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[Backport 2.x] Remove blocking calls and change threat intel feed flow to event driven #876

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Merged
merged 1 commit into from
Mar 2, 2024
Merged

[Backport 2.x] Remove blocking calls and change threat intel feed flow to event driven #876

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43 changes: 15 additions & 28 deletions src/main/java/org/opensearch/securityanalytics/threatIntel/DetectorThreatIntelService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,6 @@
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

import static org.opensearch.securityanalytics.model.Detector.DETECTORS_INDEX;
Expand Down Expand Up @@ -121,35 +119,24 @@ public void createDocLevelQueryFromThreatIntel(List<LogType.IocFields> iocFieldL
listener.onResponse(Collections.emptyList());
return;
}

CountDownLatch latch = new CountDownLatch(1);
threatIntelFeedDataService.getThreatIntelFeedData(new ActionListener<>() {
@Override
public void onResponse(List<ThreatIntelFeedData> threatIntelFeedData) {
if (threatIntelFeedData.isEmpty()) {
listener.onResponse(Collections.emptyList());
} else {
listener.onResponse(
createDocLevelQueriesFromThreatIntelList(iocFieldList, threatIntelFeedData, detector)
);
threatIntelFeedDataService.getThreatIntelFeedData(ActionListener.wrap(
threatIntelFeedData -> {
if (threatIntelFeedData.isEmpty()) {
listener.onResponse(Collections.emptyList());
} else {
listener.onResponse(
createDocLevelQueriesFromThreatIntelList(iocFieldList, threatIntelFeedData, detector)
);
}
}, e -> {
log.error("Failed to get threat intel feeds for doc level query creation", e);
listener.onFailure(e);
}
latch.countDown();
}

@Override
public void onFailure(Exception e) {
log.error("Failed to get threat intel feeds for doc level query creation", e);
listener.onFailure(e);
latch.countDown();
}
});

latch.await(30, TimeUnit.SECONDS);
} catch (InterruptedException e) {
log.error("Failed to create doc level queries from threat intel feeds", e);
));
} catch (Exception e) {
log.error("Failed to create doc level query from threat intel data", e);
listener.onFailure(e);
}

}

private static String constructId(Detector detector, String iocType) {
Expand Down
145 changes: 59 additions & 86 deletions src/main/java/org/opensearch/securityanalytics/threatIntel/ThreatIntelFeedDataService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,12 +34,12 @@
import org.opensearch.core.xcontent.ToXContent;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.securityanalytics.model.ThreatIntelFeedData;
import org.opensearch.securityanalytics.settings.SecurityAnalyticsSettings;
import org.opensearch.securityanalytics.threatIntel.action.PutTIFJobAction;
import org.opensearch.securityanalytics.threatIntel.action.PutTIFJobRequest;
import org.opensearch.securityanalytics.threatIntel.action.ThreatIntelIndicesResponse;
import org.opensearch.securityanalytics.threatIntel.common.TIFMetadata;
import org.opensearch.securityanalytics.threatIntel.common.StashedThreadContext;
import org.opensearch.securityanalytics.settings.SecurityAnalyticsSettings;
import org.opensearch.securityanalytics.threatIntel.common.TIFMetadata;
import org.opensearch.securityanalytics.threatIntel.jobscheduler.TIFJobParameterService;
import org.opensearch.securityanalytics.util.IndexUtils;
import org.opensearch.securityanalytics.util.SecurityAnalyticsException;
Expand All @@ -56,7 +56,6 @@
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.CountDownLatch;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
Expand Down Expand Up @@ -104,21 +103,13 @@ public void getThreatIntelFeedData(
ActionListener<List<ThreatIntelFeedData>> listener
) {
try {

String tifdIndex = getLatestIndexByCreationDate();
if (tifdIndex == null) {
createThreatIntelFeedData(listener);
} else {
SearchRequest searchRequest = new SearchRequest(tifdIndex);
searchRequest.source().size(9999); //TODO: convert to scroll
String finalTifdIndex = tifdIndex;
client.search(searchRequest, ActionListener.wrap(r -> listener.onResponse(ThreatIntelFeedDataUtils.getTifdList(r, xContentRegistry)), e -> {
log.error(String.format(
"Failed to fetch threat intel feed data from system index %s", finalTifdIndex), e);
listener.onFailure(e);
}));
fetchThreatIntelFeedDataFromIndex(tifdIndex, listener);
}
} catch (InterruptedException e) {
} catch (Exception e) {
log.error("Failed to get threat intel feed data", e);
listener.onFailure(e);
}
Expand Down Expand Up @@ -150,21 +141,16 @@ public void createIndexIfNotExists(final String indexName, final ActionListener<
.mapping(getIndexMapping()).timeout(clusterSettings.get(SecurityAnalyticsSettings.THREAT_INTEL_TIMEOUT));
StashedThreadContext.run(
client,
() -> client.admin().indices().create(createIndexRequest, new ActionListener<>() {
@Override
public void onResponse(CreateIndexResponse response) {
if (response.isAcknowledged()) {
listener.onResponse(response);
} else {
onFailure(new OpenSearchStatusException("Threat intel feed index creation failed", RestStatus.INTERNAL_SERVER_ERROR));
}
}

@Override
public void onFailure(Exception e) {
listener.onFailure(e);
}
})
() -> client.admin().indices().create(createIndexRequest,
ActionListener.wrap(
response -> {
if (response.isAcknowledged())
listener.onResponse(response);
else
listener.onFailure(new OpenSearchStatusException("Threat intel feed index creation failed", RestStatus.INTERNAL_SERVER_ERROR));

