forked from lix-project/hydra
Abort unsupported build steps
If we don't see machine that supports a build step for 'max_unsupported_time' seconds, the step is aborted. The default is 0, which is appropriate for Hydra installations that don't provision missing machines dynamically.
This commit is contained in:
Eelco Dolstra
parent
5b731004da
commit
f5cdbfe21d
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@ -376,97 +376,8 @@ State::StepResult State::doBuildStep(nix::ref<Store> destStore,
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}
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}
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} else {
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/* Register failure in the database for all Build objects that
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directly or indirectly depend on this step. */
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std::vector<BuildID> dependentIDs;
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while (true) {
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/* Get the builds and steps that depend on this step. */
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std::set<Build::ptr> indirect;
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{
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auto steps_(steps.lock());
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std::set<Step::ptr> steps;
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getDependents(step, indirect, steps);
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/* If there are no builds left, delete all referring
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steps from ‘steps’. As for the success case, we can
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be certain no new referrers can be added. */
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if (indirect.empty()) {
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for (auto & s : steps) {
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printMsg(lvlDebug, "finishing build step ‘%s’",
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localStore->printStorePath(s->drvPath));
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steps_->erase(s->drvPath);
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}
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}
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}
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if (indirect.empty() && stepFinished) break;
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/* Update the database. */
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{
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auto mc = startDbUpdate();
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pqxx::work txn(*conn);
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/* Create failed build steps for every build that
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depends on this, except when this step is cached
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and is the top-level of that build (since then it's
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redundant with the build's isCachedBuild field). */
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for (auto & build2 : indirect) {
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if ((result.stepStatus == bsCachedFailure && build2->drvPath == step->drvPath) ||
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(result.stepStatus != bsCachedFailure && buildId == build2->id) ||
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build2->finishedInDB)
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continue;
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createBuildStep(txn, 0, build2->id, step, machine->sshName,
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result.stepStatus, result.errorMsg, buildId == build2->id ? 0 : buildId);
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}
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/* Mark all builds that depend on this derivation as failed. */
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for (auto & build2 : indirect) {
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if (build2->finishedInDB) continue;
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printMsg(lvlError, format("marking build %1% as failed") % build2->id);
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txn.parameterized
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("update Builds set finished = 1, buildStatus = $2, startTime = $3, stopTime = $4, isCachedBuild = $5, notificationPendingSince = $4 where id = $1 and finished = 0")
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(build2->id)
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((int) (build2->drvPath != step->drvPath && result.buildStatus() == bsFailed ? bsDepFailed : result.buildStatus()))
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(result.startTime)
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(result.stopTime)
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(result.stepStatus == bsCachedFailure ? 1 : 0).exec();
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nrBuildsDone++;
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}
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/* Remember failed paths in the database so that they
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won't be built again. */
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if (result.stepStatus != bsCachedFailure && result.canCache)
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for (auto & path : step->drv->outputPaths())
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txn.parameterized("insert into FailedPaths values ($1)")(localStore->printStorePath(path)).exec();
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txn.commit();
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}
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stepFinished = true;
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/* Remove the indirect dependencies from ‘builds’. This
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will cause them to be destroyed. */
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for (auto & b : indirect) {
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auto builds_(builds.lock());
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b->finishedInDB = true;
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builds_->erase(b->id);
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dependentIDs.push_back(b->id);
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if (buildOne == b->id) quit = true;
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}
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}
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/* Send notification about this build and its dependents. */
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{
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pqxx::work txn(*conn);
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notifyBuildFinished(txn, buildId, dependentIDs);
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txn.commit();
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}
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}
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} else
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failStep(*conn, step, buildId, result, machine, stepFinished, quit);
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// FIXME: keep stats about aborted steps?
