| /* |
| * Copyright 2017-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.drivers.cisco.rest; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.Lists; |
| import org.onlab.packet.ChassisId; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Device; |
| 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.DefaultDeviceDescription; |
| import org.onosproject.net.device.DefaultPortDescription; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| import org.onosproject.net.device.DeviceService; |
| 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 org.slf4j.Logger; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Discovers device information from a Cisco NXOS device. |
| */ |
| public class CiscoNxosDeviceDescription extends AbstractHandlerBehaviour |
| implements DeviceDescriptionDiscovery { |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String UNKNOWN = "unknown"; |
| private static final String SHOW_INTERFACES_CMD = "show interface"; |
| private static final String SHOW_VERSION_CMD = "show version"; |
| private static final String MANUFACTURER = "manufacturer"; |
| private static final String CHASSIS_ID = "chassis_id"; |
| private static final String KICKSTART_VER = "kickstart_ver_str"; |
| private static final String ROW_INTERFACE = "ROW_interface"; |
| private static final String INTERFACE = "interface"; |
| private static final String ETH = "Eth"; |
| private static final String ETHERNET = "Ethernet"; |
| private static final String STATE = "state"; |
| private static final String UP = "up"; |
| private static final String ETH_BW = "eth_bw"; |
| private static final String SLASH = "/"; |
| private static final String ZERO = "0"; |
| private static final int ONE_THOUSAND = 1000; |
| |
| @Override |
| public DeviceDescription discoverDeviceDetails() { |
| DriverHandler handler = handler(); |
| RestSBController controller = checkNotNull(handler.get(RestSBController.class)); |
| DeviceId deviceId = handler.data().deviceId(); |
| |
| ArrayList<String> cmd = new ArrayList<>(); |
| cmd.add(SHOW_VERSION_CMD); |
| |
| String req = NxApiRequest.generate(cmd, NxApiRequest.CommandType.CLI); |
| |
| String response = NxApiRequest.post(controller, deviceId, req); |
| |
| String mrf = UNKNOWN; |
| String hwVer = UNKNOWN; |
| String swVer = UNKNOWN; |
| String serialNum = UNKNOWN; |
| |
| try { |
| ObjectMapper om = new ObjectMapper(); |
| JsonNode json = om.readTree(response); |
| |
| JsonNode body = json.findValue("body"); |
| if (body != null) { |
| mrf = body.get(MANUFACTURER).asText(); |
| hwVer = body.get(CHASSIS_ID).asText(); |
| swVer = body.get(KICKSTART_VER).asText(); |
| } |
| } catch (IOException e) { |
| log.error("Failed to to retrieve Device Information {}", e); |
| } |
| |
| DeviceService deviceService = checkNotNull(handler().get(DeviceService.class)); |
| Device device = deviceService.getDevice(deviceId); |
| return new DefaultDeviceDescription(device.id().uri(), Device.Type.SWITCH, |
| mrf, hwVer, swVer, serialNum, |
| new ChassisId(), (SparseAnnotations) device.annotations()); |
| } |
| |
| @Override |
| public List<PortDescription> discoverPortDetails() { |
| DriverHandler handler = handler(); |
| RestSBController controller = checkNotNull(handler.get(RestSBController.class)); |
| DeviceId deviceId = handler.data().deviceId(); |
| |
| ArrayList<String> cmd = new ArrayList<>(); |
| cmd.add(SHOW_INTERFACES_CMD); |
| |
| String req = NxApiRequest.generate(cmd, NxApiRequest.CommandType.CLI); |
| String response = NxApiRequest.post(controller, deviceId, req); |
| |
| // parse interface information from response |
| List<PortDescription> ports = Lists.newArrayList(); |
| try { |
| ObjectMapper om = new ObjectMapper(); |
| JsonNode json = om.readTree(response); |
| |
| JsonNode interfaces = json.findValue(ROW_INTERFACE); |
| if (interfaces != null) { |
| interfaces.forEach(itf -> { |
| String ifName = itf.get(INTERFACE).asText(); |
| if (ifName.startsWith(ETH)) { |
| String ifNum = ifName.substring(ETHERNET.length()).replace(SLASH, ZERO); |
| boolean state = itf.get(STATE).asText().equals(UP); |
| long portSpeed = itf.get(ETH_BW).asLong() / ONE_THOUSAND; //in Mbps |
| DefaultAnnotations.Builder annotations = DefaultAnnotations.builder() |
| .set(AnnotationKeys.PORT_NAME, ifName); |
| PortDescription desc = DefaultPortDescription.builder() |
| .withPortNumber(PortNumber.portNumber(ifNum)) |
| .isEnabled(state) |
| .type(Port.Type.FIBER).portSpeed(portSpeed).annotations(annotations.build()) |
| .build(); |
| ports.add(desc); |
| } |
| }); |
| } |
| } catch (IOException e) { |
| log.error("Failed to to retrieve Interfaces {}", e); |
| } |
| |
| return ports; |
| } |
| } |