Backup Data and Mapping from one Elastic Search server to another

elasticsearch_backup.py

import json 
from elasticsearch import Elasticsearch
from elasticsearch import helpers
from elasticsearch.client import IndicesClient

source = '192.131.117.237:9200/' # example 
dest = '192.226.457.547:9200/' # another example 
es_source = Elasticsearch([source])
es_dest = Elasticsearch([dest])

_indices=es_source.indices.get_aliases().keys()
print _indices

for _ind in _indices: 
	_mapping = es_source.indices.get_mapping(index=_ind)
	print _ind 
	mapping = {'mappings':_mapping[_ind]["mappings"]}

	if es_dest.indices.exists(index=_ind): 
		print 'already exists'
		es_dest.indices.delete(index=_ind)
	es_dest.indices.create(index=_ind, body=mapping)
	print 'mapping created'
	print ''
	
	for doc_type in mapping['mappings'].keys(): 
		for each in helpers.scan(es_source, query={"query": {"match_all": {}}}, index=_ind, doc_type=doc_type): 
			res = es_dest.index(index=_ind, doc_type=doc_type, body=each['_source'])
			print res[u'created'], _ind, doc_type, each['_id']