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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.iaas.provider.operation.impl;
import org.onap.appc.Constants;
import org.onap.appc.adapter.iaas.ProviderAdapter;
import org.onap.appc.adapter.iaas.impl.RequestContext;
import org.onap.appc.adapter.iaas.impl.RequestFailedException;
import org.onap.appc.adapter.iaas.impl.VMURL;
import org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation;
import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
import org.onap.appc.configuration.Configuration;
import org.onap.appc.configuration.ConfigurationFactory;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.i18n.Msg;
import com.att.cdp.exceptions.ZoneException;
import com.att.cdp.zones.Context;
import com.att.cdp.zones.model.ModelObject;
import com.att.cdp.zones.model.Server;
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 java.io.IOException;
import java.util.Map;
import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
public class LookupServer extends ProviderServerOperation {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(EvacuateServer.class);
private static final Configuration configuration = ConfigurationFactory.getConfiguration();
public Server lookupServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
Server server = null;
RequestContext rc = new RequestContext(ctx);
rc.isAlive(); // should we test the return and fail if false?
String vmUrl = null;
try {
// process vmUrl
validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
ProviderAdapter.PROPERTY_PROVIDER_NAME);
String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
vmUrl = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
VMURL vm = VMURL.parseURL(vmUrl);
if (validateVM(rc, appName, vmUrl, vm)) {
return null;
}
server = lookupServerNested(params, server, rc, ctx, appName, vm, vmUrl);
} catch (RequestFailedException e) {
// parameters not valid, unable to connect to provider
String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vmUrl);
logger.error(msg);
doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
ctx.setAttribute("serverFound", "failure");
}
return server;
}
private Server lookupServerNested(Map<String, String> params, Server server, RequestContext rqstCtx, SvcLogicContext ctx,
String appName, VMURL vm, String vmUrl)
throws APPCException {
// use try with resource to ensure context is closed (returned to pool)
try (Context context = resolveContext(rqstCtx, params, appName, vmUrl)) {
// resloveContext & getContext call doFailure and log errors before returning null
if (context != null) {
rqstCtx.reset();
server = lookupServer(rqstCtx, context, vm.getServerId());
logger.debug(Msg.SERVER_FOUND, vmUrl, context.getTenantName(), server.getStatus().toString());
ctx.setAttribute("serverFound", "success");
String msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "LookupServer", vmUrl);
ctx.setAttribute(org.onap.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
doSuccess(rqstCtx);
}
} catch (ZoneException e) {
// server not found
String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vmUrl);
logger.error(msg);
doFailure(rqstCtx, HttpStatus.NOT_FOUND_404, msg);
ctx.setAttribute("serverFound", "failure");
} catch (IOException e) {
// exception closing context
String msg = EELFResourceManager.format(Msg.CLOSE_CONTEXT_FAILED, e, vmUrl);
logger.error(msg);
} catch (Exception e1) {
String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
e1.getClass().getSimpleName(), Operation.LOOKUP_SERVICE.toString(), vmUrl, "Unknown");
logger.error(msg, e1);
doFailure(rqstCtx, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
}
return server;
}
@Override
protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
throws APPCException {
setMDC(Operation.LOOKUP_SERVICE.toString(), "App-C IaaS Adapter:LookupServer", ADAPTER_NAME);
logOperation(Msg.LOOKING_SERVER_UP, params, context);
return lookupServer(params, context);
}
}
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