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/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
* All rights reserved.
* ================================================================================
* 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.ccsdk.features.sdnr.wt.common.database;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.spec.InvalidKeySpecException;
import java.text.ParseException;
import javax.net.ssl.SSLContext;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.RequestConfig.Builder;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
import org.elasticsearch.client.Response;
import org.elasticsearch.client.ResponseException;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestClientBuilder.HttpClientConfigCallback;
import org.elasticsearch.client.RestClientBuilder.RequestConfigCallback;
import org.json.JSONException;
import org.onap.ccsdk.features.sdnr.wt.common.database.config.HostInfo;
import org.onap.ccsdk.features.sdnr.wt.common.database.config.HostInfo.Protocol;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.ClusterHealthRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.ClusterSettingsRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.CreateAliasRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.CreateIndexRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteAliasRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteByQueryRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteIndexRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.GetIndexRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.GetInfoRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.GetRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.IndexRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.ListAliasesRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.ListIndicesRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.NodeStatsRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.RefreshIndexRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.SearchRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.UpdateByQueryRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.requests.UpdateRequest;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.AcknowledgedResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ClusterHealthResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ClusterSettingsResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.CreateAliasResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.CreateIndexResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.DeleteAliasResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.DeleteByQueryResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.DeleteIndexResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.DeleteResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.GetInfoResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.GetResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.IndexResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ListAliasesResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ListIndicesResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.NodeStatsResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.RefreshIndexResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.SearchResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.UpdateByQueryResponse;
import org.onap.ccsdk.features.sdnr.wt.common.database.responses.UpdateResponse;
import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ExtRestClient {
private static final Logger LOG = LoggerFactory.getLogger(ExtRestClient.class);
private class BasicAuthHttpClientConfigCallback implements HttpClientConfigCallback {
private final String basicAuthUsername;
private final String basicAuthPassword;
private final boolean trustAll;
BasicAuthHttpClientConfigCallback(String username, String password, boolean trustAll) {
this.basicAuthUsername = username;
this.basicAuthPassword = password;
this.trustAll = trustAll;
}
@Override
public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
HttpAsyncClientBuilder httpAsyncClientBuilder = null;
try {
httpAsyncClientBuilder = httpClientBuilder.setSSLContext(BaseHTTPClient.setupSsl(this.trustAll));
} catch (NoSuchAlgorithmException | KeyManagementException | UnrecoverableKeyException | CertificateException | KeyStoreException | InvalidKeySpecException | IOException e) {
LOG.warn("unable to init ssl context for db client: {}",e.getMessage());
}
if (basicAuthPassword == null || basicAuthUsername == null) {
return httpAsyncClientBuilder;
}
final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
credentialsProvider.setCredentials(AuthScope.ANY,
new UsernamePasswordCredentials(basicAuthUsername, basicAuthPassword));
return httpAsyncClientBuilder == null ? httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider)
: httpAsyncClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
}
}
// private class SSLCercAuthHttpClientConfigCallback implements HttpClientConfigCallback {
//
// private final String certFilename;
//
// SSLCercAuthHttpClientConfigCallback(String certfile) {
// this.certFilename = certfile;
// }
//
// @Override
// public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
// if (this.certFilename == null) {
// return httpClientBuilder;
// }
//
// char[] keystorePass = "MY PASSWORD".toCharArray();
//
// FileInputStream fis = null;
//
// // Loading KEYSTORE in JKS format
// KeyStore keyStorePci = null;
// try {
// keyStorePci = KeyStore.getInstance(KeyStore.getDefaultType());
// } catch (KeyStoreException e1) {
// LOG.warn("unable to load keystore: {}",e1);
// }
// if (keyStorePci != null) {
// try {
// fis = new FileInputStream(this.certFilename);
// keyStorePci.load(fis, keystorePass);
// } catch (Exception e) {
// LOG.error("Error loading keystore: " + this.certFilename);
// } finally {
// if (fis != null) {
// try {
// fis.close();
// } catch (IOException e) {
//
// }
// }
// }
// }
// SSLContext sslcontext=null;
// try {
// sslcontext = SSLContexts.custom().loadKeyMaterial(keyStorePci, keystorePass).build();
// } catch (KeyManagementException | UnrecoverableKeyException | NoSuchAlgorithmException
// | KeyStoreException e) {
// LOG.warn("unable to load sslcontext: {}",e);
// }
