--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2017-2019 Intel Corp. All rights reserved.
+ * Modifications Copyright (C) 2019 Nordix Foundation.
+ * Modifications Copyright (C) 2018-2019 AT&T Corporation. All rights reserved.
+ * Modifications Copyright (C) 2019 Samsung Electronics Co., Ltd.
+ * ================================================================================
+ * 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.policy.vfc;
+
+import com.google.gson.JsonSyntaxException;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.drools.core.WorkingMemory;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.utils.NetLoggerUtil;
+import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
+import org.onap.policy.drools.system.PolicyEngine;
+import org.onap.policy.rest.RestManager;
+import org.onap.policy.rest.RestManager.Pair;
+import org.onap.policy.vfc.util.Serialization;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class VfcManager implements Runnable {
+
+ private String vfcUrlBase;
+ private String username;
+ private String password;
+ private VfcRequest vfcRequest;
+ private WorkingMemory workingMem;
+ private static final Logger logger = LoggerFactory.getLogger(VfcManager.class);
+
+ // The REST manager used for processing REST calls for this VFC manager
+ private RestManager restManager;
+
+ /**
+ * Constructor.
+ *
+ * @param wm Drools working memory
+ * @param request request
+ */
+ public VfcManager(WorkingMemory wm, VfcRequest request) {
+ if (wm == null || request == null) {
+ throw new IllegalArgumentException(
+ "the parameters \"wm\" and \"request\" on the VfcManager constructor may not be null");
+ }
+ workingMem = wm;
+ vfcRequest = request;
+
+ restManager = new RestManager();
+
+ // use getPEManagerEnvProperty() for required properties; others are optional
+ setVfcParams(getPeManagerEnvProperty("vfc.url"), PolicyEngine.manager.getEnvironmentProperty("vfc.username"),
+ PolicyEngine.manager.getEnvironmentProperty("vfc.password"));
+ }
+
+ /**
+ * Set the parameters.
+ *
+ * @param baseUrl base URL
+ * @param name username
+ * @param pwd password
+ */
+ public void setVfcParams(String baseUrl, String name, String pwd) {
+ vfcUrlBase = baseUrl + "/api/nslcm/v1";
+ username = name;
+ password = pwd;
+ }
+
+ @Override
+ public void run() {
+ Map<String, String> headers = new HashMap<>();
+ Pair<Integer, String> httpDetails;
+
+ VfcResponse responseError = new VfcResponse();
+ responseError.setResponseDescriptor(new VfcResponseDescriptor());
+ responseError.getResponseDescriptor().setStatus("error");
+
+ headers.put("Accept", "application/json");
+ String vfcUrl = vfcUrlBase + "/ns/" + vfcRequest.getNsInstanceId() + "/heal";
+ try {
+ String vfcRequestJson = Serialization.gsonPretty.toJson(vfcRequest);
+ NetLoggerUtil.log(EventType.OUT, CommInfrastructure.REST, vfcUrl, vfcRequestJson);
+
+ httpDetails = restManager.post(vfcUrl, username, password, headers, "application/json", vfcRequestJson);
+ } catch (Exception e) {
+ logger.error(e.getMessage(), e);
+ workingMem.insert(responseError);
+ return;
+ }
+
+ if (httpDetails == null) {
+ workingMem.insert(responseError);
+ return;
+ }
+
+ if (httpDetails.first != 202) {
+ logger.warn("VFC Heal Restcall failed");
+ return;
+ }
+
+ try {
+ VfcResponse response = Serialization.gsonPretty.fromJson(httpDetails.second, VfcResponse.class);
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, vfcUrl, httpDetails.second);
+ String body = Serialization.gsonPretty.toJson(response);
+ logger.debug("Response to VFC Heal post:");
+ logger.debug(body);
+
+ String jobId = response.getJobId();
+ int attemptsLeft = 20;
+
+ String urlGet = vfcUrlBase + "/jobs/" + jobId;
+ VfcResponse responseGet = null;
+
+ while (attemptsLeft-- > 0) {
+ NetLoggerUtil.getNetworkLogger().info("[OUT|{}|{}|]", "VFC", urlGet);
+ Pair<Integer, String> httpDetailsGet = restManager.get(urlGet, username, password, headers);
+ responseGet = Serialization.gsonPretty.fromJson(httpDetailsGet.second, VfcResponse.class);
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, vfcUrl, httpDetailsGet.second);
+ responseGet.setRequestId(vfcRequest.getRequestId().toString());
+ body = Serialization.gsonPretty.toJson(responseGet);
+ logger.debug("Response to VFC Heal get:");
+ logger.debug(body);
+
+ String responseStatus = responseGet.getResponseDescriptor().getStatus();
+ if (httpDetailsGet.first == 200
+ && ("finished".equalsIgnoreCase(responseStatus) || "error".equalsIgnoreCase(responseStatus))) {
+ logger.debug("VFC Heal Status {}", responseGet.getResponseDescriptor().getStatus());
+ workingMem.insert(responseGet);
+ break;
+ }
+ Thread.sleep(20000);
+ }
+ if ((attemptsLeft <= 0) && (responseGet != null) && (responseGet.getResponseDescriptor() != null)
+ && (responseGet.getResponseDescriptor().getStatus() != null)
+ && (!responseGet.getResponseDescriptor().getStatus().isEmpty())) {
+ logger.debug("VFC timeout. Status: ({})", responseGet.getResponseDescriptor().getStatus());
+ workingMem.insert(responseGet);
+ }
+ } catch (JsonSyntaxException e) {
+ logger.error("Failed to deserialize into VfcResponse {}", e.getLocalizedMessage(), e);
+ } catch (InterruptedException e) {
+ logger.error("Interrupted exception: {}", e.getLocalizedMessage(), e);
+ Thread.currentThread().interrupt();
+ } catch (Exception e) {
+ logger.error("Unknown error deserializing into VfcResponse {}", e.getLocalizedMessage(), e);
+ }
+ }
+
+ /**
+ * Protected setter for rest manager to allow mocked rest manager to be used for testing.
+ *
+ * @param restManager the test REST manager
+ */
+ protected void setRestManager(final RestManager restManager) {
+ this.restManager = restManager;
+ }
+
+ /**
+ * This method reads and validates environmental properties coming from the policy engine. Null
+ * properties cause an {@link IllegalArgumentException} runtime exception to be thrown
+ *
+ * @param string the name of the parameter to retrieve
+ * @return the property value
+ */
+
+ private String getPeManagerEnvProperty(String enginePropertyName) {
+ String enginePropertyValue = PolicyEngine.manager.getEnvironmentProperty(enginePropertyName);
+ if (enginePropertyValue == null) {
+ throw new IllegalArgumentException("The value of policy engine manager environment property \""
+ + enginePropertyName + "\" may not be null");
+ }
+ return enginePropertyValue;
+ }
+}
Code Review / policy / models.git / blobdiff