933 lines
31 KiB
Python
933 lines
31 KiB
Python
import json
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import multiprocessing
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import os
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import re
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import uuid
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from collections import defaultdict
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from collections.abc import Generator
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from dataclasses import dataclass
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from pathlib import Path
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from typing import TYPE_CHECKING, Any
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from buildbot.config.builder import BuilderConfig
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from buildbot.configurators import ConfiguratorBase
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from buildbot.interfaces import WorkerSetupError
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from buildbot.locks import MasterLock
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from buildbot.plugins import schedulers, steps, util, worker
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from buildbot.process import buildstep, logobserver, remotecommand
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from buildbot.process.project import Project
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from buildbot.process.properties import Properties
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from buildbot.process.results import ALL_RESULTS, statusToString
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from buildbot.secrets.providers.file import SecretInAFile
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from buildbot.steps.trigger import Trigger
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from buildbot.www.authz import Authz
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from buildbot.www.authz.endpointmatchers import EndpointMatcherBase, Match
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if TYPE_CHECKING:
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from buildbot.process.log import StreamLog
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from buildbot.www.auth import AuthBase
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from twisted.internet import defer
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from twisted.logger import Logger
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from .common import (
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slugify_project_name,
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)
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from .gitea_projects import GiteaBackend, GiteaConfig
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from .github_projects import (
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GithubBackend,
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GithubConfig,
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)
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from .projects import GitBackend, GitProject
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from .secrets import read_secret_file
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SKIPPED_BUILDER_NAME = "skipped-builds"
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log = Logger()
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class BuildbotNixError(Exception):
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pass
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class BuildTrigger(Trigger):
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"""Dynamic trigger that creates a build for every attribute."""
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project: GitProject
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def __init__(
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self,
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project: GitProject,
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builds_scheduler: str,
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skipped_builds_scheduler: str,
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jobs: list[dict[str, Any]],
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**kwargs: Any,
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) -> None:
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if "name" not in kwargs:
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kwargs["name"] = "trigger"
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self.project = project
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self.jobs = jobs
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self.config = None
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self.builds_scheduler = builds_scheduler
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self.skipped_builds_scheduler = skipped_builds_scheduler
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Trigger.__init__(
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self,
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waitForFinish=True,
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schedulerNames=[builds_scheduler, skipped_builds_scheduler],
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haltOnFailure=True,
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flunkOnFailure=True,
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sourceStamps=[],
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alwaysUseLatest=False,
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updateSourceStamp=False,
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**kwargs,
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)
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def createTriggerProperties(self, props: Any) -> Any: # noqa: N802
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return props
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def getSchedulersAndProperties(self) -> list[tuple[str, Properties]]: # noqa: N802
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build_props = self.build.getProperties()
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repo_name = self.project.name
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project_id = slugify_project_name(repo_name)
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source = f"nix-eval-{project_id}"
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triggered_schedulers = []
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for job in self.jobs:
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attr = job.get("attr", "eval-error")
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name = attr
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if repo_name is not None:
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name = f"github:{repo_name}#checks.{name}"
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else:
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name = f"checks.{name}"
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error = job.get("error")
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props = Properties()
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props.setProperty("virtual_builder_name", name, source)
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props.setProperty("status_name", f"nix-build .#checks.{attr}", source)
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props.setProperty("virtual_builder_tags", "", source)
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if error is not None:
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props.setProperty("error", error, source)
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triggered_schedulers.append((self.skipped_builds_scheduler, props))
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continue
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if job.get("isCached"):
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triggered_schedulers.append((self.skipped_builds_scheduler, props))
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continue
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drv_path = job.get("drvPath")
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system = job.get("system")
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out_path = job.get("outputs", {}).get("out")
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build_props.setProperty(f"{attr}-out_path", out_path, source)
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build_props.setProperty(f"{attr}-drv_path", drv_path, source)
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props.setProperty("attr", attr, source)
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props.setProperty("system", system, source)
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props.setProperty("drv_path", drv_path, source)
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props.setProperty("out_path", out_path, source)
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# we use this to identify builds when running a retry
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props.setProperty("build_uuid", str(uuid.uuid4()), source)
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triggered_schedulers.append((self.builds_scheduler, props))
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return triggered_schedulers
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def getCurrentSummary(self) -> dict[str, str]: # noqa: N802
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"""The original build trigger will the generic builder name `nix-build` in this case, which is not helpful"""
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if not self.triggeredNames:
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return {"step": "running"}
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summary = []
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if self._result_list:
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for status in ALL_RESULTS:
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count = self._result_list.count(status)
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if count:
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summary.append(
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f"{self._result_list.count(status)} {statusToString(status, count)}",
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)
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return {"step": f"({', '.join(summary)})"}
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class NixEvalCommand(buildstep.ShellMixin, steps.BuildStep):
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"""Parses the output of `nix-eval-jobs` and triggers a `nix-build` build for
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every attribute.
