/**
* 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.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorException;
import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRequest;
import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRequestException;
import org.apache.ambari.server.api.services.stackadvisor.recommendations.RecommendationResponse;
import org.apache.ambari.server.api.services.stackadvisor.recommendations.RecommendationResponse.BindingHostGroup;
import org.apache.ambari.server.api.services.stackadvisor.recommendations.RecommendationResponse.HostGroup;
import org.apache.ambari.server.controller.AmbariManagementController;
import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
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.Resource.Type;
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;
public class RecommendationResourceProvider extends StackAdvisorResourceProvider {
protected static final String RECOMMENDATION_ID_PROPERTY_ID = PropertyHelper.getPropertyId(
"Recommendation", "id");
protected static final String HOSTS_PROPERTY_ID = "hosts";
protected static final String SERVICES_PROPERTY_ID = "services";
protected static final String RECOMMEND_PROPERTY_ID = "recommend";
protected static final String CONFIG_GROUPS_PROPERTY_ID = PropertyHelper
.getPropertyId("recommendations", "config-groups");
protected static final String BLUEPRINT_CONFIGURATIONS_PROPERTY_ID = PropertyHelper
.getPropertyId("recommendations/blueprint", "configurations");
protected static final String BLUEPRINT_HOST_GROUPS_PROPERTY_ID = PropertyHelper.getPropertyId(
"recommendations/blueprint", "host_groups");
protected static final String BLUEPRINT_HOST_GROUPS_NAME_PROPERTY_ID = "name";
protected static final String BLUEPRINT_HOST_GROUPS_COMPONENTS_PROPERTY_ID = "components";
protected static final String BINDING_HOST_GROUPS_PROPERTY_ID = PropertyHelper.getPropertyId(
"recommendations/blueprint_cluster_binding", "host_groups");
protected static final String BINDING_HOST_GROUPS_NAME_PROPERTY_ID = "name";
protected static final String BINDING_HOST_GROUPS_HOSTS_PROPERTY_ID = "hosts";
private static Set<String> pkPropertyIds = new HashSet<>(
Arrays.asList(new String[]{RECOMMENDATION_ID_PROPERTY_ID}));
protected RecommendationResourceProvider(Set<String> propertyIds,
Map<Type, String> keyPropertyIds, AmbariManagementController managementController) {
super(propertyIds, keyPropertyIds, managementController);
}
@Override
protected String getRequestTypePropertyId() {
return RECOMMEND_PROPERTY_ID;
}
@Override
public RequestStatus createResources(final Request request) throws SystemException,
UnsupportedPropertyException, ResourceAlreadyExistsException, NoSuchParentResourceException {
StackAdvisorRequest recommendationRequest = prepareStackAdvisorRequest(request);
final RecommendationResponse response;
try {
response = saHelper.recommend(recommendationRequest);
} catch (StackAdvisorRequestException e) {
LOG.warn("Error occured during recommendation", e);
throw new IllegalArgumentException(e.getMessage(), e);
} catch (StackAdvisorException e) {
LOG.warn("Error occured during recommendation", e);
throw new SystemException(e.getMessage(), e);
}
Resource recommendation = createResources(new Command<Resource>() {
@Override
public Resource invoke() throws AmbariException {
Resource resource = new ResourceImpl(Resource.Type.Recommendation);
setResourceProperty(resource, RECOMMENDATION_ID_PROPERTY_ID, response.getId(), getPropertyIds());
setResourceProperty(resource, STACK_NAME_PROPERTY_ID, response.getVersion().getStackName(),
getPropertyIds());
setResourceProperty(resource, STACK_VERSION_PROPERTY_ID, response.getVersion()
.getStackVersion(), getPropertyIds());
setResourceProperty(resource, HOSTS_PROPERTY_ID, response.getHosts(), getPropertyIds());
setResourceProperty(resource, SERVICES_PROPERTY_ID, response.getServices(),
getPropertyIds());
setResourceProperty(resource, CONFIG_GROUPS_PROPERTY_ID,
response.getRecommendations().getConfigGroups(), getPropertyIds());
setResourceProperty(resource, BLUEPRINT_CONFIGURATIONS_PROPERTY_ID, response
.getRecommendations().getBlueprint().getConfigurations(), getPropertyIds());
Set<HostGroup> hostGroups = response.getRecommendations().getBlueprint().getHostGroups();
List<Map<String, Object>> listGroupProps = new ArrayList<>();
for (HostGroup hostGroup : hostGroups) {
Map<String, Object> mapGroupProps = new HashMap<>();
mapGroupProps.put(BLUEPRINT_HOST_GROUPS_NAME_PROPERTY_ID, hostGroup.getName());
mapGroupProps
.put(BLUEPRINT_HOST_GROUPS_COMPONENTS_PROPERTY_ID, hostGroup.getComponents());
listGroupProps.add(mapGroupProps);
}
setResourceProperty(resource, BLUEPRINT_HOST_GROUPS_PROPERTY_ID, listGroupProps,
getPropertyIds());
Set<BindingHostGroup> bindingHostGroups = response.getRecommendations()
.getBlueprintClusterBinding().getHostGroups();
List<Map<String, Object>> listBindingGroupProps = new ArrayList<>();
for (BindingHostGroup hostGroup : bindingHostGroups) {
Map<String, Object> mapGroupProps = new HashMap<>();
mapGroupProps.put(BINDING_HOST_GROUPS_NAME_PROPERTY_ID, hostGroup.getName());
mapGroupProps.put(BINDING_HOST_GROUPS_HOSTS_PROPERTY_ID, hostGroup.getHosts());
listBindingGroupProps.add(mapGroupProps);
}
setResourceProperty(resource, BINDING_HOST_GROUPS_PROPERTY_ID, listBindingGroupProps,
getPropertyIds());
return resource;
}
});
notifyCreate(Resource.Type.Recommendation, request);
Set<Resource> resources = new HashSet<>(Arrays.asList(recommendation));
return new RequestStatusImpl(null, resources);
}
@Override
protected Set<String> getPKPropertyIds() {
return pkPropertyIds;
}
}