETWORK_KEY = "network"; |
| 139 | private static final String INTERFACE_KEY = "interface"; |
| 140 | private static final String PHYS_BRIDGE_ID = "physBridgeId"; |
| 141 | |
| 142 | private static final String NO_SCHEDULE_EFFECT = "NoSchedule"; |
| 143 | private static final String KUBEVIRT_IO_KEY = "kubevirt.io/drain"; |
| 144 | private static final String DRAINING_VALUE = "draining"; |
| 145 | |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 146 | /** |
| 147 | * Prevents object installation from external. |
| 148 | */ |
| 149 | private KubevirtNetworkingUtil() { |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Obtains the boolean property value with specified property key name. |
| 154 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 155 | * @param properties a collection of properties |
| 156 | * @param name key name |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 157 | * @return mapping value |
| 158 | */ |
| 159 | public static boolean getPropertyValueAsBoolean(Set<ConfigProperty> properties, |
| 160 | String name) { |
| 161 | Optional<ConfigProperty> property = |
| 162 | properties.stream().filter(p -> p.name().equals(name)).findFirst(); |
| 163 | |
| 164 | return property.map(ConfigProperty::asBoolean).orElse(false); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Re-structures the OVS port name. |
| 169 | * The length of OVS port name should be not large than 15. |
| 170 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 171 | * @param portName original port name |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 172 | * @return re-structured OVS port name |
| 173 | */ |
| 174 | public static String structurePortName(String portName) { |
| 175 | |
| 176 | // The size of OVS port name should not be larger than 15 |
| 177 | if (portName.length() > PORT_NAME_MAX_LENGTH) { |
| 178 | return StringUtils.substring(portName, 0, PORT_NAME_MAX_LENGTH); |
| 179 | } |
| 180 | |
| 181 | return portName; |
| 182 | } |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 183 | |
| 184 | /** |
| 185 | * Generates string format based on the given string length list. |
| 186 | * |
| 187 | * @param stringLengths a list of string lengths |
| 188 | * @return string format (e.g., %-28s%-15s%-24s%-20s%-15s) |
| 189 | */ |
| 190 | public static String genFormatString(List<Integer> stringLengths) { |
| 191 | StringBuilder fsb = new StringBuilder(); |
| 192 | stringLengths.forEach(length -> { |
| 193 | fsb.append("%-"); |
| 194 | fsb.append(length); |
| 195 | fsb.append("s"); |
| 196 | }); |
| 197 | return fsb.toString(); |
| 198 | } |
| 199 | |
| 200 | /** |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 201 | * Auto generates DPID from the given name. |
| 202 | * |
| 203 | * @param name name |
| 204 | * @return auto generated DPID |
| 205 | */ |
| 206 | public static String genDpidFromName(String name) { |
| 207 | if (name != null) { |
| 208 | String hexString = Integer.toHexString(name.hashCode()); |
| 209 | return OF_PREFIX + Strings.padStart(hexString, 16, '0'); |
| 210 | } |
| 211 | |
| 212 | return null; |
| 213 | } |
| 214 | |
| 215 | /** |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 216 | * Prints out the JSON string in pretty format. |
| 217 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 218 | * @param mapper Object mapper |
| 219 | * @param jsonString JSON string |
Jian Li | f97a07e | 2021-01-13 18:05:00 +0900 | [diff] [blame] | 220 | * @return pretty formatted JSON string |
| 221 | */ |
| 222 | public static String prettyJson(ObjectMapper mapper, String jsonString) { |
| 223 | try { |
| 224 | Object jsonObject = mapper.readValue(jsonString, Object.class); |
| 225 | return mapper.writerWithDefaultPrettyPrinter().writeValueAsString(jsonObject); |
| 226 | } catch (IOException e) { |
| 227 | log.debug("Json string parsing exception caused by {}", e); |
| 228 | } |
| 229 | return null; |
| 230 | } |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 231 | |
| 232 | /** |
| 233 | * Obtains valid IP addresses of the given subnet. |
| 234 | * |
| 235 | * @param cidr CIDR |
| 236 | * @return set of IP addresses |
| 237 | */ |
| 238 | public static Set<IpAddress> getSubnetIps(String cidr) { |
| 239 | SubnetUtils utils = new SubnetUtils(cidr); |
| 240 | utils.setInclusiveHostCount(false); |
| 241 | SubnetUtils.SubnetInfo info = utils.getInfo(); |
| 242 | Set<String> allAddresses = |
| 243 | new HashSet<>(Arrays.asList(info.getAllAddresses())); |
| 244 | |
| 245 | if (allAddresses.size() > 2) { |
| 246 | allAddresses.remove(info.getLowAddress()); |
