/**
* 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.StaticallyInject;
import org.apache.ambari.server.controller.AmbariManagementController;
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.orm.dao.HostRoleCommandDAO;
import org.apache.ambari.server.orm.dao.UpgradeDAO;
import org.apache.ambari.server.orm.entities.HostRoleCommandEntity;
import org.apache.ambari.server.orm.entities.UpgradeEntity;
import org.apache.ambari.server.state.Cluster;
import org.apache.ambari.server.state.UpgradeHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Inject;
/**
* Get a summary of an upgrade request.
*/
@StaticallyInject
public class UpgradeSummaryResourceProvider extends AbstractControllerResourceProvider {
protected static final String UPGRADE_SUMMARY_CLUSTER_NAME = "UpgradeSummary/cluster_name";
protected static final String UPGRADE_SUMMARY_REQUEST_ID = "UpgradeSummary/request_id";
protected static final String UPGRADE_SUMMARY_FAIL_REASON = PropertyHelper.getPropertyId("UpgradeSummary", "fail_reason");
private static final Set<String> PK_PROPERTY_IDS = new HashSet<>(
Arrays.asList(UPGRADE_SUMMARY_REQUEST_ID, UPGRADE_SUMMARY_CLUSTER_NAME));
private static final Set<String> PROPERTY_IDS = new HashSet<>();
private static Map<String, String> TASK_MAPPED_IDS = new HashMap<>();
private static final Map<Resource.Type, String> KEY_PROPERTY_IDS = new HashMap<>();
@Inject
private static UpgradeDAO s_upgradeDAO = null;
@Inject
private static HostRoleCommandDAO s_hostRoleCommandDAO = null;
/**
* Used to request a resource for a given task.
*/
@Inject
private static UpgradeHelper s_upgradeHelper;
static {
// Properties
PROPERTY_IDS.add(UPGRADE_SUMMARY_CLUSTER_NAME);
PROPERTY_IDS.add(UPGRADE_SUMMARY_REQUEST_ID);
PROPERTY_IDS.add(UPGRADE_SUMMARY_FAIL_REASON);
// Inherit all of the properties from a Task as well to return data about the current task if it failed.
for (String p : TaskResourceProvider.PROPERTY_IDS) {
TASK_MAPPED_IDS.put(p, p.replace("Tasks/", "UpgradeSummary/failed_task/"));
}
PROPERTY_IDS.addAll(TASK_MAPPED_IDS.values());
// Keys
KEY_PROPERTY_IDS.put(Resource.Type.UpgradeSummary, UPGRADE_SUMMARY_REQUEST_ID);
KEY_PROPERTY_IDS.put(Resource.Type.Cluster, UPGRADE_SUMMARY_CLUSTER_NAME);
}
private static final Logger LOG = LoggerFactory.getLogger(UpgradeSummaryResourceProvider.class);
/**
* Constructor.
*
* @param controller the controller
*/
public UpgradeSummaryResourceProvider(AmbariManagementController controller) {
super(PROPERTY_IDS, KEY_PROPERTY_IDS, controller);
}
@Override
public RequestStatus createResources(final Request request) throws SystemException,
UnsupportedPropertyException, ResourceAlreadyExistsException, NoSuchParentResourceException {
throw new UnsupportedOperationException("Resource only supports GET operation.");
}
@Override
public Set<Resource> getResources(Request request, Predicate predicate) throws SystemException,
UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
Set<Resource> resources = new HashSet<>();
Set<String> requestPropertyIds = getRequestPropertyIds(request, predicate);
for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
String clusterName = (String) propertyMap.get(UPGRADE_SUMMARY_CLUSTER_NAME);
if (null == clusterName || clusterName.isEmpty()) {
throw new IllegalArgumentException(
"The cluster name is required when querying for upgrades");
}
Cluster cluster;
try {
cluster = getManagementController().getClusters().getCluster(clusterName);
} catch (AmbariException e) {
throw new NoSuchResourceException(
String.format("Cluster %s could not be loaded", clusterName));
}
List<UpgradeEntity> upgrades = new ArrayList<>();
String upgradeRequestIdStr = (String) propertyMap.get(UPGRADE_SUMMARY_REQUEST_ID);
if (null != upgradeRequestIdStr) {
UpgradeEntity upgrade = s_upgradeDAO.findUpgradeByRequestId(Long.valueOf(upgradeRequestIdStr));
if (null != upgrade) {
upgrades.add(upgrade);
}
} else {
upgrades = s_upgradeDAO.findUpgrades(cluster.getClusterId());
}
for (UpgradeEntity entity : upgrades) {
Resource resource = new ResourceImpl(Resource.Type.UpgradeSummary);
Long upgradeRequestId = entity.getRequestId();
setResourceProperty(resource, UPGRADE_SUMMARY_CLUSTER_NAME, clusterName, requestPropertyIds);
setResourceProperty(resource, UPGRADE_SUMMARY_REQUEST_ID, entity.getRequestId(), requestPropertyIds);
HostRoleCommandEntity mostRecentFailure = s_hostRoleCommandDAO.findMostRecentFailure(upgradeRequestId);
String displayText = null;
HostRoleCommandEntity failedTask = null;
if (mostRecentFailure != null) {
UpgradeSummary summary = new UpgradeSummary(mostRecentFailure);
displayText = summary.getDisplayText();
failedTask = summary.getFailedTask();
Resource taskResource = s_upgradeHelper.getTaskResource(clusterName, failedTask.getRequestId(),
failedTask.getStageId(), failedTask.getTaskId());
// Include properties from the failed task.
if (taskResource != null) {
for (Map.Entry<String, String> property : TASK_MAPPED_IDS.entrySet()) {
String taskPropertyId = property.getKey();
String upgradeSummaryPropertyId = property.getValue();
setResourceProperty(resource, upgradeSummaryPropertyId, taskResource.getPropertyValue(taskPropertyId), requestPropertyIds);
}
}
}
setResourceProperty(resource, UPGRADE_SUMMARY_FAIL_REASON, displayText, requestPropertyIds);
resources.add(resource);
}
}
return resources;
}
@Override
public RequestStatus updateResources(final Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException,
NoSuchParentResourceException {
throw new UnsupportedOperationException("Resource only supports GET operation.");
}
@Override
public RequestStatus deleteResources(Request request, Predicate predicate) throws SystemException,
UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
throw new UnsupportedOperationException("Resource only supports GET operation.");
}
@Override
protected Set<String> getPKPropertyIds() {
return PK_PROPERTY_IDS;
}
}