Env variable fetch from secret manager

README.md

@@ -118,24 +118,23 @@ Allow unauthenticated request : Yes
 |-------------------------|--------------------|---------------|--------------------------------------------------------------------------------------------------|
 |                                                                                                                                                                 |
 | **BACKEND ENV** 
-| OPENAI_API_KEY          | Mandatory           |            |An OpenAPI Key is required to use open LLM model to authenticate andn track requests                |
+| OPENAI_API_KEY          | Optional           |            |An Open AI key to use incase of openai embeddings                |
 | DIFFBOT_API_KEY         | Mandatory           |            |API key is required to use Diffbot's NLP service to extraction entities and relatioship from unstructured data|
-| BUCKET                  | Mandatory           |            |bucket name to store uploaded file on GCS                                                           |
+| BUCKET_UPLOAD_FILE      | Optional           |            |bucket name to store uploaded file on GCS                                                           |
+| BUCKET_FAILED_FILE      | Optional           |            |bucket name to store failed file on GCS while extraction                                             |
 | NEO4J_USER_AGENT        | Optional            | llm-graph-builder        | Name of the user agent to track neo4j database activity                              |
 | ENABLE_USER_AGENT       | Optional            | true       | Boolean value to enable/disable neo4j user agent                                                   |
-| DUPLICATE_TEXT_DISTANCE | Mandatory            | 5 | This value used to find distance for all node pairs in the graph and calculated based on node properties    |
-| DUPLICATE_SCORE_VALUE   | Mandatory            | 0.97 | Node score value to match duplicate node                                                                 |
-| EFFECTIVE_SEARCH_RATIO  | Mandatory            | 1 |                 |
-| GRAPH_CLEANUP_MODEL     | Optional            | 0.97 |  Model name to clean-up graph in post processing                                                           |
+| DUPLICATE_TEXT_DISTANCE | Optional            | 5 | This value used to find distance for all node pairs in the graph and calculated based on node properties    |
+| DUPLICATE_SCORE_VALUE   | Optional            | 0.97 | Node score value to match duplicate node                                                                 |
+| EFFECTIVE_SEARCH_RATIO  | Optional            | 5 |                 |
+| GRAPH_CLEANUP_MODEL     | Optional            | openai_gpt_4o |  Model name to clean-up graph in post processing                                                           |
 | MAX_TOKEN_CHUNK_SIZE    | Optional            | 10000 | Maximum token size to process file content                                                               |
-| YOUTUBE_TRANSCRIPT_PROXY| Optional            |   | Proxy key to process youtube video for getting transcript                                                   |
+| YOUTUBE_TRANSCRIPT_PROXY| Mandatory            |   | Proxy key required to process youtube video for getting transcript                                                   |
 | EMBEDDING_MODEL         | Optional            | all-MiniLM-L6-v2 | Model for generating the text embedding (all-MiniLM-L6-v2 , openai , vertexai)                |
 | IS_EMBEDDING            | Optional            | true          | Flag to enable text embedding                                                                    |
-| KNN_MIN_SCORE           | Optional            | 0.94          | Minimum score for KNN algorithm                                                                  |
+| KNN_MIN_SCORE           | Optional            | 0.8          | Minimum score for KNN algorithm                                                                  |
 | GEMINI_ENABLED          | Optional            | False         | Flag to enable Gemini                                                                             |
 | GCP_LOG_METRICS_ENABLED | Optional            | False         | Flag to enable Google Cloud logs                                                                 |
-| NUMBER_OF_CHUNKS_TO_COMBINE | Optional        | 5             | Number of chunks to combine when processing embeddings                                           |
-| UPDATE_GRAPH_CHUNKS_PROCESSED | Optional      | 20            | Number of chunks processed before updating progress                                        |
 | NEO4J_URI               | Optional            | neo4j://database:7687 | URI for Neo4j database                                                                  |
 | NEO4J_USERNAME          | Optional            | neo4j         | Username for Neo4j database                                                                       |
 | NEO4J_PASSWORD          | Optional            | password      | Password for Neo4j database                                                                       |

backend/README.md

@@ -62,10 +62,6 @@ Update the environment variable in `.env` file. Refer example.env in backend fol
 
