mirror of
https://git.mirrors.martin98.com/https://github.com/infiniflow/ragflow.git
synced 2025-04-22 14:10:01 +08:00
2d1fbefdb5
### What problem does this PR solve? #2834 ### Type of change - [x] New Feature (non-breaking change which adds functionality)
465 lines
17 KiB
Python
465 lines
17 KiB
Python
import re
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import json
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import time
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import copy
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import elasticsearch
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from elastic_transport import ConnectionTimeout
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from elasticsearch import Elasticsearch
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from elasticsearch_dsl import UpdateByQuery, Search, Index
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from rag.settings import es_logger
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from rag import settings
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from rag.utils import singleton
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es_logger.info("Elasticsearch version: "+str(elasticsearch.__version__))
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@singleton
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class ESConnection:
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def __init__(self):
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self.info = {}
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self.conn()
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self.idxnm = settings.ES.get("index_name", "")
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if not self.es.ping():
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raise Exception("Can't connect to ES cluster")
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def conn(self):
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for _ in range(10):
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try:
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self.es = Elasticsearch(
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settings.ES["hosts"].split(","),
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basic_auth=(settings.ES["username"], settings.ES["password"]) if "username" in settings.ES and "password" in settings.ES else None,
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verify_certs=False,
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timeout=600
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)
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if self.es:
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self.info = self.es.info()
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es_logger.info("Connect to es.")
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break
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except Exception as e:
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es_logger.error("Fail to connect to es: " + str(e))
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time.sleep(1)
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def version(self):
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v = self.info.get("version", {"number": "5.6"})
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v = v["number"].split(".")[0]
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return int(v) >= 7
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def health(self):
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return dict(self.es.cluster.health())
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def upsert(self, df, idxnm=""):
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res = []
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for d in df:
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id = d["id"]
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del d["id"]
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d = {"doc": d, "doc_as_upsert": "true"}
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T = False
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for _ in range(10):
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try:
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if not self.version():
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r = self.es.update(
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index=(
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self.idxnm if not idxnm else idxnm),
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body=d,
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id=id,
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doc_type="doc",
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refresh=True,
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retry_on_conflict=100)
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else:
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r = self.es.update(
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index=(
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self.idxnm if not idxnm else idxnm),
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body=d,
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id=id,
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refresh=True,
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retry_on_conflict=100)
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es_logger.info("Successfully upsert: %s" % id)
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T = True
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break
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except Exception as e:
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es_logger.warning("Fail to index: " +
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json.dumps(d, ensure_ascii=False) + str(e))
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if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
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time.sleep(3)
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continue
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self.conn()
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T = False
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if not T:
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res.append(d)
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es_logger.error(
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"Fail to index: " +
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re.sub(
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"[\r\n]",
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"",
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json.dumps(
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d,
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ensure_ascii=False)))
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d["id"] = id
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d["_index"] = self.idxnm
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if not res:
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return True
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return False
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def bulk(self, df, idx_nm=None):
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ids, acts = {}, []
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for d in df:
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id = d["id"] if "id" in d else d["_id"]
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ids[id] = copy.deepcopy(d)
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ids[id]["_index"] = self.idxnm if not idx_nm else idx_nm
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if "id" in d:
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del d["id"]
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if "_id" in d:
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del d["_id"]
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acts.append(
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{"update": {"_id": id, "_index": ids[id]["_index"]}, "retry_on_conflict": 100})
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acts.append({"doc": d, "doc_as_upsert": "true"})
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res = []
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for _ in range(100):
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try:
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if elasticsearch.__version__[0] < 8:
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r = self.es.bulk(
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index=(
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self.idxnm if not idx_nm else idx_nm),
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body=acts,
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refresh=False,
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timeout="600s")
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else:
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r = self.es.bulk(index=(self.idxnm if not idx_nm else
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idx_nm), operations=acts,
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refresh=False, timeout="600s")
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if re.search(r"False", str(r["errors"]), re.IGNORECASE):
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return res
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for it in r["items"]:
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if "error" in it["update"]:
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res.append(str(it["update"]["_id"]) +
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":" + str(it["update"]["error"]))