| 247 | allAddresses.remove(info.getHighAddress()); |
| 248 | } |
| 249 | |
| 250 | return allAddresses.stream() |
| 251 | .map(IpAddress::valueOf).collect(Collectors.toSet()); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Calculate the broadcast address from given IP address and subnet prefix length. |
| 256 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 257 | * @param ipAddr IP address |
| 258 | * @param prefixLength subnet prefix length |
Jian Li | 3ba5c58 | 2021-01-14 11:30:36 +0900 | [diff] [blame] | 259 | * @return broadcast address |
| 260 | */ |
| 261 | public static String getBroadcastAddr(String ipAddr, int prefixLength) { |
| 262 | String subnet = ipAddr + "/" + prefixLength; |
| 263 | SubnetUtils utils = new SubnetUtils(subnet); |
| 264 | return utils.getInfo().getBroadcastAddress(); |
| 265 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 266 | |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 267 | /** |
| 268 | * Generates endpoint URL by referring to scheme, ipAddress and port. |
| 269 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 270 | * @param scheme scheme |
| 271 | * @param ipAddress IP address |
| 272 | * @param port port number |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 273 | * @return generated endpoint URL |
| 274 | */ |
| 275 | public static String endpoint(KubevirtApiConfig.Scheme scheme, IpAddress ipAddress, int port) { |
| 276 | StringBuilder endpoint = new StringBuilder(); |
| 277 | String protocol = org.apache.commons.lang3.StringUtils.lowerCase(scheme.name()); |
| 278 | |
| 279 | endpoint.append(protocol); |
| 280 | endpoint.append(COLON_SLASH); |
| 281 | endpoint.append(ipAddress.toString()); |
| 282 | endpoint.append(COLON); |
| 283 | endpoint.append(port); |
| 284 | |
| 285 | return endpoint.toString(); |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Generates endpoint URL by referring to scheme, ipAddress and port. |
| 290 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 291 | * @param apiConfig kubernetes API config |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 292 | * @return generated endpoint URL |
| 293 | */ |
| 294 | public static String endpoint(KubevirtApiConfig apiConfig) { |
| 295 | return endpoint(apiConfig.scheme(), apiConfig.ipAddress(), apiConfig.port()); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Obtains workable kubernetes client. |
| 300 | * |
| 301 | * @param config kubernetes API config |
| 302 | * @return kubernetes client |
| 303 | */ |
| 304 | public static KubernetesClient k8sClient(KubevirtApiConfig config) { |
| 305 | if (config == null) { |
| 306 | log.warn("Kubernetes API server config is empty."); |
| 307 | return null; |
| 308 | } |
| 309 | |
| 310 | String endpoint = endpoint(config); |
| 311 | |
| 312 | ConfigBuilder configBuilder = new ConfigBuilder().withMasterUrl(endpoint); |
| 313 | |
| 314 | if (config.scheme() == KubevirtApiConfig.Scheme.HTTPS) { |
| 315 | configBuilder.withTrustCerts(true) |
Jian Li | 034820d | 2021-01-15 16:58:48 +0900 | [diff] [blame] | 316 | .withCaCertData(config.caCertData()) |
| 317 | .withClientCertData(config.clientCertData()) |
| 318 | .withClientKeyData(config.clientKeyData()); |
| 319 | } |
| 320 | |
| 321 | return new DefaultKubernetesClient(configBuilder.build()); |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Obtains workable kubernetes client. |
| 326 | * |
| 327 | * @param service kubernetes API service |
| 328 | * @return kubernetes client |
| 329 | */ |
| 330 | public static KubernetesClient k8sClient(KubevirtApiConfigService service) { |
| 331 | KubevirtApiConfig config = service.apiConfig(); |
| 332 | if (config == null) { |
| 333 | log.error("Failed to find valid kubernetes API configuration."); |
| 334 | return null; |
| 335 | } |
| 336 | |
| 337 | KubernetesClient client = k8sClient(config); |
| 338 | |
| 339 | if (client == null) { |
| 340 | log.error("Failed to connect to kubernetes API server."); |
| 341 | return null; |
| 342 | } |
| 343 | |
| 344 | return client; |
| 345 | } |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 346 | |
| 347 | /** |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 348 | * Obtains the hex string of the given segment ID with fixed padding. |
| 349 | * |
| 350 | * @param segIdStr segment identifier string |
| 351 | * @return hex string with padding |
| 352 | */ |
| 353 | public static String segmentIdHex(String segIdStr) { |
| 354 | int segId = Integer.parseInt(segIdStr); |
| 355 | return String.format("%06x", segId).toLowerCase(); |
