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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2019 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.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.exceptions.APPCException;
import org.onap.appc.i18n.Msg;
import com.att.cdp.exceptions.ResourceNotFoundException;
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.util.Map;
import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.START_SERVICE;
import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
public class StartServer extends ProviderServerOperation {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(StartServer.class);
/**
* @see org.onap.appc.adapter.iaas.ProviderAdapter#startServer(java.util.Map,
* org.onap.ccsdk.sli.core.sli.SvcLogicContext)
*/
@SuppressWarnings("nls")
public Server startServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
Server server = null;
RequestContext rc = new RequestContext(ctx);
rc.isAlive();
String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
try {
validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
ProviderAdapter.PROPERTY_PROVIDER_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();
Context context = null;
String tenantName = "Unknown";// to be used also in case of exception
ctx.setAttribute("START_STATUS", "ERROR");
// Is the skip Hypervisor check attribute populated?
String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
if (skipHypervisorCheck == null && ctx != null) {
skipHypervisorCheck = ctx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
}
try {
context = getContext(rc, vm_url, identStr);
if (context != null) {
tenantName = context.getTenantName();// this varaible also is used in case of exception
rc.reset();
server = lookupServer(rc, context, vm.getServerId());
logger.debug(Msg.SERVER_FOUND, vm_url, tenantName, server.getStatus().toString());
if (skipHypervisorCheck == null || (!skipHypervisorCheck.equalsIgnoreCase("true"))) {
// Check of the Hypervisor for the VM Server is UP and reachable
checkHypervisor(server);
}
String msg;
/*
* We determine what to do based on the current state of the server
*/
/*
* Pending is a bit of a special case. If we find the server is in a pending
* state, then the provider is in the process of changing state of the server.
* So, lets try to wait a little bit and see if the state settles down to one we
* can deal with. If not, then we have to fail the request.
*/
if (server.getStatus().equals(Server.Status.PENDING)) {
waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
}
switch (server.getStatus()) {
case DELETED:
// Nothing to do, the server is gone
msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
server.getTenantId(), "started");
logger.error(msg);
throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
server);
case RUNNING:
// Nothing to do, the server is already running
logger.info("Server was already running");
break;
case ERROR:
// Server is in error state
msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
server.getTenantId(), "start");
logger.error(msg);
throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
server);
case READY:
// Server is stopped attempt to start the server
rc.reset();
startServer(rc, server);
break;
case PAUSED:
// if paused, un-pause it
rc.reset();
unpauseServer(rc, server);
break;
case SUSPENDED:
// Attempt to resume the suspended server
rc.reset();
resumeServer(rc, server);
break;
default:
// Hmmm, unknown status, should never occur
msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
server.getTenantId(), server.getStatus().name());
generateEvent(rc, false, msg);
logger.error(msg);
throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
server);
}
context.close();
doSuccess(rc);
ctx.setAttribute("START_STATUS", "SUCCESS");
} else {
ctx.setAttribute("START_STATUS", "CONTEXT_NOT_FOUND");
}
} catch (ResourceNotFoundException e) {
String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
logger.error(msg);
doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
} catch (Exception e1) {
String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
e1.getClass().getSimpleName(), START_SERVICE.toString(), vm_url, tenantName);
logger.error(msg, e1);
doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
}
} catch (RequestFailedException e) {
doFailure(rc, e.getStatus(), e.getMessage());
}
return server;
}
@Override
protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
throws APPCException {
setMDC(Operation.START_SERVICE.toString(), "App-C IaaS Adapter:Start", ADAPTER_NAME);
logOperation(Msg.STARTING_SERVER, params, context);
return startServer(params, context);
}
}
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