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Add custom headers to Langflow ingestion requests

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Introduces custom headers containing JWT and owner information to the Langflow ingestion API requests for improved authentication and traceability. Also refactors debug logging and formatting for better readability and error handling in the combined upload, ingest, and delete operation.
This commit is contained in:
Edwin Jose 2025-09-25 15:45:32 -04:00
parent 44a51514a3
commit fff4a63995
1 changed files with 44 additions and 25 deletions
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69
src/services/langflow_file_service.py
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@ -130,9 +130,16 @@ class LangflowFileService:
) )
# Avoid logging full payload to prevent leaking sensitive data (e.g., JWT) # Avoid logging full payload to prevent leaking sensitive data (e.g., JWT)
headers = {
"X-Langflow-Global-Var-JWT": jwt_token,
"X-Langflow-Global-Var-Owner": owner,
"X-Langflow-Global-Var-Owner-Name": owner_name,
"X-Langflow-Global-Var-Owner-Email": owner_email,
"X-Langflow-Global-Var-Connector-Type": connector_type,
}
resp = await clients.langflow_request( resp = await clients.langflow_request(
"POST", f"/api/v1/run/{self.flow_id_ingest}", json=payload "POST", f"/api/v1/run/{self.flow_id_ingest}", json=payload, headers=headers
) )
logger.debug( logger.debug(
"[LF] Run response", status_code=resp.status_code, reason=resp.reason_phrase "[LF] Run response", status_code=resp.status_code, reason=resp.reason_phrase
@ -168,7 +175,7 @@ class LangflowFileService:
""" """
Combined upload, ingest, and delete operation. Combined upload, ingest, and delete operation.
First uploads the file, then runs ingestion on it, then optionally deletes the file. First uploads the file, then runs ingestion on it, then optionally deletes the file.
Args: Args:
file_tuple: File tuple (filename, content, content_type) file_tuple: File tuple (filename, content, content_type)
session_id: Optional session ID for the ingestion flow session_id: Optional session ID for the ingestion flow
@ -176,12 +183,12 @@ class LangflowFileService:
settings: Optional UI settings to convert to component tweaks settings: Optional UI settings to convert to component tweaks
jwt_token: Optional JWT token for authentication jwt_token: Optional JWT token for authentication
delete_after_ingest: Whether to delete the file from Langflow after ingestion (default: True) delete_after_ingest: Whether to delete the file from Langflow after ingestion (default: True)
Returns: Returns:
Combined result with upload info, ingestion result, and deletion status Combined result with upload info, ingestion result, and deletion status
""" """
logger.debug("[LF] Starting combined upload and ingest operation") logger.debug("[LF] Starting combined upload and ingest operation")
# Step 1: Upload the file # Step 1: Upload the file
try: try:
upload_result = await self.upload_user_file(file_tuple, jwt_token=jwt_token) upload_result = await self.upload_user_file(file_tuple, jwt_token=jwt_token)
@ -190,10 +197,12 @@ class LangflowFileService:
extra={ extra={
"file_id": upload_result.get("id"), "file_id": upload_result.get("id"),
"file_path": upload_result.get("path"), "file_path": upload_result.get("path"),
} },
) )
except Exception as e: except Exception as e:
logger.error("[LF] Upload failed during combined operation", extra={"error": str(e)}) logger.error(
"[LF] Upload failed during combined operation", extra={"error": str(e)}
)
raise Exception(f"Upload failed: {str(e)}") raise Exception(f"Upload failed: {str(e)}")
# Step 2: Prepare for ingestion # Step 2: Prepare for ingestion
@ -203,9 +212,11 @@ class LangflowFileService:
# Convert UI settings to component tweaks if provided # Convert UI settings to component tweaks if provided
final_tweaks = tweaks.copy() if tweaks else {} final_tweaks = tweaks.copy() if tweaks else {}
if settings: if settings:
logger.debug("[LF] Applying ingestion settings", extra={"settings": settings}) logger.debug(
"[LF] Applying ingestion settings", extra={"settings": settings}
