elasticapm/instrumentation/packages/cassandra.py (55 lines of code) (raw):

# BSD 3-Clause License # # Copyright (c) 2019, Elasticsearch BV # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # * Neither the name of the copyright holder nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. from typing import Optional from elasticapm.instrumentation.packages.base import AbstractInstrumentedModule from elasticapm.instrumentation.packages.dbapi2 import extract_signature from elasticapm.traces import capture_span class CassandraInstrumentation(AbstractInstrumentedModule): name = "cassandra" instrument_list = [("cassandra.cluster", "Session.execute"), ("cassandra.cluster", "Cluster.connect")] def call(self, module, method, wrapped, instance, args, kwargs): name = self.get_wrapped_name(wrapped, instance, method) context = {} if method == "Cluster.connect": span_action = "connect" if hasattr(instance, "contact_points_resolved"): # < cassandra-driver 3.18 host = instance.contact_points_resolved[0] port = instance.port else: host = instance.endpoints_resolved[0].address port = instance.endpoints_resolved[0].port keyspace: Optional[str] = args[0] if args else kwargs.get("keyspace") if keyspace: context["db"] = {"instance": keyspace} else: hosts = list(instance.hosts) if hasattr(hosts[0], "endpoint"): host = hosts[0].endpoint.address port = hosts[0].endpoint.port else: # < cassandra-driver 3.18 host = hosts[0].address port = instance.cluster.port db_context = {} if instance.keyspace: db_context["instance"] = instance.keyspace span_action = "query" query = args[0] if args else kwargs.get("query") if hasattr(query, "query_string"): query_str = query.query_string elif hasattr(query, "prepared_statement") and hasattr(query.prepared_statement, "query"): query_str = query.prepared_statement.query elif isinstance(query, str): query_str = query else: query_str = None if query_str: name = extract_signature(query_str) db_context.update({"type": "sql", "statement": query_str}) if db_context: context["db"] = db_context context["destination"] = { "address": host, "port": port, } with capture_span( name, span_type="db", span_subtype="cassandra", span_action=span_action, extra=context, leaf=True ): return wrapped(*args, **kwargs)