--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Modifications Copyright (C) 2019 Ericsson
+ * Modifications Copyright (C) 2019 IBM
+ * =============================================================================
+ * 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.appc.listener.demo.impl;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.io.IOUtils;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.json.JSONObject;
+import org.onap.appc.exceptions.APPCException;
+import org.onap.appc.listener.demo.model.IncomingMessage;
+import org.onap.appc.listener.util.HttpClientUtil;
+import org.onap.appc.listener.util.Mapper;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+public class ProviderOperations {
+
+ private static final EELFLogger LOG = EELFManager.getInstance().getLogger(ProviderOperations.class);
+
+ private static URL url;
+
+ private static String basic_auth;
+
+ //@formatter:off
+ @SuppressWarnings("nls")
+ private final static String TEMPLATE = "{\"input\": {\"common-request-header\": {\"service-request-id\": \"%s\"},\"config-payload\": {\"config-url\": \"%s\",\"config-json\":\"%s\"}}}";
+ //@formatter:on
+
+ /**
+ * Calls the AppcProvider to run a topology directed graph
+ *
+ * @param msg
+ * The incoming message to be run
+ * @return True if the result is success. Never returns false and throws an exception instead.
+ * @throws UnsupportedEncodingException
+ * @throws Exception
+ * if there was a failure processing the request. The exception message is the failure reason.
+ */
+ @SuppressWarnings("nls")
+ public static boolean topologyDG(IncomingMessage msg) throws APPCException {
+ if (msg == null) {
+ throw new APPCException("Provided message was null");
+ }
+
+ HttpPost post = null;
+ try {
+ // Concatenate the "action" on the end of the URL
+ String path = url.getPath() + ":" + msg.getAction().getValue();
+ URL serviceUrl = new URL(url.getProtocol(), url.getHost(), url.getPort(), path);
+
+ post = new HttpPost(serviceUrl.toExternalForm());
+ post.setHeader("Content-Type", "application/json");
+ post.setHeader("Accept", "application/json");
+
+ // Set Auth
+ if (basic_auth != null) {
+ post.setHeader("Authorization", "Basic " + basic_auth);
+ }
+
+ //String body = buildReqest(msg.getId(), msg.getUrl(), msg.getIdentityUrl());
+ String body = buildReqest(msg.getHeader().getRequestID(), msg.getPayload().getGenericVnfId(), msg.getPayload().getStreams());
+ StringEntity entity = new StringEntity(body);
+ entity.setContentType("application/json");
+ post.setEntity(new StringEntity(body));
+ } catch (UnsupportedEncodingException | MalformedURLException e) {
+ throw new APPCException(e);
+ }
+
+ HttpClient client = HttpClientUtil.getHttpClient(url.getProtocol());
+
+ int httpCode = 0;
+ String respBody = null;
+ try {
+ HttpResponse response = client.execute(post);
+ httpCode = response.getStatusLine().getStatusCode();
+ respBody = IOUtils.toString(response.getEntity().getContent());
+ } catch (IOException e) {
+ throw new APPCException(e);
+ }
+
+ if (httpCode == 200 && respBody != null) {
+ JSONObject json;
+ try {
+ json = Mapper.toJsonObject(respBody);
+ } catch (Exception e) {
+ LOG.error("Error prcoessing response from provider. Could not map response to json", e);
+ throw new APPCException("APPC has an unknown RPC error");
+ }
+ boolean success;
+ String reason;
+ try {
+ JSONObject header = json.getJSONObject("output").getJSONObject("common-response-header");
+ success = header.getBoolean("success");
+ reason = header.getString("reason");
+ } catch (Exception e) {
+ LOG.error("Unknown error prcoessing failed response from provider. Json not in expected format", e);
+ throw new APPCException("APPC has an unknown RPC error");
+ }
+ if (success) {
+ return true;
+ }
+ String reasonStr = reason == null ? "Unknown" : reason;
+ LOG.warn(String.format("Topology Operation [%s] failed. Reason: %s", msg.getHeader().getRequestID(), reasonStr));
+ throw new APPCException(reasonStr);
+
+ }
+ throw new APPCException(String.format("Unexpected response from endpoint: [%d] - %s ", httpCode, respBody));
+ }
+
+ /**
+ * Updates the static var URL and returns the value;
+ *
+ * @return The new value of URL
+ */
+ public static String getUrl() {
+ return url.toExternalForm();
+ }
+
+ public static void setUrl(String newUrl) {
+ try {
+ url = new URL(newUrl);
+ } catch (MalformedURLException e) {
+ LOG.error("Malformed URL", e);
+ }
+ }
+
+ /**
+ * Sets the basic authentication header for the given user and password. If either entry is null then set basic auth
+ * to null
+ *
+ * @param user
+ * The user with optional domain name
+ * @param password
+ * The password for the user
+ * @return The new value of the basic auth string that will be used in the request headers
+ */
+ public static String setAuthentication(String user, String password) {
+ if (user != null && password != null) {
+ String authStr = user + ":" + password;
+ basic_auth = new String(org.apache.commons.codec.binary.Base64.encodeBase64(authStr.getBytes()));
+ } else {
+ basic_auth = null;
+ }
+ return basic_auth;
+ }
+
+ /**
+ * Builds the request body for a topology operation
+ *
+ * @param id
+ * The request id
+ * @param url
+ * The vm's url
+ *
+ * @param pgstreams
+ * The streams to send to the traffic generator
+ *
+ * @return A String containing the request body
+ */
+ private static String buildReqest(String id, String url, String pgstreams) {
+
+ return String.format(TEMPLATE, id, url, pgstreams);
+ }
+}