| 356 | } |
| 357 | |
| 358 | /** |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 359 | * Obtains the tunnel port number with the given network and node. |
| 360 | * |
| 361 | * @param network kubevirt network |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 362 | * @param node kubevirt node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 363 | * @return tunnel port number |
| 364 | */ |
| 365 | public static PortNumber tunnelPort(KubevirtNetwork network, KubevirtNode node) { |
| 366 | switch (network.type()) { |
| 367 | case VXLAN: |
| 368 | return node.vxlanPort(); |
| 369 | case GRE: |
| 370 | return node.grePort(); |
| 371 | case GENEVE: |
| 372 | return node.genevePort(); |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 373 | case STT: |
| 374 | return node.sttPort(); |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 375 | default: |
| 376 | break; |
| 377 | } |
| 378 | return null; |
| 379 | } |
| 380 | |
| 381 | /** |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 382 | * Obtains the kubevirt port from kubevirt VMI. |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 383 | * |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 384 | * @param nodeService kubevirt node service |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 385 | * @param networks set of existing kubevirt networks |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 386 | * @param resource VMI definition |
| 387 | * @return kubevirt ports attached to the VMI |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 388 | */ |
Jian Li | b6dc08f | 2021-03-24 15:24:18 +0900 | [diff] [blame] | 389 | public static Set<KubevirtPort> getPorts(KubevirtNodeService nodeService, |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 390 | Set<KubevirtNetwork> networks, |
| 391 | String resource) { |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 392 | try { |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 393 | ObjectMapper mapper = new ObjectMapper(); |
| 394 | JsonNode json = mapper.readTree(resource); |
| 395 | JsonNode statusJson = json.get(STATUS); |
| 396 | ArrayNode interfacesJson = (ArrayNode) statusJson.get(INTERFACES); |
Jian Li | 9557e90 | 2021-06-08 10:12:52 +0900 | [diff] [blame] | 397 | String vmName = parseResourceName(resource); |
Jian Li | b6dc08f | 2021-03-24 15:24:18 +0900 | [diff] [blame] | 398 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 399 | KubevirtPort.Builder builder = DefaultKubevirtPort.builder(); |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 400 | String nodeName = parseVmiNodeName(resource); |
| 401 | if (nodeName != null && nodeService.node(nodeName) != null) { |
| 402 | builder.deviceId(nodeService.node(nodeName).intgBridge()); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 403 | } |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 404 | |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 405 | if (interfacesJson == null) { |
| 406 | return ImmutableSet.of(); |
| 407 | } |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 408 | |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 409 | Set<KubevirtPort> ports = new HashSet<>(); |
| 410 | for (JsonNode interfaceJson : interfacesJson) { |
Jian Li | 56f241b | 2021-06-30 20:59:43 +0900 | [diff] [blame] | 411 | JsonNode jsonName = interfaceJson.get(NAME); |
| 412 | |
| 413 | // in some cases, name attribute may not be available from the |
| 414 | // interface, we skip inspect this interface |
| 415 | if (jsonName == null) { |
| 416 | continue; |
| 417 | } |
| 418 | |
| 419 | String name = jsonName.asText(); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 420 | KubevirtNetwork network = networks.stream() |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 421 | .filter(n -> (NETWORK_PREFIX + n.name()).equals(name) || |
| 422 | (n.name() + "-net").equals(name)) |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 423 | .findAny().orElse(null); |
| 424 | if (network != null) { |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 425 | // FIXME: we do not update IP address, as learning IP address |
| 426 | // requires much more time due to the lag from VM agent |
| 427 | String mac = interfaceJson.get(MAC).asText(); |
Jian Li | 9557e90 | 2021-06-08 10:12:52 +0900 | [diff] [blame] | 428 | builder.vmName(vmName) |
| 429 | .macAddress(MacAddress.valueOf(mac)) |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 430 | .networkId(network.networkId()); |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 431 | ports.add(builder.build()); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 432 | } |