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nrStepsDone++;
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@ -482,6 +393,107 @@ State::StepResult State::doBuildStep(nix::ref<Store> destStore,
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}
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void State::failStep(
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Connection & conn,
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Step::ptr step,
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BuildID buildId,
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const RemoteResult & result,
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Machine::ptr machine,
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bool & stepFinished,
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bool & quit)
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{
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/* Register failure in the database for all Build objects that
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directly or indirectly depend on this step. */
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std::vector<BuildID> dependentIDs;
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while (true) {
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/* Get the builds and steps that depend on this step. */
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std::set<Build::ptr> indirect;
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{
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auto steps_(steps.lock());
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std::set<Step::ptr> steps;
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getDependents(step, indirect, steps);
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/* If there are no builds left, delete all referring
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steps from ‘steps’. As for the success case, we can
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be certain no new referrers can be added. */
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if (indirect.empty()) {
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for (auto & s : steps) {
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printMsg(lvlDebug, "finishing build step ‘%s’",
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localStore->printStorePath(s->drvPath));
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steps_->erase(s->drvPath);
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}
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}
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}
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if (indirect.empty() && stepFinished) break;
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/* Update the database. */
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{
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auto mc = startDbUpdate();
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pqxx::work txn(conn);
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/* Create failed build steps for every build that
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depends on this, except when this step is cached
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and is the top-level of that build (since then it's
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redundant with the build's isCachedBuild field). */
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for (auto & build : indirect) {
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if ((result.stepStatus == bsCachedFailure && build->drvPath == step->drvPath) ||
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((result.stepStatus != bsCachedFailure && result.stepStatus != bsUnsupported) && buildId == build->id) ||
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build->finishedInDB)
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continue;
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createBuildStep(txn,
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0, build->id, step, machine ? machine->sshName : "",
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result.stepStatus, result.errorMsg, buildId == build->id ? 0 : buildId);
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}
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/* Mark all builds that depend on this derivation as failed. */
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for (auto & build : indirect) {
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if (build->finishedInDB) continue;
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printMsg(lvlError, format("marking build %1% as failed") % build->id);
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txn.parameterized
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("update Builds set finished = 1, buildStatus = $2, startTime = $3, stopTime = $4, isCachedBuild = $5, notificationPendingSince = $4 where id = $1 and finished = 0")
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(build->id)
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((int) (build->drvPath != step->drvPath && result.buildStatus() == bsFailed ? bsDepFailed : result.buildStatus()))
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(result.startTime)
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(result.stopTime)
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(result.stepStatus == bsCachedFailure ? 1 : 0).exec();
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nrBuildsDone++;
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}
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/* Remember failed paths in the database so that they
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won't be built again. */
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if (result.stepStatus != bsCachedFailure && result.canCache)
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for (auto & path : step->drv->outputPaths())
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txn.parameterized("insert into FailedPaths values ($1)")(localStore->printStorePath(path)).exec();
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txn.commit();
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}
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stepFinished = true;
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/* Remove the indirect dependencies from ‘builds’. This
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will cause them to be destroyed. */
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for (auto & b : indirect) {
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auto builds_(builds.lock());
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b->finishedInDB = true;
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builds_->erase(b->id);
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dependentIDs.push_back(b->id);
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if (buildOne == b->id) quit = true;
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}
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}
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/* Send notification about this build and its dependents. */
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{
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pqxx::work txn(conn);
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notifyBuildFinished(txn, buildId, dependentIDs);
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txn.commit();
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}
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}
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void State::addRoot(const StorePath & storePath)
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{
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auto root = rootsDir + "/" + std::string(storePath.to_string());
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@ -300,6 +300,8 @@ system_time State::doDispatch()
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} while (keepGoing);
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abortUnsupported();
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return sleepUntil;
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}
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@ -314,6 +316,89 @@ void State::wakeDispatcher()
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}
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void State::abortUnsupported()
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{
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/* Make a copy of 'runnable' and 'machines' so we don't block them
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very long. */
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auto runnable2 = *runnable.lock();
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auto machines2 = *machines.lock();
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system_time now = std::chrono::system_clock::now();
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auto now2 = time(0);
