| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.k8snetworking.util; |
| |
| import com.fasterxml.jackson.core.JsonParseException; |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.JsonMappingException; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.onosproject.cfg.ConfigProperty; |
| import org.onosproject.k8snetworking.api.K8sNetwork; |
| import org.onosproject.k8snetworking.api.K8sNetworkService; |
| import org.onosproject.k8snode.api.K8sNode; |
| import org.onosproject.net.PortNumber; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import static org.onosproject.k8snetworking.api.Constants.PORT_NAME_PREFIX_CONTAINER; |
| |
| /** |
| * An utility that used in kubernetes networking app. |
| */ |
| public final class K8sNetworkingUtil { |
| |
| private static final Logger log = LoggerFactory.getLogger(K8sNetworkingUtil.class); |
| |
| private K8sNetworkingUtil() { |
| } |
| |
| /** |
| * Checks that whether the port is associated with container interface. |
| * |
| * @param portName port name |
| * @return true if the port is associated with container; false otherwise |
| */ |
| public static boolean isContainer(String portName) { |
| return portName != null && portName.contains(PORT_NAME_PREFIX_CONTAINER); |
| } |
| |
| /** |
| * Returns the tunnel port number with specified net ID and kubernetes node. |
| * |
| * @param netId network ID |
| * @param netService network service |
| * @param node kubernetes node |
| * @return tunnel port number |
| */ |
| public static PortNumber tunnelPortNumByNetId(String netId, |
| K8sNetworkService netService, |
| K8sNode node) { |
| K8sNetwork.Type netType = netService.network(netId).type(); |
| |
| if (netType == null) { |
| return null; |
| } |
| |
| return tunnelPortNumByNetType(netType, node); |
| } |
| |
| /** |
| * Returns the tunnel port number with specified net type and kubernetes node. |
| * |
| * @param netType network type |
| * @param node kubernetes node |
| * @return tunnel port number |
| */ |
| public static PortNumber tunnelPortNumByNetType(K8sNetwork.Type netType, |
| K8sNode node) { |
| switch (netType) { |
| case VXLAN: |
| return node.vxlanPortNum(); |
| case GRE: |
| return node.grePortNum(); |
| case GENEVE: |
| return node.genevePortNum(); |
| default: |
| return null; |
| } |
| } |
| |
| /** |
| * Obtains the property value with specified property key name. |
| * |
| * @param properties a collection of properties |
| * @param name key name |
| * @return mapping value |
| */ |
| public static String getPropertyValue(Set<ConfigProperty> properties, |
| String name) { |
| Optional<ConfigProperty> property = |
| properties.stream().filter(p -> p.name().equals(name)).findFirst(); |
| return property.map(ConfigProperty::value).orElse(null); |
| } |
| |
| /** |
| * Prints out the JSON string in pretty format. |
| * |
| * @param mapper Object mapper |
| * @param jsonString JSON string |
| * @return pretty formatted JSON string |
| */ |
| public static String prettyJson(ObjectMapper mapper, String jsonString) { |
| try { |
| Object jsonObject = mapper.readValue(jsonString, Object.class); |
| return mapper.writerWithDefaultPrettyPrinter().writeValueAsString(jsonObject); |
| } catch (JsonParseException e) { |
| log.debug("JsonParseException caused by {}", e); |
| } catch (JsonMappingException e) { |
| log.debug("JsonMappingException caused by {}", e); |
| } catch (JsonProcessingException e) { |
| log.debug("JsonProcessingException caused by {}", e); |
| } catch (IOException e) { |
| log.debug("IOException caused by {}", e); |
| } |
| return null; |
| } |
| } |