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return res
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except Exception as e:
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es_logger.warn("Fail to bulk: " + str(e))
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if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
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time.sleep(3)
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continue
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self.conn()
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return res
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def bulk4script(self, df):
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ids, acts = {}, []
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for d in df:
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id = d["id"]
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ids[id] = copy.deepcopy(d["raw"])
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acts.append({"update": {"_id": id, "_index": self.idxnm}})
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acts.append(d["script"])
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es_logger.info("bulk upsert: %s" % id)
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res = []
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for _ in range(10):
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try:
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if not self.version():
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r = self.es.bulk(
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index=self.idxnm,
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body=acts,
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refresh=False,
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timeout="600s",
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doc_type="doc")
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else:
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r = self.es.bulk(
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index=self.idxnm,
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body=acts,
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refresh=False,
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timeout="600s")
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if re.search(r"False", str(r["errors"]), re.IGNORECASE):
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return res
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for it in r["items"]:
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if "error" in it["update"]:
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res.append(str(it["update"]["_id"]))
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return res
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except Exception as e:
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es_logger.warning("Fail to bulk: " + str(e))
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if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
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time.sleep(3)
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continue
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self.conn()
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return res
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def rm(self, d):
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for _ in range(10):
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try:
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if not self.version():
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r = self.es.delete(
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index=self.idxnm,
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id=d["id"],
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doc_type="doc",
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refresh=True)
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else:
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r = self.es.delete(
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index=self.idxnm,
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id=d["id"],
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refresh=True,
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doc_type="_doc")
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es_logger.info("Remove %s" % d["id"])
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return True
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except Exception as e:
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es_logger.warn("Fail to delete: " + str(d) + str(e))
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if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
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time.sleep(3)
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continue
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if re.search(r"(not_found)", str(e), re.IGNORECASE):
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return True
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self.conn()
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es_logger.error("Fail to delete: " + str(d))
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return False
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def search(self, q, idxnms=None, src=False, timeout="2s"):
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if not isinstance(q, dict):
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q = Search().query(q).to_dict()
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if isinstance(idxnms, str):
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idxnms = idxnms.split(",")
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for i in range(3):
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try:
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res = self.es.search(index=(self.idxnm if not idxnms else idxnms),
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body=q,
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timeout=timeout,
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# search_type="dfs_query_then_fetch",
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track_total_hits=True,
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_source=src)
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if str(res.get("timed_out", "")).lower() == "true":
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raise Exception("Es Timeout.")
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return res
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except Exception as e:
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es_logger.error(
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"ES search exception: " +
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str(e) +
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"【Q】：" +
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str(q))
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if str(e).find("Timeout") > 0:
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continue
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raise e
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es_logger.error("ES search timeout for 3 times!")
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raise Exception("ES search timeout.")
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def sql(self, sql, fetch_size=128, format="json", timeout="2s"):
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for i in range(3):
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try:
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res = self.es.sql.query(body={"query": sql, "fetch_size": fetch_size}, format=format, request_timeout=timeout)
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return res
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except ConnectionTimeout as e:
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es_logger.error("Timeout【Q】：" + sql)
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continue
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except Exception as e:
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raise e
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es_logger.error("ES search timeout for 3 times!")
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raise ConnectionTimeout()
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def get(self, doc_id, idxnm=None):
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for i in range(3):
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try:
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res = self.es.get(index=(self.idxnm if not idxnm else idxnm),
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id=doc_id)
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if str(res.get("timed_out", "")).lower() == "true":
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raise Exception("Es Timeout.")
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return res
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except Exception as e:
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es_logger.error(
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"ES get exception: " +
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str(e) +
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"【Q】：" +
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doc_id)
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if str(e).find("Timeout") > 0:
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continue
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raise e
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es_logger.error("ES search timeout for 3 times!")
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raise Exception("ES search timeout.")