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std::unordered_set<Step::ptr> aborted;
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for (auto & wstep : runnable2) {
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auto step(wstep.lock());
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if (!step) continue;
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bool supported = false;
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for (auto & machine : machines2) {
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if (machine.second->supportsStep(step)) {
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step->state.lock()->lastSupported = now;
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supported = true;
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break;
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}
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}
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if (!supported
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&& std::chrono::duration_cast<std::chrono::seconds>(now - step->state.lock()->lastSupported).count() >= maxUnsupportedTime)
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{
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printError("aborting unsupported build step '%s' (type '%s')",
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localStore->printStorePath(step->drvPath),
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step->systemType);
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aborted.insert(step);
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auto conn(dbPool.get());
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std::set<Build::ptr> dependents;
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std::set<Step::ptr> steps;
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getDependents(step, dependents, steps);
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/* Maybe the step got cancelled. */
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if (dependents.empty()) continue;
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/* Find the build that has this step as the top-level (if
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any). */
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Build::ptr build;
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for (auto build2 : dependents) {
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if (build2->drvPath == step->drvPath)
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build = build2;
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}
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if (!build) build = *dependents.begin();
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bool stepFinished = false;
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bool quit = false;
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failStep(
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*conn, step, build->id,
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RemoteResult {
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.stepStatus = bsUnsupported,
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.errorMsg = fmt("unsupported system type '%s'",
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step->systemType),
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.startTime = now2,
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.stopTime = now2,
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},
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nullptr, stepFinished, quit);
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if (quit) exit(1);
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}
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}
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/* Clean up 'runnable'. */
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{
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auto runnable_(runnable.lock());
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for (auto i = runnable_->begin(); i != runnable_->end(); ) {
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if (aborted.count(i->lock()))
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i = runnable_->erase(i);
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else
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++i;
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}
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}
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}
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void Jobset::addStep(time_t startTime, time_t duration)
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{
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auto steps_(steps.lock());
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@ -46,6 +46,7 @@ std::string getEnvOrDie(const std::string & key)
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State::State()
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: config(std::make_unique<::Config>())
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, maxUnsupportedTime(config->getIntOption("max_unsupported_time", 0))
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, dbPool(config->getIntOption("max_db_connections", 128))
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, memoryTokens(config->getIntOption("nar_buffer_size", getMemSize() / 2))
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, maxOutputSize(config->getIntOption("max_output_size", 2ULL << 30))
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@ -68,7 +68,7 @@ struct RemoteResult
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std::unique_ptr<nix::TokenServer::Token> tokens;
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std::shared_ptr<nix::FSAccessor> accessor;
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BuildStatus buildStatus()
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BuildStatus buildStatus() const
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{
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return stepStatus == bsCachedFailure ? bsFailed : stepStatus;
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}
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@ -198,6 +198,10 @@ struct Step
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/* The time at which this step became runnable. */
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system_time runnableSince;
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/* The time that we last saw a machine that supports this
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step. */
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system_time lastSupported = std::chrono::system_clock::now();
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};
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std::atomic_bool finished{false}; // debugging
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@ -303,6 +307,9 @@ private:
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const float retryBackoff = 3.0;
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const unsigned int maxParallelCopyClosure = 4;
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/* Time in seconds before unsupported build steps are aborted. */
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const unsigned int maxUnsupportedTime = 0;
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nix::Path hydraData, logDir;
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bool useSubstitutes = false;
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@ -483,6 +490,15 @@ private:
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Build::ptr referringBuild, Step::ptr referringStep, std::set<nix::StorePath> & finishedDrvs,
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std::set<Step::ptr> & newSteps, std::set<Step::ptr> & newRunnable);
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void failStep(
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Connection & conn,
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Step::ptr step,
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BuildID buildId,
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const RemoteResult & result,
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Machine::ptr machine,
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bool & stepFinished,
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bool & quit);
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Jobset::ptr createJobset(pqxx::work & txn,
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const std::string & projectName, const std::string & jobsetName);
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@ -497,6 +513,8 @@ private:
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void wakeDispatcher();
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void abortUnsupported();
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void builder(MachineReservation::ptr reservation);
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/* Perform the given build step. Return true if the step is to be
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