diff options
Diffstat (limited to 'appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/onap/appc/mdsal/operation/ConfigOperation.java')
-rw-r--r-- | appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/onap/appc/mdsal/operation/ConfigOperation.java | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/onap/appc/mdsal/operation/ConfigOperation.java b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/onap/appc/mdsal/operation/ConfigOperation.java new file mode 100644 index 000000000..1dcf1c6b0 --- /dev/null +++ b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/onap/appc/mdsal/operation/ConfigOperation.java @@ -0,0 +1,295 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP : APPC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Copyright (C) 2017 Amdocs + * ============================================================================= + * 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. + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * ============LICENSE_END========================================================= + */ + +package org.onap.appc.mdsal.operation; + +import org.onap.appc.exceptions.APPCException; +import org.onap.appc.mdsal.impl.Constants; +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.apache.commons.codec.binary.Base64; +import org.apache.http.HttpHeaders; +import org.apache.http.HttpResponse; +import org.apache.http.HttpVersion; +import org.apache.http.client.HttpClient; +import org.apache.http.client.methods.HttpPut; +import org.apache.http.conn.ClientConnectionManager; +import org.apache.http.conn.scheme.PlainSocketFactory; +import org.apache.http.conn.scheme.Scheme; +import org.apache.http.conn.scheme.SchemeRegistry; +import org.apache.http.conn.ssl.SSLSocketFactory; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; +import org.apache.http.params.BasicHttpParams; +import org.apache.http.params.HttpParams; +import org.apache.http.params.HttpProtocolParams; +import org.apache.http.protocol.HTTP; + +import javax.net.ssl.SSLContext; +import javax.net.ssl.TrustManager; +import javax.net.ssl.X509TrustManager; +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.net.MalformedURLException; +import java.net.Socket; +import java.net.URL; +import java.security.*; +import java.security.cert.CertificateException; +import java.security.cert.X509Certificate; +import java.util.ArrayList; +import java.util.Iterator; + +import org.apache.commons.io.IOUtils; + +/** + * Provides method to store configuration to MD-SAL store. It also exposes doPut operation which can be used to invoke REST Put operation. + */ +public class ConfigOperation { + private static final EELFLogger LOG = EELFManager.getInstance().getLogger(ConfigOperation.class); + + private static URL url; + private static String basicAuth; + + ConfigOperation(){} + + private static ConfigOperationRequestFormatter requestFormatter = new ConfigOperationRequestFormatter(); + + private static ObjectMapper mapper = new ObjectMapper(); + + /** + * This method stores configuration JSON to MD-SAL store. Following input parameters are expected as input + * @param configJson - configuration JSON as String. This value will be stored in MD-SAL store + * @param module - Module name that contains yang Schema + * @param containerName - yang container name which will be used as base container. + * @param subModules - Sub modules list if any. Order of sub module is top to bottom. + * @throws APPCException + */ + public static void storeConfig(String configJson , String module, String containerName, String... subModules ) throws APPCException { + if (configJson == null) { + throw new APPCException("Provided message was null"); + } + LOG.debug("Config JSON: " + configJson +"\n" + +"module" + module +"\n" + +"containerName" + containerName +"\n" + +"subModules length : " + subModules.length ); + + int httpCode; + String respBody ; + try { + String path = requestFormatter.buildPath(module, containerName, subModules); + LOG.debug("Configuration Path : " + path); + URL serviceUrl = new URL(url.getProtocol(), url.getHost(), url.getPort(), path); + HttpResponse response = doPut(serviceUrl , configJson); + httpCode = response.getStatusLine().getStatusCode(); + respBody = IOUtils.toString(response.getEntity().getContent()); + } catch (IOException e) { + LOG.error("Error while storing configuration json "+e.getMessage(), e); + throw new APPCException(e); + } + + if (httpCode < 200 || httpCode >= 300 ) { + try { + LOG.debug("Config operation Error response code: " + httpCode); + ArrayList<String> errorMessage = new ArrayList<>(); + JsonNode responseJson = toJsonNodeFromJsonString(respBody); + if(responseJson!=null && responseJson.get("errors")!