Files
ragflow/common/doc_store/infinity_conn_pool.py

116 lines
4.4 KiB
Python

#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import logging
import os
import time
import infinity
from infinity.connection_pool import ConnectionPool
from infinity.errors import ErrorCode
from common import settings
from common.decorator import singleton
@singleton
class InfinityConnectionPool:
def __init__(self):
if hasattr(settings, "INFINITY"):
self.INFINITY_CONFIG = settings.INFINITY
else:
self.INFINITY_CONFIG = settings.get_base_config("infinity", {"uri": "infinity:23817", "postgres_port": 5432, "db_name": "default_db"})
raw_pool_max_size = os.environ.get("INFINITY_POOL_MAX_SIZE", "4")
try:
self.pool_max_size = int(raw_pool_max_size)
except ValueError as e:
raise ValueError("INFINITY_POOL_MAX_SIZE must be a positive integer") from e
if self.pool_max_size < 1:
raise ValueError("INFINITY_POOL_MAX_SIZE must be >= 1")
infinity_uri = self.INFINITY_CONFIG["uri"]
if ":" in infinity_uri:
host, port = infinity_uri.split(":")
self.infinity_uri = infinity.common.NetworkAddress(host, int(port))
self.conn_pool = None
for _ in range(24):
conn_pool = None
inf_conn = None
try:
conn_pool = ConnectionPool(self.infinity_uri, max_size=self.pool_max_size)
inf_conn = conn_pool.get_conn()
res = inf_conn.show_current_node()
if res.error_code == ErrorCode.OK and res.server_status in ["started", "alive"]:
self.conn_pool = conn_pool
break
logging.warning(f"Infinity status: {res.server_status}. Waiting Infinity {infinity_uri} to be healthy.")
time.sleep(5)
except Exception as e:
logging.warning(f"{str(e)}. Waiting Infinity {infinity_uri} to be healthy.")
time.sleep(5)
finally:
if inf_conn is not None and conn_pool is not None:
conn_pool.release_conn(inf_conn)
if conn_pool is not None and conn_pool is not self.conn_pool:
conn_pool.destroy()
if self.conn_pool is None:
msg = f"Infinity {infinity_uri} is unhealthy in 120s."
logging.error(msg)
raise Exception(msg)
logging.info(f"Infinity {infinity_uri} is healthy. Connection pool max_size={self.pool_max_size}")
def get_conn_pool(self):
return self.conn_pool
def get_conn_uri(self):
"""
Get connection URI for PostgreSQL protocol.
"""
infinity_uri = self.INFINITY_CONFIG["uri"]
postgres_port = self.INFINITY_CONFIG["postgres_port"]
db_name = self.INFINITY_CONFIG["db_name"]
if ":" in infinity_uri:
host, _ = infinity_uri.split(":")
return f"host={host} port={postgres_port} dbname={db_name}"
return f"host=localhost port={postgres_port} dbname={db_name}"
def refresh_conn_pool(self):
try:
inf_conn = self.conn_pool.get_conn()
res = inf_conn.show_current_node()
if res.error_code == ErrorCode.OK and res.server_status in ["started", "alive"]:
return self.conn_pool
else:
raise Exception(f"{res.error_code}: {res.server_status}")
except Exception as e:
logging.error(str(e))
if hasattr(self, "conn_pool") and self.conn_pool:
self.conn_pool.destroy()
self.conn_pool = ConnectionPool(self.infinity_uri, max_size=self.pool_max_size)
return self.conn_pool
def __del__(self):
if hasattr(self, "conn_pool") and self.conn_pool:
self.conn_pool.destroy()
INFINITY_CONN = InfinityConnectionPool()