forked from LBRYCommunity/lbry-sdk
138 lines
4.9 KiB
Python
138 lines
4.9 KiB
Python
import argparse
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import asyncio
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import logging
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from elasticsearch import AsyncElasticsearch
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from elasticsearch.helpers import async_streaming_bulk
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from lbry.wallet.server.env import Env
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from lbry.wallet.server.coin import LBC
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from lbry.wallet.server.leveldb import LevelDB
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from lbry.wallet.server.db.elasticsearch.search import SearchIndex, IndexVersionMismatch
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from lbry.wallet.server.db.elasticsearch.constants import ALL_FIELDS
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async def get_recent_claims(blocks: int, index_name='claims', db=None):
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env = Env(LBC)
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need_open = db is None
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db = db or LevelDB(env)
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if need_open:
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await db.open_dbs()
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try:
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cnt = 0
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state = db.prefix_db.db_state.get()
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touched_claims = set()
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deleted_claims = set()
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for height in range(state.height - blocks + 1, state.height + 1):
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touched_or_deleted = db.prefix_db.touched_or_deleted.get(height)
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touched_claims.update(touched_or_deleted.touched_claims)
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deleted_claims.update(touched_or_deleted.deleted_claims)
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touched_claims.difference_update(deleted_claims)
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for deleted in deleted_claims:
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yield {
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'_index': index_name,
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'_op_type': 'delete',
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'_id': deleted.hex()
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}
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for touched in touched_claims:
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claim = db.claim_producer(touched)
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if claim:
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yield {
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'doc': {key: value for key, value in claim.items() if key in ALL_FIELDS},
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'_id': claim['claim_id'],
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'_index': index_name,
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'_op_type': 'update',
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'doc_as_upsert': True
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}
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cnt += 1
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else:
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logging.warning("could not sync claim %s", touched.hex())
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if cnt % 10000 == 0:
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print(f"{cnt} claims sent")
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print("sent %i claims, deleted %i" % (len(touched_claims), len(deleted_claims)))
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finally:
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if need_open:
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db.close()
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async def get_all_claims(index_name='claims', db=None):
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env = Env(LBC)
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need_open = db is None
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db = db or LevelDB(env)
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if need_open:
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await db.open_dbs()
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try:
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cnt = 0
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async for claim in db.all_claims_producer():
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yield {
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'doc': {key: value for key, value in claim.items() if key in ALL_FIELDS},
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'_id': claim['claim_id'],
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'_index': index_name,
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'_op_type': 'update',
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'doc_as_upsert': True
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}
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cnt += 1
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if cnt % 10000 == 0:
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print(f"{cnt} claims sent")
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finally:
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if need_open:
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db.close()
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async def make_es_index(index=None):
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env = Env(LBC)
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if index is None:
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index = SearchIndex('', elastic_host=env.elastic_host, elastic_port=env.elastic_port)
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try:
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return await index.start()
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except IndexVersionMismatch as err:
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logging.info(
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"dropping ES search index (version %s) for upgrade to version %s", err.got_version, err.expected_version
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)
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await index.delete_index()
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await index.stop()
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return await index.start()
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finally:
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index.stop()
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async def run_sync(index_name='claims', db=None, clients=32, blocks=0):
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env = Env(LBC)
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logging.info("ES sync host: %s:%i", env.elastic_host, env.elastic_port)
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es = AsyncElasticsearch([{'host': env.elastic_host, 'port': env.elastic_port}])
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if blocks > 0:
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blocks = min(blocks, 200)
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logging.info("Resyncing last %i blocks", blocks)
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claim_generator = get_recent_claims(blocks, index_name=index_name, db=db)
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else:
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claim_generator = get_all_claims(index_name=index_name, db=db)
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try:
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async for ok, item in async_streaming_bulk(es, claim_generator, request_timeout=600, raise_on_error=False):
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if not ok:
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logging.warning("indexing failed for an item: %s", item)
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await es.indices.refresh(index=index_name)
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finally:
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await es.close()
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def run_elastic_sync():
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logging.basicConfig(level=logging.INFO)
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logging.getLogger('aiohttp').setLevel(logging.WARNING)
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logging.getLogger('elasticsearch').setLevel(logging.WARNING)
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logging.info('lbry.server starting')
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parser = argparse.ArgumentParser(prog="lbry-hub-elastic-sync")
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# parser.add_argument("db_path", type=str)
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parser.add_argument("-c", "--clients", type=int, default=32)
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parser.add_argument("-b", "--blocks", type=int, default=0)
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parser.add_argument("-f", "--force", default=False, action='store_true')
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args = parser.parse_args()
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# if not args.force and not os.path.exists(args.db_path):
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# logging.info("DB path doesnt exist")
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# return
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if not args.force and not asyncio.run(make_es_index()):
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logging.info("ES is already initialized")
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return
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asyncio.run(run_sync(clients=args.clients, blocks=args.blocks))
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