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"""
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project: GitProject
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def __init__(
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self, project: GitProject, supported_systems: list[str], **kwargs: Any
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) -> None:
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kwargs = self.setupShellMixin(kwargs)
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super().__init__(**kwargs)
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self.project = project
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self.observer = logobserver.BufferLogObserver()
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self.addLogObserver("stdio", self.observer)
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self.supported_systems = supported_systems
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@defer.inlineCallbacks
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def run(self) -> Generator[Any, object, Any]:
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# run nix-eval-jobs --flake .#checks to generate the dict of stages
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cmd: remotecommand.RemoteCommand = yield self.makeRemoteShellCommand()
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yield self.runCommand(cmd)
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# if the command passes extract the list of stages
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result = cmd.results()
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if result == util.SUCCESS:
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# create a ShellCommand for each stage and add them to the build
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jobs = []
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for line in self.observer.getStdout().split("\n"):
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if line != "":
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try:
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job = json.loads(line)
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except json.JSONDecodeError as e:
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msg = f"Failed to parse line: {line}"
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raise BuildbotNixError(msg) from e
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jobs.append(job)
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repo_name = self.project.name
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project_id = slugify_project_name(repo_name)
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filtered_jobs = []
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for job in jobs:
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system = job.get("system")
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if not system or system in self.supported_systems: # report eval errors
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filtered_jobs.append(job)
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self.build.addStepsAfterCurrentStep(
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[
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BuildTrigger(
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self.project,
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builds_scheduler=f"{project_id}-nix-build",
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skipped_builds_scheduler=f"{project_id}-nix-skipped-build",
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name="build flake",
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jobs=filtered_jobs,
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),
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],
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)
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return result
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# FIXME this leaks memory... but probably not enough that we care
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class RetryCounter:
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def __init__(self, retries: int) -> None:
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self.builds: dict[uuid.UUID, int] = defaultdict(lambda: retries)
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def retry_build(self, build_id: uuid.UUID) -> int:
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retries = self.builds[build_id]
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if retries > 1:
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self.builds[build_id] = retries - 1
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return retries
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return 0
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# For now we limit this to two. Often this allows us to make the error log
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# shorter because we won't see the logs for all previous succeeded builds
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RETRY_COUNTER = RetryCounter(retries=2)
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class EvalErrorStep(steps.BuildStep):
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"""Shows the error message of a failed evaluation."""
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@defer.inlineCallbacks
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def run(self) -> Generator[Any, object, Any]:
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error = self.getProperty("error")
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attr = self.getProperty("attr")
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# show eval error
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error_log: StreamLog = yield self.addLog("nix_error")
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error_log.addStderr(f"{attr} failed to evaluate:\n{error}")
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return util.FAILURE
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class NixBuildCommand(buildstep.ShellMixin, steps.BuildStep):
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"""Builds a nix derivation."""
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def __init__(self, retries: int, **kwargs: Any) -> None:
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kwargs = self.setupShellMixin(kwargs)
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self.retries = retries
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super().__init__(**kwargs)
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@defer.inlineCallbacks
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def run(self) -> Generator[Any, object, Any]:
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# run `nix build`
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cmd: remotecommand.RemoteCommand = yield self.makeRemoteShellCommand()
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yield self.runCommand(cmd)
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res = cmd.results()
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if res == util.FAILURE and self.retries > 0:
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retries = RETRY_COUNTER.retry_build(self.getProperty("build_uuid"))
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if retries > self.retries - 1:
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return util.RETRY
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return res
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class UpdateBuildOutput(steps.BuildStep):
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"""Updates store paths in a public www directory.
