/**
* 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.UserRequest;
import org.apache.ambari.server.controller.UserResponse;
import org.apache.ambari.server.controller.spi.*;
import org.apache.ambari.server.controller.utilities.PropertyHelper;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* Resource provider for user resources.
*/
class UserResourceProvider extends AbstractResourceProvider {
// ----- Property ID constants ---------------------------------------------
// Users
protected static final String USER_USERNAME_PROPERTY_ID = PropertyHelper.getPropertyId("Users", "user_name");
protected static final String USER_ROLES_PROPERTY_ID = PropertyHelper.getPropertyId("Users", "roles");
protected static final String USER_PASSWORD_PROPERTY_ID = PropertyHelper.getPropertyId("Users", "password");
protected static final String USER_OLD_PASSWORD_PROPERTY_ID = PropertyHelper.getPropertyId("Users", "old_password");
protected static final String USER_LDAP_USER_PROPERTY_ID = PropertyHelper.getPropertyId("Users", "ldap_user");
private static Set<String> pkPropertyIds =
new HashSet<String>(Arrays.asList(new String[]{
USER_USERNAME_PROPERTY_ID}));
/**
* Create a new resource provider for the given management controller.
*/
UserResourceProvider(Set<String> propertyIds,
Map<Resource.Type, String> keyPropertyIds,
AmbariManagementController managementController) {
super(propertyIds, keyPropertyIds, managementController);
}
@Override
public RequestStatus createResources(Request request)
throws SystemException,
UnsupportedPropertyException,
ResourceAlreadyExistsException,
NoSuchParentResourceException {
final Set<UserRequest> requests = new HashSet<UserRequest>();
for (Map<String, Object> propertyMap : request.getProperties()) {
requests.add(getRequest(propertyMap));
}
createResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().createUsers(requests);
return null;
}
});
return getRequestStatus(null);
}
@Override
public Set<Resource> getResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<UserRequest> requests = new HashSet<UserRequest>();
if (predicate == null) {
requests.add(getRequest(null));
} else {
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
requests.add(getRequest(propertyMap));
}
}
Set<UserResponse> responses = getResources(new Command<Set<UserResponse>>() {
@Override
public Set<UserResponse> invoke() throws AmbariException {
return getManagementController().getUsers(requests);
}
});
if (LOG.isDebugEnabled()) {
LOG.debug("Found user responses matching get user request"
+ ", userRequestSize=" + requests.size()
+ ", userResponseSize=" + responses.size());
}
Set<String> requestedIds = getRequestPropertyIds(request, predicate);
Set<Resource> resources = new HashSet<Resource>();
for (UserResponse userResponse : responses) {
ResourceImpl resource = new ResourceImpl(Resource.Type.User);
setResourceProperty(resource, USER_USERNAME_PROPERTY_ID,
userResponse.getUsername(), requestedIds);
setResourceProperty(resource, USER_ROLES_PROPERTY_ID,
userResponse.getRoles(), requestedIds);
setResourceProperty(resource, USER_LDAP_USER_PROPERTY_ID,
userResponse.isLdapUser(), requestedIds);
resources.add(resource);
}
return resources;
}
@Override
public RequestStatus updateResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<UserRequest> requests = new HashSet<UserRequest>();
for (Map<String, Object> propertyMap : getPropertyMaps(request.getProperties().iterator().next(), predicate)) {
UserRequest req = getRequest(propertyMap);
requests.add(req);
}
modifyResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().updateUsers(requests);
return null;
}
});
return getRequestStatus(null);
}
@Override
public RequestStatus deleteResources(Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<UserRequest> requests = new HashSet<UserRequest>();
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
UserRequest req = getRequest(propertyMap);
requests.add(req);
}
modifyResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
getManagementController().deleteUsers(requests);
return null;
}
});
return getRequestStatus(null);
}
@Override
protected Set<String> getPKPropertyIds() {
return pkPropertyIds;
}
private UserRequest getRequest(Map<String, Object> properties) {
if (properties == null) {
return new UserRequest(null);
}
UserRequest request = new UserRequest ((String) properties.get(USER_USERNAME_PROPERTY_ID));
request.setPassword((String) properties.get(USER_PASSWORD_PROPERTY_ID));
request.setOldPassword((String) properties.get(USER_OLD_PASSWORD_PROPERTY_ID));
// TODO - support array/sets directly out of the request
if (null != properties.get(USER_ROLES_PROPERTY_ID)) {
HashSet<String> roles = new HashSet<String>();
Collections.addAll(roles, ((String) properties.get(USER_ROLES_PROPERTY_ID)).split(","));
request.setRoles(roles);
}
return request;
}
}