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def updateByQuery(self, q, d):
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ubq = UpdateByQuery(index=self.idxnm).using(self.es).query(q)
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scripts = ""
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for k, v in d.items():
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scripts += "ctx._source.%s = params.%s;" % (str(k), str(k))
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ubq = ubq.script(source=scripts, params=d)
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ubq = ubq.params(refresh=False)
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ubq = ubq.params(slices=5)
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ubq = ubq.params(conflicts="proceed")
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for i in range(3):
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try:
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r = ubq.execute()
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return True
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except Exception as e:
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es_logger.error("ES updateByQuery exception: " +
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str(e) + "【Q】：" + str(q.to_dict()))
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if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
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continue
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self.conn()
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return False
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def updateScriptByQuery(self, q, scripts, idxnm=None):
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ubq = UpdateByQuery(
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index=self.idxnm if not idxnm else idxnm).using(
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self.es).query(q)
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ubq = ubq.script(source=scripts)
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ubq = ubq.params(refresh=True)
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ubq = ubq.params(slices=5)
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ubq = ubq.params(conflicts="proceed")
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for i in range(3):
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try:
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r = ubq.execute()
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return True
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except Exception as e:
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es_logger.error("ES updateByQuery exception: " +
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str(e) + "【Q】：" + str(q.to_dict()))
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if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
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continue
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self.conn()
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return False
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def deleteByQuery(self, query, idxnm=""):
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for i in range(3):
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try:
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r = self.es.delete_by_query(
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index=idxnm if idxnm else self.idxnm,
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refresh = True,
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body=Search().query(query).to_dict())
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return True
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except Exception as e:
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es_logger.error("ES updateByQuery deleteByQuery: " +
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str(e) + "【Q】：" + str(query.to_dict()))
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if str(e).find("NotFoundError") > 0: return True
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if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
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continue
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return False
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def update(self, id, script, routing=None):
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for i in range(3):
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try:
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if not self.version():
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r = self.es.update(
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index=self.idxnm,
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id=id,
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body=json.dumps(
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script,
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ensure_ascii=False),
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doc_type="doc",
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routing=routing,
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refresh=False)
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else:
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r = self.es.update(index=self.idxnm, id=id, body=json.dumps(script, ensure_ascii=False),
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routing=routing, refresh=False) # , doc_type="_doc")
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return True
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except Exception as e:
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es_logger.error(
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"ES update exception: " + str(e) + " id：" + str(id) + ", version:" + str(self.version()) +
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json.dumps(script, ensure_ascii=False))
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if str(e).find("Timeout") > 0:
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continue
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return False
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def indexExist(self, idxnm):
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s = Index(idxnm if idxnm else self.idxnm, self.es)
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for i in range(3):
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try:
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return s.exists()
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except Exception as e:
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es_logger.error("ES updateByQuery indexExist: " + str(e))
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if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
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continue
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return False
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def docExist(self, docid, idxnm=None):
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for i in range(3):
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try:
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return self.es.exists(index=(idxnm if idxnm else self.idxnm),
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id=docid)
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except Exception as e:
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es_logger.error("ES Doc Exist: " + str(e))
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if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
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continue
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return False
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def createIdx(self, idxnm, mapping):
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try:
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if elasticsearch.__version__[0] < 8:
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return self.es.indices.create(idxnm, body=mapping)
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from elasticsearch.client import IndicesClient
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return IndicesClient(self.es).create(index=idxnm,
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settings=mapping["settings"],
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mappings=mapping["mappings"])
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except Exception as e:
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es_logger.error("ES create index error %s ----%s" % (idxnm, str(e)))
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def deleteIdx(self, idxnm):
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try:
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return self.es.indices.delete(idxnm, allow_no_indices=True)
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except Exception as e:
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es_logger.error("ES delete index error %s ----%s" % (idxnm, str(e)))
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def getTotal(self, res):
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if isinstance(res["hits"]["total"], type({})):
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return res["hits"]["total"]["value"]
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return res["hits"]["total"]
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def getDocIds(self, res):
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return [d["_id"] for d in res["hits"]["hits"]]
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def getSource(self, res):
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rr = []
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for d in res["hits"]["hits"]:
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d["_source"]["id"] = d["_id"]
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d["_source"]["_score"] = d["_score"]
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rr.append(d["_source"])
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return rr
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def scrollIter(self, pagesize=100, scroll_time='2m', q={
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"query": {"match_all": {}}, "sort": [{"updated_at": {"order": "desc"}}]}):
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for _ in range(100):
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try:
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page = self.es.search(
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index=self.idxnm,
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scroll=scroll_time,
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size=pagesize,
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body=q,
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_source=None
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)
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break
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except Exception as e:
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es_logger.error("ES scrolling fail. " + str(e))
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time.sleep(3)
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sid = page['_scroll_id']
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scroll_size = page['hits']['total']["value"]
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es_logger.info("[TOTAL]%d" % scroll_size)
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# Start scrolling
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while scroll_size > 0:
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yield page["hits"]["hits"]
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for _ in range(100):
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try:
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page = self.es.scroll(scroll_id=sid, scroll=scroll_time)
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break
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except Exception as e:
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es_logger.error("ES scrolling fail. " + str(e))
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time.sleep(3)
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# Update the scroll ID
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sid = page['_scroll_id']
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# Get the number of results that we returned in the last scroll
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scroll_size = len(page['hits']['hits'])
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ELASTICSEARCH = ESConnection()
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