lbry-sdk/lbry/wallet/server/db/elasticsearch/sync.py
2021-10-05 16:44:49 -04:00

87 lines
3 KiB
Python

import argparse
import asyncio
import logging
from elasticsearch import AsyncElasticsearch
from elasticsearch.helpers import async_bulk
from lbry.wallet.server.env import Env
from lbry.wallet.server.coin import LBC
from lbry.wallet.server.leveldb import LevelDB
from lbry.wallet.server.db.elasticsearch.search import SearchIndex, IndexVersionMismatch
from lbry.wallet.server.db.elasticsearch.constants import ALL_FIELDS
async def get_all_claims(index_name='claims', db=None):
env = Env(LBC)
need_open = db is None
db = db or LevelDB(env)
if need_open:
await db.open_dbs()
try:
cnt = 0
async for claim in db.all_claims_producer():
yield {
'doc': {key: value for key, value in claim.items() if key in ALL_FIELDS},
'_id': claim['claim_id'],
'_index': index_name,
'_op_type': 'update',
'doc_as_upsert': True
}
cnt += 1
if cnt % 10000 == 0:
print(f"{cnt} claims sent")
finally:
if need_open:
db.close()
async def make_es_index(index=None):
env = Env(LBC)
if index is None:
index = SearchIndex('', elastic_host=env.elastic_host, elastic_port=env.elastic_port)
try:
return await index.start()
except IndexVersionMismatch as err:
logging.info(
"dropping ES search index (version %s) for upgrade to version %s", err.got_version, err.expected_version
)
await index.delete_index()
await index.stop()
return await index.start()
finally:
index.stop()
async def run_sync(index_name='claims', db=None, clients=32):
env = Env(LBC)
logging.info("ES sync host: %s:%i", env.elastic_host, env.elastic_port)
es = AsyncElasticsearch([{'host': env.elastic_host, 'port': env.elastic_port}])
claim_generator = get_all_claims(index_name=index_name, db=db)
try:
await asyncio.gather(*(async_bulk(es, claim_generator, request_timeout=600) for _ in range(clients)))
await es.indices.refresh(index=index_name)
finally:
await es.close()
def run_elastic_sync():
logging.basicConfig(level=logging.INFO)
logging.getLogger('aiohttp').setLevel(logging.WARNING)
logging.getLogger('elasticsearch').setLevel(logging.WARNING)
logging.info('lbry.server starting')
parser = argparse.ArgumentParser(prog="lbry-hub-elastic-sync")
# parser.add_argument("db_path", type=str)
parser.add_argument("-c", "--clients", type=int, default=32)
parser.add_argument("-b", "--blocks", type=int, default=0)
parser.add_argument("-f", "--force", default=False, action='store_true')
args = parser.parse_args()
# if not args.force and not os.path.exists(args.db_path):
# logging.info("DB path doesnt exist")
# return
if not args.force and not asyncio.run(make_es_index()):
logging.info("ES is already initialized")
return
asyncio.run(run_sync(clients=args.clients))