| 433 | } |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 434 | return ports; |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 435 | } catch (IOException e) { |
| 436 | log.error("Failed to parse port info from VMI object", e); |
| 437 | } |
| 438 | return ImmutableSet.of(); |
| 439 | } |
Jian Li | d4296d0 | 2021-03-12 18:03:58 +0900 | [diff] [blame] | 440 | |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 441 | public static String parseVmiNodeName(String resource) { |
| 442 | String nodeName = null; |
| 443 | try { |
| 444 | ObjectMapper mapper = new ObjectMapper(); |
| 445 | JsonNode json = mapper.readTree(resource); |
| 446 | JsonNode statusJson = json.get(STATUS); |
| 447 | JsonNode nodeNameJson = statusJson.get(NODE_NAME); |
| 448 | nodeName = nodeNameJson != null ? nodeNameJson.asText() : null; |
| 449 | } catch (IOException e) { |
| 450 | log.error("Failed to parse kubevirt VMI nodename"); |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 451 | } |
| 452 | |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 453 | return nodeName; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 454 | } |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 455 | |
| 456 | /** |
| 457 | * Obtains the tunnel bridge to tenant bridge patch port number. |
| 458 | * |
Jian Li | 34fff80 | 2021-07-01 10:04:04 +0900 | [diff] [blame] | 459 | * @param deviceService device service |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 460 | * @param node kubevirt node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 461 | * @param network kubevirt network |
| 462 | * @return patch port number |
| 463 | */ |
Jian Li | 34fff80 | 2021-07-01 10:04:04 +0900 | [diff] [blame] | 464 | public static PortNumber tunnelToTenantPort(DeviceService deviceService, |
| 465 | KubevirtNode node, KubevirtNetwork network) { |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 466 | if (network.segmentId() == null) { |
| 467 | return null; |
| 468 | } |
| 469 | |
| 470 | if (node.tunBridge() == null) { |
| 471 | return null; |
| 472 | } |
| 473 | |
| 474 | String tunToTenantPortName = TUNNEL_TO_TENANT_PREFIX + segmentIdHex(network.segmentId()); |
Jian Li | 34fff80 | 2021-07-01 10:04:04 +0900 | [diff] [blame] | 475 | return portNumber(deviceService, node.tunBridge(), tunToTenantPortName); |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Obtains the tunnel port number of the given node. |
| 480 | * |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 481 | * @param node kubevirt node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 482 | * @param network kubevirt network |
| 483 | * @return tunnel port number |
| 484 | */ |
| 485 | public static PortNumber tunnelPort(KubevirtNode node, KubevirtNetwork network) { |
| 486 | if (network.segmentId() == null) { |
| 487 | return null; |
| 488 | } |
| 489 | |
| 490 | if (node.tunBridge() == null) { |
| 491 | return null; |
| 492 | } |
| 493 | |
| 494 | switch (network.type()) { |
| 495 | case VXLAN: |
| 496 | return node.vxlanPort(); |
| 497 | case GRE: |
| 498 | return node.grePort(); |
| 499 | case GENEVE: |
| 500 | return node.genevePort(); |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 501 | case STT: |
| 502 | return node.sttPort(); |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 503 | case FLAT: |
Jian Li | 2ce718e | 2021-02-17 20:42:15 +0900 | [diff] [blame] | 504 | case VLAN: |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 505 | default: |
| 506 | // do nothing |
| 507 | return null; |
| 508 | } |
| 509 | } |
| 510 | |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 511 | public static String parseResourceName(String resource) { |
Andrea Campanella | 775e5f8 | 2022-06-09 08:11:25 -0700 | [diff] [blame] | 512 | JsonObject json = JsonObject.readFrom(resource); |
| 513 | JsonObject metadata = json.get("metadata").asObject(); |
| 514 | return metadata != null ? metadata.get("name").asString() : ""; |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 515 | } |
| 516 | |
Jian Li | 34fff80 | 2021-07-01 10:04:04 +0900 | [diff] [blame] | 517 | public static PortNumber portNumber(DeviceService deviceService, DeviceId deviceId, String portName) { |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 518 | Port port = deviceService.getPorts(deviceId).stream() |
| 519 | .filter(p -> p.isEnabled() && |
| 520 | Objects.equals(p.annotations().value(PORT_NAME), portName)) |
| 521 | .findAny().orElse(null); |
