/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* 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.ambari.server.controller.internal;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.controller.AmbariManagementController;
import org.apache.ambari.server.controller.RequestStatusResponse;
import org.apache.ambari.server.controller.ServiceRequest;
import org.apache.ambari.server.controller.ServiceResponse;
import org.apache.ambari.server.controller.spi.*;
import org.apache.ambari.server.controller.utilities.PropertyHelper;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
/**
* Resource provider for service resources.
*/
class ServiceResourceProvider extends AbstractResourceProvider {
// ----- Property ID constants ---------------------------------------------
// Services
protected static final String SERVICE_CLUSTER_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "cluster_name");
protected static final String SERVICE_SERVICE_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "service_name");
protected static final String SERVICE_SERVICE_STATE_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "state");
protected static final String SERVICE_DESIRED_CONFIGS_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "desired_configs");
private static Set<String> pkPropertyIds =
new HashSet<String>(Arrays.asList(new String[]{
SERVICE_CLUSTER_NAME_PROPERTY_ID,
SERVICE_SERVICE_NAME_PROPERTY_ID}));
// ----- Constructors ----------------------------------------------------
/**
* Create a new resource provider for the given management controller.
*
* @param propertyIds the property ids
* @param keyPropertyIds the key property ids
* @param managementController the management controller
*/
ServiceResourceProvider(Set<String> propertyIds,
Map<Resource.Type, String> keyPropertyIds,
AmbariManagementController managementController) {
super(propertyIds, keyPropertyIds, managementController);
}
// ----- ResourceProvider ------------------------------------------------
@Override
public RequestStatus createResources(Request request)
throws SystemException,
UnsupportedPropertyException,
ResourceAlreadyExistsException,
NoSuchParentResourceException {
final Set<ServiceRequest> requests = new HashSet<ServiceRequest>();
for (Map<String, Object> propertyMap : request.getProperties()) {
requests.add(getRequest(propertyMap));
}
createResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().createServices(requests);
return null;
}
});
notifyCreate(Resource.Type.Service, request);
return getRequestStatus(null);
}
@Override
public Set<Resource> getResources(Request request, Predicate predicate) throws
SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<ServiceRequest> requests = new HashSet<ServiceRequest>();
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
requests.add(getRequest(propertyMap));
}
Set<ServiceResponse> responses = getResources(new Command<Set<ServiceResponse>>() {
@Override
public Set<ServiceResponse> invoke() throws AmbariException {
return getManagementController().getServices(requests);
}
});
Set<String> requestedIds = getRequestPropertyIds(request, predicate);
Set<Resource> resources = new HashSet<Resource>();
for (ServiceResponse response : responses) {
Resource resource = new ResourceImpl(Resource.Type.Service);
setResourceProperty(resource, SERVICE_CLUSTER_NAME_PROPERTY_ID,
response.getClusterName(), requestedIds);
setResourceProperty(resource, SERVICE_SERVICE_NAME_PROPERTY_ID,
response.getServiceName(), requestedIds);
setResourceProperty(resource, SERVICE_DESIRED_CONFIGS_PROPERTY_ID,
response.getConfigVersions(), requestedIds);
setResourceProperty(resource, SERVICE_SERVICE_STATE_PROPERTY_ID,
response.getDesiredState(), requestedIds);
resources.add(resource);
}
return resources;
}
@Override
public RequestStatus updateResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<ServiceRequest> requests = new HashSet<ServiceRequest>();
RequestStatusResponse response = null;
Iterator<Map<String,Object>> iterator = request.getProperties().iterator();
if (iterator.hasNext()) {
for (Map<String, Object> propertyMap : getPropertyMaps(iterator.next(), predicate)) {
requests.add(getRequest(propertyMap));
}
response = modifyResources(new Command<RequestStatusResponse>() {
@Override
public RequestStatusResponse invoke() throws AmbariException {
return getManagementController().updateServices(requests);
}
});
}
notifyUpdate(Resource.Type.Service, request, predicate);
return getRequestStatus(response);
}
@Override
public RequestStatus deleteResources(Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<ServiceRequest> requests = new HashSet<ServiceRequest>();
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
requests.add(getRequest(propertyMap));
}
RequestStatusResponse response = modifyResources(new Command<RequestStatusResponse>() {
@Override
public RequestStatusResponse invoke() throws AmbariException {
return getManagementController().deleteServices(requests);
}
});
notifyDelete(Resource.Type.Service, predicate);
return getRequestStatus(response);
}
@Override
public Set<String> checkPropertyIds(Set<String> propertyIds) {
propertyIds = super.checkPropertyIds(propertyIds);
if (propertyIds.isEmpty()) {
return propertyIds;
}
Set<String> unsupportedProperties = new HashSet<String>();
for (String propertyId : propertyIds) {
if (!propertyId.equals("config")) {
String propertyCategory = PropertyHelper.getPropertyCategory(propertyId);
if (propertyCategory == null || !propertyCategory.equals("config")) {
unsupportedProperties.add(propertyId);
}
}
}
return unsupportedProperties;
}
// ----- utility methods -------------------------------------------------
@Override
protected Set<String> getPKPropertyIds() {
return pkPropertyIds;
}
/**
* Get a service request object from a map of property values.
*
* @param properties the predicate
*
* @return the service request object
*/
private ServiceRequest getRequest(Map<String, Object> properties) {
ServiceRequest svcRequest = new ServiceRequest(
(String) properties.get(SERVICE_CLUSTER_NAME_PROPERTY_ID),
(String) properties.get(SERVICE_SERVICE_NAME_PROPERTY_ID),
null,
(String) properties.get(SERVICE_SERVICE_STATE_PROPERTY_ID));
Map<String, String> configMappings =
ConfigurationResourceProvider.getConfigPropertyValues(properties);
if (configMappings.size() > 0) {
svcRequest.setConfigVersions(configMappings);
}
return svcRequest;
}
}