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// regarding copyright ownership. The ASF licenses this file
// to you 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.
package org.apache.cloudstack.network.contrail.model;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import net.juniper.contrail.api.ApiConnector;
import net.juniper.contrail.api.ObjectReference;
import net.juniper.contrail.api.types.Project;
import net.juniper.contrail.api.types.ServiceInstance;
import net.juniper.contrail.api.types.ServiceInstanceType;
import net.juniper.contrail.api.types.ServiceTemplate;
import net.juniper.contrail.api.types.ServiceTemplateType;
import org.apache.cloudstack.network.contrail.management.ContrailManager;
import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import com.cloud.offering.ServiceOffering;
import com.cloud.template.VirtualMachineTemplate;
import com.cloud.utils.exception.CloudRuntimeException;
public class ServiceInstanceModel extends ModelObjectBase {
private static final Logger s_logger = Logger.getLogger(ServiceInstanceModel.class);
private String _uuid;
private String _fqName;
private String _projectId;
private String _mgmtName;
private String _leftName;
private String _rightName;
private String _templateName;
private String _templateId;
private String _templateUrl;
private VirtualNetworkModel _left;
private VirtualNetworkModel _right;
private ServiceTemplate _tmpl;
private ServiceInstance _serviceInstance;
private NetworkPolicyModel _policy;
/**
* Create a ServiceInstance as result of an API call.
*
* @param owner
* @param name
* @param template
* @param serviceOffering
* @param left
* @param right
*/
public ServiceInstanceModel(Project project, String name, VirtualMachineTemplate template, ServiceOffering serviceOffering, VirtualNetworkModel left, VirtualNetworkModel right) {
String parent_name;
if (project != null) {
parent_name = StringUtils.join(project.getQualifiedName(), ':');
_projectId = project.getUuid();
} else {
parent_name = ContrailManager.VNC_ROOT_DOMAIN + ":" + ContrailManager.VNC_DEFAULT_PROJECT;
//In the original code, if the projectId is null, it will simply throw NPE on the last line (nr. 90) of the method where the projectId.getUuid() is called.
//This was added as a way to avoid NPE. Should we perhaps throw a CloudRuntimeException if the project object is null?
_projectId = UUID.randomUUID().toString();
}
_fqName = parent_name + ":" + name;
_mgmtName = ContrailManager.VNC_ROOT_DOMAIN + ":" + ContrailManager.VNC_DEFAULT_PROJECT + ":" + ContrailManager.managementNetworkName;
_left = left;
_right = right;
_leftName = StringUtils.join(left.getVirtualNetwork().getQualifiedName(), ":");
_rightName = StringUtils.join(right.getVirtualNetwork().getQualifiedName(), ":");
_templateName = template.getName();
_templateId = template.getUuid();
_templateUrl = template.getUrl();
}
/**
* Create an empty ServiceInstance.
* @param uuid
*/
public ServiceInstanceModel(String uuid) {
_uuid = uuid;
}
public String getQualifiedName() {
return _fqName;
}
public String getName() {
return _fqName.substring(_fqName.lastIndexOf(':') + 1);
}
/**
* Recreate the model object from the Contrail API which is the master for this type of object.
* @param siObj
*/
public void build(ModelController controller, ServiceInstance siObj) {
ApiConnector api = controller.getApiAccessor();
_serviceInstance = siObj;
_fqName = StringUtils.join(siObj.getQualifiedName(), ':');
ServiceInstanceType props = siObj.getProperties();
// TODO: read management network names and cache network objects.
