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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* ================================================================================
* Modifications Copyright (C) 2019 Ericsson
* =============================================================================
* 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 static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.DETACHVOLUME_SERVICE;
import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
import com.att.cdp.exceptions.ZoneException;
import com.att.cdp.zones.ComputeService;
import com.att.cdp.zones.Context;
import com.att.cdp.zones.model.ModelObject;
import com.att.cdp.zones.model.Server;
import com.att.cdp.zones.model.Volume;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.eelf.i18n.EELFResourceManager;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Iterator;
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.configuration.Configuration;
import org.onap.appc.configuration.ConfigurationFactory;
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.exceptions.APPCException;
import com.att.cdp.exceptions.TimeoutException;
import com.att.cdp.openstack.util.ExceptionMapper;
import org.onap.appc.i18n.Msg;
import com.woorea.openstack.base.client.OpenStackBaseException;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
public class DettachVolumeServer extends ProviderServerOperation {
private final EELFLogger logger = EELFManager.getInstance().getLogger(DettachVolumeServer.class);
private static final Configuration config = ConfigurationFactory.getConfiguration();
@Override
protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
throws APPCException {
setMDC(Operation.DETACHVOLUME_SERVICE.toString(), "App-C IaaS Adapter:dettachVolume", ADAPTER_NAME);
logOperation(Msg.DETTACHINGVOLUME_SERVER, params, context);
return dettachVolume(params, context);
}
private Server dettachVolume(Map<String, String> params, SvcLogicContext ctx) {
Server server = null;
RequestContext requestContext = new RequestContext(ctx);
requestContext.isAlive();
String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
String vmUrl = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
String volumeId = params.get(ProviderAdapter.VOLUME_ID);
VMURL vm = VMURL.parseURL(vmUrl);
Context context;
String tenantName = "Unknown";// to be used also in case of exception
try {
if (validateVM(requestContext, appName, vmUrl, vm)) {
return null;
}
IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
String identStr = (ident == null) ? null : ident.toString();
context = getContext(requestContext, vmUrl, identStr);
String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
if (skipHypervisorCheck == null && ctx != null) {
skipHypervisorCheck = ctx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
}
if (context != null) {
tenantName = context.getTenantName();// this variable also is
// used in case of
// exception
requestContext.reset();
server = lookupServer(requestContext, context, vm.getServerId());
// Always perform Hypervisor check
// unless the skip is set to true
if (!"true".equalsIgnoreCase(skipHypervisorCheck)) {
// Check of the Hypervisor for the VM Server is UP and reachable
checkHypervisor(server);
}
logger.debug(Msg.SERVER_FOUND, vmUrl, context.getTenantName(), server.getStatus().toString());
if (volumeId == null || volumeId.isEmpty()) {
if(ctx != null){
ctx.setAttribute("VOLUME_STATUS", "FAILURE");
}
doFailure(requestContext, HttpStatus.BAD_REQUEST_400, "Volumeid is mandatory");
}
Context contx = server.getContext();
ComputeService service = contx.getComputeService();
Volume volume = new Volume();
boolean flag = false;
if (validateDetach(service, vm.getServerId(), volumeId)) {
volume.setId(volumeId);
logger.info("Ready to Detach Volume from the server:");
service.detachVolume(server, volume);
flag = true;
} else {
String msg = "Volume with volume id " + volumeId + " cannot be detached as it does not exists";
logger.info("Volume doesnot exists:");
if(ctx != null){
ctx.setAttribute("VOLUME_STATUS", "FAILURE");
}
doFailure(requestContext, HttpStatus.METHOD_NOT_ALLOWED_405, msg);
flag = false;
}
if (flag) {
if (validateDetach(requestContext, service, vm.getServerId(), volumeId)) {
String msg = "Volume with volume id " + volumeId + " cannot be detached ";
if(ctx != null){
ctx.setAttribute("VOLUME_STATUS", "FAILURE");
}
doFailure(requestContext, HttpStatus.CONFLICT_409, msg);
} else {
logger.info("status of detaching volume");
if(ctx != null){
ctx.setAttribute("VOLUME_STATUS", "SUCCESS");
}
doSuccess(requestContext);
}
}
context.close();
} else {
if(ctx != null){
ctx.setAttribute("VOLUME_STATUS", "CONTEXT_NOT_FOUND");
}
}
} catch (ZoneException e) {
String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vmUrl);
logger.error(msg);
doFailure(requestContext, HttpStatus.NOT_FOUND_404, msg);
} catch (RequestFailedException e) {
logger.error("An error occurred when processing the request", e);
doFailure(requestContext, e.getStatus(), e.getMessage());
} catch (Exception e) {
String msg = EELFResourceManager.format(Msg.DETTACHINGVOLUME_SERVER, e, e.getClass().getSimpleName(),
DETACHVOLUME_SERVICE.toString(), vmUrl, tenantName);
logger.error(msg, e);
try {
ExceptionMapper.mapException((OpenStackBaseException) e);
} catch (ZoneException e1) {
logger.error(e1.getMessage());
}
doFailure(requestContext, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
}
return server;
}
protected boolean validateDetach(ComputeService ser, String vm, String volumeId)
throws RequestFailedException, ZoneException {
boolean flag = false;
Map<String, String> map = ser.getAttachments(vm);
if (map != null && !(map.isEmpty())) {
Iterator<Entry<String, String>> it = map.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, String> volumes = it.next();
logger.info("volumes available in before detach");
logger.info("device" + volumes.getKey() + "volume" + volumes.getValue());
if (volumes.getValue().equals(volumeId)) {
flag = true;
}
}
}
logger.info("DettachVolume Flag" + flag);
return flag;
}
protected boolean validateDetach(RequestContext rc, ComputeService ser, String vm, String volumeId)
throws ZoneException {
boolean flag = false;
String msg = null;
config.setProperty(Constants.PROPERTY_RETRY_DELAY, "10");
config.setProperty(Constants.PROPERTY_RETRY_LIMIT, "30");
while (rc.attempt()) {
Map<String, String> map = ser.getAttachments(vm);
if (map != null && !(map.isEmpty())) {
Iterator<Entry<String, String>> it = map.entrySet().iterator();
logger.info("volumes available after detach ");
while (it.hasNext()) {
Map.Entry<String, String> volumes = it.next();
logger.info(" devices " + volumes.getKey() + " volumes" + volumes.getValue());
if (volumes.getValue().equals(volumeId)) {
logger.info("Device" + volumes.getKey() + "Volume" + volumes.getValue());
flag = true;
break;
} else {
flag = false;
}
logger.info("Dettachvolume flag-->" + flag + "Attempts" + rc.getAttempts());
}
if (flag) {
rc.delay();
} else {
break;
}
} else {
flag = false;
logger.info(rc.getAttempts() + "No.of attempts");
break;
}
}
if ((rc.getAttempts() == 30) && (!flag)) {
msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, Long.toString(rc.getRetryDelay()),
Integer.toString(rc.getAttempts()), Integer.toString(rc.getRetryLimit()));
logger.error(msg);
logger.info(msg);
throw new TimeoutException(msg);
}
logger.info("DettachVolume Flag -->" + flag);
return flag;
}
}
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