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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 com.att.cdp.exceptions.ContextConnectionException;
import com.att.cdp.exceptions.ResourceNotFoundException;
import com.att.cdp.exceptions.ZoneException;
import com.att.cdp.zones.Context;
import com.att.cdp.zones.ImageService;
import com.att.cdp.zones.Provider;
import com.att.cdp.zones.model.Image;
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 org.onap.appc.Constants;
import org.onap.appc.adapter.iaas.ProviderAdapter;
import org.onap.appc.adapter.iaas.impl.IdentityURL;
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 org.onap.appc.logging.LoggingConstants;
import org.slf4j.MDC;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.TimeZone;
import static org.onap.appc.adapter.iaas.provider.operation.common.constants.Constants.DATE_FORMAT;
import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
public class CreateSnapshot extends ProviderServerOperation {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(CreateSnapshot.class);
private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
private static final Configuration configuration = ConfigurationFactory.getConfiguration();
private String generateSnapshotName(String server) {
setTimeForMetricsLogger();
SimpleDateFormat df = new SimpleDateFormat(DATE_FORMAT);
metricsLogger.info("Snapshot Name Generated: Snapshot of %s at %s", server, df.format(new Date()));
return String.format("Snapshot of %s at %s", server, df.format(new Date()));
}
private Image createSnapshot(RequestContext rc, Server server) throws ZoneException, RequestFailedException {
Context context = server.getContext();
Provider provider = context.getProvider();
ImageService service = context.getImageService(); // Already checked access by this point
String snapshotName = generateSnapshotName(server.getName());
setTimeForMetricsLogger();
logger.info(String.format("Creating snapshot of server %s (%s) with name %s", server.getName(), server.getId(),
snapshotName));
metricsLogger.info(String.format("Creating snapshot of server %s (%s) with name %s", server.getName(),
server.getId(), snapshotName));
// Request Snapshot
String msg;
while (rc.attempt()) {
try {
server.createSnapshot(snapshotName);
break;
} catch (ContextConnectionException e) {
msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(),
context.getTenant().getName(), context.getTenant().getId(), e.getMessage(),
Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()),
Integer.toString(rc.getRetryLimit()));
logger.error(msg, e);
metricsLogger.error(msg, e);
rc.delay();
}
}
if (rc.isFailed()) {
msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL());
logger.error(msg);
metricsLogger.error(msg);
throw new RequestFailedException("Stop Server", msg, HttpStatus.BAD_GATEWAY_502, server);
}
rc.reset();
// Locate snapshot image
Image snapshot = null;
while (rc.attempt()) {
try {
snapshot = service.getImageByName(snapshotName);
if (snapshot != null) {
break;
}
} catch (ContextConnectionException e) {
msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(),
context.getTenant().getName(), context.getTenant().getId(), e.getMessage(),
Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()),
Integer.toString(rc.getRetryLimit()));
logger.error(msg, e);
metricsLogger.error(msg, e);
rc.delay();
}
}
if (rc.isFailed()) {
msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL());
logger.error(msg);
metricsLogger.error(msg);
throw new RequestFailedException("Stop Server", msg, HttpStatus.BAD_GATEWAY_502, server);
}
rc.reset();
// Wait for it to be ready
waitForStateChange(rc, snapshot, Image.Status.ACTIVE);
return snapshot;
}
private Image createSnapshot(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
Image snapshot = null;
RequestContext rc = new RequestContext(ctx);
rc.isAlive();
setTimeForMetricsLogger();
try {
validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
ProviderAdapter.PROPERTY_PROVIDER_NAME);
String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
VMURL vm = VMURL.parseURL(vm_url);
if (validateVM(rc, appName, vm_url, vm))
return null;
IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
String identStr = (ident == null) ? null : ident.toString();
snapshot = createSnapshotNested(snapshot, rc, vm, vm_url, identStr);
} catch (RequestFailedException e) {
doFailure(rc, e.getStatus(), e.getMessage());
}
return snapshot;
}
private Image createSnapshotNested(Image SnapShot, RequestContext RcContext, VMURL vm, String vmUrl,
String identStr) throws APPCException {
String msg;
Context context = null;
String tenantName = "Unknown";// this variable is also used in catch
try {
context = getContext(RcContext, vmUrl, identStr);
if (context != null) {
tenantName = context.getTenantName();
Server server = lookupServer(RcContext, context, vm.getServerId());
logger.debug(Msg.SERVER_FOUND, vmUrl, tenantName, server.getStatus().toString());
if (hasImageAccess(RcContext, context)) {
SnapShot = createSnapshot(RcContext, server);
doSuccess(RcContext);
} else {
msg = EELFResourceManager.format(Msg.REBUILD_SERVER_FAILED, server.getName(), server.getId(),
"Accessing Image Service Failed");
logger.error(msg);
metricsLogger.error(msg);
doFailure(RcContext, HttpStatus.FORBIDDEN_403, msg);
}
context.close();
}
} catch (ResourceNotFoundException e) {
msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vmUrl);
logger.error(msg);
metricsLogger.error(msg, e);
doFailure(RcContext, HttpStatus.NOT_FOUND_404, msg);
} catch (Exception e1) {
msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1, e1.getClass().getSimpleName(),
Operation.SNAPSHOT_SERVICE.toString(), vmUrl, tenantName);
logger.error(msg, e1);
doFailure(RcContext, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
}
return SnapShot;
}
@Override
protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
throws APPCException {
setMDC(Operation.SNAPSHOT_SERVICE.toString(), "App-C IaaS Adapter:Snapshot", ADAPTER_NAME);
logOperation(Msg.SNAPSHOTING_SERVER, params, context);
setTimeForMetricsLogger();
metricsLogger.info("Executing Provider Operation: Create Snapshot");
return createSnapshot(params, context);
}
private void setTimeForMetricsLogger() {
MDC.put(LoggingConstants.MDCKeys.TARGET_ENTITY, "cdp");
MDC.put(LoggingConstants.MDCKeys.TARGET_SERVICE_NAME, "create snapshot");
MDC.put(LoggingConstants.MDCKeys.CLASS_NAME,
"org.onap.appc.adapter.iaas.provider.operation.impl.CreateSnapshot");
}
}
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