 `NEO4J_PASSWORD` : Neo4j database user password
 
-`AWS_ACCESS_KEY_ID` : AWS Access key ID
-
-`AWS_SECRET_ACCESS_KEY` : AWS secret access key
-
 
 ## Contact
 For questions or support, feel free to contact us at [email protected] or [email protected]

backend/example.env

@@ -1,32 +1,35 @@
-OPENAI_API_KEY = ""   #This is required if you are using openai embedding model
-EMBEDDING_MODEL = "all-MiniLM-L6-v2"  #this can be openai or vertexai or by default all-MiniLM-L6-v2
-RAGAS_EMBEDDING_MODEL = "openai"  #Keep blank if you want to use all-MiniLM-L6-v2 for ragas embeddings
-IS_EMBEDDING = "TRUE"   
-KNN_MIN_SCORE = "0.94"
-# Enable Gemini (default is False) | Can be False or True
-GEMINI_ENABLED = False
-# Enable Google Cloud logs (default is False) | Can be False or True
-GCP_LOG_METRICS_ENABLED = False
-NUMBER_OF_CHUNKS_TO_COMBINE = 6
-UPDATE_GRAPH_CHUNKS_PROCESSED = 20
-NEO4J_URI = ""
-NEO4J_USERNAME = ""
-NEO4J_PASSWORD = ""
-NEO4J_DATABASE = ""
-AWS_ACCESS_KEY_ID =  ""
-AWS_SECRET_ACCESS_KEY = ""
-LANGCHAIN_API_KEY = ""
-LANGCHAIN_PROJECT = ""
-LANGCHAIN_TRACING_V2 = ""
-LANGCHAIN_ENDPOINT = ""
-GCS_FILE_CACHE = "" #save the file into GCS or local, SHould be True or False
-NEO4J_USER_AGENT=""
-ENABLE_USER_AGENT = ""
+GET_VALUE_FROM_SECRET_MANAGER= "" #OPTIONAL- Default_Value = False -- True to get all secret variable values from secret manager if available then try to get from env.
+OPENAI_API_KEY = "" #OPTIONAL- Default_Value = "openai_api_key"  #This is required if you are using openai embedding model
+EMBEDDING_MODEL = "" #OPTIONAL- Default_Value =""  #this can be openai or vertexai or by default all-MiniLM-L6-v2
+RAGAS_EMBEDDING_MODEL = "" #OPTIONAL- Default_Value ="openai"  #Keep blank if you want to use all-MiniLM-L6-v2 for ragas embeddings
+IS_EMBEDDING = "" #OPTIONAL- Default_Value ="True" --Flag to enable text embedding
+BUCKET_UPLOAD_FILE = "" #OPTIONAL- Default_Value ="gcs bucket name" -- use the gcs bucket to upload local file to gcs cloud
+BUCKET_FAILED_FILE = "" #OPTIONAL- Default_Value ="gcs bucket name" -- use the gcs bucket for failed file while extraction
+KNN_MIN_SCORE = "" #OPTIONAL- Default_Value ="0.8" --Minimum score for KNN algorithm 
+GEMINI_ENABLED = "" #OPTIONAL- Default_Value ="False"-- Enable Gemini can be False or True
+GCP_LOG_METRICS_ENABLED = "" #OPTIONAL- Default_Value = "False" -- Enable to logs metrics on gcp cloud logging
+NEO4J_URI = "" #OPTIONAL- Default_Value ="Neo4j URL"
+NEO4J_USERNAME = "" #OPTIONAL- Default_Value = "Neo4J database username"
+NEO4J_PASSWORD = "" #OPTIONAL- Default_Value = "Neo4j database user password"
+NEO4J_DATABASE = "" #OPTIONAL- Default_Value = "Neo4j database user database"
+LANGCHAIN_API_KEY ="" #OPTIONAL- Default_Value = "API key for Langchain"
+LANGCHAIN_PROJECT ="" #OPTIONAL- Default_Value = "Project for Langchain "
+LANGCHAIN_TRACING_V2 = "" #OPTIONAL- Default_Value = "Flag to enable Langchain tracing "
+LANGCHAIN_ENDPOINT = "" #OPTIONAL- Default_Value = "https://api.smith.langchain.com" -- Endpoint for Langchain API
+GCS_FILE_CACHE = "" #OPTIONAL- Default_Value = "False" #save the file into GCS or local, SHould be True or False
+NEO4J_USER_AGENT="" #OPTIONAL- Default_Value = "LLM-Graph-Builder"