ObjectReference ref = siObj.getServiceTemplate().get(0);
if (ref != null) {
try {
ServiceTemplate tmpl = (ServiceTemplate)api.findById(ServiceTemplate.class, ref.getUuid());
_templateId = tmpl.getUuid();
} catch (IOException ex) {
s_logger.warn("service-template read", ex);
}
}
}
@Override
public int compareTo(ModelObject o) {
ServiceInstanceModel other;
try {
other = (ServiceInstanceModel)o;
} catch (ClassCastException ex) {
String clsname = o.getClass().getName();
return ServiceInstanceModel.class.getName().compareTo(clsname);
}
return _fqName.compareTo(other._fqName);
}
private ServiceInstance createServiceInstance(ModelController controller) {
Project project = null;
if (_projectId != null) {
try {
ApiConnector api = controller.getApiAccessor();
project = (Project)api.findById(Project.class, _projectId);
} catch (IOException ex) {
s_logger.warn("project read", ex);
throw new CloudRuntimeException("Unable to create service-instance object", ex);
}
}
ServiceInstance si_obj = new ServiceInstance();
if (project != null) {
si_obj.setParent(project);
}
si_obj.setName(getName());
si_obj.setServiceTemplate(_tmpl);
si_obj.setProperties(new ServiceInstanceType(false, _mgmtName, _leftName, null, _rightName, null, new ServiceInstanceType.ServiceScaleOutType(1, false)));
try {
ApiConnector api = controller.getApiAccessor();
api.create(si_obj);
} catch (IOException ex) {
s_logger.warn("service-instance create", ex);
throw new CloudRuntimeException("Unable to create service-instance object", ex);
}
return si_obj;
}
private void clearServicePolicy(ModelController controller) {
_left.addToNetworkPolicy(null);
_right.addToNetworkPolicy(null);
try {
controller.getManager().getDatabase().getNetworkPolicys().remove(_policy);
_policy.delete(controller.getManager().getModelController());
_policy = null;
} catch (Exception e) {
s_logger.error(e);
}
try {
_left.update(controller.getManager().getModelController());
_right.update(controller.getManager().getModelController());
} catch (Exception ex) {
s_logger.error("virtual-network update for policy delete: ", ex);
}
}
private NetworkPolicyModel setServicePolicy(ModelController controller) {
NetworkPolicyModel policyModel = new NetworkPolicyModel(UUID.randomUUID().toString(), _serviceInstance.getName());
policyModel.setProject((Project)_serviceInstance.getParent());
_left.addToNetworkPolicy(policyModel);
_right.addToNetworkPolicy(policyModel);
List<String> siList = new ArrayList<String>();
siList.add(StringUtils.join(_serviceInstance.getQualifiedName(), ':'));
try {
policyModel.build(controller.getManager().getModelController(), _leftName, _rightName, "in-network", siList, "pass");
} catch (Exception e) {
s_logger.error(e);
return null;
}
try {
if (!policyModel.verify(controller.getManager().getModelController())) {
policyModel.update(controller.getManager().getModelController());
}
controller.getManager().getDatabase().getNetworkPolicys().add(policyModel);
} catch (Exception ex) {
s_logger.error("network-policy update: ", ex);
}
return policyModel;
}
@Override
public void delete(ModelController controller) throws IOException {
ApiConnector api = controller.getApiAccessor();
clearServicePolicy(controller);
if (_serviceInstance != null) {
api.delete(_serviceInstance);
}
}
@Override
public void destroy(ModelController controller) throws IOException {
}
public ServiceInstance getServiceInstance() {
return _serviceInstance;
}
public String getUuid() {
return _uuid;
}
private ServiceTemplate locateServiceTemplate(ModelController controller) {
ServiceTemplate tmpl;
try {
ApiConnector api = controller.getApiAccessor();
tmpl = (ServiceTemplate)api.findById(ServiceTemplate.class, _templateId);
} catch (IOException ex) {
s_logger.warn("service-template read", ex);
throw new CloudRuntimeException("Unable to create service-template object", ex);
}
if (tmpl == null) {
tmpl = new ServiceTemplate();
tmpl.setName(_templateName);
tmpl.setUuid(_templateId);
ServiceTemplateType props = new ServiceTemplateType("in-network", null, _templateUrl, false, null);
tmpl.setProperties(props);
try {
ApiConnector api = controller.getApiAccessor();
api.create(tmpl);
} catch (IOException ex) {
throw new CloudRuntimeException("Unable to create service-template object", ex);
}
}
return tmpl;
}
@Override
public void update(ModelController controller) {
_tmpl = locateServiceTemplate(controller);
if (_serviceInstance == null) {
_serviceInstance = createServiceInstance(controller);
}
_uuid = _serviceInstance.getUuid();
if (_policy == null) {
_policy = setServicePolicy(controller);
}
}
@Override
public boolean verify(ModelController controller) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean compare(ModelController controller, ModelObject current) {
// TODO Auto-generated method stub
return true;
}
}