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/*-
* ============LICENSE_START=======================================================
* ONAP : CCSDK
* ================================================================================
* Copyright (C) 2021-2022 Wipro Limited.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.ccsdk.features.sdnr.northbound.addCMHandle;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.util.concurrent.ListenableFuture;
import java.io.FileInputStream;
import java.io.IOException;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Properties;
import org.eclipse.jdt.annotation.NonNull;
import org.onap.ccsdk.features.sdnr.northbound.addCMHandle.HttpRequester;
import org.onap.ccsdk.features.sdnr.northbound.addCMHandle.models.CpsCmHandleRequestBody;
import org.onap.ccsdk.sli.core.utils.common.EnvProperties;
import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.mdsal.binding.api.DataObjectModification;
import org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType;
import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
import org.opendaylight.mdsal.binding.api.DataTreeModification;
import org.opendaylight.mdsal.binding.api.MountPointService;
import org.opendaylight.mdsal.binding.api.NotificationPublishService;
import org.opendaylight.mdsal.binding.api.RpcProviderService;
import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.dom.api.DOMMountPointService;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.AddCMHandleInput;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.AddCMHandleOutput;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.AddCMHandleOutputBuilder;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.CMHandleAPIService;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.status.StatusBuilder;
import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.DmiRegistryBuilder;
import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.dmi.registry.CmHandle;
import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.dmi.registry.CmHandleBuilder;
import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.dmi.registry.CmHandleKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.opendaylight.yangtools.yang.parser.api.YangParserFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AddCMHandleProvider implements CMHandleAPIService, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(AddCMHandleProvider.class);
private final ObjectMapper objMapper = new ObjectMapper();
private final String APPLICATION_NAME = "addCMHandle";
private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR";
private static final String PROPERTIES_FILE_NAME = "cm-handle.properties";
private static HashMap<String, String> config;
private ListenerRegistration<AddCmHandleListener> listener;
private static final @NonNull InstanceIdentifier<Node> NETCONF_NODE_TOPO_IID =
InstanceIdentifier.create(NetworkTopology.class)
.child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())))
.child(Node.class);
private static final @NonNull DataTreeIdentifier<Node> NETCONF_NODE_TOPO_TREE_ID =
DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL, NETCONF_NODE_TOPO_IID);
private DataBroker dataBroker;
private MountPointService mountPointService;
private DOMMountPointService domMountPointService;
private RpcProviderService rpcProviderRegistry;
@SuppressWarnings("unused")
private NotificationPublishService notificationPublishService;
@SuppressWarnings("unused")
private ClusterSingletonServiceProvider clusterSingletonServiceProvider;
private YangParserFactory yangParserFactory;
private BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer;
private Boolean isInitializationSuccessful = false;
private Long lastNotificationSentOn = Long.valueOf(0);
private List<String> nodeIdList = new ArrayList<>();
public AddCMHandleProvider() {
LOG.info("Creating provider for {}", APPLICATION_NAME);
this.dataBroker = null;
this.mountPointService = null;
this.domMountPointService = null;
this.rpcProviderRegistry = null;
this.notificationPublishService = null;
this.clusterSingletonServiceProvider = null;
this.yangParserFactory = null;
this.bindingNormalizedNodeSerializer = null;
}
public void setDataBroker(DataBroker dataBroker) {
this.dataBroker = dataBroker;
}
public void setRpcProviderRegistry(RpcProviderService rpcProviderRegistry) {
this.rpcProviderRegistry = rpcProviderRegistry;
}
public void setNotificationPublishService(NotificationPublishService notificationPublishService) {
this.notificationPublishService = notificationPublishService;
}
public void setMountPointService(MountPointService mountPointService) {
this.mountPointService = mountPointService;
}
public void setDomMountPointService(DOMMountPointService domMountPointService) {
this.domMountPointService = domMountPointService;
}
public void setClusterSingletonService(ClusterSingletonServiceProvider clusterSingletonService) {
this.clusterSingletonServiceProvider = clusterSingletonService;
}
public void setYangParserFactory(YangParserFactory yangParserFactory) {
this.yangParserFactory = yangParserFactory;
}
public void setBindingNormalizedNodeSerializer(BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer) {
this.bindingNormalizedNodeSerializer = bindingNormalizedNodeSerializer;
LOG.info("Init bindingNormalizedNodeSerializer");
}
public Boolean isInitializationSuccessful() {
return isInitializationSuccessful;
}
public void init() {
LOG.info("Initializing {} for {}", this.getClass().getName(), APPLICATION_NAME);
String propDir = System.getenv(SDNC_CONFIG_DIR);
if (propDir == null) {
LOG.error("Environment variable SDNC_CONFIG_DIR is not set");
propDir = "/opt/onap/ccsdk/data/properties/";
} else if (!propDir.endsWith("/")) {
propDir = propDir + "/";
}
config = new HashMap<String, String>();
try (FileInputStream fileInput = new FileInputStream(propDir + PROPERTIES_FILE_NAME)) {
EnvProperties properties = new EnvProperties();
properties.load(fileInput);
for (String param : new String[] {"cpsUrl", "user", "password", "dmaapUrl", "dmiServiceName", "client",
"timerThreshold"}) {
config.put(param, properties.getProperty(param));
}
} catch (IOException e) {
LOG.error("Error while reading properties file: ", e);
}
listener = dataBroker.registerDataTreeChangeListener(NETCONF_NODE_TOPO_TREE_ID, new AddCmHandleListener());
isInitializationSuccessful = true;
LOG.info("Initialization complete for {}", APPLICATION_NAME);
LOG.info("addCMHandle Session Initiated");
}
/**
* AddCmHandleListener
*/
private class AddCmHandleListener implements DataTreeChangeListener<Node> {
@Override
public void onDataTreeChanged(@NonNull Collection<DataTreeModification<Node>> changes) {
LOG.info("AddCmHandleListener TreeChange enter changes: {}", changes.size());
LOG.info("config: " + config);
String nodeId = getNodeId(changes);
if (Objects.nonNull(nodeId) && !(nodeIdList.contains(nodeId))) {
nodeIdList.add(nodeId);
}
Timestamp currentTime = new Timestamp(System.currentTimeMillis());
Long difference = currentTime.getTime() - lastNotificationSentOn;
if (difference > Long.valueOf(config.get("timerThreshold"))) {
sendNotification(nodeIdList);
nodeIdList.clear();
}
}
}
/**
* Method to get nodeId.