| 522 | return port != null ? port.number() : null; |
| 523 | } |
| 524 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 525 | /** |
| 526 | * Returns the gateway node for the specified kubevirt router. |
| 527 | * Among gateways, only one gateway would act as a gateway per perter. |
| 528 | * Currently gateway node is selected based on modulo operation with router hashcode. |
| 529 | * |
| 530 | * @param nodeService kubevirt node service |
| 531 | * @param router kubevirt router |
| 532 | * @return elected gateway node |
| 533 | */ |
| 534 | public static KubevirtNode gatewayNodeForSpecifiedRouter(KubevirtNodeService nodeService, |
| 535 | KubevirtRouter router) { |
| 536 | //TODO: enhance election logic for a better load balancing |
| 537 | |
| 538 | int numOfGateways = nodeService.completeNodes(GATEWAY).size(); |
| 539 | if (numOfGateways == 0) { |
| 540 | return null; |
| 541 | } |
| 542 | return (KubevirtNode) nodeService.completeNodes(GATEWAY).toArray()[router.hashCode() % numOfGateways]; |
| 543 | } |
| 544 | |
| 545 | /** |
Daniel Park | 734b553 | 2022-09-26 15:13:59 +0900 | [diff] [blame^] | 546 | * Returns the gateway node for the specified kubernetes external lb. |
| 547 | * Among gateways, only one gateway would act as a gateway per external lb. |
| 548 | * Currently gateway node is selected based on modulo operation with router hashcode. |
| 549 | * |
| 550 | * @param nodeService kubevirt node service |
| 551 | * @param externalLb kubernetes external lb |
| 552 | * @return elected gateway node |
| 553 | */ |
| 554 | public static KubevirtNode gatewayNodeForSpecifiedService(KubevirtNodeService nodeService, |
| 555 | KubernetesExternalLb externalLb) { |
| 556 | //TODO: enhance election logic for a better load balancing |
| 557 | |
| 558 | int numOfGateways = nodeService.completeNodes(GATEWAY).size(); |
| 559 | if (numOfGateways == 0) { |
| 560 | return null; |
| 561 | } |
| 562 | |
| 563 | return (KubevirtNode) nodeService.completeNodes(GATEWAY) |
| 564 | .toArray()[externalLb.hashCode() % numOfGateways]; |
| 565 | } |
| 566 | |
| 567 | /** |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 568 | * Returns the mac address of the router. |
| 569 | * |
| 570 | * @param router kubevirt router |
| 571 | * @return macc address of the router |
| 572 | */ |
| 573 | public static MacAddress getRouterMacAddress(KubevirtRouter router) { |
| 574 | if (router.mac() == null) { |
| 575 | log.warn("Failed to get mac address of router {}", router.name()); |
| 576 | } |
| 577 | |
| 578 | return router.mac(); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | /** |
| 582 | * Returns the snat ip address with specified router. |
| 583 | * |
| 584 | * @param routerService router service |
| 585 | * @param internalNetworkId internal network id which is associated with the router |
| 586 | * @return snat ip address if exist, null otherwise |
| 587 | */ |
| 588 | public static IpAddress getRouterSnatIpAddress(KubevirtRouterService routerService, |
| 589 | String internalNetworkId) { |
| 590 | KubevirtRouter router = routerService.routers().stream() |
| 591 | .filter(r -> r.internal().contains(internalNetworkId)) |
| 592 | .findAny().orElse(null); |
| 593 | |
| 594 | if (router == null) { |
| 595 | return null; |
| 596 | } |
| 597 | |
| 598 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 599 | |
| 600 | if (routerSnatIp == null) { |
| 601 | return null; |
| 602 | } |
| 603 | |
| 604 | return Ip4Address.valueOf(routerSnatIp); |
| 605 | } |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 606 | |
| 607 | /** |
| 608 | * Returns the kubevirt router with specified kubevirt port. |
| 609 | * |
| 610 | * @param routerService kubevirt router service |
| 611 | * @param kubevirtPort kubevirt port |
| 612 | * @return kubevirt router |
| 613 | */ |
| 614 | public static KubevirtRouter getRouterForKubevirtPort(KubevirtRouterService routerService, |
| 615 | KubevirtPort kubevirtPort) { |
| 616 | if (kubevirtPort.ipAddress() != null) { |
| 617 | return routerService.routers().stream() |
| 618 | .filter(r -> r.internal().contains(kubevirtPort.networkId())) |
| 619 | .findAny().orElse(null); |
| 620 | } |
| 621 | return null; |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * Returns the kubevirt router with specified kubevirt network. |
| 626 | * |
| 627 | * @param routerService kubevirt router service |
| 628 | * @param kubevirtNetwork kubevirt network |
| 629 | * @return kubevirt router |
| 630 | */ |
| 631 | public static KubevirtRouter getRouterForKubevirtNetwork(KubevirtRouterService routerService, |
