def main():
mappings = db_mappings.get_mappings()
parse_config(mapping_choices=mappings.keys())
config.setup_logging()
if not CONF.db:
CONF.print_help()
sys.exit(0)
try:
elk = ElasticSearchManager(mappings=mappings)
if CONF.db.options.lower() == 'sync':
elk.db_sync()
elif CONF.db.options.lower() == 'update':
elk.update_mappings()
elif CONF.db.options.lower() == 'remove':
elk.remove_mappings()
elif CONF.db.options.lower() == 'show':
elk.show_mappings()
elif CONF.db.options.lower() == 'update-settings':
elk.update_settings()
else:
raise Exception('Option {0} not found !'.format(CONF.db.options))
except Exception as e:
LOG.error(e)
print(e)
def main():
mappings = db_mappings.get_mappings()
args = get_args(mapping_choices=mappings.keys())
elasticsearch_url, elasticsearch_index, elasticsearch_replicas = \
get_db_params(args)
number_of_replicas = int(args.replicas or
elasticsearch_replicas or
DEFAULT_REPLICAS)
es_manager = ElastichsearchEngine(es_url=elasticsearch_url,
es_index=elasticsearch_index,
args=args)
if args.verbose:
print(" db url: {0}".format(elasticsearch_url))
print("db index: {0}".format(elasticsearch_index))
if args.select_mapping:
mappings = {args.select_mapping: mappings[args.select_mapping]}
try:
es_manager.put_mappings(mappings)
es_manager.set_number_of_replicas(number_of_replicas)
except Exception as e:
print("ERROR {0}".format(e))
return os.EX_DATAERR
return es_manager.exit_code
def test_main_calls_esmanager_put_mappings_with_mappings(self, mock_get_args, mock_get_db_params,
mock_ElastichsearchEngine):
mock_get_db_params.return_value = Mock(), Mock()
mock_es_manager = Mock()
mock_ElastichsearchEngine.return_value = mock_es_manager
res = main()
self.assertEquals(res, os.EX_OK)
mappings = db_mappings.get_mappings()
mock_es_manager.put_mappings.assert_called_with(mappings)
def __init__(self, **options):
self.mappings = db_mappings.get_mappings().copy()
self.conf = options.copy()
self.index = self.conf['index']
self.elk = elasticsearch.Elasticsearch(**options)
# check if the cluster is up or not !
if not self.elk.ping():
raise Exception('ElasticSearch cluster is not available. '
'Cannot ping it')
# clear the index cache
try:
self.elk.indices.clear_cache(index=self.conf['index'])
except Exception as e:
LOG.warning(e)
class ElasticSearchDB(db_base.DBDriver):
_ES_OPTS = [
cfg.ListOpt('hosts',
default=['http://127.0.0.1:9200'],
help='specify the storage hosts'),
cfg.StrOpt('index',
default='freezer',
help='specify the name of the elasticsearch index'),
cfg.IntOpt('timeout',
default=60,
help='specify the connection timeout'),
cfg.IntOpt('retries',
default=20,
help='number of retries to allow before raising and error'),
cfg.BoolOpt('use_ssl',
default=False,
help='explicitly turn on SSL'),
cfg.BoolOpt('verify_certs',
default=False,
help='turn on SSL certs verification'),
cfg.StrOpt('ca_certs',
help='path to CA certs on disk'),
cfg.IntOpt('number_of_replicas',
default=0,
help='Number of replicas for elk cluster. Default is 0. '
'Use 0 for no replicas. This should be set to (number '
'of node in the ES cluter -1).'),
cfg.StrOpt('mapping',
dest='select_mapping',
default='',
help='Specific mapping to upload. Valid choices: {0}'
.format(','.join(db_mappings.get_mappings()))),
cfg.BoolOpt('erase',
dest='erase',
default=False,
help='Enable index deletion in case mapping update fails '
'due to incompatible changes'
),
cfg.StrOpt('test-only',
dest='test_only',
default=False,
help='Test the validity of the mappings, but take no action'
)
]
def __init__(self, backend):
super(ElasticSearchDB, self).__init__(backend)
grp = cfg.OptGroup(backend)
CONF.register_group(grp)
CONF.register_opts(self._ES_OPTS, group=backend)
# CONF.register_cli_opts(self._ES_CLI_OPTS)
self.conf = CONF.get(backend)
self.index = self.conf.index or DEFAULT_INDEX
self._engine = None
self._manage_engine = None
def get_engine(self):
if not self._engine:
if CONF.enable_v1_api:
self._engine = db_session_v1.\
ElasticSearchEngine(self.backend)
else:
self._engine = db_session_v2.\
ElasticSearchEngineV2(self.backend)
return self._engine
def get_api(self):
return self.get_engine()
def get_manage_engine(self):
opts = dict(self.conf.items())
self._manage_engine = es_manager.ElasticSearchManager(**opts)
return self._manage_engine
def db_sync(self):
if not self._manage_engine:
self._manage_engine = self.get_manage_engine()
self._manage_engine.update_mappings()
def db_remove(self):
if not self._manage_engine:
self._manage_engine = self.get_manage_engine()
self._manage_engine.remove_mappings()
def db_show(self):
if not self._manage_engine:
self._manage_engine = self.get_manage_engine()
return self._manage_engine.show_mappings()
def name(self):
return "ElasticSearch"
