/**
* 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 java.util.Arrays;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.controller.AmbariManagementController;
import org.apache.ambari.server.controller.MemberRequest;
import org.apache.ambari.server.controller.MemberResponse;
import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
import org.apache.ambari.server.controller.spi.NoSuchResourceException;
import org.apache.ambari.server.controller.spi.Predicate;
import org.apache.ambari.server.controller.spi.Request;
import org.apache.ambari.server.controller.spi.RequestStatus;
import org.apache.ambari.server.controller.spi.Resource;
import org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException;
import org.apache.ambari.server.controller.spi.SystemException;
import org.apache.ambari.server.controller.spi.UnsupportedPropertyException;
import org.apache.ambari.server.controller.utilities.PropertyHelper;
import org.apache.ambari.server.security.authorization.RoleAuthorization;
import com.google.inject.assistedinject.Assisted;
import com.google.inject.assistedinject.AssistedInject;
import com.google.inject.persist.Transactional;
/**
* Resource provider for member resources.
*/
public class MemberResourceProvider extends AbstractControllerResourceProvider {
// ----- Property ID constants ---------------------------------------------
// Members
public static final String MEMBER_GROUP_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("MemberInfo", "group_name");
public static final String MEMBER_USER_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("MemberInfo", "user_name");
private static Set<String> pkPropertyIds =
new HashSet<>(Arrays.asList(new String[]{
MEMBER_GROUP_NAME_PROPERTY_ID,
MEMBER_USER_NAME_PROPERTY_ID}));
/**
* 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
*/
@AssistedInject
public MemberResourceProvider(@Assisted Set<String> propertyIds,
@Assisted Map<Resource.Type, String> keyPropertyIds,
@Assisted AmbariManagementController managementController) {
super(propertyIds, keyPropertyIds, managementController);
EnumSet<RoleAuthorization> manageUserAuthorizations = EnumSet.of(RoleAuthorization.AMBARI_MANAGE_USERS);
setRequiredCreateAuthorizations(manageUserAuthorizations);
setRequiredGetAuthorizations(manageUserAuthorizations);
setRequiredUpdateAuthorizations(manageUserAuthorizations);
setRequiredDeleteAuthorizations(manageUserAuthorizations);
}
@Override
protected RequestStatus createResourcesAuthorized(Request request)
throws SystemException,
UnsupportedPropertyException,
ResourceAlreadyExistsException,
NoSuchParentResourceException {
final Set<MemberRequest> requests = new HashSet<>();
for (Map<String, Object> propertyMap : request.getProperties()) {
requests.add(getRequest(propertyMap));
}
createResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().createMembers(requests);
return null;
}
});
return getRequestStatus(null);
}
@Override
@Transactional
protected Set<Resource> getResourcesAuthorized(Request request, Predicate predicate) throws
SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<MemberRequest> requests = new HashSet<>();
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
requests.add(getRequest(propertyMap));
}
Set<MemberResponse> responses = getResources(new Command<Set<MemberResponse>>() {
@Override
public Set<MemberResponse> invoke() throws AmbariException {
return getManagementController().getMembers(requests);
}
});
LOG.debug("Found member responses matching get members request"
+ ", membersRequestSize=" + requests.size() + ", membersResponseSize="
+ responses.size());
Set<String> requestedIds = getRequestPropertyIds(request, predicate);
Set<Resource> resources = new HashSet<>();
for (MemberResponse memberResponse : responses) {
ResourceImpl resource = new ResourceImpl(Resource.Type.Member);
setResourceProperty(resource, MEMBER_GROUP_NAME_PROPERTY_ID,
memberResponse.getGroupName(), requestedIds);
setResourceProperty(resource, MEMBER_USER_NAME_PROPERTY_ID,
memberResponse.getUserName(), requestedIds);
resources.add(resource);
}
return resources;
}
@Override
protected RequestStatus updateResourcesAuthorized(final Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<MemberRequest> requests = new HashSet<>();
for (Map<String, Object> propertyMap : request.getProperties()) {
requests.add(getRequest(propertyMap));
}
if (requests.isEmpty()) {
// request for removing all users from group
Map<String, Object> propertyMap = new HashMap<>();
propertyMap.put(MEMBER_GROUP_NAME_PROPERTY_ID, getQueryParameterValue(MEMBER_GROUP_NAME_PROPERTY_ID, predicate));
requests.add(getRequest(propertyMap));
}
modifyResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().updateMembers(requests);
return null;
}
});
return getRequestStatus(null);
}
@Override
protected RequestStatus deleteResourcesAuthorized(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<MemberRequest> requests = new HashSet<>();
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
final MemberRequest req = getRequest(propertyMap);
requests.add(req);
}
modifyResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().deleteMembers(requests);
return null;
}
});
return getRequestStatus(null);
}
@Override
protected Set<String> getPKPropertyIds() {
return pkPropertyIds;
}
private MemberRequest getRequest(Map<String, Object> properties) {
if (properties == null) {
return new MemberRequest(null, null);
}
final MemberRequest request = new MemberRequest(
(String) properties.get(MEMBER_GROUP_NAME_PROPERTY_ID),
(String) properties.get(MEMBER_USER_NAME_PROPERTY_ID));
return request;
}
}