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This is useful to prefetch updates without having to evaluate
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on the target machine.
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"""
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project: GitProject
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def __init__(self, project: GitProject, path: Path, **kwargs: Any) -> None:
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super().__init__(**kwargs)
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self.project = project
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self.path = path
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def run(self) -> Generator[Any, object, Any]:
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props = self.build.getProperties()
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if props.getProperty("branch") != self.project.default_branch:
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return util.SKIPPED
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attr = Path(props.getProperty("attr")).name
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out_path = props.getProperty("out_path")
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# XXX don't hardcode this
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self.path.mkdir(parents=True, exist_ok=True)
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(self.path / attr).write_text(out_path)
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return util.SUCCESS
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# GitHub somtimes fires the PR webhook before it has computed the merge commit
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# This is a workaround to fetch the merge commit and checkout the PR branch in CI
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class GitLocalPrMerge(steps.Git):
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@defer.inlineCallbacks
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def run_vc(
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self,
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branch: str,
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revision: str,
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patch: str,
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) -> Generator[Any, object, Any]:
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build_props = self.build.getProperties()
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# TODO: abstract this into an interface as well
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merge_base = build_props.getProperty(
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"github.base.sha"
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) or build_props.getProperty("base_sha")
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pr_head = build_props.getProperty("github.head.sha") or build_props.getProperty(
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"head_sha"
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)
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# Not a PR, fallback to default behavior
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if merge_base is None or pr_head is None:
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res = yield super().run_vc(branch, revision, patch)
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return res
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# The code below is a modified version of Git.run_vc
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self.stdio_log: StreamLog = yield self.addLogForRemoteCommands("stdio")
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self.stdio_log.addStdout(f"Merging {merge_base} into {pr_head}\n")
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git_installed = yield self.checkFeatureSupport()
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if not git_installed:
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msg = "git is not installed on worker"
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raise WorkerSetupError(msg)
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has_git = yield self.pathExists(
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self.build.path_module.join(self.workdir, ".git")
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)
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if not has_git:
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yield self._dovccmd(["clone", "--recurse-submodules", self.repourl, "."])
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patched = yield self.sourcedirIsPatched()
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if patched:
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yield self._dovccmd(["clean", "-f", "-f", "-d", "-x"])
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yield self._dovccmd(["fetch", "-f", "-t", self.repourl, merge_base, pr_head])
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yield self._dovccmd(["checkout", "--detach", "-f", pr_head])
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yield self._dovccmd(
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[
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"-c",
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"user.email=buildbot@example.com",
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"-c",
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"user.name=buildbot",
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"merge",
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"--no-ff",
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"-m",
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f"Merge {merge_base} into {pr_head}",
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merge_base,
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]
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)
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self.updateSourceProperty("got_revision", pr_head)
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res = yield self.parseCommitDescription()
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return res
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|
|
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def nix_eval_config(
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project: GitProject,
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worker_names: list[str],
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git_url: str,
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supported_systems: list[str],
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eval_lock: MasterLock,
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worker_count: int,
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max_memory_size: int,
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) -> BuilderConfig:
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"""Uses nix-eval-jobs to evaluate hydraJobs from flake.nix in parallel.
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For each evaluated attribute a new build pipeline is started.
