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| import requests
import json
import sys
from pyflink.table import (EnvironmentSettings, TableEnvironment, DataTypes)
from pyflink.table.expressions import col
import logging
logFile = "/tmp/1.log"
logging.basicConfig(level=logging.INFO, filename=logFile,
format='%(asctime)s - %(levelname)s - %(message)s')
Logger = logging.getLogger(__name__)
esHttp = "http"
esIp = ""
esPort = 9200
esHost = "{}://{}:{}".format(esHttp, esIp, esPort)
esUser = "your_username"
esPass = "your_password"
es_index = ""
ouputIndex = ""
size = 1000
es7JarPath = "file:///.../flink-sql-connector-elasticsearch7-1.16.1.jar"
def getIndexDataCount(esHost, es_index):
countUrl = "{}/{}/_count".format(esHost, es_index)
Logger.debug("get countUrl: {}".format(countUrl))
try:
r = requests.get(countUrl, auth=(esUser, esPass))
count = r.json()["count"]
except:
Logger.error("get count err. resp is {}.".format(r.text))
sys.exit(1)
else:
Logger.info("get count is {}.".format(count))
return count
def getData(esHost, es_index, esUser, esPass, fromInt, size):
searchUrl = "{}/{}/_search?from={}&size={}".format(
esHost, es_index, fromInt, size)
Logger.debug("get searchUrl: {}".format(searchUrl))
try:
r = requests.get(searchUrl, auth=(esUser, esPass))
datas = r.json()["hits"]["hits"]
except:
Logger.error("get datas err. resp is {}.".format(r.text))
sys.exit(1)
else:
dataList = []
for data in datas:
log = {}
try:
id = data["_id"]
log["log_tags"] = data["_source"]["tags"][0]
log["log_source"] = data["_source"]["source"]
log["log_topics"] = data["_source"]["topics"]
message = data["_source"]["message"]
messageList = message.split(" ", 7)
log["log_date"] = messageList[0]
log["log_time"] = messageList[1]
log["log_pid"] = messageList[2]
log["log_level"] = messageList[3]
log["log_class"] = messageList[5]
logStrList = messageList[7].split("-", 1)
log["log_tid"] = logStrList[0]
log["log_message"] = logStrList[1]
except Exception as e:
Logger.error("format data err because : {}".format(e))
Logger.error("data is .".format(data))
else:
dataList.append((id, str(json.dumps(log.copy()))))
return dataList
def getDataByScroll(esHost, es_index, esUser, esPass, scroll_id):
if scroll_id == "":
searchUrl = "{}/{}/_search?scroll=1m".format(esHost, es_index)
body = {
"size": 1000,
"query": {
"match_all": {
}
}
}
else:
searchUrl = "{}/_search/scroll".format(esHost)
body = {
"scroll": "1m",
"scroll_id": scroll_id
}
head = {"Content-Type": "application/json"}
try:
r = requests.post(searchUrl, auth=(esUser, esPass),
headers=head, data=json.dumps(body))
datas = r.json()["hits"]["hits"]
except:
Logger.error("get datas err. resp is {}.".format(r.text))
Logger.error("url is {}.".format(searchUrl))
Logger.error("data is {}.".format(json.dumps(body)))
sys.exit(1)
else:
scrollId = r.json()["_scroll_id"]
dataList = []
for data in datas:
log = {}
try:
id = data["_id"]
log["log_tags"] = data["_source"]["tags"][0]
log["log_source"] = data["_source"]["source"]
log["log_topics"] = data["_source"]["topics"]
message = data["_source"]["message"]
messageList = message.split(" ", 7)
log["log_date"] = messageList[0]
log["log_time"] = messageList[1]
log["log_pid"] = messageList[2]
log["log_level"] = messageList[3]
log["log_class"] = messageList[5]
logStrList = messageList[7].split("-", 1)
log["log_tid"] = logStrList[0]
log["log_message"] = logStrList[1]
except Exception as e:
Logger.error("format data err because : {}".format(e))
Logger.error("data is .".format(data))
else:
dataList.append((id, str(json.dumps(log.copy()))))
return scrollId, dataList
def saveDataToEs7ByPyflink(es7JarPath, dataList, esHost, index, esUser, esPass):
t_env = TableEnvironment.create(EnvironmentSettings.in_streaming_mode())
t_env.get_config().set("parallelism.default", "1")
t_env.get_config().set("pipeline.jars", es7JarPath)
tab = t_env.from_elements(elements=dataList, schema=['id', 'data'])
t_env.execute_sql(
"""
CREATE TABLE sink (
id STRING,
log_tags STRING,
log_source STRING,
log_topics STRING,
log_date STRING,
log_time STRING,
log_pid STRING,
log_level STRING,
log_class STRING,
log_tid STRING,
log_message STRING
) WITH (
'connector' = 'elasticsearch-7',
'hosts' = '{}',
'index' = '{}',
'username' = '{}',
'password' = '{}'
);""".format(esHost, index, esUser, esPass)
)
table = tab.select(
col('id'),
col('data').json_value('$.log_tags', DataTypes.STRING()),
col('data').json_value('$.log_source', DataTypes.STRING()),
col('data').json_value('$.log_topics', DataTypes.STRING()),
col('data').json_value('$.log_date', DataTypes.STRING()),
col('data').json_value('$.log_time', DataTypes.STRING()),
col('data').json_value('$.log_pid', DataTypes.STRING()),
col('data').json_value('$.log_level', DataTypes.STRING()),
col('data').json_value('$.log_class', DataTypes.STRING()),
col('data').json_value('$.log_tid', DataTypes.STRING()),
col('data').json_value('$.log_message', DataTypes.STRING())
)
table.execute_insert('sink').wait()
count = getIndexDataCount(esHost, es_index)
searchTime = count//size
i = 0
scrollId = ""
while True:
fromInt = i*size
scrollId, dataList = getDataByScroll(
esHost, es_index, esUser, esPass, scrollId)
if len(dataList) == 0:
break
try:
saveDataToEs7ByPyflink(es7JarPath, dataList,
esHost, ouputIndex, esUser, esPass)
except Exception as e:
Logger.error("save data from {} to {} in {} err.".format(
fromInt, fromInt+size, ouputIndex))
Logger.error("because {}.".format(e))
else:
Logger.info("save data from {} to {} in {} done.".format(
fromInt, fromInt+size, ouputIndex))
i = i+1
Logger.info("save {} line data.exiting...".format(count))
|
