diff options
Diffstat (limited to 'components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap')
8 files changed, 496 insertions, 0 deletions
diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/DmaapClient.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/DmaapClient.java new file mode 100644 index 00000000..6e0ea401 --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/DmaapClient.java @@ -0,0 +1,112 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import com.att.nsa.cambria.client.CambriaConsumer; + +import java.util.Map; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; + +import javax.annotation.PostConstruct; + +import org.onap.slice.analysis.ms.beans.Configuration; +import org.onap.slice.analysis.ms.utils.DmaapUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.stereotype.Component; + +/** + * This class initializes and starts the dmaap client + * to listen on application required dmaap events + */ +@Component +public class DmaapClient { + + private Configuration configuration; + private static Logger log = LoggerFactory.getLogger(DmaapClient.class); + + private DmaapUtils dmaapUtils; + + /** + * init dmaap client. + */ + @PostConstruct + public void initClient() { + log.debug("initializing client"); + dmaapUtils = new DmaapUtils(); + configuration = Configuration.getInstance(); + if (log.isDebugEnabled()) { + log.debug(configuration.toString()); + } + + startClient(); + } + + /** + * start dmaap client. + */ + @SuppressWarnings("unchecked") + public synchronized void startClient() { + + Map<String, Object> streamSubscribes = Configuration.getInstance().getStreamsSubscribes(); + + String pmTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes + .get("performance_management_topic")).get("dmaap_info")).get("topic_url"); + String[] pmTopicSplit = pmTopicUrl.split("\\/"); + String pmTopic = pmTopicSplit[pmTopicSplit.length - 1]; + log.debug("pm topic : {}", pmTopic); + String policyResponseTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes + .get("dcae_cl_response_topic")).get("dmaap_info")).get("topic_url"); + String[] policyResponseTopicUrlSplit = policyResponseTopicUrl.split("\\/"); + String policyResponseTopic = policyResponseTopicUrlSplit[policyResponseTopicUrlSplit.length - 1]; + log.debug("policyResponse Topic : {}", policyResponseTopic); + CambriaConsumer pmNotifCambriaConsumer = null; + CambriaConsumer policyResponseCambriaConsumer = null; + + pmNotifCambriaConsumer = dmaapUtils.buildConsumer(configuration, pmTopic); + policyResponseCambriaConsumer = dmaapUtils.buildConsumer(configuration, policyResponseTopic); + + ScheduledExecutorService executorPool; + + // create notification consumers for PM + NotificationConsumer pmNotificationConsumer = new NotificationConsumer(pmNotifCambriaConsumer, + new PmNotificationCallback()); + // start pm notification consumer threads + executorPool = Executors.newScheduledThreadPool(10); + executorPool.scheduleAtFixedRate(pmNotificationConsumer, 0, configuration.getPollingInterval(), + TimeUnit.SECONDS); + + // create notification consumers for Policy + NotificationConsumer policyNotificationConsumer = new NotificationConsumer(policyResponseCambriaConsumer, + new PolicyNotificationCallback()); + // start policy notification consumer threads + executorPool = Executors.newScheduledThreadPool(10); + executorPool.scheduleAtFixedRate(policyNotificationConsumer, 0, configuration.getPollingInterval(), + TimeUnit.SECONDS); + + + + } + +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NewPmNotification.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NewPmNotification.java new file mode 100644 index 00000000..5c1f496b --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NewPmNotification.java @@ -0,0 +1,65 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import javax.annotation.PostConstruct; + +import org.springframework.stereotype.Component; + +/** + * This class indicates whether new pm notification + * is set for the slice-analysis-ms + */ +@Component +public class NewPmNotification { + + private Boolean newNotif; + + /** + * Initialize new pm Notification flag + */ + @PostConstruct + public void init() { + newNotif = false; + } + + public Boolean getNewNotif() { + return newNotif; + } + + public void setNewNotif(Boolean newNotif) { + this.newNotif = newNotif; + } + + public NewPmNotification(Boolean newNotif) { + super(); + this.newNotif = newNotif; + } + + /** + * Default constructor + */ + public NewPmNotification() { + + } + +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationCallback.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationCallback.java new file mode 100644 index 00000000..427b4048 --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationCallback.java @@ -0,0 +1,28 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +public abstract class NotificationCallback { + + public abstract void activateCallBack(String msg); + +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationConsumer.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationConsumer.java new file mode 100644 index 00000000..b605264c --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationConsumer.java @@ -0,0 +1,63 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import com.att.nsa.cambria.client.CambriaConsumer; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Consume Notifications from DMAAP events + */ +public class NotificationConsumer implements Runnable { + + private static Logger log = LoggerFactory.getLogger(NotificationConsumer.class); + private CambriaConsumer cambriaConsumer; + private NotificationCallback notificationCallback; + + /** + * Parameterized Constructor. + */ + public NotificationConsumer(CambriaConsumer cambriaConsumer, NotificationCallback notificationCallback) { + super(); + this.cambriaConsumer = cambriaConsumer; + this.notificationCallback = notificationCallback; + } + + /** + * starts fetching msgs from dmaap events + */ + @Override + public void run() { + try { + Iterable<String> msgs = cambriaConsumer.fetch(); + for (String msg : msgs) { + log.debug(msg); + notificationCallback.activateCallBack(msg); + } + } catch (Exception e) { + log.debug("exception when fetching msgs from dmaap", e); + } + + } +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationProducer.