def elasticsearch_fail():
es = Elasticsearch([{
'host': 'example.com',
'port': 9999
}],
timeout=0.1)
es.info()
def run_query(index_name,
q,
debug_host=None,
es_instance_alias=ES_DEFAULT_INSTANCE):
# the debug_host parameter allows you to query another env for testing purposes
if debug_host:
if not settings.DEBUG:
raise Exception("You can only specify an ES env in DEBUG mode")
es_host = settings.ELASTICSEARCH_DEBUG_HOSTS[debug_host]
es_instance = Elasticsearch([{
'host': es_host,
'port': settings.ELASTICSEARCH_PORT
}],
timeout=3,
max_retries=0)
else:
es_instance = get_es_instance(es_instance_alias)
es_interface = ElasticsearchInterface(es_instance)
es_meta = ES_META[index_name]
try:
results = es_interface.search(es_meta.alias, es_meta.type, body=q)
report_and_fail_on_shard_failures(results)
return results
except ElasticsearchException as e:
raise ESError(e)
def get_es_new():
"""
Get a handle to the configured elastic search DB.
Returns an elasticsearch.Elasticsearch instance.
"""
hosts = _es_hosts()
return Elasticsearch(hosts, timeout=30, serializer=ESJSONSerializer())
def _bad_es_getter():
from corehq.util.es.elasticsearch import Elasticsearch
return Elasticsearch(
[{
'host': settings.ELASTICSEARCH_HOST,
'port': settings.ELASTICSEARCH_PORT - 2, # bad port
}],
timeout=0.1,
)
def _client(**override_kw):
"""Configure an elasticsearch.Elasticsearch instance."""
hosts = _elastic_hosts()
client_kw = {
"timeout": settings.ES_SEARCH_TIMEOUT,
"serializer": ElasticJSONSerializer(),
}
client_kw.update(override_kw)
return Elasticsearch(hosts, **client_kw)
def get_es_new():
"""
Get a handle to the configured elastic search DB.
Returns an elasticsearch.Elasticsearch instance.
"""
hosts = _es_hosts()
es = Elasticsearch(hosts,
timeout=settings.ES_SEARCH_TIMEOUT,
serializer=ESJSONSerializer())
return es
def get_es_export():
"""
Get a handle to the configured elastic search DB with settings geared towards exports.
Returns an elasticsearch.Elasticsearch instance.
"""
hosts = _es_hosts()
return Elasticsearch(
hosts,
retry_on_timeout=True,
max_retries=3,
# Timeout in seconds for an elasticsearch query
timeout=300,
serializer=ESJSONSerializer(),
)