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"""
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factory = util.BuildFactory()
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# check out the source
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url_with_secret = util.Interpolate(git_url)
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factory.addStep(
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GitLocalPrMerge(
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repourl=url_with_secret,
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method="clean",
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submodules=True,
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haltOnFailure=True,
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),
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)
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drv_gcroots_dir = util.Interpolate(
|
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"/nix/var/nix/gcroots/per-user/buildbot-worker/%(prop:project)s/drvs/",
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)
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factory.addStep(
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NixEvalCommand(
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project=project,
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env={},
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name="evaluate flake",
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supported_systems=supported_systems,
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command=[
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"nix-eval-jobs",
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"--workers",
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str(worker_count),
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"--max-memory-size",
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str(max_memory_size),
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"--option",
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"accept-flake-config",
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"true",
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"--gc-roots-dir",
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drv_gcroots_dir,
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"--force-recurse",
|
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"--check-cache-status",
|
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"--flake",
|
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".#checks",
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],
|
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haltOnFailure=True,
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locks=[eval_lock.access("exclusive")],
|
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),
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)
|
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factory.addStep(
|
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steps.ShellCommand(
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name="Cleanup drv paths",
|
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command=[
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"rm",
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"-rf",
|
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drv_gcroots_dir,
|
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],
|
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),
|
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)
|
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|
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return util.BuilderConfig(
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name=f"{project.name}/nix-eval",
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workernames=worker_names,
|
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project=project.name,
|
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factory=factory,
|
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properties=dict(status_name="nix-eval"),
|
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)
|
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|
|
|
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@dataclass
|
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class CachixConfig:
|
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name: str
|
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signing_key_secret_name: str | None = None
|
|
auth_token_secret_name: str | None = None
|
|
|
|
def cachix_env(self) -> dict[str, str]:
|
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env = {}
|
|
if self.signing_key_secret_name is not None:
|
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env["CACHIX_SIGNING_KEY"] = util.Secret(self.signing_key_secret_name)
|
|
if self.auth_token_secret_name is not None:
|
|
env["CACHIX_AUTH_TOKEN"] = util.Secret(self.auth_token_secret_name)
|
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return env
|
|
|
|
|
|
def nix_build_config(
|
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project: GitProject,
|
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worker_names: list[str],
|
|
post_build_steps: list[steps.BuildStep],
|
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outputs_path: Path | None = None,
|
|
retries: int = 1,
|
|
) -> BuilderConfig:
|
|
"""Builds one nix flake attribute."""
|
|
factory = util.BuildFactory()
|
|
factory.addStep(
|
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NixBuildCommand(
|
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env={},
|
|
name="Build flake attr",
|
|
command=[
|
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"nix",
|
|
"build",
|
|
"-L",
|
|
"--option",
|
|
"keep-going",
|
|
"true",
|
|
# stop stuck builds after 20 minutes
|
|
"--max-silent-time",
|
|
str(60 * 20),
|
|
"--accept-flake-config",
|
|
"--out-link",
|
|
util.Interpolate("result-%(prop:attr)s"),
|
|
util.Interpolate("%(prop:drv_path)s^*"),
|
|
],
|
|
# 3 hours, defaults to 20 minutes
|
|
# We increase this over the default since the build output might end up in a different `nix build`.
|
|
timeout=60 * 60 * 3,
|
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retries=retries,
|
|
haltOnFailure=True,
|
|
),
|
|
)
|
|
factory.addSteps(post_build_steps)
|
|
|
|
factory.addStep(
|
|
steps.ShellCommand(
|
|
name="Register gcroot",
|
|
command=[
|
|
"nix-store",
|
|
"--add-root",
|
|
# FIXME: cleanup old build attributes
|
|
util.Interpolate(
|
|
"/nix/var/nix/gcroots/per-user/buildbot-worker/%(prop:project)s/%(prop:attr)s",
|
|
),
|
|
"-r",
|
|
util.Property("out_path"),
|
|
],
|
|
doStepIf=lambda s: s.getProperty("branch") == project.default_branch,
|
|
),
|
|
)
|
|
factory.addStep(
|
|
steps.ShellCommand(
|
|
name="Delete temporary gcroots",
|
|
command=["rm", "-f", util.Interpolate("result-%(prop:attr)s")],
|
|
),
|
|
)
|
|
if outputs_path is not None:
|
|
factory.addStep(
|
|
UpdateBuildOutput(
|
|
project=project,
|
|
name="Update build output",
|
|
path=outputs_path,
|
|
),
|
|
)
|
|
return util.BuilderConfig(
|
|
name=f"{project.name}/nix-build",
|
|
project=project.name,
|
|
workernames=worker_names,
|
|
collapseRequests=False,
|
|
env={},
|
|
factory=factory,
|
|
)
|
|
|
|
|
|
def nix_skipped_build_config(
|
|
project: GitProject,
|
|
worker_names: list[str],
|
|
) -> BuilderConfig:
|
|
"""Dummy builder that is triggered when a build is skipped."""
