Ahmet Melek fd293b3e78
feat: add elasticsearch destination connector (#2152)
Closes https://github.com/Unstructured-IO/unstructured/issues/1842
Closes https://github.com/Unstructured-IO/unstructured/issues/2202
Closes https://github.com/Unstructured-IO/unstructured/issues/2203

This PR:
- Adds Elasticsearch destination connector to be able to ingest
documents from any supported source, embed them and write the embeddings
/ documents into Elasticsearch.
- Defines an example unstructured elements schema for users to be able
to setup their unstructured elasticsearch indexes easily.
- Includes parallelized upload and lazy processing for elasticsearch
destination connector.
- Rearranges elasticsearch test helpers to source, destination, and
common folders.
- Adds util functions to be able to batch iterables in a lazy way for
uploads
- Fixes a bug where removing the optional parameter `--fields` broke the
connector due to an integer processing error.
- Fixes a bug where using an [elasticsearch
config](8fa5cbf036/unstructured/ingest/connector/elasticsearch.py (L26-L35))
for a destination connector resulted in a serialization issue when
optional parameter `--fields` was not provided.
2023-12-20 01:26:58 +00:00

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#!/usr/bin/env bash
set -e
DEST_PATH=$(dirname "$(realpath "$0")")
SCRIPT_DIR=$(dirname "$DEST_PATH")
cd "$SCRIPT_DIR"/.. || exit 1
OUTPUT_FOLDER_NAME=elasticsearch-dest
OUTPUT_ROOT=${OUTPUT_ROOT:-$SCRIPT_DIR}
OUTPUT_DIR=$OUTPUT_ROOT/structured-output/$OUTPUT_FOLDER_NAME
WORK_DIR=$OUTPUT_ROOT/workdir/$OUTPUT_FOLDER_NAME
CI=${CI:-"false"}
max_processes=${MAX_PROCESSES:=$(python3 -c "import os; print(os.cpu_count())")}
# shellcheck disable=SC1091
source "$SCRIPT_DIR"/cleanup.sh
# shellcheck disable=SC1091
source scripts/elasticsearch-test-helpers/common/es-dest-ingest-test-creds.env
function cleanup {
# Index cleanup
echo "Stopping Elasticsearch Docker container"
docker-compose -f scripts/elasticsearch-test-helpers/common/docker-compose.yaml down --remove-orphans -v
# Local file cleanup
cleanup_dir "$WORK_DIR"
cleanup_dir "$OUTPUT_DIR"
if [ "$CI" == "true" ]; then
cleanup_dir "$DOWNLOAD_DIR"
fi
}
trap cleanup EXIT
echo "Creating elasticsearch instance"
# shellcheck source=/dev/null
scripts/elasticsearch-test-helpers/destination_connector/create-elasticsearch-instance.sh
wait
PYTHONPATH=. ./unstructured/ingest/main.py \
local \
--num-processes "$max_processes" \
--output-dir "$OUTPUT_DIR" \
--strategy fast \
--verbose \
--reprocess \
--input-path example-docs/book-war-and-peace-1225p.txt \
--work-dir "$WORK_DIR" \
--chunk-elements \
--chunk-combine-text-under-n-chars 200 \
--chunk-new-after-n-chars 2500 \
--chunk-max-characters 38000 \
--chunk-multipage-sections \
--embedding-provider "langchain-huggingface" \
elasticsearch \
--hosts http://localhost:9200 \
--index-name ingest-test-destination \
--username "$ELASTIC_USER" \
--password "$ELASTIC_PASSWORD" \
--batch-size-bytes 15000000 \
--num-processes "$max_processes"
scripts/elasticsearch-test-helpers/destination_connector/test-ingest-elasticsearch-output.py