+ENABLE_USER_AGENT = "" #OPTIONAL- Default_Value = "False"
+MAX_TOKEN_CHUNK_SIZE="" #OPTIONAL- Default_Value = "10000" #Max token used to process/extract the file content.
+ENTITY_EMBEDDING="" #OPTIONAL- Default_Value = "False"-- Value based on whether to create embeddings for entities suitable for entity vector mode
+DUPLICATE_SCORE_VALUE = "" #OPTIONAL- Default_Value = "0.97" -- Node score value to match duplicate node
+DUPLICATE_TEXT_DISTANCE = "" #OPTIONAL- Default_Value = "3" --This value used to find distance for all node pairs in the graph and calculated based on node properties
+DEFAULT_DIFFBOT_CHAT_MODEL="" #OPTIONAL- Default_Value = "openai_gpt_4o"  #whichever model specified here , need to add config for that model in below format)
+GRAPH_CLEANUP_MODEL="" #OPTIONAL- Default_Value = "openai_gpt_4o" -- Model name to clean-up graph in post processing
+BEDROCK_EMBEDDING_MODEL="" #Mandatory - Default_Value = "model_name,aws_access_key,aws_secret_key,region_name" -- If want to use bedrock embedding #model_name="amazon.titan-embed-text-v1"
+YOUTUBE_TRANSCRIPT_PROXY="" #Mandatory --Proxy key required to process youtube video for getting transcript --Sample Value ="https://user:pass@domain:port"
+EFFECTIVE_SEARCH_RATIO="" #OPTIONAL- Default_Value = "2"
+
 LLM_MODEL_CONFIG_model_version=""
-ENTITY_EMBEDDING="TRUE"   # TRUE or FALSE based on whether to create embeddings for entities suitable for entity vector mode
-DUPLICATE_SCORE_VALUE =0.97
-DUPLICATE_TEXT_DISTANCE =3
-DEFAULT_DIFFBOT_CHAT_MODEL="openai_gpt_4o"  #whichever model specified here , need to add config for that model in below format)
 #examples
 LLM_MODEL_CONFIG_openai_gpt_3.5="gpt-3.5-turbo-0125,openai_api_key"
 LLM_MODEL_CONFIG_openai_gpt_4o_mini="gpt-4o-mini-2024-07-18,openai_api_key"
@@ -43,13 +46,8 @@ LLM_MODEL_CONFIG_anthropic_claude_3_5_sonnet="model_name,anthropic_api_key"
 LLM_MODEL_CONFIG_fireworks_llama_v3_70b="model_name,fireworks_api_key"
 LLM_MODEL_CONFIG_bedrock_claude_3_5_sonnet="model_name,aws_access_key_id,aws_secret__access_key,region_name"
 LLM_MODEL_CONFIG_ollama_llama3="model_name,model_local_url"
-YOUTUBE_TRANSCRIPT_PROXY="https://user:pass@domain:port"
-EFFECTIVE_SEARCH_RATIO=5
-GRAPH_CLEANUP_MODEL="openai_gpt_4o"
-BEDROCK_EMBEDDING_MODEL="model_name,aws_access_key,aws_secret_key,region_name"                       #model_name="amazon.titan-embed-text-v1"
 LLM_MODEL_CONFIG_bedrock_nova_micro_v1="model_name,aws_access_key,aws_secret_key,region_name"        #model_name="amazon.nova-micro-v1:0"
 LLM_MODEL_CONFIG_bedrock_nova_lite_v1="model_name,aws_access_key,aws_secret_key,region_name"         #model_name="amazon.nova-lite-v1:0"
 LLM_MODEL_CONFIG_bedrock_nova_pro_v1="model_name,aws_access_key,aws_secret_key,region_name"          #model_name="amazon.nova-pro-v1:0"
 LLM_MODEL_CONFIG_fireworks_deepseek_r1="model_name,fireworks_api_key"      #model_name="accounts/fireworks/models/deepseek-r1"
-LLM_MODEL_CONFIG_fireworks_deepseek_v3="model_name,fireworks_api_key"      #model_name="accounts/fireworks/models/deepseek-v3"
-MAX_TOKEN_CHUNK_SIZE=2000 #Max token used to process/extract the file content.
+LLM_MODEL_CONFIG_fireworks_deepseek_v3="model_name,fireworks_api_key"      #model_name="accounts/fireworks/models/deepseek-v3"

