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/*
* Copyright © 2018 European Support Limited
*
* 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.openecomp.sdcrests.item.rest.services;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.onap.sdc.tosca.services.YamlUtil;
import org.openecomp.core.utilities.json.JsonUtil;
import org.openecomp.sdc.common.session.SessionContextProviderFactory;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.openecomp.sdc.logging.api.LoggingContext;
import org.openecomp.sdcrests.item.types.ItemAction;
public class CatalogNotifier {
private static final Logger LOGGER = LoggerFactory.getLogger(CatalogNotifier.class);
private static final String USER_ID_HEADER_PARAM = "USER_ID";
private static final String CONFIG_FILE = "configuration.yaml";
private static final String PROTOCOL_KEY = "beProtocol";
private static final String HOST_KEY = "beFqdn";
private static final String PORT_KEY = "beHttpPort";
private static final String URL_KEY = "onboardCatalogNotificationUrl";
private static final String URL_DEFAULT_FORMAT = "%s://%s:%s/sdc2/rest/v1/catalog/notif/vsp/";
private static String configurationYamlFile = System.getProperty(CONFIG_FILE);
private static String notifyCatalogUrl;
private static ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
static {
Function<InputStream, Map<String, LinkedHashMap<String, Object>>> reader = is -> {
YamlUtil yamlUtil = new YamlUtil();
return yamlUtil.yamlToMap(is);
};
Map<String, LinkedHashMap<String, Object>> configurationMap;
try {
configurationMap = readFromFile(configurationYamlFile, reader);
} catch (IOException e) {
throw new RuntimeException("Could not read configuration file configuration.yaml");
}
Object protocol = configurationMap.get(PROTOCOL_KEY);
Object host = configurationMap.get(HOST_KEY);
Object port = configurationMap.get(PORT_KEY);
if (protocol == null || host == null || port == null) {
throw new RuntimeException("Could not read configuration file configuration.yaml");
}
if (configurationMap.get(URL_KEY) != null) {
String urlFormat = String.valueOf(configurationMap.get(URL_KEY));
notifyCatalogUrl =
String.format(urlFormat, String.valueOf(protocol), String.valueOf(host), String.valueOf(port));
} else {
notifyCatalogUrl = String.format(URL_DEFAULT_FORMAT, String.valueOf(protocol), String.valueOf(host),
String.valueOf(port));
}
}
public void execute(Collection<String> itemIds, ItemAction action, int numOfRetries) {
String userId = SessionContextProviderFactory.getInstance().createInterface().get().getUser().getUserId();
Callable callable = createCallable(JsonUtil.object2Json(itemIds), action, numOfRetries, userId);
executor.submit(callable);
}
private Callable createCallable(String itemIds, ItemAction action, int numOfRetries, String userId) {
Callable callable = () -> handleHttpRequest(getUrl(action), itemIds, action, userId, numOfRetries);
LoggingContext.copyToCallable(callable);
return callable;
}
private Void handleHttpRequest(String url, String itemIds, ItemAction action, String userId,
int numOfRetries) {
try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
HttpPost request = createPostRequest(url, itemIds, userId);
HttpResponse response = httpclient.execute(request);
LOGGER.error(
String.format("Catalog notification on vspId - %s action - %s. Response: %s", itemIds,
action.name(), response.getStatusLine()));
if (numOfRetries > 1 && response.getStatusLine().getStatusCode() == 500) {
Callable callable =
createCallable(getFailedIds(itemIds, response.getEntity()), action, --numOfRetries, userId);
executor.schedule(callable, 5 , TimeUnit.SECONDS);
}
} catch (Exception e) {
LOGGER.error(String.format("Catalog notification on vspId - %s action - %s FAILED. Error: %S",
itemIds.toString(), action.name(), e.getMessage()));
}
return null;
}
private String getFailedIds(String itemIds, HttpEntity responseBody) {
try {
Map jsonBody = JsonUtil.json2Object(responseBody.getContent(), Map.class);
return jsonBody.get("failedIds").toString();
} catch (Exception e) {
LOGGER.error("Catalog Notification RETRY - no failed IDs in response");
}
return JsonUtil.object2Json(itemIds);
}
private HttpPost createPostRequest(String postUrl, String itemIds, String userId)
throws UnsupportedEncodingException {
HttpPost request = new HttpPost(postUrl);
request.addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON);
request.addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
request.addHeader(USER_ID_HEADER_PARAM, userId);
HttpEntity entity = new StringEntity(itemIds);
request.setEntity(entity);
return request;
}
private String getUrl(ItemAction action) {
String actionStr = "";
if (action == ItemAction.ARCHIVE) {
actionStr = "archived";
} else if (action == ItemAction.RESTORE) {
actionStr = "restored";
}
LOGGER.error("Catalog notification on URL - " + notifyCatalogUrl + actionStr);
return notifyCatalogUrl + actionStr;
}
private static <T> T readFromFile(String file, Function<InputStream, T> reader) throws IOException {
try (InputStream is = new FileInputStream(file)) {
return reader.apply(is);
}
}
}
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