scylladb/test/nodetool/suite.yaml at copilot/fix-task-api-docs-and-node-ops - scylladb - Anomalous Gitea

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Kefu Chai b1431f08f7 test/nodetool: run nodetool tests using "unshare"

before this change, we use a random address when launching
rest_api_mock server, but there are chances that the randomly
picked address conflicts with an already-used address on the
host. and the subprocess fails right away with the returncode of
1 upon this failure, but we just continue on and check the readiness
of the already-dead server. actually, we've seen test failures
caused by the EADDRINUSE failure, and when we checked the readiness
of the rest_api_mock by sending HTTP request and reading the
response, what we had is not a JSON encoded response but a webpage,
which was likely the one returned by a minio server.

in this change, we

* specify the "launcher" option of nodetool
  test suite to "unshare", so that all its tests are launched
  in separated namespaces.
* use a random fixed address for the mock server, as the network
  namespaces are not shared anymore
* add an option in `nodetool/conftest.py`, so that it can optionally
  setup the lo network interface when it is launched in a separated
  new network namespace.

Fixes #16542
Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>

2024-01-25 20:28:36 +08:00

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	`type: Tool`
	`coverage: false`
	`launcher: unshare -rn pytest --run-within-unshare`