assistance-engine/scripts/pipelines/flows/elasticsearch_ingestion.py

144 lines
5.1 KiB
Python

from enum import Enum
import typer
import logging
import os
from pathlib import Path
from loguru import logger
from elasticsearch import Elasticsearch
from langchain_elasticsearch import ElasticsearchStore
from chonkie import SemanticChunker
from src.utils.emb_factory import create_embedding_model
from scripts.pipelines.tasks.chunk import (
read_files,
get_chunk_docs,
convert_chunks_to_document
)
app = typer.Typer()
ELASTICSEARCH_LOCAL_URL = os.getenv("ELASTICSEARCH_LOCAL_URL")
OLLAMA_LOCAL_URL = os.getenv("OLLAMA_LOCAL_URL")
ELASTICSEARCH_INDEX = os.getenv("ELASTICSEARCH_INDEX")
OLLAMA_URL = os.getenv("OLLAMA_URL")
OLLAMA_EMB_MODEL_NAME = os.getenv("OLLAMA_EMB_MODEL_NAME")
AVAP_WEB_DOCS_URL = os.getenv("AVAP_WEB_DOCS_URL")
HF_EMB_MODEL_NAME = os.getenv("HF_EMB_MODEL_NAME")
class DistanceStrategy(str, Enum):
euclidean = "EUCLIDEAN_DISTANCE"
max_inner_product = "MAX_INNER_PRODUCT"
dot_product = "DOT_PRODUCT"
jaccard = "JACCARD"
cosine = "COSINE"
@app.command()
def elasticsearch_ingestion(
docs_folder_path: str = "docs",
es_request_timeout: int = 120,
es_max_retries: int = 5,
es_retry_on_timeout: bool = True,
distance_strategy: DistanceStrategy = DistanceStrategy.cosine,
chunk_size: int = 2048,
chunk_threshold: float = 0.5,
chunk_similarity_window: int = 3,
chunk_skip_window: int = 1,
):
logger.info("Starting Elasticsearch ingestion pipeline...")
logger.info(f"Reading and concatenating files from folder: {docs_folder_path}/developer.avapframework.com")
avap_github_docs = read_files(f"{docs_folder_path}/avap_language_github_docs", concatenate=False)
avap_web_docs_intro = read_files(f"{docs_folder_path}/developer.avapframework.com", "intro", concatenate=True)
# Check chapters in developer.avapframework.com folder and read and concatenate files for each chapter
chapters = sorted({
p.name.split("_")[0]
for p in Path(f"{docs_folder_path}/developer.avapframework.com").glob("chapter*.md")
})
avap_web_docs_chapters = [
item
for chapter in chapters
for item in read_files(
f"{docs_folder_path}/developer.avapframework.com",
f"{chapter}_",
concatenate=True
)
]
avap_web_docs_appendices = read_files(f"{docs_folder_path}/developer.avapframework.com", "appendices_", concatenate=False)
avap_samples_docs = read_files(f"{docs_folder_path}/samples", concatenate=False)
logger.info("Instantiating semantic chunker...")
chunker = SemanticChunker(
embedding_model=HF_EMB_MODEL_NAME,
chunk_size=chunk_size,
threshold=chunk_threshold,
similarity_window=chunk_similarity_window,
skip_window=chunk_skip_window
)
logger.info("Chunking AVAP GitHub docs...")
avap_github_docs_chunks = get_chunk_docs(avap_github_docs, chunker)
logger.info("Chunking AVAP web docs chapters...")
avap_web_docs_chapters_chunks = get_chunk_docs(avap_web_docs_chapters, chunker)
logger.info("Creating Langchain Document to index...")
avap_github_langchain_docs = convert_chunks_to_document(avap_github_docs_chunks)
avap_web_chapters_langchain_docs = convert_chunks_to_document(avap_web_docs_chapters_chunks)
avap_web_intro_langchain_docs = convert_chunks_to_document(avap_web_docs_intro)
avap_web_appendices_langchain_docs = convert_chunks_to_document(avap_web_docs_appendices)
avap_samples_langchain_docs = convert_chunks_to_document(avap_samples_docs)
avap_documents = avap_github_langchain_docs + avap_web_chapters_langchain_docs + avap_web_intro_langchain_docs + avap_web_appendices_langchain_docs + avap_samples_langchain_docs
logger.info("Connecting to Elasticsearch...")
try:
es = Elasticsearch(
ELASTICSEARCH_LOCAL_URL,
request_timeout=es_request_timeout,
max_retries=es_max_retries,
retry_on_timeout=es_retry_on_timeout,
)
except:
logger.exception("Failed to connect to Elasticsearch.")
raise
logger.info("Instantiating embeddings model...")
try:
embeddings = create_embedding_model(
provider="ollama",
model=OLLAMA_EMB_MODEL_NAME,
base_url=OLLAMA_LOCAL_URL,
)
except:
logger.exception("Failed to instantiate embeddings model.")
raise
logger.info(f"Checking if index {ELASTICSEARCH_INDEX} exists and deleting if it does...")
if es.indices.exists(index=ELASTICSEARCH_INDEX):
es.indices.delete(index=ELASTICSEARCH_INDEX)
logger.info(f"Uploading documents to index {ELASTICSEARCH_INDEX}...")
ElasticsearchStore.from_documents(
avap_documents,
embeddings,
client=es,
index_name=ELASTICSEARCH_INDEX,
distance_strategy=distance_strategy.value,
)
logger.info(f"Finished uploading documents to index {ELASTICSEARCH_INDEX}.")
if __name__ == "__main__":
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
)
try:
app()
except Exception as exc:
logger.exception(exc)
raise