| 632 | KubevirtNetwork kubevirtNetwork) { |
| 633 | return routerService.routers().stream() |
| 634 | .filter(router -> router.internal().contains(kubevirtNetwork.networkId())) |
| 635 | .findAny().orElse(null); |
| 636 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 637 | |
| 638 | /** |
| 639 | * Returns the external patch port number with specified gateway. |
| 640 | * |
| 641 | * @param deviceService device service |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 642 | * @param gatewayNode gateway node |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 643 | * @return external patch port number |
| 644 | */ |
| 645 | public static PortNumber externalPatchPortNum(DeviceService deviceService, KubevirtNode gatewayNode) { |
Jian Li | 63f191f | 2021-03-25 17:14:40 +0900 | [diff] [blame] | 646 | String gatewayBridgeName = gatewayNode.gatewayBridgeName(); |
| 647 | if (gatewayBridgeName == null) { |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 648 | log.warn("No external interface is attached to gateway {}", gatewayNode.hostname()); |
| 649 | return null; |
| 650 | } |
| 651 | |
Jian Li | 63f191f | 2021-03-25 17:14:40 +0900 | [diff] [blame] | 652 | String patchPortName = "int-to-" + gatewayBridgeName; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 653 | Port port = deviceService.getPorts(gatewayNode.intgBridge()).stream() |
| 654 | .filter(p -> p.isEnabled() && |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 655 | Objects.equals(p.annotations().value(PORT_NAME), patchPortName)) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 656 | .findAny().orElse(null); |
| 657 | |
| 658 | return port != null ? port.number() : null; |
| 659 | } |
| 660 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 661 | /** |
| 662 | * Returns the kubevirt external network with specified router. |
| 663 | * |
| 664 | * @param networkService kubevirt network service |
| 665 | * @param router kubevirt router |
| 666 | * @return external network |
| 667 | */ |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 668 | public static KubevirtNetwork getExternalNetworkByRouter(KubevirtNetworkService networkService, |
| 669 | KubevirtRouter router) { |
| 670 | String networkId = router.external().values().stream().findAny().orElse(null); |
| 671 | if (networkId == null) { |
| 672 | return null; |
| 673 | } |
| 674 | |
| 675 | return networkService.network(networkId); |
| 676 | } |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 677 | |
Jian Li | 94b6d16 | 2021-04-15 17:09:11 +0900 | [diff] [blame] | 678 | /** |
| 679 | * Resolve a DNS with the given DNS server and hostname. |
| 680 | * |
| 681 | * @param hostname hostname to be resolved |
| 682 | * @return resolved IP address |
| 683 | */ |
| 684 | public static IpAddress resolveHostname(String hostname) { |
| 685 | try { |
| 686 | InetAddress addr = Address.getByName(hostname); |
| 687 | return IpAddress.valueOf(IpAddress.Version.INET, addr.getAddress()); |
| 688 | } catch (UnknownHostException e) { |
| 689 | log.warn("Failed to resolve IP address of host {}", hostname); |
| 690 | } |
| 691 | return null; |
| 692 | } |
| 693 | |
| 694 | /** |
| 695 | * Builds a GARP packet using the given source MAC and source IP address. |
| 696 | * |
| 697 | * @param srcMac source MAC address |
| 698 | * @param srcIp source IP address |
| 699 | * @return GARP packet |
| 700 | */ |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 701 | public static Ethernet buildGarpPacket(MacAddress srcMac, IpAddress srcIp) { |
| 702 | if (srcMac == null || srcIp == null) { |
| 703 | return null; |
| 704 | } |
| 705 | |
| 706 | Ethernet ethernet = new Ethernet(); |
| 707 | ethernet.setDestinationMACAddress(MacAddress.BROADCAST); |
| 708 | ethernet.setSourceMACAddress(srcMac); |
| 709 | ethernet.setEtherType(Ethernet.TYPE_ARP); |
| 710 | |
| 711 | ARP arp = new ARP(); |
| 712 | arp.setOpCode(ARP.OP_REPLY); |
| 713 | arp.setProtocolType(ARP.PROTO_TYPE_IP); |
| 714 | arp.setHardwareType(ARP.HW_TYPE_ETHERNET); |
| 715 | |
| 716 | arp.setProtocolAddressLength((byte) Ip4Address.BYTE_LENGTH); |
| 717 | arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH); |
| 718 | |
| 719 | arp.setSenderHardwareAddress(srcMac.toBytes()); |
| 720 | arp.setTargetHardwareAddress(MacAddress.BROADCAST.toBytes()); |
| 721 | |
| 722 | arp.setSenderProtocolAddress(srcIp.toOctets()); |
| 723 | arp.setTargetProtocolAddress(srcIp.toOctets()); |
| 724 | |
| 725 | ethernet.setPayload(arp); |
| 726 | |