|
|
factory = util.BuildFactory()
|
|
factory.addStep(
|
|
EvalErrorStep(
|
|
name="Nix evaluation",
|
|
doStepIf=lambda s: s.getProperty("error"),
|
|
hideStepIf=lambda _, s: not s.getProperty("error"),
|
|
),
|
|
)
|
|
|
|
# This is just a dummy step showing the cached build
|
|
factory.addStep(
|
|
steps.BuildStep(
|
|
name="Nix build (cached)",
|
|
doStepIf=lambda _: False,
|
|
hideStepIf=lambda _, s: s.getProperty("error"),
|
|
),
|
|
)
|
|
return util.BuilderConfig(
|
|
name=f"{project.name}/nix-skipped-build",
|
|
project=project.name,
|
|
workernames=worker_names,
|
|
collapseRequests=False,
|
|
env={},
|
|
factory=factory,
|
|
)
|
|
|
|
|
|
def config_for_project(
|
|
config: dict[str, Any],
|
|
project: GitProject,
|
|
worker_names: list[str],
|
|
nix_supported_systems: list[str],
|
|
nix_eval_worker_count: int,
|
|
nix_eval_max_memory_size: int,
|
|
eval_lock: MasterLock,
|
|
post_build_steps: list[steps.BuildStep],
|
|
outputs_path: Path | None = None,
|
|
build_retries: int = 1,
|
|
) -> None:
|
|
config["projects"].append(Project(project.name))
