from corehq.apps.change_feed.consumer.feed import KafkaChangeFeed, KafkaCheckpointEventHandler
from corehq.apps.change_feed import topics
from corehq.apps.groups.models import Group
from corehq.util.doc_processor.couch import CouchDocumentProvider
from corehq.apps.es.groups import group_adapter
from pillowtop.checkpoints.manager import get_checkpoint_for_elasticsearch_pillow
from pillowtop.pillow.interface import ConstructedPillow
from pillowtop.processors import ElasticProcessor
from pillowtop.reindexer.reindexer import ResumableBulkElasticPillowReindexer, ReindexerFactory
[docs]def get_group_to_elasticsearch_processor():
"""Inserts group changes into ES
Reads from:
- Kafka topics: group
- Group data source (CouchDB)
Writes to:
- GroupES index
"""
return ElasticProcessor(group_adapter)
[docs]def get_group_pillow_old(pillow_id='GroupPillow', num_processes=1, process_num=0, **kwargs):
"""Group pillow (old). Sends Group data to Elasticsearch
Processors:
- :py:class:`corehq.pillows.group.get_group_to_elasticsearch_processor`
"""
# todo; To remove after full rollout of https://github.com/dimagi/commcare-hq/pull/21329/
assert pillow_id == 'GroupPillow', 'Pillow ID is not allowed to change'
checkpoint = get_checkpoint_for_elasticsearch_pillow(pillow_id, group_adapter.index_name, [topics.GROUP])
processor = get_group_to_elasticsearch_processor()
change_feed = KafkaChangeFeed(
topics=[topics.GROUP], client_id='groups-to-es', num_processes=num_processes, process_num=process_num
)
return ConstructedPillow(
name=pillow_id,
checkpoint=checkpoint,
change_feed=change_feed,
processor=processor,
change_processed_event_handler=KafkaCheckpointEventHandler(
checkpoint=checkpoint, checkpoint_frequency=10, change_feed=change_feed
),
)
class GroupReindexerFactory(ReindexerFactory):
slug = 'group'
arg_contributors = [
ReindexerFactory.resumable_reindexer_args,
ReindexerFactory.elastic_reindexer_args
]
def build(self):
iteration_key = "GroupToElasticsearchPillow_{}_reindexer".format(group_adapter.index_name)
doc_provider = CouchDocumentProvider(iteration_key, [Group])
options = {
'chunk_size': 5
}
options.update(self.options)
return ResumableBulkElasticPillowReindexer(
doc_provider,
group_adapter,
pillow=get_group_pillow_old(),
**options
)