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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 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.
*
* ============LICENSE_END=========================================================
*/
package org.onap.appc.adapter.restHealthcheck.impl;
import java.util.Map;
import java.util.Properties;
import org.apache.http.impl.client.CloseableHttpClient;
import org.onap.appc.Constants;
import org.onap.appc.adapter.restHealthcheck.RestHealthcheckAdapter;
import org.onap.appc.configuration.Configuration;
import org.onap.appc.pool.PoolExtensionException;
import org.onap.appc.util.StructuredPropertyHelper;
import com.att.cdp.zones.ImageService;
import com.att.cdp.zones.Provider;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.eelf.i18n.EELFResourceManager;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.glassfish.grizzly.http.util.HttpStatus;
import static com.att.eelf.configuration.Configuration.*;
import org.apache.http.*;
import org.apache.http.client.*;
import org.apache.http.client.methods.*;
import org.apache.http.impl.client.*;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import java.net.InetAddress;
public class RestHealthcheckAdapterImpl implements RestHealthcheckAdapter {
/**
* The constant for the status code for a failed outcome
*/
@SuppressWarnings("nls")
public static final String OUTCOME_FAILURE = "failure";
/**
* The logger to be used
*/
private static final EELFLogger logger = EELFManager.getInstance().getLogger(RestHealthcheckAdapterImpl.class);
/**
* A reference to the adapter configuration object.
*/
private Configuration configuration;
/**
* This default constructor is used as a work around because the activator
* wasnt getting called
*/
public RestHealthcheckAdapterImpl() {
initialize();
}
@Override
public String getAdapterName() {
return configuration.getProperty(Constants.PROPERTY_ADAPTER_NAME);
}
public void checkHealth(Map<String, String> params, SvcLogicContext ctx) {
logger.info("VNF rest health check");
String uri=params.get("VNF.URI");
String endPoint=params.get("VNF.endpoint");
String tUrl=uri+"/"+endPoint;
RequestContext rc = new RequestContext(ctx);
rc.isAlive();
try(CloseableHttpClient httpClient = HttpClients.createDefault()) {
HttpGet httpGet = new HttpGet(tUrl);
HttpResponse response ;
response = httpClient.execute(httpGet);
int responseCode=response.getStatusLine().getStatusCode();
HttpEntity entity = response.getEntity();
String responseOutput=EntityUtils.toString(entity);
if(responseCode==200)
{
doSuccess(rc,responseCode,responseOutput);
}
else
{
doHealthCheckFailure(rc,responseCode,responseOutput);
}
} catch (Exception ex) {
doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, ex.toString());
}
}
@SuppressWarnings("static-method")
private void doFailure(RequestContext rc, HttpStatus code, String message) {
SvcLogicContext svcLogic = rc.getSvcLogicContext();
String msg = (message == null) ? code.getReasonPhrase() : message;
if (msg.contains("\n")) {
msg = msg.substring(msg.indexOf("\n"));
}
String status;
try {
status = Integer.toString(code.getStatusCode());
} catch (Exception e) {
status = "500";
}
svcLogic.setStatus(OUTCOME_FAILURE);
svcLogic.setAttribute("healthcheck.result.code", "200");
svcLogic.setAttribute("healthcheck.result.message", status+" "+msg);
}
/**
* @param rc
* The request context that manages the state and recovery of the
* request for the life of its processing.
*/
@SuppressWarnings("static-method")
private void doHealthCheckFailure(RequestContext rc, int code, String message) {
SvcLogicContext svcLogic = rc.getSvcLogicContext();
String msg = Integer.toString(code)+" "+message;
svcLogic.setAttribute("healthcheck.result.code", "200");
svcLogic.setAttribute("healthcheck.result.message", msg);
}
@SuppressWarnings("static-method")
private void doSuccess(RequestContext rc, int code, String message) {
SvcLogicContext svcLogic = rc.getSvcLogicContext();
String msg = Integer.toString(code)+" "+message;
svcLogic.setAttribute("healthcheck.result.code", "400");
svcLogic.setAttribute("healthcheck.result.message", msg);
}
/**
* initialize the provider adapter by building the context cache
*/
private void initialize() {
logger.info("init rest health check adapter!!!!!");
}
}
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