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/*-
* ============LICENSE_START=======================================================
* Simulator
* ================================================================================
* Copyright (C) 2019 Nokia. 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 integration;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.junit.platform.commons.logging.Logger;
import org.junit.platform.commons.logging.LoggerFactory;
import org.springframework.util.ResourceUtils;
import java.io.IOException;
import java.time.Duration;
import java.time.Instant;
class NetconfSimulatorClient {
private CloseableHttpClient netconfClient;
private String simulatorBaseUrl;
private static final Logger LOG = LoggerFactory.getLogger(NetconfSimulatorClient.class);
NetconfSimulatorClient(String simulatorBaseUrl) {
this.netconfClient = HttpClients.createDefault();
this.simulatorBaseUrl = simulatorBaseUrl;
}
CloseableHttpResponse loadModel(String moduleName, String yangModelFileName, String initialiConfigFileName) throws IOException {
String updateConfigUrl = String.format("%s/netconf/model/%s", simulatorBaseUrl, moduleName);
HttpPost httpPost = new HttpPost(updateConfigUrl);
HttpEntity updatedConfig = MultipartEntityBuilder
.create()
.addBinaryBody("yangModel", ResourceUtils.getFile(String.format("classpath:%s", yangModelFileName)))
.addBinaryBody("initialConfig", ResourceUtils.getFile(String.format("classpath:%s",initialiConfigFileName)))
.addTextBody("moduleName", moduleName)
.build();
httpPost.setEntity(updatedConfig);
return netconfClient.execute(httpPost);
}
CloseableHttpResponse deleteModel(String moduleName) throws IOException {
String deleteModuleUrl = String.format("%s/netconf/model/%s", simulatorBaseUrl, moduleName);
HttpDelete httpDelete = new HttpDelete(deleteModuleUrl);
return netconfClient.execute(httpDelete);
}
boolean isServiceAvailable(Instant startTime, Duration maxWaitingDuration) throws InterruptedException {
boolean isServiceReady = false;
while (Duration.between(startTime, Instant.now()).compareTo(maxWaitingDuration) < 1){
if(checkIfSimResponds()){
return true;
}
else {
LOG.info(() -> "Simulator not ready yet, retrying in 5s...");
Thread.sleep(5000);
}
}
return isServiceReady;
}
private boolean checkIfSimResponds() throws InterruptedException {
try(CloseableHttpResponse pingResponse = getCurrentConfig()){
String responseString = getResponseContentAsString(pingResponse);
if(pingResponse.getStatusLine().getStatusCode() == 200 && !responseString.trim().isEmpty()){
return true;
}
}
catch(IOException ex){
LOG.error(ex, () -> "EXCEPTION");
Thread.sleep(5000);
}
return false;
}
CloseableHttpResponse getCurrentConfig() throws IOException {
String netconfAddress = String.format("%s/netconf/get", simulatorBaseUrl);
HttpGet get = new HttpGet(netconfAddress);
return netconfClient.execute(get);
}
CloseableHttpResponse getConfigByModelAndContainerNames(String model, String container) throws IOException {
String netconfAddress = String
.format("%s/netconf/get/%s/%s", simulatorBaseUrl, model, container);
HttpGet get = new HttpGet(netconfAddress);
return netconfClient.execute(get);
}
CloseableHttpResponse updateConfig() throws IOException {
String updateConfigUrl = String.format("%s/netconf/edit-config", simulatorBaseUrl);
HttpPost httpPost = new HttpPost(updateConfigUrl);
HttpEntity updatedConfig = MultipartEntityBuilder
.create()
.addBinaryBody("editConfigXml", ResourceUtils.getFile("classpath:updatedConfig.xml"))
.build();
httpPost.setEntity(updatedConfig);
return netconfClient.execute(httpPost);
}
CloseableHttpResponse getAllConfigChanges() throws IOException {
String netconfStoreCmHistoryAddress = String.format("%s/store/cm-history", simulatorBaseUrl);
HttpGet configurationChangesResponse = new HttpGet(netconfStoreCmHistoryAddress);
return netconfClient.execute(configurationChangesResponse);
}
CloseableHttpResponse getLastConfigChanges(int howManyLastChanges) throws IOException {
String netconfStoreCmHistoryAddress = String.format("%s/store/less?offset=%d", simulatorBaseUrl, howManyLastChanges);
HttpGet configurationChangesResponse = new HttpGet(netconfStoreCmHistoryAddress);
return netconfClient.execute(configurationChangesResponse);
}
void releaseClient() throws IOException {
netconfClient.close();
}
void reinitializeClient(){
netconfClient = HttpClients.createDefault();
}
String getResponseContentAsString(HttpResponse response) throws IOException {
HttpEntity entity = response.getEntity();
String entityStringRepr = EntityUtils.toString(entity);
EntityUtils.consume(entity);
return entityStringRepr;
}
}
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