backend/requirements.txt

@@ -61,3 +61,4 @@ rouge_score==0.1.2
 langchain-neo4j==0.3.0
 pypandoc-binary==1.15
 chardet==5.2.0
+google-cloud-secret-manager==2.23.1

backend/score.py

@@ -112,7 +112,7 @@ async def __call__(self, scope: Scope, receive: Receive, send: Send):
 )
 app.add_middleware(SessionMiddleware, secret_key=os.urandom(24))
 
-is_gemini_enabled = os.environ.get("GEMINI_ENABLED", "False").lower() in ("true", "1", "yes")
+is_gemini_enabled = get_value_from_env_or_secret_manager("GEMINI_ENABLED", False, "bool")
 if is_gemini_enabled:
     add_routes(app,ChatVertexAI(), path="/vertexai")
 
@@ -381,7 +381,7 @@ async def post_processing(uri=Form(None), userName=Form(None), password=Form(Non
             api_name = 'post_processing/enable_hybrid_search_and_fulltext_search_in_bloom'
             logging.info(f'Full Text index created')
 
-        if os.environ.get('ENTITY_EMBEDDING','False').upper()=="TRUE" and "materialize_entity_similarities" in tasks:
+        if get_value_from_env_or_secret_manager("ENTITY_EMBEDDING",False,"bool") and "materialize_entity_similarities" in tasks:
             await asyncio.to_thread(create_entity_embedding, graph)
             api_name = 'post_processing/create_entity_embedding'
             logging.info(f'Entity Embeddings created')
@@ -551,7 +551,7 @@ async def connect(uri=Form(None), userName=Form(None), password=Form(None), data
         start = time.time()
         graph = create_graph_database_connection(uri, userName, password, database)
         result = await asyncio.to_thread(connection_check_and_get_vector_dimensions, graph, database)
-        gcs_file_cache = os.environ.get('GCS_FILE_CACHE')
+        gcs_file_cache = get_value_from_env_or_secret_manager("GCS_FILE_CACHE",False, "bool")
         end = time.time()
         elapsed_time = end - start
         json_obj = {'api_name':'connect','db_url':uri, 'userName':userName, 'database':database, 'count':1, 'logging_time': formatted_time(datetime.now(timezone.utc)), 'elapsed_api_time':f'{elapsed_time:.2f}','email':email}
@@ -1034,11 +1034,11 @@ async def fetch_chunktext(
 async def backend_connection_configuration():
     try:
         start = time.time()
-        uri = os.getenv('NEO4J_URI')
-        username= os.getenv('NEO4J_USERNAME')
-        database= os.getenv('NEO4J_DATABASE')
-        password= os.getenv('NEO4J_PASSWORD')
-        gcs_file_cache = os.environ.get('GCS_FILE_CACHE')
+        uri = get_value_from_env_or_secret_manager("NEO4J_URI")
+        username= get_value_from_env_or_secret_manager("NEO4J_USERNAME")
+        database= get_value_from_env_or_secret_manager("NEO4J_DATABASE")
+        password= get_value_from_env_or_secret_manager("NEO4J_PASSWORD")
+        gcs_file_cache = get_value_from_env_or_secret_manager("GCS_FILE_CACHE",False, "bool")
         if all([uri, username, database, password]):
             graph = Neo4jGraph()
             logging.info(f'login connection status of object: {graph}')

backend/src/QA_integration.py

@@ -33,11 +33,11 @@
 
 # Local imports
 from src.llm import get_llm
-from src.shared.common_fn import load_embedding_model
+from src.shared.common_fn import get_value_from_env_or_secret_manager, load_embedding_model
 from src.shared.constants import *
 load_dotenv() 
 
