e6dc9bca0d
This change is motivated by wanting to have code coverage reporting support.
Currently the only way to get a profile dump in ScyllaDB is stopping it with SIGTERM, however, this doesn't
suite all cases, more specifically:
1. In dtest, when some of the tests intentionally abruptly kill a node
2. In test.py, where we would like to distinguish (at least for now), graceful shutdown of ScyllaDB testing and
teardown procedures (which currently kills the nodes).
This mini series adds two changes:
1. It adds the support for profile dumping in ScyllaDB with rest api ('/system/dump_profile')
2. It adds the support for this API in test.py and also adds a call for it as part of the node stop procedure in a permissive way that will not fail the teardown or test if the call doesn't succeed for whatever reason - after this change, all current
test.py suits except for pylib_test (expected) dumps profiles if instrumented and will be able to participate in coverage
reporting.
Refs #16323
Closes scylladb/scylladb#16557
* github.com:scylladb/scylladb:
test.py: Dump coverage profile before killing a node
rest api: Add an api for profile dumping
Scylla in-source tests.
For details on how to run the tests, see docs/dev/testing.md
Shared C++ utils, libraries are in lib/, for Python - pylib/
alternator - Python tests which connect to a single server and use the DynamoDB API unit, boost, raft - unit tests in C++ cql-pytest - Python tests which connect to a single server and use CQL topology* - tests that set up clusters and add/remove nodes cql - approval tests that use CQL and pre-recorded output rest_api - tests for Scylla REST API Port 9000 scylla-gdb - tests for scylla-gdb.py helper script nodetool - tests for C++ implementation of nodetool
If you can use an existing folder, consider adding your test to it. New folders should be used for new large categories/subsystems, or when the test environment is significantly different from some existing suite, e.g. you plan to start scylladb with different configuration, and you intend to add many tests and would like them to reuse an existing Scylla cluster (clusters can be reused for tests within the same folder).
To add a new folder, create a new directory, and then
copy & edit its suite.ini.