|
|
config["schedulers"].extend(
|
|
[
|
|
schedulers.SingleBranchScheduler(
|
|
name=f"{project.project_id}-default-branch",
|
|
change_filter=util.ChangeFilter(
|
|
repository=project.url,
|
|
filter_fn=lambda c: c.branch == project.default_branch,
|
|
),
|
|
builderNames=[f"{project.name}/nix-eval"],
|
|
treeStableTimer=5,
|
|
),
|
|
# this is compatible with bors or github's merge queue
|
|
schedulers.SingleBranchScheduler(
|
|
name=f"{project.project_id}-merge-queue",
|
|
change_filter=util.ChangeFilter(
|
|
repository=project.url,
|
|
branch_re="(gh-readonly-queue/.*|staging|trying)",
|
|
),
|
|
builderNames=[f"{project.name}/nix-eval"],
|
|
),
|
|
# build all pull requests
|
|
schedulers.SingleBranchScheduler(
|
|
name=f"{project.project_id}-prs",
|
|
change_filter=util.ChangeFilter(
|
|
repository=project.url,
|
|
category="pull",
|
|
),
|
|
builderNames=[f"{project.name}/nix-eval"],
|
|
),
|
|
# this is triggered from `nix-eval`
|
|
schedulers.Triggerable(
|
|
name=f"{project.project_id}-nix-build",
|
|
builderNames=[f"{project.name}/nix-build"],
|
|
),
|
|
# this is triggered from `nix-eval` when the build is skipped
|
|
schedulers.Triggerable(
|
|
name=f"{project.project_id}-nix-skipped-build",
|
|
builderNames=[f"{project.name}/nix-skipped-build"],
|
|
),
|
|
# allow to manually trigger a nix-build
|
|
schedulers.ForceScheduler(
|
|
name=f"{project.project_id}-force",
|
|
builderNames=[f"{project.name}/nix-eval"],
|
|
properties=[
|
|
util.StringParameter(
|
|
name="project",
|
|
label=f"Name of the {project.pretty_type} repository.",
|
|
default=project.name,
|
|
),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
config["builders"].extend(
|
|
[
|
|
# Since all workers run on the same machine, we only assign one of them to do the evaluation.
|
|
# This should prevent exessive memory usage.
|
|
nix_eval_config(
|
|
project,
|
|
worker_names,
|
|
git_url=project.get_project_url(),
|
|
supported_systems=nix_supported_systems,
|
|
worker_count=nix_eval_worker_count,
|
|
max_memory_size=nix_eval_max_memory_size,
|
|
eval_lock=eval_lock,
|
|
),
|
|
nix_build_config(
|
|
project,
|
|
worker_names,
|
|
outputs_path=outputs_path,
|
|
retries=build_retries,
|
|
post_build_steps=post_build_steps,
|
|
),
|
|
nix_skipped_build_config(project, [SKIPPED_BUILDER_NAME]),
|
|
],
|
|
)
|
|
|
|
|
|
def normalize_virtual_builder_name(name: str) -> str:
|
|
if re.match(r"^[^:]+:", name) is not None:
|
|
# rewrites github:nix-community/srvos#checks.aarch64-linux.nixos-stable-example-hardware-hetzner-online-intel -> nix-community/srvos/nix-build
|
|
match = re.match(r"[^:]+:(?P<owner>[^/]+)/(?P<repo>[^#]+)#.+", name)
|
|
if match:
|
|
return f"{match['owner']}/{match['repo']}/nix-build"
|
|
|
|
return name
|
|
|
|
|
|
class AnyProjectEndpointMatcher(EndpointMatcherBase):
|
|
def __init__(self, builders: set[str] | None = None, **kwargs: Any) -> None:
|
|
if builders is None:
|
|
builders = set()
|
|
self.builders = builders
|
|
super().__init__(**kwargs)
|
|
|
|
@defer.inlineCallbacks
|
|
def check_builder(
|
|
self,
|
|
endpoint_object: Any,
|
|
endpoint_dict: dict[str, Any],
|
|
object_type: str,
|
|
) -> Generator[defer.Deferred[Match], Any, Any]:
|
|
res = yield endpoint_object.get({}, endpoint_dict)
|
|
if res is None:
|
|
return None
|
|
|
|
builderid = res.get("builderid")
|
|
if builderid is None:
|
|
builder_name = res["builder_names"][0]
|
|
else:
|
|
builder = yield self.master.data.get(("builders", builderid))
|
|
builder_name = builder["name"]
|
|
|
|
builder_name = normalize_virtual_builder_name(builder_name)
|
|
if builder_name in self.builders:
|
|
log.warn(
|
|
"Builder {builder} allowed by {role}: {builders}",
|
|
builder=builder_name,
|
|
role=self.role,
|
|
builders=self.builders,
|