-EMBEDDING_MODEL = os.getenv('EMBEDDING_MODEL')
+EMBEDDING_MODEL = get_value_from_env_or_secret_manager("EMBEDDING_MODEL")
 EMBEDDING_FUNCTION , _ = load_embedding_model(EMBEDDING_MODEL) 
 
 class SessionChatHistory:
@@ -397,7 +397,7 @@
         neo_db = initialize_neo4j_vector(graph, chat_mode_settings)
         # document_names= list(map(str.strip, json.loads(document_names)))
         search_k = chat_mode_settings["top_k"]
-        ef_ratio = int(os.getenv("EFFECTIVE_SEARCH_RATIO", "2")) if os.getenv("EFFECTIVE_SEARCH_RATIO", "2").isdigit() else 2
+        ef_ratio = get_value_from_env_or_secret_manager("EFFECTIVE_SEARCH_RATIO", 5, "int")
         retriever = create_retriever(neo_db, document_names,chat_mode_settings, search_k, score_threshold,ef_ratio)
         return retriever
     except Exception as e:
@@ -410,10 +410,10 @@
     start_time = time.time()
     try:
         if model == "diffbot":
-            model = os.getenv('DEFAULT_DIFFBOT_CHAT_MODEL')
+            model = get_value_from_env_or_secret_manager("DEFAULT_DIFFBOT_CHAT_MODEL","openai_gpt_4o")
 
         llm, model_name = get_llm(model=model)
         logging.info(f"Model called in chat: {model} (version: {model_name})")
 
         retriever = get_neo4j_retriever(graph=graph, chat_mode_settings=chat_mode_settings, document_names=document_names)
         doc_retriever = create_document_retriever_chain(llm, retriever)

backend/src/communities.py

@@ -5,7 +5,7 @@
 from langchain_core.output_parsers import StrOutputParser 
 from concurrent.futures import ThreadPoolExecutor, as_completed
 import os
-from src.shared.common_fn import load_embedding_model
+from src.shared.common_fn import get_value_from_env_or_secret_manager, load_embedding_model
 
 
 COMMUNITY_PROJECTION_NAME = "communities"
@@ -351,9 +351,9 @@
 
 def create_community_embeddings(gds):
     try:
-        embedding_model = os.getenv('EMBEDDING_MODEL')
+        embedding_model = get_value_from_env_or_secret_manager("EMBEDDING_MODEL")
         embeddings, dimension = load_embedding_model(embedding_model)
         logging.info(f"Embedding model '{embedding_model}' loaded successfully.")
 
         logging.info("Fetching community details.")
         rows = gds.run_cypher(GET_COMMUNITY_DETAILS)

backend/src/create_chunks.py

@@ -1,5 +1,6 @@
 from langchain_text_splitters import TokenTextSplitter
 from langchain.docstore.document import Document
+from src.shared.common_fn import get_value_from_env_or_secret_manager
 from langchain_neo4j import Neo4jGraph
 import logging
 from src.document_sources.youtube import get_chunks_with_timestamps, get_calculated_timestamps
@@ -26,7 +27,7 @@ def split_file_into_chunks(self,token_chunk_size, chunk_overlap):
         """
         logging.info("Split file into smaller chunks")
         text_splitter = TokenTextSplitter(chunk_size=token_chunk_size, chunk_overlap=chunk_overlap)
-        MAX_TOKEN_CHUNK_SIZE = int(os.getenv('MAX_TOKEN_CHUNK_SIZE', 10000))
+        MAX_TOKEN_CHUNK_SIZE = get_value_from_env_or_secret_manager("MAX_TOKEN_CHUNK_SIZE",10000, "int")
         chunk_to_be_created = int(MAX_TOKEN_CHUNK_SIZE / token_chunk_size)
 
         if 'page' in self.pages[0].metadata:

backend/src/document_sources/youtube.py

@@ -1,4 +1,5 @@
 from langchain.docstore.document import Document
+from src.shared.common_fn import *
 from src.shared.llm_graph_builder_exception import LLMGraphBuilderException
 from youtube_transcript_api import YouTubeTranscriptApi 
 import logging
@@ -11,7 +12,7 @@
 
 def get_youtube_transcript(youtube_id):
   try:
-    proxy = os.environ.get("YOUTUBE_TRANSCRIPT_PROXY") 
+    proxy = get_value_from_env_or_secret_manager("YOUTUBE_TRANSCRIPT_PROXY")
     proxies = { 'https': proxy }
     transcript_pieces = YouTubeTranscriptApi.get_transcript(youtube_id, proxies = proxies)
     return transcript_pieces