/*
* RHQ Management Platform
* Copyright 2011, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.server.drift;
import java.io.File;
import java.io.InputStream;
import javax.ejb.Local;
import org.rhq.core.domain.auth.Subject;
import org.rhq.core.domain.common.EntityContext;
import org.rhq.core.domain.criteria.DriftCriteria;
import org.rhq.core.domain.criteria.DriftDefinitionCriteria;
import org.rhq.core.domain.drift.Drift;
import org.rhq.core.domain.drift.DriftChangeSet;
import org.rhq.core.domain.drift.DriftComplianceStatus;
import org.rhq.core.domain.drift.DriftComposite;
import org.rhq.core.domain.drift.DriftDefinition;
import org.rhq.core.domain.drift.DriftDefinitionComposite;
import org.rhq.core.domain.drift.DriftDetails;
import org.rhq.core.domain.drift.DriftFile;
import org.rhq.core.domain.drift.DriftSnapshot;
import org.rhq.core.domain.util.PageList;
import org.rhq.enterprise.server.plugin.pc.drift.DriftChangeSetSummary;
@Local
public interface DriftManagerLocal extends DriftManagerRemote {
/**
* This method initiates an out-of-band (JMS-Based) server-side pull of the change-set file. Upon successful
* upload of the change-set, it is processed. This may in turn generated requests for drift files to
* be persisted.
*
* @param resourceId The resource for which the change-set is being reported.
* @param zipSize The size of the zip waiting to be streamed.
* @param zipStream The change-set zip file stream
* @throws Exception
*/
void addChangeSet(Subject subject, int resourceId, long zipSize, InputStream zipStream) throws Exception;
/**
* This method initiates an out-of-band (JMS-Based) server-side pull of the drift file zip. Upon successful
* upload of the zip, the files are stored.
*
* @param resourceId The resource from which the drift file is being supplied.
* @param zipSize The size of the zip waiting to be streamed.
* @param zipStream The drift files zip file stream
* @throws Exception
*/
void addFiles(Subject subject, int resourceId, String driftDefName, String token, long zipSize,
InputStream zipStream) throws Exception;
/**
* This is for internal use only - do not call it unless you know what you are doing.
*/
void deleteResourceDriftDefinition(Subject subject, int resourceId, int driftDefId);
/**
* One time on-demand request to detect drift on the specified entities, using the supplied def.
*
* @param entityContext
* @param driftDef
* @throws RuntimeException
*/
void detectDrift(Subject subject, EntityContext context, DriftDefinition driftDef);
PageList<DriftComposite> findDriftCompositesByCriteria(Subject subject, DriftCriteria criteria);
PageList<DriftDefinitionComposite> findDriftDefinitionCompositesByCriteria(Subject subject,
DriftDefinitionCriteria criteria);
/**
* Get the specified drift definition. Note, the full Configuration is fetched.
*
* @param driftDefId
* @return The drift definition
* @throws RuntimeException, IllegalArgumentException if entity or driftDef not found.
*/
DriftDefinition getDriftDefinition(Subject subject, int driftDefId);
/**
* Returns an object that encapsulates the information needed for viewing drift details
*
* @param subject
* @param driftId
* @return
*/
DriftDetails getDriftDetails(Subject subject, String driftId);
DriftFile getDriftFile(Subject subject, String hashId) throws Exception;
/**
* Returns the content associated with the specified hash as a string
*
* @param hash The hash the uniquely identifies the requested content
* @return The content as a string
*/
String getDriftFileBits(Subject subject, String hash);
boolean isBinaryFile(Subject subject, Drift<?, ?> drift);
String persistSnapshot(Subject subject, DriftSnapshot snapshot, DriftChangeSet<? extends Drift<?, ?>> changeSet);
void processRepeatChangeSet(int resourceId, String driftDefName, int version);
/**
* When a user wants to completely remove all data related to a drift definition,
* this method will be called to give the plugin a chance to clean up any data related
* to the drift definition that is going to be deleted.
* @param Subject
* @param resourceId the resource whose drift definition is being purged
* @param driftDefName identifies the data that is to be purged
*/
void purgeByDriftDefinitionName(Subject subject, int resourceId, String driftDefName) throws Exception;
void saveChangeSetContent(Subject subject, int resourceId, String driftDefName, String token, File changeSetFilesZip)
throws Exception;
DriftChangeSetSummary saveChangeSet(Subject subject, int resourceId, File changeSetZip) throws Exception;
void saveChangeSetFiles(Subject subject, File changeSetFilesZip) throws Exception;
void updateDriftDefinition(Subject subject, DriftDefinition driftDefinition);
/**
* <p>
* Saves or updates the provided drift definition. If the definition, identified by name, already exists, an update
* is performed; otherwise, a new drift definition is saved. Agents if available will be notified of the change.
* If agents are unreachable, the definition will still be saved/updated. Changes will then propagate to agents
* the next time they do an inventory sync.
* </p>
* <p>
* Several validation checks are performed before the definition is persisted. If it is a new definition, the
* following checks are performed:
* <ul>
* <li>Verify that the resource supports drift management</li>
* <li>Verify that the template (if specified) already exists in the database</li>
* <li>Verify that the template (if specified) belongs to the correct resource type</li>
* </ul>
* For new and existing definitions these additional checks are performed:
* <ul>
* <li>Verify that the definition name does not contain illegal characters</li>
* <li>Verify that the base directory does not contain illegal characters</li>
* <li>Verify that filters do not contain illegal characters</li>
* </ul>
* </p>
*
* @param subject
* @param entityContext
* @param driftDef
*/
void updateDriftDefinition(Subject subject, EntityContext entityContext, DriftDefinition driftDef);
/**
* This will remove all drift files that are no longer referenced by drift entries. This is a maintenance method
* to help reclaim space on the backend.
*
* @param subject
* @param purgeMillis only those unused drift files that are older than this (in epoch millis) will be purged.
* @return number of orphaned drife files that were removed
*/
int purgeOrphanedDriftFiles(Subject subject, long purgeMillis);
}