| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.drivers.arista; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.Lists; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.SparseAnnotations; |
| import org.onosproject.net.device.DefaultPortDescription; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| import org.onosproject.net.device.PortDescription; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.protocol.rest.RestSBController; |
| import javax.ws.rs.core.MediaType; |
| import org.slf4j.Logger; |
| |
| import java.util.List; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Discovers the ports from Arista EOS device. |
| */ |
| public class DeviceDescriptionDiscoveryAristaImpl extends AbstractHandlerBehaviour |
| implements DeviceDescriptionDiscovery { |
| |
| private static final String JSON = "json"; |
| private static final String RESULT = "result"; |
| private static final String INTERFACE_STATUSES = "interfaceStatuses"; |
| private static final String LINK_STATUS = "linkStatus"; |
| private static final String LINE_PROTOCOL_STATUS = "lineProtocolStatus"; |
| private static final String BANDWIDTH = "bandwidth"; |
| private static final String ETHERNET = "Ethernet"; |
| private static final String MANAGEMENT = "Management"; |
| private static final String INTERFACE_TYPE = "interfaceType"; |
| private static final int WEIGHTING_FACTOR_MANAGEMENT_INTERFACE = 100; |
| private static final String JSONRPC = "jsonrpc"; |
| private static final String METHOD = "method"; |
| private static final String RUN_CMDS = "runCmds"; |
| private static final String VERSION = "version"; |
| private static final String ID = "id"; |
| private static final String GET_PORT = "GetPort"; |
| private static final String PARAMS = "params"; |
| private static final String FORMAT = "format"; |
| private static final String TIMESTAMPS = "timestamps"; |
| private static final String CMDS = "cmds"; |
| private static final String SHOW_INTERFACES_STATUS = "show interfaces status"; |
| private static final String TWO_POINT_ZERO = "2.0"; |
| private static final long MBPS = 1000000; |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String API_ENDPOINT = "/command-api/"; |
| |
| @Override |
| public DeviceDescription discoverDeviceDetails() { |
| log.info("No description to be added for device"); |
| //TODO to be implemented if needed. |
| return null; |
| } |
| |
| @Override |
| public List<PortDescription> discoverPortDetails() { |
| List<PortDescription> ports = Lists.newArrayList(); |
| DriverHandler handler = handler(); |
| RestSBController controller = checkNotNull(handler.get(RestSBController.class)); |
| DeviceId deviceId = handler.data().deviceId(); |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| |
| ObjectNode sendObjNode = mapper.createObjectNode(); |
| |
| sendObjNode.put(JSONRPC, TWO_POINT_ZERO) |
| .put(METHOD, RUN_CMDS) |
| .put(ID, GET_PORT) |
| .putObject(PARAMS) |
| .put(FORMAT, JSON) |
| .put(TIMESTAMPS, false) |
| .put(VERSION, 1) |
| .putArray(CMDS).add(SHOW_INTERFACES_STATUS); |
| |
| String response = controller.post(deviceId, API_ENDPOINT, |
| new ByteArrayInputStream(sendObjNode.toString().getBytes()), |
| MediaType.APPLICATION_JSON, String.class); |
| |
| try { |
| ObjectNode node = (ObjectNode) mapper.readTree(response); |
| ArrayNode arrayNode = (ArrayNode) node.get(RESULT); |
| |
| JsonNode jsonNode = arrayNode.iterator().next().get(INTERFACE_STATUSES); |
| |
| jsonNode.fieldNames().forEachRemaining(name -> { |
| JsonNode interfaceNode = jsonNode.get(name); |
| |
| Long bandwidth = interfaceNode.path(BANDWIDTH).asLong() / MBPS; |
| |
| SparseAnnotations annotations = DefaultAnnotations.builder() |
| .set(AnnotationKeys.BANDWIDTH, bandwidth.toString()) |
| .set(AnnotationKeys.NAME, name) |
| .set(LINK_STATUS, interfaceNode.path(LINK_STATUS).asText()) |
| .set(LINE_PROTOCOL_STATUS, interfaceNode.path(LINE_PROTOCOL_STATUS).asText()) |
| .set(INTERFACE_TYPE, interfaceNode.path(INTERFACE_TYPE).asText()) |
| .build(); |
| |
| PortDescription portDescription = new DefaultPortDescription(PortNumber |
| .portNumber(getPortNumber(name)), |
| true, Port.Type.FIBER, bandwidth, annotations); |
| ports.add(portDescription); |
| |
| }); |
| |
| } catch (IOException e) { |
| log.warn("IO exception occured because of ", e); |
| } |
| return ports; |
| } |
| |
| private int getPortNumber(String interfaceName) { |
| if (interfaceName.startsWith(ETHERNET)) { |
| return Integer.valueOf(interfaceName.substring(ETHERNET.length())); |
| } else { |
| return Integer.valueOf(interfaceName.substring(MANAGEMENT.length())).intValue() |
| + WEIGHTING_FACTOR_MANAGEMENT_INTERFACE; |
| } |
| } |
| } |
| |