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationProducer.java new file mode 100644 index 00000000..03e1c238 --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/NotificationProducer.java @@ -0,0 +1,53 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import com.att.nsa.cambria.client.CambriaBatchingPublisher; + +import java.io.IOException; + +/** + * Produces Notification on DMAAP events + */ +public class NotificationProducer { + + private CambriaBatchingPublisher cambriaBatchingPublisher; + + + /** + * Parameterized constructor. + */ + public NotificationProducer(CambriaBatchingPublisher cambriaBatchingPublisher) { + super(); + this.cambriaBatchingPublisher = cambriaBatchingPublisher; + } + + /** + * sends notification to dmaap. + */ + public int sendNotification(String msg) throws IOException { + + return cambriaBatchingPublisher.send("", msg); + + } + +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PmNotificationCallback.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PmNotificationCallback.java new file mode 100644 index 00000000..17e50aca --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PmNotificationCallback.java @@ -0,0 +1,58 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import org.onap.slice.analysis.ms.data.beans.PerformanceNotifications; +import org.onap.slice.analysis.ms.data.repository.PerformanceNotificationsRepository; +import org.onap.slice.analysis.ms.utils.BeanUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Handles Notification on dmaap for Performance events + */ +public class PmNotificationCallback extends NotificationCallback { + + private static Logger log = LoggerFactory.getLogger(PmNotificationCallback.class); + + @Override + public void activateCallBack(String msg) { + handleNotification(msg); + } + + /** + * Parse Performance dmaap notification and save to DB + * @param msg + */ + private void handleNotification(String msg) { + + PerformanceNotificationsRepository performanceNotificationsRepository = BeanUtil + .getBean(PerformanceNotificationsRepository.class); + PerformanceNotifications performanceNotification = new PerformanceNotifications(); + performanceNotification.setNotification(msg); + log.info("Performance notification {}", performanceNotification); + NewPmNotification newNotification = BeanUtil.getBean(NewPmNotification.class); + performanceNotificationsRepository.save(performanceNotification); + newNotification.setNewNotif(true); + } + +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PolicyDmaapClient.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PolicyDmaapClient.java new file mode 100644 index 00000000..81ca9ef1 --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PolicyDmaapClient.java @@ -0,0 +1,68 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import com.att.nsa.cambria.client.CambriaBatchingPublisher; +import java.io.IOException; +import java.util.Map; + +import org.onap.slice.analysis.ms.beans.Configuration; +import org.onap.slice.analysis.ms.utils.DmaapUtils; + +/** + * Client class to handle Policy interactions + */ +public class PolicyDmaapClient { + + private DmaapUtils dmaapUtils; + + private Configuration configuration; + + public PolicyDmaapClient(DmaapUtils dmaapUtils, Configuration configuration) { + this.dmaapUtils = dmaapUtils; + this.configuration = configuration; + } + + /** + * Method stub for sending notification to policy. + */ + @SuppressWarnings("unchecked") + public boolean sendNotificationToPolicy(String msg) { + Map<String, Object> streamsPublishes = configuration.getStreamsPublishes(); + String policyTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamsPublishes.get("CL_topic")) + .get("dmaap_info")).get("topic_url"); + String[] policyTopicSplit = policyTopicUrl.split("\\/"); + String policyTopic = policyTopicSplit[policyTopicSplit.length - 1]; + CambriaBatchingPublisher cambriaBatchingPublisher; + try { + + cambriaBatchingPublisher = dmaapUtils.buildPublisher(configuration, policyTopic); + + NotificationProducer notificationProducer = new NotificationProducer(cambriaBatchingPublisher); + notificationProducer.sendNotification(msg); + } catch (IOException e) { + return false; + } + return true; + } + +} diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PolicyNotificationCallback.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PolicyNotificationCallback.java new file mode 100644 index 00000000..57aadd18 --- /dev/null +++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/dmaap/PolicyNotificationCallback.java @@ -0,0 +1,49 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * slice-analysis-ms + * ================================================================================ + * Copyright (C) 2020 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.slice.analysis.ms.dmaap; + +import org.slf4j.Logger; + +/** + * Handles Notification on dmaap for Policy events + */ +public class PolicyNotificationCallback extends NotificationCallback { + + private static final Logger log = org.slf4j.LoggerFactory.getLogger(PolicyNotificationCallback.class); + + /** + * Trigger on Notification from policy component + */ + @Override + public void activateCallBack(String msg) { + handlePolicyNotification(msg); + } + + /** + * Parse and take actions on reception of Notification from Policy + * @param msg + */ + private void handlePolicyNotification(String msg) { + log.info("Message received from policy: " +msg); + //TBD - actions to perform on reception of notification from policy + } +} |