|
)
|
|
return Match(self.master, **{object_type: res})
|
|
else:
|
|
log.warn(
|
|
"Builder {builder} not allowed by {role}: {builders}",
|
|
builder=builder_name,
|
|
role=self.role,
|
|
builders=self.builders,
|
|
)
|
|
|
|
def match_ForceSchedulerEndpoint_force( # noqa: N802
|
|
self,
|
|
epobject: Any,
|
|
epdict: dict[str, Any],
|
|
options: dict[str, Any],
|
|
) -> defer.Deferred[Match]:
|
|
return self.check_builder(epobject, epdict, "build")
|
|
|
|
def match_BuildEndpoint_rebuild( # noqa: N802
|
|
self,
|
|
epobject: Any,
|
|
epdict: dict[str, Any],
|
|
options: dict[str, Any],
|
|
) -> defer.Deferred[Match]:
|
|
return self.check_builder(epobject, epdict, "build")
|
|
|
|
def match_BuildEndpoint_stop( # noqa: N802
|
|
self,
|
|
epobject: Any,
|
|
epdict: dict[str, Any],
|
|
options: dict[str, Any],
|
|
) -> defer.Deferred[Match]:
|
|
return self.check_builder(epobject, epdict, "build")
|
|
|
|
def match_BuildRequestEndpoint_stop( # noqa: N802
|
|
self,
|
|
epobject: Any,
|
|
epdict: dict[str, Any],
|
|
options: dict[str, Any],
|
|
) -> defer.Deferred[Match]:
|
|
return self.check_builder(epobject, epdict, "buildrequest")
|
|
|
|
|
|
def setup_authz(
|
|
backends: list[GitBackend], projects: list[GitProject], admins: list[str]
|
|
) -> Authz:
|
|
allow_rules = []
|
|
allowed_builders_by_org: defaultdict[str, set[str]] = defaultdict(
|
|
lambda: {backend.reload_builder_name for backend in backends},
|
|
)
|
|
|
|
for project in projects:
|
|
if project.belongs_to_org:
|
|
for builder in ["nix-build", "nix-skipped-build", "nix-eval"]:
|
|
allowed_builders_by_org[project.owner].add(f"{project.name}/{builder}")
|
|
|
|
for org, allowed_builders in allowed_builders_by_org.items():
|
|
allow_rules.append(
|
|
AnyProjectEndpointMatcher(
|
|
builders=allowed_builders,
|
|
role=org,
|
|
defaultDeny=False,
|
|
),
|
|
)
|
|
|
|
allow_rules.append(util.AnyEndpointMatcher(role="admin", defaultDeny=False))
|
|
allow_rules.append(util.AnyControlEndpointMatcher(role="admins"))
|
|
return util.Authz(
|
|
roleMatchers=[
|
|
util.RolesFromUsername(roles=["admin"], usernames=admins),
|
|
util.RolesFromGroups(groupPrefix=""), # so we can match on ORG
|
|
],
|
|
allowRules=allow_rules,
|
|
)
|
|
|
|
|
|
class PeriodicWithStartup(schedulers.Periodic):
|
|
def __init__(self, *args: Any, run_on_startup: bool = False, **kwargs: Any) -> None:
|
|
super().__init__(*args, **kwargs)
|
|
self.run_on_startup = run_on_startup
|
|
|
|
@defer.inlineCallbacks
|
|
def activate(self) -> Generator[Any, object, Any]:
|
|
if self.run_on_startup:
|
|
yield self.setState("last_build", None)
|
|
yield super().activate()
|
|
|
|
|
|
class NixConfigurator(ConfiguratorBase):
|
|
"""Janitor is a configurator which create a Janitor Builder with all needed Janitor steps"""
|
|
|
|
def __init__(
|
|
self,
|
|
# Shape of this file: [ { "name": "<worker-name>", "pass": "<worker-password>", "cores": "<cpu-cores>" } ]
|
|
admins: list[str],
|
|
auth_backend: str,
|
|
build_retries: int,
|
|
github: GithubConfig | None,
|
|
gitea: GiteaConfig | None,
|
|
url: str,
|
|
nix_supported_systems: list[str],
|
|
nix_eval_worker_count: int | None,
|
|
nix_eval_max_memory_size: int,
|
|
post_build_steps: list[steps.BuildStep] | None = None,
|
|
nix_workers_secret_name: str = "buildbot-nix-workers", # noqa: S107
|
|
cachix: CachixConfig | None = None,
|
|
outputs_path: str | None = None,
|
|
) -> None:
|
|
super().__init__()
|
|
self.nix_workers_secret_name = nix_workers_secret_name
|
|
self.nix_eval_max_memory_size = nix_eval_max_memory_size
|
|
self.nix_eval_worker_count = nix_eval_worker_count
|
|
self.nix_supported_systems = nix_supported_systems
|
|
self.post_build_steps = post_build_steps or []
|
|
self.auth_backend = auth_backend
|
|
self.admins = admins