// return httpClientBuilder.setSSLContext(sslcontext);
// }
// }
private final RestClient client;
protected ExtRestClient(HostInfo[] hosts) {
this(hosts, null, null,false);
}
protected ExtRestClient(HostInfo[] hosts, String username, String password, boolean trustAll) {
this.client = RestClient.builder(get(hosts))
.setHttpClientConfigCallback(new BasicAuthHttpClientConfigCallback(username, password,trustAll))
.build();
}
public ClusterHealthResponse health(ClusterHealthRequest request)
throws UnsupportedOperationException, IOException, JSONException {
return new ClusterHealthResponse(this.client.performRequest(request.getInner()));
}
public void close() throws IOException {
this.client.close();
}
//
public boolean indicesExists(GetIndexRequest request) throws IOException {
Response response = this.client.performRequest(request.getInner());
return response.getStatusLine().getStatusCode() == 200;
}
public ClusterSettingsResponse setupClusterSettings(ClusterSettingsRequest request) throws IOException {
return new ClusterSettingsResponse(this.client.performRequest(request.getInner()));
}
public CreateAliasResponse updateAliases(CreateAliasRequest request) throws IOException {
return new CreateAliasResponse(this.client.performRequest(request.getInner()));
}
public CreateIndexResponse createIndex(CreateIndexRequest request) throws IOException {
return new CreateIndexResponse(this.client.performRequest(request.getInner()));
}
public CreateAliasResponse createAlias(CreateAliasRequest request) throws IOException {
return new CreateAliasResponse(this.client.performRequest(request.getInner()));
}
public DeleteAliasResponse deleteAlias(DeleteAliasRequest request) throws IOException {
return new DeleteAliasResponse(this.client.performRequest(request.getInner()));
}
public DeleteIndexResponse deleteIndex(DeleteIndexRequest request) throws IOException {
return new DeleteIndexResponse(this.client.performRequest(request.getInner()));
}
public IndexResponse index(IndexRequest request) throws IOException {
return new IndexResponse(this.client.performRequest(request.getInner()));
}
public DeleteResponse delete(DeleteRequest request) throws IOException {
Response response = null;
try {
response = this.client.performRequest(request.getInner());
} catch (ResponseException e) {
new DeleteResponse(e.getResponse());
}
return new DeleteResponse(response);
}
public DeleteByQueryResponse deleteByQuery(DeleteByQueryRequest request) throws IOException {
Response response = null;
try {
response = this.client.performRequest(request.getInner());
} catch (ResponseException e) {
new DeleteResponse(e.getResponse());
}
return new DeleteByQueryResponse(response);
}
public SearchResponse search(SearchRequest request) throws IOException {
return this.search(request, false);
}
/**
* Search for database entries
* @param request inputRequest
* @param ignoreParseException especially for usercreated filters which may cause ES server response exceptions
* @return Response with related entries
* @throws IOException of client
*/
public SearchResponse search(SearchRequest request, boolean ignoreParseException) throws IOException {
if (ignoreParseException) {
try {
return new SearchResponse(this.client.performRequest(request.getInner()));
} catch (ResponseException e) {
LOG.debug("ignoring Exception for request {}: {}", request, e.getMessage());
return new SearchResponse(e.getResponse());
}
} else {
return new SearchResponse(this.client.performRequest(request.getInner()));
}
}
public GetResponse get(GetRequest request) throws IOException {
try {
return new GetResponse(this.client.performRequest(request.getInner()));
} catch (ResponseException e) {
return new GetResponse(e.getResponse());
}
}
public UpdateByQueryResponse update(UpdateByQueryRequest request) throws IOException {
return new UpdateByQueryResponse(this.client.performRequest(request.getInner()));
}
public UpdateResponse update(UpdateRequest request) throws IOException {
return new UpdateResponse(this.client.performRequest(request.getInner()));
}
public RefreshIndexResponse refreshIndex(RefreshIndexRequest request) throws IOException {
return new RefreshIndexResponse(this.client.performRequest(request.getInner()));
}
public NodeStatsResponse stats(NodeStatsRequest request) throws IOException {
return new NodeStatsResponse(this.client.performRequest(request.getInner()));
}
public ListIndicesResponse getIndices() throws ParseException, IOException {
return new ListIndicesResponse(this.client.performRequest(new ListIndicesRequest().getInner()));
}
public ListAliasesResponse getAliases() throws ParseException, IOException {
return new ListAliasesResponse(this.client.performRequest(new ListAliasesRequest().getInner()));
}
public GetInfoResponse getInfo() throws IOException, Exception {
return new GetInfoResponse(this.client.performRequest(new GetInfoRequest().getInner()));
}
public boolean waitForYellowStatus(long timeoutms) {
ClusterHealthRequest request = new ClusterHealthRequest();
request.timeout(timeoutms / 1000);
ClusterHealthResponse response = null;
String status = "";
try {
response = this.health(request);
} catch (UnsupportedOperationException | IOException | JSONException e) {
LOG.error(e.getMessage());
}
if (response != null) {
status = response.getStatus();
LOG.debug("Elasticsearch service started with status {}", response.getStatus());
} else {
LOG.warn("Elasticsearch service not started yet with status {}. current status is {}", status, "none");
return false;
}
return response.isStatusMinimal(ClusterHealthResponse.HEALTHSTATUS_YELLOW);
}
private static HttpHost[] get(HostInfo[] hosts) {
HttpHost[] httphosts = new HttpHost[hosts.length];
for (int i = 0; i < hosts.length; i++) {
httphosts[i] = new HttpHost(hosts[i].hostname, hosts[i].port, hosts[i].protocol.toString());
}
return httphosts;
}
public static ExtRestClient createInstance(HostInfo[] hosts) {
return new ExtRestClient(hosts);
}
public static ExtRestClient createInstance(HostInfo[] hosts, String username, String password,boolean trustAll) {
return new ExtRestClient(hosts, username, password, trustAll);
}
public static ExtRestClient createInstance(String hostname, int port, Protocol protocol) {
return createInstance(new HostInfo[] { new HostInfo(hostname, port, protocol) });
}
}
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