summaryrefslogtreecommitdiffstats
path: root/engine-d/src/main
diff options
context:
space:
mode:
authorGuangrongFu <fu.guangrong@zte.com.cn>2019-02-20 08:44:40 +0800
committerGuangrongFu <fu.guangrong@zte.com.cn>2019-02-20 08:44:40 +0800
commit1d8c0955bc266f08559385a58b2f40a9457cd5d9 (patch)
tree2a7b4aa6998e2611d6d6d852aad8f744d50871c3 /engine-d/src/main
parent37c34f3c2d55f92940f58eaa37dace6edaf91166 (diff)
Merged DSA into the Engine Mgmt Module
Change-Id: If6b4e8345dcda8599606989ba9f4afd3497e48f1 Issue-ID: HOLMES-199 Signed-off-by: GuangrongFu <fu.guangrong@zte.com.cn>
Diffstat (limited to 'engine-d/src/main')
-rw-r--r--engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java112
-rw-r--r--engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java116
2 files changed, 228 insertions, 0 deletions
diff --git a/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java
new file mode 100644
index 0000000..be30153
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * 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.onap.holmes.dsa.dmaappolling;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.api.stat.AlarmAdditionalField;
+import org.onap.holmes.common.api.stat.VesAlarm;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class DMaaPResponseUtil {
+
+ public VesAlarm convertJsonToVesAlarm(String responseJson) throws IOException {
+ JSONObject jsonNode = JSON.parseObject(responseJson);
+
+ VesAlarm vesAlarm = new VesAlarm();
+
+ JSONObject eventJson = JSON.parseObject(jsonNode.get("event") +"");
+ JSONObject commonEventHeaderJson = JSON.parseObject(eventJson.get("commonEventHeader") +"");
+ convertCommonEventHeaderJsonToEvent(commonEventHeaderJson, vesAlarm);
+
+ JSONObject faultFieldsJson = JSON.parseObject(eventJson.get("faultFields") +"");
+ convertFaultFieldsJsonToEvent(faultFieldsJson, vesAlarm);
+ return vesAlarm;
+ }
+
+ private void convertCommonEventHeaderJsonToEvent(JSONObject commonEventHeaderJson,
+ VesAlarm vesAlarm) {
+ vesAlarm.setDomain((String) commonEventHeaderJson.get("domain"));
+ vesAlarm.setEventId((String) commonEventHeaderJson.get("eventId"));
+ vesAlarm.setEventName((String) commonEventHeaderJson.get("eventName"));
+ vesAlarm.setAlarmIsCleared(vesAlarm.getEventName().endsWith("Cleared") ? 1 : 0);
+ vesAlarm.setEventType(getTextElementByNode(commonEventHeaderJson, "eventType"));
+ vesAlarm.setInternalHeaderFields(
+ getTextElementByNode(commonEventHeaderJson, "internalHeaderFields"));
+ vesAlarm.setLastEpochMicrosec(commonEventHeaderJson.getLong("lastEpochMicrosec"));
+ vesAlarm.setNfcNamingCode(getTextElementByNode(commonEventHeaderJson, "nfcNamingCode"));
+ vesAlarm.setNfNamingCode(getTextElementByNode(commonEventHeaderJson, "nfNamingCode"));
+ vesAlarm.setPriority((String) commonEventHeaderJson.get("priority"));
+ vesAlarm.setReportingEntityId(
+ getTextElementByNode(commonEventHeaderJson, "reportingEntityId"));
+ vesAlarm.setReportingEntityName( (String) commonEventHeaderJson.get("reportingEntityName"));
+ vesAlarm.setSequence((Integer) commonEventHeaderJson.get("sequence"));
+ vesAlarm.setSourceId(getTextElementByNode(commonEventHeaderJson, "sourceId"));
+ vesAlarm.setSourceName( (String) commonEventHeaderJson.get("sourceName"));
+ vesAlarm.setStartEpochMicrosec(commonEventHeaderJson.getLong("startEpochMicrosec"));
+ vesAlarm.setVersion(commonEventHeaderJson.getLong("version"));
+ }
+
+ private void convertFaultFieldsJsonToEvent(JSONObject faultFieldsJson, VesAlarm vesAlarm) {
+ vesAlarm.setAlarmAdditionalInformation(getListElementByNode(faultFieldsJson, "alarmAdditionalInformation"));
+ vesAlarm.setAlarmCondition(faultFieldsJson.getString("alarmCondition"));
+ vesAlarm.setAlarmInterfaceA(getTextElementByNode(faultFieldsJson, "alarmInterfaceA"));
+ vesAlarm.setEventCategory(getTextElementByNode(faultFieldsJson,"eventCategory"));
+ vesAlarm.setEventSeverity(faultFieldsJson.getString("eventSeverity"));
+ vesAlarm.setEventSourceType(faultFieldsJson.getString("eventSourceType"));
+ vesAlarm.setFaultFieldsVersion(faultFieldsJson.getLong("faultFieldsVersion"));