| 727 | return ethernet; |
| 728 | } |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 729 | |
| 730 | /** |
| 731 | * Obtains flow group key from the given id. |
| 732 | * |
| 733 | * @param groupId flow group identifier |
| 734 | * @return flow group key |
| 735 | */ |
| 736 | public static GroupKey getGroupKey(int groupId) { |
| 737 | return new DefaultGroupKey((Integer.toString(groupId)).getBytes()); |
| 738 | } |
| 739 | |
| 740 | /** |
| 741 | * Obtains load balancer set from the given router. |
| 742 | * |
| 743 | * @param router kubevirt router |
| 744 | * @param lbService kubevirt loadbalancer service |
| 745 | * @return loadbalancer set |
| 746 | */ |
| 747 | public static Set<KubevirtLoadBalancer> getLoadBalancerSetForRouter(KubevirtRouter router, |
| 748 | KubevirtLoadBalancerService lbService) { |
| 749 | |
| 750 | return lbService.loadBalancers().stream() |
| 751 | .filter(lb -> router.internal().contains(lb.networkId())) |
| 752 | .collect(Collectors.toSet()); |
| 753 | } |
Jian Li | 0c656f0 | 2021-06-07 13:32:39 +0900 | [diff] [blame] | 754 | |
| 755 | /** |
| 756 | * Waits for the given length of time. |
| 757 | * |
| 758 | * @param timeSecond the amount of time for wait in second unit |
| 759 | */ |
| 760 | public static void waitFor(int timeSecond) { |
| 761 | try { |
| 762 | Thread.sleep(timeSecond * 1000L); |
| 763 | } catch (Exception e) { |
| 764 | log.error(e.toString()); |
| 765 | } |
| 766 | } |
Jian Li | 2799691 | 2022-10-18 22:43:15 +0900 | [diff] [blame] | 767 | |
| 768 | /** |
| 769 | * Returns the kubevirt node from the node. |
| 770 | * |
| 771 | * @param node a raw node object returned from a k8s client |
| 772 | * @return kubevirt node |
| 773 | */ |
| 774 | public static KubevirtNode buildKubevirtNode(Node node) { |
| 775 | String hostname = node.getMetadata().getName(); |
| 776 | IpAddress managementIp = null; |
| 777 | IpAddress dataIp = null; |
| 778 | |
| 779 | for (NodeAddress nodeAddress:node.getStatus().getAddresses()) { |
| 780 | if (nodeAddress.getType().equals(INTERNAL_IP)) { |
| 781 | managementIp = IpAddress.valueOf(nodeAddress.getAddress()); |
| 782 | dataIp = IpAddress.valueOf(nodeAddress.getAddress()); |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | Set<String> rolesFull = node.getMetadata().getLabels().keySet().stream() |
| 787 | .filter(l -> l.contains(K8S_ROLE)) |
| 788 | .collect(Collectors.toSet()); |
| 789 | |
| 790 | KubevirtNode.Type nodeType = WORKER; |
| 791 | |
| 792 | for (String roleStr : rolesFull) { |
| 793 | String role = roleStr.split("/")[1]; |
| 794 | if (MASTER.name().equalsIgnoreCase(role)) { |
| 795 | nodeType = MASTER; |
| 796 | break; |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | // start to parse kubernetes annotation |
| 801 | Map<String, String> annots = node.getMetadata().getAnnotations(); |
| 802 | String physnetConfig = annots.get(PHYSNET_CONFIG_KEY); |
| 803 | String gatewayConfig = annots.get(GATEWAY_CONFIG_KEY); |
| 804 | String dataIpStr = annots.get(DATA_IP_KEY); |
| 805 | Set<KubevirtPhyInterface> phys = new HashSet<>(); |
| 806 | String gatewayBridgeName = null; |
| 807 | try { |
| 808 | if (physnetConfig != null) { |
| 809 | JsonArray configJson = JsonArray.readFrom(physnetConfig); |
| 810 | |
| 811 | for (int i = 0; i < configJson.size(); i++) { |
| 812 | JsonObject object = configJson.get(i).asObject(); |
| 813 | String network = object.get(NETWORK_KEY).asString(); |
| 814 | String intf = object.get(INTERFACE_KEY).asString(); |
| 815 | |
| 816 | if (network != null && intf != null) { |
| 817 | String physBridgeId; |
| 818 | if (object.get(PHYS_BRIDGE_ID) != null) { |
| 819 | physBridgeId = object.get(PHYS_BRIDGE_ID).asString(); |
| 820 | } else { |
| 821 | physBridgeId = genDpidFromName(network + intf + hostname); |
| 822 | log.trace("host {} physnet dpid for network {} intf {} is null so generate dpid {}", |
| 823 | hostname, network, intf, physBridgeId); |
| 824 | } |
| 825 | |
| 826 | phys.add(DefaultKubevirtPhyInterface.builder() |
| 827 | .network(network) |
| 828 | .intf(intf) |
| 829 | .physBridge(DeviceId.deviceId(physBridgeId)) |
| 830 | .build()); |
| 831 | } |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | if (dataIpStr != null) { |
| 836 | dataIp = IpAddress.valueOf(dataIpStr); |
| 837 | } |
| 838 | |
| 839 | if (gatewayConfig != null) { |
| 840 | JsonNode jsonNode = new ObjectMapper().readTree(gatewayConfig); |
| 841 | |
| 842 | nodeType = GATEWAY; |
| 843 | gatewayBridgeName = jsonNode.get(GATEWAY_BRIDGE_NAME).asText(); |
| 844 | } |