|
|
self.github = github
|
|
self.gitea = gitea
|
|
self.url = url
|
|
self.cachix = cachix
|
|
self.build_retries = build_retries
|
|
if outputs_path is None:
|
|
self.outputs_path = None
|
|
else:
|
|
self.outputs_path = Path(outputs_path)
|
|
|
|
def configure(self, config: dict[str, Any]) -> None:
|
|
backends: dict[str, GitBackend] = {}
|
|
|
|
if self.github is not None:
|
|
backends["github"] = GithubBackend(self.github, self.url)
|
|
|
|
if self.gitea is not None:
|
|
backends["gitea"] = GiteaBackend(self.gitea)
|
|
|
|
auth: AuthBase | None = (
|
|
backends[self.auth_backend].create_auth()
|
|
if self.auth_backend != "none"
|
|
else None
|
|
)
|
|
|
|
projects: list[GitProject] = []
|
|
|
|
for backend in backends.values():
|
|
projects += backend.load_projects()
|
|
|
|
worker_config = json.loads(read_secret_file(self.nix_workers_secret_name))
|
|
worker_names = []
|
|
|
|
config.setdefault("projects", [])
|
|
config.setdefault("secretsProviders", [])
|
|
config.setdefault("www", {})
|
|
|
|
for item in worker_config:
|
|
cores = item.get("cores", 0)
|
|
for i in range(cores):
|
|
worker_name = f"{item['name']}-{i:03}"
|
|
config["workers"].append(worker.Worker(worker_name, item["pass"]))
|
|
worker_names.append(worker_name)
|
|
|
|
eval_lock = util.MasterLock("nix-eval")
|
|
|
|
if self.cachix is not None:
|
|
self.post_build_steps.append(
|
|
steps.ShellCommand(
|
|
name="Upload cachix",
|
|
env=self.cachix.cachix_env(),
|
|
command=[
|
|
"cachix",
|
|
"push",
|
|
self.cachix.name,
|
|
util.Interpolate("result-%(prop:attr)s"),
|
|
],
|
|
)
|
|
)
|
|
|
|
for project in projects:
|
|
config_for_project(
|
|
config,
|
|
project,
|
|
worker_names,
|
|
self.nix_supported_systems,
|
|
self.nix_eval_worker_count or multiprocessing.cpu_count(),
|
|
self.nix_eval_max_memory_size,
|
|
eval_lock,
|
|
self.post_build_steps,
|
|
self.outputs_path,
|
|
self.build_retries,
|
|
)
|
|
|
|
config["workers"].append(worker.LocalWorker(SKIPPED_BUILDER_NAME))
|
|
|
|
for backend in backends.values():
|
|
# Reload backend projects
|
|
config["builders"].append(backend.create_reload_builder([worker_names[0]]))
|
|
config["schedulers"].extend(
|
|
[
|
|
schedulers.ForceScheduler(
|
|
name=f"reload-{backend.type}-projects",
|
|
builderNames=[backend.reload_builder_name],
|
|
buttonName="Update projects",
|
|
),
|
|
# project list twice a day and on startup
|
|
PeriodicWithStartup(
|
|
name=f"reload-{backend.type}-projects-bidaily",
|
|
builderNames=[backend.reload_builder_name],
|
|
periodicBuildTimer=12 * 60 * 60,
|
|
run_on_startup=not backend.are_projects_cached(),
|
|
),
|
|
],
|
|
)
|
|
config["services"].append(backend.create_reporter())
|
|
config.setdefault("secretProviders", [])
|
|
config["secretsProviders"].extend(backend.create_secret_providers())
|
|
|
|
systemd_secrets = SecretInAFile(
|
|
dirname=os.environ["CREDENTIALS_DIRECTORY"],
|
|
)
|
|
config["secretsProviders"].append(systemd_secrets)
|
|
|
|
config["www"].setdefault("plugins", {})
|
|
|
|
config["www"].setdefault("change_hook_dialects", {})
|
|
for backend in backends.values():
|
|
config["www"]["change_hook_dialects"][backend.change_hook_name] = (
|
|
backend.create_change_hook()
|
|
)
|
|
|
|
config["www"].setdefault("avatar_methods", [])
|
|
|
|
for backend in backends.values():
|
|
avatar_method = backend.create_avatar_method()
|
|
print(avatar_method)
|
|
if avatar_method is not None:
|
|
config["www"]["avatar_methods"].append(avatar_method)
|
|
|
|
if "auth" not in config["www"]:
|
|
# TODO one cannot have multiple auth backends...
|
|
if auth is not None:
|
|
config["www"]["auth"] = auth
|
|
|
|
config["www"]["authz"] = setup_authz(
|
|
admins=self.admins,
|
|
backends=list(backends.values()),
|
|
projects=projects,
|
|
)
|