+ vesAlarm.setSpecificProblem(faultFieldsJson.getString("specificProblem"));
+ vesAlarm.setVfStatus(faultFieldsJson.getString("vfStatus"));
+ }
+
+ private String getTextElementByNode(JSONObject jsonNode,String name){
+ if(jsonNode.get(name) != null){
+ return jsonNode.getString(name);
+ }
+ return null;
+ }
+
+ private Long getLongElementByNode(JSONObject jsonNode, String name) {
+ if(jsonNode.get(name) != null){
+ return jsonNode.getLong(name);
+ }
+ return null;
+ }
+
+ private List<AlarmAdditionalField> getListElementByNode(JSONObject jsonNode, String name){
+ List<AlarmAdditionalField> alarms = new ArrayList<AlarmAdditionalField>();
+ if (jsonNode.get(name) != null) {
+ JSONArray alarmAdditionalInformations = jsonNode.getJSONArray(name);
+ for (int i = 0; i < alarmAdditionalInformations.size(); i++) {
+ JSONObject jsonObject = alarmAdditionalInformations.getJSONObject(i);
+ if (jsonObject.get("name") != null
+ && jsonObject.get("value") != null) {
+ AlarmAdditionalField field = new AlarmAdditionalField();
+ field.setName(getTextElementByNode(jsonObject, "name"));
+ field.setValue(getTextElementByNode(jsonObject, "value"));
+ alarms.add(field);
+ }
+ }
+ }
+ return alarms;
+ }
+}
diff --git a/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java
new file mode 100644
index 0000000..160fc38
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * 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.onap.holmes.dsa.dmaappolling;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.onap.holmes.common.api.stat.VesAlarm;
+import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
+import org.onap.holmes.common.exception.CorrelationException;
+import org.onap.holmes.common.utils.GsonUtil;
+import org.onap.holmes.common.utils.HttpsUtils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+@Setter
+@Slf4j
+public class Subscriber {
+
+ private DMaaPResponseUtil dMaaPResponseUtil = ServiceLocatorHolder.getLocator()
+ .getService(DMaaPResponseUtil.class);
+
+ /**
+ * The number of milliseconds to wait for messages if none are immediately available. This
+ * should normally be used, and set at 15000 or higher.
+ */
+ private int timeout = 15000;
+
+ /**
+ * The maximum number of messages to return
+ */
+ private int limit = 100;
+
+ /**
+ * The number of milliseconds to poll interval time. This should normally be used, and set at
+ * 15000 or higher.
+ */
+ private int period = timeout;
+
+ private boolean secure;
+ private String topic;
+ private String url;
+ private String uuid = UUID.randomUUID() + "";
+ private String consumerGroup = "homlesGroup" + uuid;
+ private String consumer = "homles" + uuid;
+ private String authInfo;
+ private String authExpDate;
+
+ public List<VesAlarm> subscribe() throws CorrelationException {
+ List<String> response;
+ try {
+ response = getDMaaPData();
+ } catch (Exception e) {
+ throw new CorrelationException("Failed to get data from DMaaP.", e);
+ }
+ try {
+ return extractVesAlarm(response);
+ } catch (Exception e) {
+ throw new CorrelationException("Failed to convert the response data to VES alarms.", e);
+ }
+ }
+
+ private List<String> getDMaaPData() throws Exception {
+ String response;
+ CloseableHttpClient closeableHttpClient = null;
+ HttpGet httpGet = new HttpGet(url + "/" + consumerGroup + "/" + consumer + "?timeout=" + period);
+ try {
+ closeableHttpClient = HttpsUtils.getHttpClient(timeout);
+ HttpResponse httpResponse = HttpsUtils
+ .get(httpGet, new HashMap<>(), closeableHttpClient);
+ response = HttpsUtils.extractResponseEntity(httpResponse);
+ } catch (Exception e) {
+ throw e;
+ } finally {
+ httpGet.releaseConnection();
+ if (closeableHttpClient != null) {
+ try {
+ closeableHttpClient.close();
+ } catch (IOException e) {
+ log.warn("Failed to close http client!");
+ }
+ }
+ }
+ return GsonUtil.jsonToBean(response, List.class);
+ }
+
+ private List<VesAlarm> extractVesAlarm(List<String> responseEntity) throws IOException {
+ List<VesAlarm> vesAlarmList = new ArrayList<>();
+ for (String entity : responseEntity) {
+ vesAlarmList.add(dMaaPResponseUtil.convertJsonToVesAlarm(entity));
+ }
+ return vesAlarmList;
+ }
+}