| 845 | } catch (JsonProcessingException e) { |
| 846 | log.error("Failed to parse physnet config or gateway config object", e); |
| 847 | } |
| 848 | |
| 849 | // if the node is taint with kubevirt.io key configured, |
| 850 | // we mark this node as OTHER type, and do not add it into the cluster |
| 851 | NodeSpec spec = node.getSpec(); |
| 852 | if (spec.getTaints() != null) { |
| 853 | for (Taint taint : spec.getTaints()) { |
| 854 | String effect = taint.getEffect(); |
| 855 | String key = taint.getKey(); |
| 856 | String value = taint.getValue(); |
| 857 | |
| 858 | if (StringUtils.equals(effect, NO_SCHEDULE_EFFECT) && |
| 859 | StringUtils.equals(key, KUBEVIRT_IO_KEY) && |
| 860 | StringUtils.equals(value, DRAINING_VALUE)) { |
| 861 | nodeType = OTHER; |
| 862 | } |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | return DefaultKubevirtNode.builder() |
| 867 | .hostname(hostname) |
| 868 | .managementIp(managementIp) |
| 869 | .dataIp(dataIp) |
| 870 | .type(nodeType) |
| 871 | .state(KubevirtNodeState.ON_BOARDED) |
| 872 | .phyIntfs(phys) |
| 873 | .gatewayBridgeName(gatewayBridgeName) |
| 874 | .build(); |
| 875 | } |
| 876 | |
| 877 | /** |
| 878 | * Parses kubevirt network resource. |
| 879 | * |
| 880 | * @param resource kubevirt network resource string |
| 881 | * @return kubevirt network object |
| 882 | */ |
| 883 | public static KubevirtNetwork parseKubevirtNetwork(String resource) { |
| 884 | JsonObject json = JsonObject.readFrom(resource); |
| 885 | String name = parseResourceName(resource); |
| 886 | JsonObject annots = json.get("metadata").asObject().get("annotations").asObject(); |
| 887 | if (annots.get(NETWORK_CONFIG) == null) { |
| 888 | // SR-IOV network does not contain network-config field |
| 889 | return null; |
| 890 | } |
| 891 | String networkConfig = annots.get(NETWORK_CONFIG).asString(); |
| 892 | if (networkConfig != null) { |
| 893 | KubevirtNetwork.Builder builder = DefaultKubevirtNetwork.builder(); |
| 894 | |
| 895 | JsonObject configJson = JsonObject.readFrom(networkConfig); |
| 896 | String type = configJson.get(TYPE).asString().toUpperCase(Locale.ROOT); |
| 897 | Integer mtu = configJson.get(MTU).asInt(); |
| 898 | String gatewayIp = configJson.getString(GATEWAY_IP, ""); |
| 899 | boolean defaultRoute = configJson.getBoolean(DEFAULT_ROUTE, false); |
| 900 | |
| 901 | if (!type.equalsIgnoreCase(FLAT.name())) { |
| 902 | builder.segmentId(configJson.getString(SEGMENT_ID, "")); |
| 903 | } |
| 904 | |
| 905 | String cidr = configJson.getString(CIDR, ""); |
| 906 | |
| 907 | JsonObject poolJson = configJson.get(IP_POOL).asObject(); |
| 908 | if (poolJson != null) { |
| 909 | String start = poolJson.getString(START, ""); |
| 910 | String end = poolJson.getString(END, ""); |
| 911 | builder.ipPool(new KubevirtIpPool( |
| 912 | IpAddress.valueOf(start), IpAddress.valueOf(end))); |
| 913 | } |
| 914 | |
| 915 | if (configJson.get(HOST_ROUTES) != null) { |
| 916 | JsonArray routesJson = configJson.get(HOST_ROUTES).asArray(); |
| 917 | Set<KubevirtHostRoute> hostRoutes = new HashSet<>(); |
| 918 | if (routesJson != null) { |
| 919 | for (int i = 0; i < routesJson.size(); i++) { |
| 920 | JsonObject route = routesJson.get(i).asObject(); |
| 921 | String destinationStr = route.getString(DESTINATION, ""); |
| 922 | String nexthopStr = route.getString(NEXTHOP, ""); |
| 923 | |
| 924 | if (StringUtils.isNotEmpty(destinationStr) && |
| 925 | StringUtils.isNotEmpty(nexthopStr)) { |
| 926 | hostRoutes.add(new KubevirtHostRoute( |
| 927 | IpPrefix.valueOf(destinationStr), |
| 928 | IpAddress.valueOf(nexthopStr))); |
| 929 | } |
| 930 | } |
| 931 | } |
| 932 | builder.hostRoutes(hostRoutes); |
| 933 | } |
| 934 | |
| 935 | if (configJson.get(DNSES) != null) { |
| 936 | JsonArray dnsesJson = configJson.get(DNSES).asArray(); |
| 937 | Set<IpAddress> dnses = new HashSet<>(); |
| 938 | if (dnsesJson != null) { |
| 939 | for (int i = 0; i < dnsesJson.size(); i++) { |
| 940 | String dns = dnsesJson.get(i).asString(); |
| 941 | if (StringUtils.isNotEmpty(dns)) { |
| 942 | dnses.add(IpAddress.valueOf(dns)); |
| 943 | } |
| 944 | } |
| 945 | } |
| 946 | builder.dnses(dnses); |
| 947 | } |
| 948 | |
| 949 | builder.networkId(name).name(name).type(KubevirtNetwork.Type.valueOf(type)) |
| 950 | .mtu(mtu).gatewayIp(IpAddress.valueOf(gatewayIp)) |
| 951 | .defaultRoute(defaultRoute).cidr(cidr); |
| 952 | |
| 953 | return builder.build(); |
| 954 | } |
| 955 | return null; |
| 956 | } |
Jian Li | 4324438 | 2021-01-09 00:19:02 +0900 | [diff] [blame] | 957 | } |