/*- * ============LICENSE_START======================================================= * Copyright (C) 2019 Nordix 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. * * SPDX-License-Identifier: Apache-2.0 * ============LICENSE_END========================================================= */ package org.onap.sdnc.northbound.provider; import com.google.common.util.concurrent.CheckedFuture; import com.google.common.util.concurrent.Futures; import com.google.common.util.concurrent.ListenableFuture; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.TimeZone; import java.util.concurrent.ExecutionException; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import org.onap.sdnc.northbound.restadapter.NearRicUrlProvider; import org.onap.sdnc.northbound.restadapter.RestAdapter; import org.onap.sdnc.northbound.restadapter.RestAdapterImpl; import org.opendaylight.controller.md.sal.binding.api.DataBroker; import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService; import org.opendaylight.controller.md.sal.binding.api.WriteTransaction; import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException; import org.opendaylight.controller.sal.binding.api.BindingAwareBroker; import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.A1ADAPTERAPIService; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.DeletePolicyInput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.DeletePolicyOutput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.DeletePolicyOutputBuilder; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyIdentitiesInput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyIdentitiesOutput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyIdentitiesOutputBuilder; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyTypeIdentitiesInput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyTypeIdentitiesOutput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyTypeIdentitiesOutputBuilder; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyTypeInput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyTypeOutput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.GetPolicyTypeOutputBuilder; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.PutPolicyInput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.PutPolicyOutput; import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.a1.adapter.rev200122.PutPolicyOutputBuilder; import org.opendaylight.yangtools.yang.common.RpcResult; import org.opendaylight.yangtools.yang.common.RpcResultBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.http.ResponseEntity; /** * Defines a base implementation for your provider. This class overrides the generated interface * from the YANG model and implements the request model for the A1 interface. This class identifies * the Near-RIC throught the IP passed over the payload and calls the corresponding Near-RIC over * Rest API * *
* * @author lathishbabu.ganesan@est.tech * */ public class NonrtRicApiProvider implements AutoCloseable, A1ADAPTERAPIService { protected static final String APP_NAME = "nonrt-ric-api"; protected static final String NO_SERVICE_LOGIC_ACTIVE = "No service logic active for "; private static final String NON_NULL_PARAM = "non-null"; private static final String NULL_PARAM = "null"; private final Logger log = LoggerFactory.getLogger(NonrtRicApiProvider.class); private final ExecutorService executor; protected DataBroker dataBroker; protected NotificationPublishService notificationService; protected RpcProviderRegistry rpcRegistry; protected BindingAwareBroker.RpcRegistration> rpcRegistration; private RestAdapter restAdapter; private NearRicUrlProvider nearRicUrlProvider; public NonrtRicApiProvider(DataBroker dataBroker, NotificationPublishService notificationPublishService, RpcProviderRegistry rpcProviderRegistry) { log.info("Creating provider for {}", APP_NAME); executor = Executors.newFixedThreadPool(1); setDataBroker(dataBroker); setNotificationService(notificationPublishService); setRpcRegistry(rpcProviderRegistry); initialize(); } public void initialize() { log.info("Initializing provider for {}", APP_NAME); createContainers(); restAdapter = new RestAdapterImpl(); nearRicUrlProvider = new NearRicUrlProvider(); log.info("Initialization complete for {}", APP_NAME); } protected void initializeChild() { // Override if you have custom initialization intelligence } @Override public void close() throws Exception { log.info("Closing provider for {}", APP_NAME); executor.shutdown(); rpcRegistration.close(); log.info("Successfully closed provider for {}", APP_NAME); } private static class Iso8601Util { private static TimeZone timeZone = TimeZone.getTimeZone("UTC"); private