*/
private String getNodeId(@NonNull Collection<DataTreeModification<Node>> changes) {
String nodeIdString = null;
for (final DataTreeModification<Node> change : changes) {
final DataObjectModification<Node> root = change.getRootNode();
try {
ModificationType modificationTyp = root.getModificationType();
if ((modificationTyp != ModificationType.DELETE)) {
Node node = root.getDataAfter();
NodeId nodeId = node != null ? node.getNodeId() : null;
if (nodeId == null) {
LOG.info("without nodeid");
} else {
nodeIdString = nodeId.getValue();
LOG.info("AddCmHandle for nodeId: {}", nodeIdString);
}
}
} catch (NullPointerException | IllegalStateException e) {
LOG.info("Data not available at ", e);
}
}
return nodeIdString;
}
/**
* Method called when cm-handle notification is to be sent.
*/
protected void sendNotification(List<String> nodeIdList) {
String sendNotificationTo = config.get("client");
lastNotificationSentOn = new Timestamp(System.currentTimeMillis()).getTime();
if (sendNotificationTo.equalsIgnoreCase("CPS")) {
sendNotificationToCps(nodeIdList);
}
if (sendNotificationTo.equalsIgnoreCase("DMAAP")) {
sendNotificationToDmaap(nodeIdList);
}
else {
sendNotificationToCps(nodeIdList);
sendNotificationToDmaap(nodeIdList);
}
lastNotificationSentOn = new Timestamp(System.currentTimeMillis()).getTime();
}
/**
* Method called when cm-handle notification is to be sent to CPS.
*/
protected String sendNotificationToCps(List<String> nodeIdList) {
LOG.info("Sending Notification to CPS");
String userCredential = config.get("user") + ":" + config.get("password");
String url = config.get("cpsUrl");
String requestBody = null;
CpsCmHandleRequestBody cpsCmHandleRequestBody = new CpsCmHandleRequestBody(nodeIdList);
LOG.info("url {}", url);
LOG.info("userCredential: {}", userCredential);
try {
requestBody = objMapper.writeValueAsString(cpsCmHandleRequestBody);
LOG.info("requestBody{} ", requestBody);
} catch (JsonProcessingException e) {
LOG.error("ERROR: {}", e);
}
String response = HttpRequester.sendPostRequest(url, userCredential, requestBody);
LOG.info("response from CPS: {} ", response);
return response;
}
/**
* Method called when cm-handle notification is to be sent to Dmaap.
*/
protected String sendNotificationToDmaap(List<String> nodeIdList) {
LOG.info("Sending Notification to Dmaap");
String url = config.get("dmaapUrl");
Map<CmHandleKey, CmHandle> values = new HashMap<>();
nodeIdList.forEach(nodeId -> {
CmHandleBuilder cmHandleBuilder = new CmHandleBuilder();
cmHandleBuilder.setDmiServiceName(config.get("dmiServiceName"));
cmHandleBuilder.setId(nodeId);
CmHandleKey cmHandleKey = new CmHandleKey(nodeId);
values.put(cmHandleKey, cmHandleBuilder.build());
});
DmiRegistryBuilder dmiRegistryBuilder = new DmiRegistryBuilder();
dmiRegistryBuilder.setCmHandle(values);
String requestBody = null;
LOG.info("url: {}", url);
try {
requestBody = objMapper.writeValueAsString(dmiRegistryBuilder.build());
LOG.info("requestBody: {}", requestBody);
} catch (JsonProcessingException e) {
LOG.error("ERROR: {}", e);
}
String response = HttpRequester.sendPostRequest(url, null, requestBody);
LOG.info("response from Dmaap: {}", response);
return response;
}
/**
* Method called when the blueprint container is destroyed.
*/
@Override
public void close() {
if (Objects.nonNull(listener)) {
listener.close();
}
LOG.debug("AddCMHandleProvider Closed");
}
@Override
public ListenableFuture<RpcResult<AddCMHandleOutput>> addCMHandle(AddCMHandleInput input) {
StatusBuilder statusBuilder = new StatusBuilder();
statusBuilder.setMessage("SUCCESS");
return RpcResultBuilder.success(new AddCMHandleOutputBuilder().setStatus(statusBuilder.build()).build())
.buildFuture();
}
}
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