lix-project/buildbot-nix
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feat: add incoming ref data to non-flakes entrypoint

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We can now implement a Nix library for Buildbot CI. :)

Signed-off-by: Raito Bezarius <raito@lix.systems>
This commit is contained in:
raito 2024-10-05 21:19:17 +02:00
parent b3a0b5a69e
commit 0d4e97690d
1 changed files with 22 additions and 4 deletions
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26
buildbot_nix/__init__.py
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@ -453,13 +453,21 @@ class NixEvalCommand(buildstep.ShellMixin, steps.BuildStep):
return result
def make_job_evaluator(name: str, settings: EvaluatorSettings, flake: bool) -> NixEvalCommand:
def make_job_evaluator(name: str, settings: EvaluatorSettings, flake: bool, incoming_ref_data: dict[str, Any]) -> NixEvalCommand:
actual_command = []
try:
eval_parameter_json_repr = json.dumps(incoming_ref_data)
except ValueError as e:
msg = f"Failed to serialize incoming ref data for {name}"
raise BuildbotNixError(msg) from e
if flake:
actual_command += ["--flake", f".#{FLAKE_TARGET_ATTRIBUTE_FOR_JOBS}"]
else:
actual_command += ["--expr", "import ./.ci/buildbot.nix"]
# TODO: escape for Nix the JSON…
actual_command += ["--expr",
f"import ./.ci/buildbot.nix {{ incoming_ref_data = ''{eval_parameter_json_repr}''; }}"]
return NixEvalCommand(
env={},
@ -504,6 +512,14 @@ class NixConfigure(buildstep.CommandMixin, steps.BuildStep):
except Exception:
configure_log: Log = yield self.addLog("stdio")
# This information can be passed at job evaluation time
# to skip some jobs, e.g. expensive jobs, etc.
incoming_ref_data = {
# TODO: please just denormalize it properly.
'event': {
key: value for key, (value, _) in self.asDict() if key.startswith('event.')
}
}
# Takes precedence.
configure_log.addStdout("checking if there's a .ci/buildbot.nix...\n")
ci_buildbot_defn_exists = yield self.pathExists('build/.ci/buildbot.nix')
@ -514,7 +530,8 @@ class NixConfigure(buildstep.CommandMixin, steps.BuildStep):
make_job_evaluator(
"evaluate `.ci/buildbot.nix` jobs",
self.evaluator_settings,
False
False,
incoming_ref_data
)
]
)
@ -527,7 +544,8 @@ class NixConfigure(buildstep.CommandMixin, steps.BuildStep):
make_job_evaluator(
"evaluate `flake.nix` jobs",
self.evaluator_settings,
True
True,
incoming_ref_data
)
]
)