Run the Get Connector request in a stashed threadcontext (opensearch-project#3492)

* Run the Get Connector request in a stashed threadcontext

Signed-off-by: Craig Perkins <[email protected]>

* Add restore context

Signed-off-by: Craig Perkins <[email protected]>

---------

Signed-off-by: Craig Perkins <[email protected]>

Author: cwperks

plugin/src/main/java/org/opensearch/ml/model/MLModelManager.java

@@ -2077,40 +2077,44 @@ public void getConnector(String connectorId, String tenantId, ActionListener<Con
             .tenantId(tenantId)
             .build();
 
-        sdkClient.getDataObjectAsync(getDataObjectRequest).whenComplete((r, throwable) -> {
-            log.debug("Completed Get Connector Request, id:{}", connectorId);
-            if (throwable != null) {
-                Exception cause = SdkClientUtils.unwrapAndConvertToException(throwable);
-                if (ExceptionsHelper.unwrap(cause, IndexNotFoundException.class) != null) {
-                    log.error("Failed to get connector index", cause);
-                    listener.onFailure(new OpenSearchStatusException("Failed to find connector", RestStatus.NOT_FOUND));
+        try (ThreadContext.StoredContext ctx = client.threadPool().getThreadContext().stashContext()) {
+            sdkClient.getDataObjectAsync(getDataObjectRequest).whenComplete((r, throwable) -> {
+                log.debug("Completed Get Connector Request, id:{}", connectorId);
+                ctx.restore();
+                if (throwable != null) {
+                    Exception cause = SdkClientUtils.unwrapAndConvertToException(throwable);
+                    if (ExceptionsHelper.unwrap(cause, IndexNotFoundException.class) != null) {
+                        log.error("Failed to get connector index", cause);
+                        listener.onFailure(new OpenSearchStatusException("Failed to find connector", RestStatus.NOT_FOUND));
+                    } else {
+                        log.error("Failed to get ML connector {}", connectorId, cause);
+                        listener.onFailure(cause);
+                    }
                 } else {
-                    log.error("Failed to get ML connector {}", connectorId, cause);
-                    listener.onFailure(cause);
-                }
-            } else {
-                try {
-                    GetResponse gr = r.parser() == null ? null : GetResponse.fromXContent(r.parser());
-                    if (gr != null && gr.isExists()) {
-                        try (
-                            XContentParser parser = MLNodeUtils
-                                .createXContentParserFromRegistry(NamedXContentRegistry.EMPTY, gr.getSourceAsBytesRef())
-                        ) {
-                            ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
-                            Connector connector = Connector.createConnector(parser);
-                            listener.onResponse(connector);
-                        } catch (Exception e) {
-                            log.error("Failed to parse connector:{}", connectorId);
-                            listener.onFailure(e);
+                    try {
+                        GetResponse gr = r.parser() == null ? null : GetResponse.fromXContent(r.parser());
+                        if (gr != null && gr.isExists()) {
+                            try (
+                                XContentParser parser = MLNodeUtils
+                                    .createXContentParserFromRegistry(NamedXContentRegistry.EMPTY, gr.getSourceAsBytesRef())
+                            ) {
+                                ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
+                                Connector connector = Connector.createConnector(parser);
+                                listener.onResponse(connector);
+                            } catch (Exception e) {
+                                log.error("Failed to parse connector:{}", connectorId);
+                                listener.onFailure(e);
+                            }
+                        } else {
+                            listener
+                                .onFailure(new OpenSearchStatusException("Failed to find connector:" + connectorId, RestStatus.NOT_FOUND));
                         }
-                    } else {
-                        listener.onFailure(new OpenSearchStatusException("Failed to find connector:" + connectorId, RestStatus.NOT_FOUND));
+                    } catch (Exception e) {
+                        listener.onFailure(e);
                     }
-                } catch (Exception e) {
-                    listener.onFailure(e);
                 }
-            }
-        });
+            });
+        }
     }
 
     /**