=null) { + JsonNode errors = responseJson.get("errors").get("error"); + for (Iterator<JsonNode> i = errors.elements();i.hasNext();){ + JsonNode error = i.next(); + errorMessage.add(error.get("error-message").textValue()); + } + } + throw new APPCException("Failed to load config JSON to MD SAL store. Error code:" + httpCode +" Error Message:" + errorMessage.toString()); + } catch (Exception e) { + LOG.error("Error while loading config JSON to MD SAL store. Error code:" + httpCode +" Error Message:" + e.getMessage(), e); + throw new APPCException("Error while loading config JSON to MD SAL store. Error code:" + httpCode +" Error Message:" + e.getMessage(),e); + } + }else{ + LOG.debug("Config operation successful. Response code: " + httpCode); + } + } + + /** + * This is Generic method that can be used to perform REST Put operation + * @param url - Destination URL for put + * @param body - payload for put action which will be sent as request body. + * @return - HttpResponse object which is returned from put REST call. + * @throws APPCException + */ + public static HttpResponse doPut (URL url, String body) throws APPCException { + HttpPut put; + try { + put = new HttpPut(url.toExternalForm()); + put.setHeader(HttpHeaders.CONTENT_TYPE, Constants.OPERATION_APPLICATION_JSON); + put.setHeader(HttpHeaders.ACCEPT, Constants.OPERATION_APPLICATION_JSON); + + if (basicAuth != null) { + put.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + basicAuth); + } + + StringEntity entity = new StringEntity(body); + entity.setContentType(Constants.OPERATION_APPLICATION_JSON); + put.setEntity(new StringEntity(body)); + } catch (UnsupportedEncodingException e) { + throw new APPCException(e); + } + + HttpClient client = getHttpClient(); + + try { + return client.execute(put); + } catch (IOException e) { + throw new APPCException(e); + } + + } + + /** + * 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 " +newUrl + e.getMessage(), 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 (for AAF) + * @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; + basicAuth = new String(Base64.encodeBase64(authStr.getBytes())); + } else { + basicAuth = null; + } + return basicAuth; + } + + @SuppressWarnings("deprecation") + private static HttpClient getHttpClient() throws APPCException { + HttpClient client; + if (url.getProtocol().equals(Constants.OPERATION_HTTPS)) { + try { + KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); + trustStore.load(null, null); + MySSLSocketFactory sf = new MySSLSocketFactory(trustStore); + sf.setHostnameVerifier(MySSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); + + HttpParams params = new BasicHttpParams(); + HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1); + HttpProtocolParams.setContentCharset(params, HTTP.UTF_8); + + SchemeRegistry registry = new SchemeRegistry(); + registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); + registry.register(new Scheme(Constants.OPERATION_HTTPS, sf, 443)); + registry.register(new Scheme(Constants.OPERATION_HTTPS, sf, 8443)); + registry.register(new Scheme("http", sf, 8181)); + + ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry); + client = new DefaultHttpClient(ccm, params); + } catch (Exception e) { + LOG.error("Error creating HTTP Client. Creating default client." , e); + client = new DefaultHttpClient(); + } + } else if ("http".equals(url.getProtocol())) { + client = new DefaultHttpClient(); + } else { + throw new APPCException( + "The provider.topology.url property is invalid. The url did not start with http[s]"); + } + return client; + } + + @SuppressWarnings("deprecation") + private static class MySSLSocketFactory extends SSLSocketFactory { + private SSLContext sslContext = SSLContext.getInstance("TLS"); + + private MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException, + KeyStoreException, UnrecoverableKeyException { + super(truststore); + + TrustManager tm = new X509TrustManager() { + @Override + public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { + LOG.debug("Inside checkClientTrusted"); + } + + @Override + public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { + LOG.debug("Inside checkServerTrusted"); + } + + @Override + public X509Certificate[] getAcceptedIssuers() { + return new X509Certificate[1]; + } + }; + + sslContext.init(null, new TrustManager[]{ + tm + }, null); + } + + @Override + public Socket createSocket(Socket socket, String host, int port, boolean autoClose) + throws IOException { + return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose); + } + + @Override + public Socket createSocket() throws IOException { + return sslContext.getSocketFactory().createSocket(); + } + } + + private static JsonNode toJsonNodeFromJsonString(String jsonStr) { + JsonNode jsonNode = null; + if(jsonStr != null) { + try { + jsonNode = mapper.readTree(jsonStr); + } catch (IOException e) { + LOG.warn(String.format("Could not map %s to jsonNode.", jsonStr), e); + } + } + return jsonNode; + } + +} |