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import itertools
import string
import json
from datetime import datetime
from elasticsearch import Elasticsearch
import elasticsearch
import elasticsearch.helpers
from elasticsearch.client import IndicesClient
import sys, os
from index_ops import createIndex, deleteIndex, copyIndex
from config_properties import getGlobalVar
from file_utils import readFileToJson
def updateFieldNames(client, queryFrom, fromIndex, destIndex, addUTC):
typesDir="types"
typeFields = {}
for filename in os.listdir(typesDir):
print filename
fieldNames=readFileToJson(typesDir+os.sep+filename)
type=filename.split(".")[0]
typeFields[type] = fieldNames
client.indices.refresh(index=fromIndex)
res = elasticsearch.helpers.scan(client, query=queryFrom, index=fromIndex)
actions = []
for i in res:
res_type = i['_type']
fieldNames = typeFields.get(res_type)
if (fieldNames != None):
action={}
for field in i['_source']:
updatedName=fieldNames.get(field)
if (updatedName != None):
if (field == 'timestamp' and addUTC == True):
value+=" UTC"
value=i['_source'].get(field)
action[updatedName]=value
else:
action[field]=i['_source'].get(field)
i['_source']=action
i['_index']=destIndex
i.pop('_id', None)
actions.append(i)
bulk_res = elasticsearch.helpers.bulk(client, actions)
print "bulk response: ", bulk_res
def updateAllrecordsWithUTC(client, queryFrom, fromIndex, destIndex):
#scan indices
client.indices.refresh(index=fromIndex)
res = elasticsearch.helpers.scan(client, query=queryFrom, index=fromIndex)
actions = []
for i in res:
print i
i['_index']=destIndex
i['_source']['TIMESTAMP']+=" UTC"
actions.append(i)
bulk_res = elasticsearch.helpers.bulk(client, actions)
print "bulk response: ", bulk_res
def printQueryResults(client, myQuery, indexName):
client.indices.refresh(index=indexName)
res = elasticsearch.helpers.scan(client, query=myQuery, index=indexName)
for i in res:
print i
def main():
print "start script for changing fields"
print "================================="
# initialize es
es = Elasticsearch([getGlobalVar('host')])
try:
mapping=readFileToJson(getGlobalVar('mappingFileName'))
res = createIndex(es, getGlobalVar('tempIndexName'), mapping)
if (res != 0):
print "script results in error"
sys.exit(1)
print "scan audit index and manipulate data"
print "===================================="
print "start time: ", datetime.now().time()
updateFieldNames(es, getGlobalVar('matchAllQuery'), getGlobalVar('origIndexName'), getGlobalVar('tempIndexName'), getGlobalVar('addUTC'))
print "re-create original index"
print "========================="
res = createIndex(es, getGlobalVar('origIndexName'), mapping)
if (res != 0):
print "script results in error"
sys.exit(1)
print "copy data from temp index to original"
print "======================================="
res = copyIndex(es, getGlobalVar('tempIndexName'), getGlobalVar('origIndexName'))
if (res != 0):
print "script results in error"
sys.exit(1)
print "delete temp index"
print "=================="
res = deleteIndex(es, getGlobalVar('tempIndexName'))
if (res != 0):
print "script results in error"
sys.exit(1)
print "end time: ", datetime.now().time()
except Exception, error:
print "An exception was thrown!"
print str(error)
return 2
if __name__ == "__main__":
main()
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