static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"); private Iso8601Util() {} static { dateFormat.setTimeZone(timeZone); } private static String now() { return dateFormat.format(new Date()); } } public void setDataBroker(DataBroker dataBroker) { this.dataBroker = dataBroker; if (log.isDebugEnabled()) { log.debug("DataBroker set to {}", dataBroker == null ? NULL_PARAM : NON_NULL_PARAM); } } public void setNotificationService(NotificationPublishService notificationService) { this.notificationService = notificationService; if (log.isDebugEnabled()) { log.debug("Notification Service set to {}", notificationService == null ? NULL_PARAM : NON_NULL_PARAM); } } public void setRpcRegistry(RpcProviderRegistry rpcRegistry) { this.rpcRegistry = rpcRegistry; if (log.isDebugEnabled()) { log.debug("RpcRegistry set to {}", rpcRegistry == null ? NULL_PARAM : NON_NULL_PARAM); } } private void createContainers() { final WriteTransaction t = dataBroker.newReadWriteTransaction(); try { CheckedFuturecheckedFuture = t.submit(); checkedFuture.get(); log.info("Create containers succeeded!"); } catch (InterruptedException | ExecutionException e) { log.error("Create containers failed: ", e); } } @Override public ListenableFuture > getPolicyTypeIdentities( GetPolicyTypeIdentitiesInput input) { log.info("Start of getPolicyTypeIdentities"); GetPolicyTypeIdentitiesOutputBuilder responseBuilder = new GetPolicyTypeIdentitiesOutputBuilder(); String uri = nearRicUrlProvider.getPolicyTypeIdentitiesUrl(String.valueOf(input.getNearRtRicUrl())); ResponseEntity > response = restAdapter.get(uri, List.class); if (response.hasBody()) { log.info("Response getPolicyTypeIdentities : {} ", response.getBody()); responseBuilder.setPolicyTypeIdList(response.getBody()); } log.info("End of getPolicyTypeIdentities"); RpcResult
rpcResult = RpcResultBuilder. status(true) .withResult(responseBuilder.build()).build(); return Futures.immediateFuture(rpcResult); } @Override public ListenableFuture > getPolicyIdentities(GetPolicyIdentitiesInput input) { log.info("Start of getPolicyIdentities"); GetPolicyIdentitiesOutputBuilder responseBuilder = new GetPolicyIdentitiesOutputBuilder(); String uri = nearRicUrlProvider.getPolicyIdentitiesUrl(String.valueOf(input.getNearRtRicUrl())); ResponseEntity > response = restAdapter.get(uri, List.class); if (response.hasBody()) { log.info("Response getPolicyIdentities : {} ", response.getBody()); responseBuilder.setPolicyIdList(response.getBody()); } log.info("End of getPolicyIdentities"); RpcResult
rpcResult = RpcResultBuilder . status(true).withResult(responseBuilder.build()).build(); return Futures.immediateFuture(rpcResult); } @Override public ListenableFuture > getPolicyType(GetPolicyTypeInput input) { log.info("Start of getPolicyType"); log.info("Policy Type Id : {} ", input.getPolicyTypeId()); GetPolicyTypeOutputBuilder responseBuilder = new GetPolicyTypeOutputBuilder(); String uri = nearRicUrlProvider.getPolicyTypeUrl(String.valueOf(input.getNearRtRicUrl()), String.valueOf(input.getPolicyTypeId())); ResponseEntity response = restAdapter.get(uri, String.class); if (response.hasBody()) { log.info("Response getPolicyType : {} ", response.getBody()); responseBuilder.setPolicyType(response.getBody()); } log.info("End of getPolicyType"); RpcResult rpcResult = RpcResultBuilder. status(true) .withResult(responseBuilder.build()).build(); return Futures.immediateFuture(rpcResult); } @Override public ListenableFuture > putPolicy(PutPolicyInput input) { log.info("Start of putPolicy"); PutPolicyOutputBuilder responseBuilder = new PutPolicyOutputBuilder(); String uri = nearRicUrlProvider.getPolicyUrl(String.valueOf(input.getNearRtRicUrl()), String.valueOf(input.getPolicyId())); log.info("PUT Request input.getPolicy() : {} ", input.getPolicy()); ResponseEntity response = restAdapter.put(uri, input.getPolicy()); if (response.hasBody()) { log.info("Response putPolicy : {} ", response.getBody()); responseBuilder.setReturnedPolicy(response.getBody()); } log.info("End of putPolicy"); RpcResult rpcResult = RpcResultBuilder . status(true).withResult(responseBuilder.build()).build(); return Futures.immediateFuture(rpcResult); } @Override public ListenableFuture > deletePolicy(DeletePolicyInput input) { log.info("Start of deletePolicy"); DeletePolicyOutputBuilder responseBuilder = new DeletePolicyOutputBuilder(); String uri = nearRicUrlProvider.getPolicyUrl(String.valueOf(input.getNearRtRicUrl()), String.valueOf(input.getPolicyId())); ResponseEntity response = restAdapter.delete(uri); log.info("End of deletePolicy"); RpcResult rpcResult = RpcResultBuilder . status(true).withResult(responseBuilder.build()).build(); return Futures.immediateFuture(rpcResult); } }