}, listener::onFailure
))
);
}

Expand Down Expand Up @@ -223,28 +209,20 @@ public void parseAndSaveThreatIntelFeedDataCSV(
}
bulkRequestList.add(bulkRequest);

GroupedActionListener<BulkResponse> bulkResponseListener = new GroupedActionListener<>(new ActionListener<>() {
@Override
public void onResponse(Collection<BulkResponse> bulkResponses) {
int idx = 0;
for (BulkResponse response: bulkResponses) {
BulkRequest request = bulkRequestList.get(idx);
if (response.hasFailures()) {
throw new OpenSearchException(
"error occurred while ingesting threat intel feed data in {} with an error {}",
StringUtils.join(request.getIndices()),
response.buildFailureMessage()
);
}
GroupedActionListener<BulkResponse> bulkResponseListener = new GroupedActionListener<>(ActionListener.wrap(bulkResponses -> {
int idx = 0;
for (BulkResponse response : bulkResponses) {
BulkRequest request = bulkRequestList.get(idx);
if (response.hasFailures()) {
throw new OpenSearchException(
"error occurred while ingesting threat intel feed data in {} with an error {}",
StringUtils.join(request.getIndices()),
response.buildFailureMessage()
);
}
listener.onResponse(new ThreatIntelIndicesResponse(true, List.of(indexName)));
}

@Override
public void onFailure(Exception e) {
listener.onFailure(e);
}
}, bulkRequestList.size());
listener.onResponse(new ThreatIntelIndicesResponse(true, List.of(indexName)));
}, listener::onFailure), bulkRequestList.size());

for (int i = 0; i < bulkRequestList.size(); ++i) {
saveTifds(bulkRequestList.get(i), timeout, bulkResponseListener);
Expand Down Expand Up @@ -291,52 +269,47 @@ public void deleteThreatIntelDataIndex(final List<String> indices) {
.prepareDelete(indices.toArray(new String[0]))
.setIndicesOptions(IndicesOptions.LENIENT_EXPAND_OPEN_CLOSED_HIDDEN)
.setTimeout(clusterSettings.get(SecurityAnalyticsSettings.THREAT_INTEL_TIMEOUT))
.execute(new ActionListener<>() {
@Override
public void onResponse(AcknowledgedResponse response) {
if (response.isAcknowledged() == false) {
onFailure(new OpenSearchException("failed to delete data[{}]", String.join(",", indices)));
}
}

@Override
public void onFailure(Exception e) {
log.error("unknown exception:", e);
}
})
.execute(ActionListener.wrap(
response -> {
if (response.isAcknowledged() == false) {
log.error(new OpenSearchException("failed to delete threat intel feed index[{}]",
String.join(",", indices)));
}
}, e -> log.error("failed to delete threat intel feed index [{}]", e)
))
);
}

private void createThreatIntelFeedData(ActionListener<List<ThreatIntelFeedData>> listener) throws InterruptedException {
CountDownLatch countDownLatch = new CountDownLatch(1);
private void createThreatIntelFeedData(ActionListener<List<ThreatIntelFeedData>> listener) {
client.execute(
PutTIFJobAction.INSTANCE,
new PutTIFJobRequest("feed_updater", clusterSettings.get(SecurityAnalyticsSettings.TIF_UPDATE_INTERVAL)),
new ActionListener<>() {
@Override
public void onResponse(AcknowledgedResponse acknowledgedResponse) {
log.debug("Acknowledged threat intel feed updater job created");
countDownLatch.countDown();
String tifdIndex = getLatestIndexByCreationDate();

SearchRequest searchRequest = new SearchRequest(tifdIndex);
searchRequest.source().size(9999); //TODO: convert to scroll
String finalTifdIndex = tifdIndex;
client.search(searchRequest, ActionListener.wrap(r -> listener.onResponse(ThreatIntelFeedDataUtils.getTifdList(r, xContentRegistry)), e -> {
log.error(String.format(
"Failed to fetch threat intel feed data from system index %s", finalTifdIndex), e);
ActionListener.wrap(
r -> {
if (false == r.isAcknowledged()) {
listener.onFailure(new Exception("Failed to acknowledge Put Tif job action"));
return;
}
log.debug("Acknowledged threat intel feed updater job created");
String tifdIndex = getLatestIndexByCreationDate();
fetchThreatIntelFeedDataFromIndex(tifdIndex, listener);
}, e -> {
log.debug("Failed to create threat intel feed updater job", e);
listener.onFailure(e);
}));
}

@Override
public void onFailure(Exception e) {
log.debug("Failed to create threat intel feed updater job", e);
countDownLatch.countDown();
}
}
}
)
);
countDownLatch.await();
}

private void fetchThreatIntelFeedDataFromIndex(String tifdIndex, ActionListener<List<ThreatIntelFeedData>> listener) {
SearchRequest searchRequest = new SearchRequest(tifdIndex);
searchRequest.source().size(9999); //TODO: convert to scroll
String finalTifdIndex = tifdIndex;
client.search(searchRequest, ActionListener.wrap(r -> listener.onResponse(ThreatIntelFeedDataUtils.getTifdList(r, xContentRegistry)), e -> {
log.error(String.format(
"Failed to fetch threat intel feed data from system index %s", finalTifdIndex), e);
listener.onFailure(e);
}));
}

private String getIndexMapping() {
Expand Down
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