/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2017-2019 Intel Corp. All rights reserved.
- * Modifications Copyright (C) 2019 Nordix Foundation.
+ * Modifications Copyright (C) 2019-2020 Nordix Foundation.
* Modifications Copyright (C) 2018-2019 AT&T Corporation. All rights reserved.
* Modifications Copyright (C) 2019 Samsung Electronics Co., Ltd.
* ================================================================================
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.apache.commons.lang3.tuple.Pair;
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;
private String username;
private String password;
private VfcRequest vfcRequest;
- private WorkingMemory workingMem;
+ private VfcCallback callback;
private static final Logger logger = LoggerFactory.getLogger(VfcManager.class);
// The REST manager used for processing REST calls for this VFC manager
private RestManager restManager;
+ @FunctionalInterface
+ public interface VfcCallback {
+ void onResponse(VfcResponse responseError);
+ }
+
/**
* Constructor.
*
- * @param wm Drools working memory
+ * @param cb Callback method to call when response
* @param request request
+ * @param url URL to VFC component
+ * @param user username
+ * @param pwd password
*/
- public VfcManager(WorkingMemory wm, VfcRequest request) {
- if (wm == null || request == null) {
+ public VfcManager(VfcCallback cb, VfcRequest request, String url, String user, String pwd) {
+ if (cb == null || request == null) {
+ throw new IllegalArgumentException(
+ "the parameters \"cb\" and \"request\" on the VfcManager constructor may not be null");
+ }
+ if (url == null) {
throw new IllegalArgumentException(
- "the parameters \"wm\" and \"request\" on the VfcManager constructor may not be null");
+ "the \"url\" parameter on the VfcManager constructor may not be null");
}
- workingMem = wm;
+ callback = cb;
vfcRequest = request;
+ vfcUrlBase = url;
+ username = user;
+ password = pwd;
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"));
}
/**
httpDetails = restManager.post(vfcUrl, username, password, headers, "application/json", vfcRequestJson);
} catch (Exception e) {
logger.error(e.getMessage(), e);
- workingMem.insert(responseError);
+ this.callback.onResponse(responseError);
return;
}
if (httpDetails == null) {
- workingMem.insert(responseError);
+ this.callback.onResponse(responseError);
return;
}
- if (httpDetails.first != 202) {
+ if (httpDetails.getLeft() != 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);
- }
+ handleVfcResponse(headers, httpDetails, vfcUrl);
} catch (JsonSyntaxException e) {
logger.error("Failed to deserialize into VfcResponse {}", e.getLocalizedMessage(), e);
} catch (InterruptedException e) {
}
/**
- * Protected setter for rest manager to allow mocked rest manager to be used for testing.
+ * Handle a VFC response message.
*
- * @param restManager the test REST manager
+ * @param headers the headers in the response
+ * @param httpDetails the HTTP details in the response
+ * @param vfcUrl the response URL
+ * @throws InterruptedException on errors in the response
*/
- protected void setRestManager(final RestManager restManager) {
- this.restManager = restManager;
+ private void handleVfcResponse(Map<String, String> headers, Pair<Integer, String> httpDetails, String vfcUrl)
+ throws InterruptedException {
+ VfcResponse response = Serialization.gsonPretty.fromJson(httpDetails.getRight(), VfcResponse.class);
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, vfcUrl, httpDetails.getRight());
+ 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.getRight(), VfcResponse.class);
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, vfcUrl, httpDetailsGet.getRight());
+ 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.getLeft() == 200
+ && ("finished".equalsIgnoreCase(responseStatus) || "error".equalsIgnoreCase(responseStatus))) {
+ logger.debug("VFC Heal Status {}", responseGet.getResponseDescriptor().getStatus());
+ this.callback.onResponse(responseGet);
+ return;
+ }
+ Thread.sleep(20000);
+ }
+ boolean isTimeout = (attemptsLeft <= 0) && (responseGet != null)
+ && (responseGet.getResponseDescriptor() != null);
+ isTimeout = isTimeout && (responseGet.getResponseDescriptor().getStatus() != null)
+ && (!responseGet.getResponseDescriptor().getStatus().isEmpty());
+ if (isTimeout) {
+ logger.debug("VFC timeout. Status: ({})", responseGet.getResponseDescriptor().getStatus());
+ this.callback.onResponse(responseGet);
+ }
}
/**
- * This method reads and validates environmental properties coming from the policy engine. Null
- * properties cause an {@link IllegalArgumentException} runtime exception to be thrown
+ * Protected setter for rest manager to allow mocked rest manager to be used for testing.
*
- * @param string the name of the parameter to retrieve
- * @return the property value
+ * @param restManager the test REST manager
*/
-
- 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;
+ protected void setRestManager(final RestManager restManager) {
+ this.restManager = restManager;
}
}