From: Shiwei Tian Date: Tue, 12 Sep 2017 07:09:39 +0000 (+0800) Subject: Add dmaap response convert X-Git-Tag: v1.0.0~19 X-Git-Url: https://gerrit.onap.org/r/gitweb?p=holmes%2Fdsa.git;a=commitdiff_plain;h=ac1c9d5d03755543254779129468a48ced972c2c Add dmaap response convert Issue-ID: HOLMES-29 Change-Id: Ie5f7c772db16ed8b9568105310783c9a734fe478 Signed-off-by: Shiwei Tian --- diff --git a/dmaap-dsa/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java b/dmaap-dsa/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java new file mode 100644 index 0000000..72b76c1 --- /dev/null +++ b/dmaap-dsa/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java @@ -0,0 +1,110 @@ +/* + * 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.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import org.jvnet.hk2.annotations.Service; +import org.onap.holmes.common.api.stat.AlarmAdditionalField; +import org.onap.holmes.common.api.stat.VesAlarm; + +@Service +public class DMaaPResponseUtil { + + public VesAlarm convertJsonToVesAlarm(String responseJson) throws IOException { + ObjectMapper mapper = new ObjectMapper(); + JsonNode jsonNode = mapper.readTree(responseJson); + VesAlarm vesAlarm = new VesAlarm(); + + JsonNode eventJson = jsonNode.get("event"); + + JsonNode commonEventHeaderJson = eventJson.get("commonEventHeader"); + convertCommonEventHeaderJsonToEvent(commonEventHeaderJson, vesAlarm); + + JsonNode faultFieldsJson = eventJson.get("faultFields"); + convertFaultFieldsJsonToEvent(faultFieldsJson, vesAlarm); + return vesAlarm; + } + + private void convertCommonEventHeaderJsonToEvent(JsonNode commonEventHeaderJson, + VesAlarm vesAlarm) { + vesAlarm.setDomain(commonEventHeaderJson.get("domain").asText()); + vesAlarm.setEventId(commonEventHeaderJson.get("eventId").asText()); + vesAlarm.setEventName(commonEventHeaderJson.get("eventName").asText()); + vesAlarm.setEventType(getTextElementByNode(commonEventHeaderJson, "eventType")); + vesAlarm.setInternalHeaderFields( + getTextElementByNode(commonEventHeaderJson, "internalHeaderFields")); + vesAlarm.setLastEpochMicrosec(commonEventHeaderJson.get("lastEpochMicfrosec").asLong()); + vesAlarm.setNfcNamingCode(getTextElementByNode(commonEventHeaderJson, "nfcNamingCode")); + vesAlarm.setNfNamingCode(getTextElementByNode(commonEventHeaderJson, "nfNamingCode")); + vesAlarm.setPriority(commonEventHeaderJson.get("priority").asText()); + vesAlarm.setReportingEntityId( + getTextElementByNode(commonEventHeaderJson, "reportingEntityId")); + vesAlarm.setReportingEntityName(commonEventHeaderJson.get("reprotingEntityName").asText()); + vesAlarm.setSequence(commonEventHeaderJson.get("sequence").asInt()); + vesAlarm.setSourceId(getTextElementByNode(commonEventHeaderJson, "sourceId")); + vesAlarm.setSourceName(commonEventHeaderJson.get("sourceName").asText()); + vesAlarm.setStartEpochMicrosec(commonEventHeaderJson.get("startEpochMicrosec").asLong()); + vesAlarm.setVersion(commonEventHeaderJson.get("version").asLong()); + } + + private void convertFaultFieldsJsonToEvent(JsonNode faultFieldsJson, VesAlarm vesAlarm) { + vesAlarm.setAlarmAdditionalInformation(getListElementByNode(faultFieldsJson, "alarmAdditionalInformation")); + vesAlarm.setAlarmCondition(faultFieldsJson.get("alarmCondition").asText()); + vesAlarm.setAlarmInterfaceA(getTextElementByNode(faultFieldsJson, "alarmInterfaceA")); + vesAlarm.setEventCategory(getTextElementByNode(faultFieldsJson,"eventCategory")); + vesAlarm.setEventSeverity(faultFieldsJson.get("eventSeverity").asText()); + vesAlarm.setEventSourceType(faultFieldsJson.get("eventSourceType").asText()); + vesAlarm.setFaultFieldsVersion(faultFieldsJson.get("faultFieldsVersion").asLong()); + vesAlarm.setSpecificProblem(faultFieldsJson.get("specificProblem").asText()); + vesAlarm.setVfStatus(faultFieldsJson.get("vfStatus").asText()); + } + + private String getTextElementByNode(JsonNode jsonNode,String name){ + if(jsonNode.has(name)){ + return jsonNode.get(name).asText(); + } + return null; + } + + private Long getLongElementByNode(JsonNode jsonNode, String name) { + if(jsonNode.has(name)){ + return jsonNode.get(name).asLong(); + } + return null; + } + + private List getListElementByNode(JsonNode jsonNode, String name){ + List alarms = new ArrayList(); + if (jsonNode.has(name)) { + JsonNode alarmAdditionalInformations = jsonNode.get(name); + if (alarmAdditionalInformations.isArray()) { + alarmAdditionalInformations.forEach(alarm -> { + if(alarm.has("name") && alarm.has("value")) { + AlarmAdditionalField field = new AlarmAdditionalField(); + field.setName(getTextElementByNode(alarm, "name")); + field.setName(getTextElementByNode(alarm, "value")); + alarms.add(field); + } + }); + } + } + return alarms; + } +} diff --git a/dmaap-dsa/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java b/dmaap-dsa/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java new file mode 100644 index 0000000..3563b66 --- /dev/null +++ b/dmaap-dsa/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java @@ -0,0 +1,88 @@ +/* + * 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 java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import javax.inject.Inject; +import javax.ws.rs.client.Client; +import javax.ws.rs.client.ClientBuilder; +import javax.ws.rs.client.WebTarget; +import javax.ws.rs.core.Response; +import lombok.Getter; +import lombok.Setter; +import org.glassfish.jersey.client.ClientConfig; +import org.onap.holmes.common.api.stat.VesAlarm; +import org.onap.holmes.common.exception.CorrelationException; + +@Getter +@Setter +public class Subscriber { + + @Inject + private DMaaPResponseUtil dMaaPResponseUtil; + + /** + * 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 = 15000; + + private boolean secure; + private String topic; + private String url; + private String consumerGroup = "g0"; + private String consumer = "u1"; + private String authInfo; + private String authExpDate; + + public List subscribe() throws CorrelationException { + List response = getDMaaPData(); + try { + return extractVesAlarm(response); + } catch (Exception e) { + throw new CorrelationException("Failed to convert the response data to VES alarms.", e); + } + } + + private List getDMaaPData() { + Client client = ClientBuilder.newClient(new ClientConfig()); + WebTarget webTarget = client.target(url); + Response response = webTarget.path(topic).path(consumerGroup).path(consumer).request().get(); + return response.readEntity(List.class); + } + + List extractVesAlarm(List responseEntity) throws IOException { + List vesAlarmList = new ArrayList<>(); + for (String entity : responseEntity) { + vesAlarmList.add(dMaaPResponseUtil.convertJsonToVesAlarm(entity)); + } + return vesAlarmList; + } +}