def duplicate_index(server, src_index, src_type, dst_index, dst_type, mapping=None):
src_data_loader_utils = DataLoaderUtils(server, src_index, src_type)
dest_data_loader_utils = DataLoaderUtils(server, dst_index, dst_type)
if mapping is None:
# Get mapping from src index
mapping = src_data_loader_utils.get_mapping_from_server()
if not dest_data_loader_utils.index_exists():
print 'Creating index'
dest_data_loader_utils.put_mapping(mapping)
else:
print dst_index, 'exists'
data = {
"source": {
"index": src_index
},
"dest": {
"index": dst_index
}
}
url = server + '/_reindex?wait_for_completion=false'
print url
print data
response = requests.post(url, json=data)
print response
print json.loads(response.text)
class CopyDocs(object):
def __init__(self, src_server, dest_server, src_index, src_type, dst_index,
dst_type):
self.src_data_loader_utils = DataLoaderUtils(src_server, src_index,
src_type)
self.dest_data_loader_utils = DataLoaderUtils(dest_server, dst_index,
dst_type)
self.processed_doc_count = 0
self.total_doc_count = 0
self.data_utils = DataUtils()
def get_total_doc_count(self):
return self.data_utils.get_total_doc_count(
base_url=self.src_data_loader_utils.server,
index=self.src_data_loader_utils.index,
type=self.src_data_loader_utils.type)
def docs_fetched(self, docs, index, type):
docs_to_copy = {}
# print 'Docs fetched', len(docs)
for doc in docs:
_id = doc['_id']
if '_source' in doc:
existing_doc = doc['_source']
docs_to_copy[_id] = existing_doc
self.index_docs(docs_to_copy)
self.processed_doc_count += len(docs)
progress = ((self.processed_doc_count / float(self.total_doc_count)) *
100)
print '---------------------------------------------------------------------------------------------'
print 'Progress', self.processed_doc_count, '/', self.total_doc_count, progress, '%'
print '---------------------------------------------------------------------------------------------'
def export_doc_ids(self, server, src_index, src_type):
print 'Fetching doc ids for', src_index, src_type
query = {"match_all": {}}
self.data_utils.batch_fetch_ids_for_query(base_url=server,
index=src_index,
type=src_type,
query=query,
ids_fetched=self.ids_fetched)
# print 'Done, fetched', len(documents_ids), 'doc ids'
def ids_fetched(self, ids, index, type):
self.copy_docs_batch(ids)
def create_destination_index(self, mapping=None):
if mapping is None:
# Get mapping from src index
mapping = self.src_data_loader_utils.get_mapping_from_server()
if not self.dest_data_loader_utils.index_exists():
print 'Creating index'
self.dest_data_loader_utils.put_mapping(mapping)
# migrate_index(self.dest_data_loader_utils.index)
else:
print self.dest_data_loader_utils.index, 'exists'
def copy_docs(self):
self.processed_doc_count = 0
self.total_doc_count = self.get_total_doc_count()
print 'Total doc count', self.total_doc_count
self.create_destination_index(mapping=None)
self.export_doc_ids(server=self.src_data_loader_utils.server,
src_index=self.src_data_loader_utils.index,
src_type=self.src_data_loader_utils.type)
def copy_docs_for_ids(self, doc_ids, mapping=None):
self.processed_doc_count = 0
self.total_doc_count = len(doc_ids)
print 'Total doc count', self.total_doc_count
self.create_destination_index(mapping)
print 'Fetching docs from source index'
batch_doc_processor = BatchDocProcessor(doc_ids, self.copy_docs_batch,
3000, 16, 0.33)
batch_doc_processor.run()
def copy_docs_batch(self, doc_ids):
self.data_utils.batch_fetch_docs_for_ids(
base_url=self.src_data_loader_utils.server,
ids=doc_ids,
index=self.src_data_loader_utils.index,
type=self.src_data_loader_utils.type,
docs_fetched=self.docs_fetched)
def index_docs(self, docs_to_copy):
bulk_data = ''
count = 0
for es_id in docs_to_copy:
count += 1
doc = docs_to_copy[es_id]
bulk_data += self.dest_data_loader_utils.bulk_index_header(es_id)
bulk_data += '\n'
bulk_data += json.dumps(doc)
bulk_data += '\n'
# if count % 1000 == 0:
# print 'Processed', 1000, 'docs'
if len(bulk_data) >= 150000:
self.load_bulk_data(bulk_data)
# print 'Copied', count, 'docs'
bulk_data = ''
if len(bulk_data) > 0:
self.load_bulk_data(bulk_data)
# print 'Copied', count, 'docs'
def load_bulk_data(self, bulk_data):
# print 'Bulk data size', len(bulk_data), 'loading...'
response = self.dest_data_loader_utils.load_bulk_data(bulk_data)
if response:
pass
# print 'Done loading bulk data, saving response'
else:
print 'Bulk data load failed'
# src_server = 'http://localhost:9200'
# src_index = 'irdb_v3'
# src_type = 'grant'
# dest_server = 'http://localhost:9200'
# dest_index = 'irdb_v4'
# dest_type = 'grant'
# copy_docs = CopyDocs(src_server=src_server,
# dest_server=dest_server,
# src_index=src_index,
# src_type=src_type,
# dst_index=dest_index,
# dst_type=dest_type)
# copy_docs.copy_docs()
# copy_relations.relations_to_exclude.append({
# "source": "",
# "index_id": ID_PUBMED
# })
# copy_relations.run()