Examples of org.rhq.core.domain.drift.DriftSnapshot

org.rhq.core.domain.drift.DriftSnapshot
A representation of an agent's drift file monitoring. @author John Sanda

    }


    @Override
    public DriftSnapshot getSnapshot(DriftSnapshotRequest request) throws RuntimeException {
        try {
            DriftSnapshot results = driftManager.getSnapshot(getSessionSubject(), request);
            return SerialUtility.prepare(results, "DriftService.getSnapshot");
        } catch (Throwable t) {
            throw getExceptionToThrowToClient(t);
        }
    }

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    }


    @Override
    @TransactionAttribute(NOT_SUPPORTED)
    public DriftSnapshot getSnapshot(Subject subject, DriftSnapshotRequest request) {
        DriftSnapshot result = new DriftSnapshot(request);
        int startVersion = request.getStartVersion();


        if (0 == startVersion) {
            DriftChangeSet<? extends Drift<?, ?>> initialChangeset = loadInitialChangeSet(subject, request);
            if (null == initialChangeset) {
                if (log.isDebugEnabled()) {
                    log.debug("Cannot create snapshot, no initial changeset for: " + request);
                }


                return result;


            } else {
                result.addChangeSet(initialChangeset);
            }


            // if startVersion and endVersion are both zero, we are done.
            if (Integer.valueOf(0).equals(request.getVersion())) {
                return result;
            }


            ++startVersion;
        }


        GenericDriftChangeSetCriteria criteria = new GenericDriftChangeSetCriteria();
        criteria.addFilterCategory(DriftChangeSetCategory.DRIFT);
        criteria.addFilterStartVersion(String.valueOf(startVersion));
        if (null != request.getVersion()) {
            criteria.addFilterEndVersion(Integer.toString(request.getVersion()));
        }
        criteria.addFilterDriftDefinitionId(request.getDriftDefinitionId());
        criteria.addFilterDriftDirectory(request.getDirectory());
        criteria.setStrict(true);
        criteria.fetchDrifts(true);
        criteria.addSortVersion(PageOrdering.ASC);
        criteria.setPageControl(PageControl.getUnlimitedInstance());//disable paging as the code assumes all the results will be returned.


        PageList<? extends DriftChangeSet<?>> changeSets = findDriftChangeSetsByCriteria(subject, criteria);
        for (DriftChangeSet<? extends Drift<?, ?>> changeSet : changeSets) {
            result.addChangeSet(changeSet);
        }


        return result;
    }

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        driftDef.setPinned(true);
        driftManager.updateDriftDefinition(subject, driftDef);
        driftDef.getResource().setAgentSynchronizationNeeded();


        DriftSnapshotRequest snapshotRequest = new DriftSnapshotRequest(driftDefId, snapshotVersion);
        DriftSnapshot snapshot = getSnapshot(subject, snapshotRequest);


        DriftChangeSetDTO changeSet = new DriftChangeSetDTO();
        changeSet.setCategory(COVERAGE);
        changeSet.setVersion(0);
        changeSet.setDriftDefinitionId(driftDefId);

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            resource.setAgentSynchronizationNeeded();


            AgentClient agentClient = agentManager.getAgentClient(subjectManager.getOverlord(), resourceId);
            DriftAgentService service = agentClient.getDriftAgentService();
            try {
                DriftSnapshot snapshot = null;
                if (driftDef.getTemplate() != null && driftDef.getTemplate().isPinned()) {
                    snapshot = getSnapshot(subject, new DriftSnapshotRequest(driftDef.getId()));
                }
                // Do not pass attached entities to the following Agent call, which is outside Hibernate's control. Flush
                // and clear the entities to ensure the work above is captured and we pass out a detached object.

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    @Override
    @TransactionAttribute
    public void createTemplateChangeSet(Subject subject, int templateId, int driftDefId, int snapshotVersion) {
        DriftDefinitionTemplate template = entityMgr.find(DriftDefinitionTemplate.class, templateId);
        DriftSnapshot snapshot = driftMgr.getSnapshot(subject, new DriftSnapshotRequest(driftDefId, snapshotVersion));


        DriftChangeSetDTO changeSetDTO = new DriftChangeSetDTO();
        changeSetDTO.setCategory(COVERAGE);
        changeSetDTO.setDriftHandlingMode(normal);
        changeSetDTO.setVersion(0);

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        if (!changeSetMgr.changeSetExists(resource.getId(), headers)) {
            log.info("No snapshot found for " + toString(resource.getId(), driftDefinition)
                + ". Downloading snapshot from server");
            DriftServerService driftServer = pluginContainerConfiguration.getServerServices().getDriftServerService();


            DriftSnapshot snapshot = driftServer.getCurrentSnapshot(driftDefinition.getId());


            if (snapshot.getVersion() == -1) {
                // A version of -1 indicates that no change sets have been reported
                // for this definition. This can occur when a user creates a
                // drift definition while the agent is offline for example. At
                // this point we just return and allow the agent to generate the
                // initial snapshot file.
                if (log.isDebugEnabled()) {
                    log.debug("The server does not have any change sets for "
                        + toString(resource.getId(), driftDefinition) + ". An initial snapshot needs to be generated.");
                }
                return;
            }


            headers.setVersion(snapshot.getVersion());


            log.info("Preparing to write snapshot at version " + snapshot.getVersion() + " to disk for "
                + toString(resource.getId(), driftDefinition));
            File currentSnapshotFile = changeSetMgr
                .findChangeSet(resource.getId(), driftDefinition.getName(), COVERAGE);
            writeSnapshotToFile(snapshot, currentSnapshotFile, headers);


            if (driftDefinition.isPinned()) {
                log.debug(driftDefinition + " is pinned. Fetching pinned snapshot...");
                // The pinned snapshot is always the initial change set and only the initial
                // change set.
                DriftSnapshot pinnedSnapshot = driftServer.getSnapshot(driftDefinition.getId(), 0, 0);
                Headers pinnedHeaders = createHeaders(resource.getId(), driftDefinition);
                File pinnedSnapshotFile = new File(currentSnapshotFile.getParent(), DriftDetector.FILE_SNAPSHOT_PINNED);
                log.info("Preparing to write pinned snapshot to disk for "
                    + toString(resource.getId(), driftDefinition));
                writeSnapshotToFile(pinnedSnapshot, pinnedSnapshotFile, pinnedHeaders);


                if (snapshot.getVersion() > 0) {
                    // Drift was previously reported. We will fetch a snapshot of the
                    // latest change set and write that to disk so that we avoid reporting
                    // drift that has already been reported to the server.
                    DriftSnapshot deltaSnapshot = driftServer.getSnapshot(driftDefinition.getId(),
                        snapshot.getVersion(), snapshot.getVersion());
                    File deltaFile = new File(currentSnapshotFile.getParentFile(), DriftDetector.FILE_CHANGESET_DELTA);
                    Headers deltaHeaders = createHeaders(resource.getId(), driftDefinition);
                    deltaHeaders.setVersion(snapshot.getVersion());
                    deltaHeaders.setType(DRIFT);

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Related Classes of org.rhq.core.domain.drift.DriftSnapshot

org.rhq.core.pc.drift.DriftManager

org.rhq.coregui.server.gwt.DriftGWTServiceImpl

org.rhq.enterprise.server.drift.DriftManagerBean

org.rhq.enterprise.server.drift.DriftTemplateManagerBean

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