Examples with ServerDeviceDescription org.onosproject.drivers.server.devices.ServerDeviceDescription used on opensource projects

Example 1 with ServerDeviceDescription

use of org.onosproject.drivers.server.devices.ServerDeviceDescription in project onos by opennetworkinglab.

the class ServerDevicesDiscovery method getDeviceDetails.

/**
 * Query a server to retrieve its features.
 *
 * @param deviceId the device ID to be queried
 * @return a DeviceDescription with the device's features
 */
private DeviceDescription getDeviceDetails(DeviceId deviceId) {
    // Retrieve the device ID, if null given
    if (deviceId == null) {
        deviceId = getDeviceId();
        checkNotNull(deviceId, MSG_DEVICE_ID_NULL);
    }
    // Get the device
    RestSBDevice device = getDevice(deviceId);
    checkNotNull(device, MSG_DEVICE_NULL);
    // Hit the path that provides the server's resources
    InputStream response = null;
    try {
        response = getController().get(deviceId, URL_SRV_RESOURCE_DISCOVERY, JSON);
    } catch (ProcessingException pEx) {
        log.error("Failed to discover the device details of: {}", deviceId);
        return null;
    }
    // Load the JSON into objects
    ObjectMapper mapper = new ObjectMapper();
    Map<String, Object> jsonMap = null;
    JsonNode jsonNode = null;
    ObjectNode objNode = null;
    try {
        jsonMap = mapper.readValue(response, Map.class);
        jsonNode = mapper.convertValue(jsonMap, JsonNode.class);
        objNode = (ObjectNode) jsonNode;
    } catch (IOException ioEx) {
        log.error("Failed to discover the device details of: {}", deviceId);
        return null;
    }
    if (jsonMap == null) {
        log.error("Failed to discover the device details of: {}", deviceId);
        return null;
    }
    // Get all the attributes
    String id = get(jsonNode, PARAM_ID);
    String vendor = get(jsonNode, PARAM_MANUFACTURER);
    String hw = get(jsonNode, PARAM_HW_VENDOR);
    String sw = get(jsonNode, PARAM_SW_VENDOR);
    String serial = get(jsonNode, PARAM_SERIAL);
    long chassisId = objNode.path(PARAM_CHASSIS_ID).asLong();
    // Pass the southbound protocol as an annotation
    DefaultAnnotations.Builder annotations = DefaultAnnotations.builder();
    annotations.set(AnnotationKeys.PROTOCOL, "REST");
    // Parse CPU devices
    Collection<CpuDevice> cpuSet = parseCpuDevices(objNode);
    // Parse memory hierarchy device
    MemoryHierarchyDevice memHierarchyDev = parseMemoryHierarchyDevice(objNode);
    // Parse CPU cache hierachy device
    CpuCacheHierarchyDevice cacheHierarchyDev = parseCpuCacheHierarchyDevice(objNode);
    // NICs are composite attributes too
    Collection<NicDevice> nicSet = parseNicDevices(mapper, objNode, annotations);
    // Construct a server device,
    // i.e., a RestSBDevice extended with CPU, cache, memory, and NIC information
    RestServerSBDevice dev = new DefaultRestServerSBDevice(device.ip(), device.port(), device.username(), device.password(), device.protocol(), device.url(), device.isActive(), device.testUrl().orElse(""), vendor, hw, sw, cpuSet, cacheHierarchyDev, memHierarchyDev, nicSet);
    checkNotNull(dev, MSG_DEVICE_NULL);
    // Set alive
    raiseDeviceReconnect(dev);
    // Updates the controller with the complete device information
    getController().removeDevice(deviceId);
    getController().addDevice((RestSBDevice) dev);
    // Create a description for this server device
    ServerDeviceDescription desc = null;
    try {
        desc = new DefaultServerDeviceDescription(new URI(id), Device.Type.SERVER, vendor, hw, sw, serial, new ChassisId(chassisId), cpuSet, cacheHierarchyDev, memHierarchyDev, nicSet, annotations.build());
    } catch (URISyntaxException uEx) {
        log.error("Failed to create a server device description for: {}", deviceId);
        return null;
    }
    log.info("Device's {} details sent to the controller", deviceId);
    return desc;
}