)
# Split Text component tweaks (SplitText-QIKhg) # Split Text component tweaks (SplitText-QIKhg)
if ( if (
@ -216,7 +227,9 @@ class LangflowFileService:
if "SplitText-QIKhg" not in final_tweaks: if "SplitText-QIKhg" not in final_tweaks:
final_tweaks["SplitText-QIKhg"] = {} final_tweaks["SplitText-QIKhg"] = {}
if settings.get("chunkSize"): if settings.get("chunkSize"):
final_tweaks["SplitText-QIKhg"]["chunk_size"] = settings["chunkSize"] final_tweaks["SplitText-QIKhg"]["chunk_size"] = settings[
"chunkSize"
]
if settings.get("chunkOverlap"): if settings.get("chunkOverlap"):
final_tweaks["SplitText-QIKhg"]["chunk_overlap"] = settings[ final_tweaks["SplitText-QIKhg"]["chunk_overlap"] = settings[
"chunkOverlap" "chunkOverlap"
@ -228,9 +241,14 @@ class LangflowFileService:
if settings.get("embeddingModel"): if settings.get("embeddingModel"):
if "OpenAIEmbeddings-joRJ6" not in final_tweaks: if "OpenAIEmbeddings-joRJ6" not in final_tweaks:
final_tweaks["OpenAIEmbeddings-joRJ6"] = {} final_tweaks["OpenAIEmbeddings-joRJ6"] = {}
final_tweaks["OpenAIEmbeddings-joRJ6"]["model"] = settings["embeddingModel"] final_tweaks["OpenAIEmbeddings-joRJ6"]["model"] = settings[
"embeddingModel"
]
logger.debug("[LF] Final tweaks with settings applied", extra={"tweaks": final_tweaks}) logger.debug(
"[LF] Final tweaks with settings applied",
extra={"tweaks": final_tweaks},
)
# Step 3: Run ingestion # Step 3: Run ingestion
try: try:
@ -244,10 +262,7 @@ class LangflowFileService:
except Exception as e: except Exception as e:
logger.error( logger.error(
"[LF] Ingestion failed during combined operation", "[LF] Ingestion failed during combined operation",
extra={ extra={"error": str(e), "file_path": file_path},
"error": str(e),
"file_path": file_path
}
) )
# Note: We could optionally delete the uploaded file here if ingestion fails # Note: We could optionally delete the uploaded file here if ingestion fails
raise Exception(f"Ingestion failed: {str(e)}") raise Exception(f"Ingestion failed: {str(e)}")
@ -256,10 +271,13 @@ class LangflowFileService:
file_id = upload_result.get("id") file_id = upload_result.get("id")
delete_result = None delete_result = None
delete_error = None delete_error = None
if delete_after_ingest and file_id: if delete_after_ingest and file_id:
try: try:
logger.debug("[LF] Deleting file after successful ingestion", extra={"file_id": file_id}) logger.debug(
"[LF] Deleting file after successful ingestion",
extra={"file_id": file_id},
)
await self.delete_user_file(file_id) await self.delete_user_file(file_id)
delete_result = {"status": "deleted", "file_id": file_id} delete_result = {"status": "deleted", "file_id": file_id}
logger.debug("[LF] File deleted successfully") logger.debug("[LF] File deleted successfully")
@ -267,26 +285,27 @@ class LangflowFileService:
delete_error = str(e) delete_error = str(e)
logger.warning( logger.warning(
"[LF] Failed to delete file after ingestion", "[LF] Failed to delete file after ingestion",
extra={ extra={"error": delete_error, "file_id": file_id},
"error": delete_error,
"file_id": file_id
}
) )
delete_result = {"status": "delete_failed", "file_id": file_id, "error": delete_error} delete_result = {
"status": "delete_failed",
"file_id": file_id,
"error": delete_error,
}
# Return combined result # Return combined result
result = { result = {
"status": "success", "status": "success",
"upload": upload_result, "upload": upload_result,
"ingestion": ingest_result, "ingestion": ingest_result,
"message": f"File '{upload_result.get('name')}' uploaded and ingested successfully" "message": f"File '{upload_result.get('name')}' uploaded and ingested successfully",
} }
if delete_after_ingest: if delete_after_ingest:
result["deletion"] = delete_result result["deletion"] = delete_result
if delete_result and delete_result.get("status") == "deleted": if delete_result and delete_result.get("status") == "deleted":
result["message"] += " and cleaned up" result["message"] += " and cleaned up"
elif delete_error: elif delete_error:
result["message"] += f" (cleanup warning: {delete_error})" result["message"] += f" (cleanup warning: {delete_error})"
return result return result