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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, CatClient
import sys, os, getopt
from file_utils import readFileToJson
from config_properties import getGlobalVar
def createIndex(client, indexName, createBody):
try:
print "start createIndex"
if (client == None):
client = Elasticsearch(['localhost'])
esIndexClient = IndicesClient(client)
res = deleteIndex(client, indexName)
if (res != 0):
print "operation failed"
return 2
create_res=elasticsearch.client.IndicesClient.create(esIndexClient, index=indexName, body=createBody)
print "create index response: ", create_res
if (create_res['acknowledged'] != True):
print "failed to create index"
return 1
else:
print "index ",indexName, " created successfully"
return 0
except Exception, error:
print "An exception was thrown!"
print str(error)
return 2
def deleteIndex(client, indexName):
try:
print "start deleteIndex"
if (client == None):
client = Elasticsearch(['localhost'])
esIndexClient = IndicesClient(client)
isExists=elasticsearch.client.IndicesClient.exists(esIndexClient, indexName)
if ( isExists == True ):
delete_res=elasticsearch.client.IndicesClient.delete(esIndexClient, index=indexName)
if (delete_res['acknowledged'] != True):
print "failed to delete index"
return 1
else:
print "index ",indexName, " deleted"
return 0
else:
print "index not found - assume already deleted"
return 0
except Exception, error:
print "An exception was thrown!"
print str(error)
return 2
def copyIndex(client, fromIndex, toIndex):
try:
print "start copyIndex"
if (client == None):
client = Elasticsearch(['localhost'])
client.indices.refresh(index=fromIndex)
count=client.search(fromIndex, search_type='count')
print "original index count: ",count
docNum, docErrors = elasticsearch.helpers.reindex(client, fromIndex, toIndex)
print "copy result: ", docNum, docErrors
if (docNum != count['hits']['total']):
print "Failed to copy all documents. expected: ", count['hits']['total'], " actual: ", docNum
return 1
# if (len(docErrors) != 0):
# print "copy returned with errors"
# print docErrors
# return 1
return 0
except Exception, error:
print "An exception was thrown!"
print str(error)
return 2
def usage():
print 'USAGE: ', sys.argv[0], '-o <operation : create | delete | move> -n <indexName> -a <address> -f <mappingFile (for create)> -t <toIndex (for move operation)>'
def main(argv):
print "start script with ", len(sys.argv), 'arguments.'
print "=============================================="
try:
opts, args = getopt.getopt(argv, "h:o:a:n:f:t:", ["operation","address","indexName","file","toIndex"])
except getopt.GetoptError:
usage()
sys.exit(2)
host = None
for opt, arg in opts:
print opt, arg
if opt == '-h':
usage()
sys.exit(2)
elif opt in ('-f', '--file'):
mapping=readFileToJson(arg)
elif opt in ('-a', '--address'):
host=arg
elif opt in ('-o', '--operation'):
operation=arg
elif opt in ('-n', '--indexName'):
indexName=arg
elif opt in ('-t', '--toIndex'):
destIndexName=arg
if (operation == None):
usage()
sys.exit(2)
elif (host == None):
print "address is mandatory argument"
usage()
sys.exit(2)
elif operation == 'create':
print "create new index ", indexName
client = Elasticsearch([{'host': host, 'timeout':5}] )
res = createIndex(client, indexName, mapping)
elif operation == 'delete':
print "delete index ", indexName
client = Elasticsearch([{'host': host, 'timeout':5}] )
res = deleteIndex(client, indexName)
elif operation == 'move':
print "move index ", indexName, " to ", destIndexName
client = Elasticsearch([{'host': host, 'timeout':5}] )
res = copyIndex(client, indexName, destIndexName)
else:
usage()
exit(2)
if res != 0:
print "ERROR: operation Failed"
exit(1)
if __name__ == "__main__":
main(sys.argv[1:])
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