private function updateBuildSteps(HarbormasterBuild $build)
{
$targets = id(new HarbormasterBuildTargetQuery())->setViewer($this->getViewer())->withBuildPHIDs(array($build->getPHID()))->withBuildGenerations(array($build->getBuildGeneration()))->execute();
$this->updateWaitingTargets($targets);
$targets = mgroup($targets, 'getBuildStepPHID');
$steps = id(new HarbormasterBuildStepQuery())->setViewer($this->getViewer())->withBuildPlanPHIDs(array($build->getBuildPlan()->getPHID()))->execute();
// Identify steps which are in various states.
$queued = array();
$underway = array();
$waiting = array();
$complete = array();
$failed = array();
foreach ($steps as $step) {
$step_targets = idx($targets, $step->getPHID(), array());
if ($step_targets) {
$is_queued = false;
$is_underway = false;
foreach ($step_targets as $target) {
if ($target->isUnderway()) {
$is_underway = true;
break;
}
}
$is_waiting = false;
foreach ($step_targets as $target) {
if ($target->isWaiting()) {
$is_waiting = true;
break;
}
}
$is_complete = true;
foreach ($step_targets as $target) {
if (!$target->isComplete()) {
$is_complete = false;
break;
}
}
$is_failed = false;
foreach ($step_targets as $target) {
if ($target->isFailed()) {
$is_failed = true;
break;
}
}
} else {
$is_queued = true;
$is_underway = false;
$is_waiting = false;
$is_complete = false;
$is_failed = false;
}
if ($is_queued) {
$queued[$step->getPHID()] = true;
}
if ($is_underway) {
$underway[$step->getPHID()] = true;
}
if ($is_waiting) {
$waiting[$step->getPHID()] = true;
}
if ($is_complete) {
$complete[$step->getPHID()] = true;
}
if ($is_failed) {
$failed[$step->getPHID()] = true;
}
}
// If any step failed, fail the whole build, then bail.
if (count($failed)) {
$build->setBuildStatus(HarbormasterBuild::STATUS_FAILED);
$build->save();
return;
}
// If every step is complete, we're done with this build. Mark it passed
// and bail.
if (count($complete) == count($steps)) {
$build->setBuildStatus(HarbormasterBuild::STATUS_PASSED);
$build->save();
return;
}
// Identify all the steps which are ready to run (because all their
// dependencies are complete).
$runnable = array();
foreach ($steps as $step) {
$dependencies = $step->getStepImplementation()->getDependencies($step);
if (isset($queued[$step->getPHID()])) {
$can_run = true;
foreach ($dependencies as $dependency) {
if (empty($complete[$dependency])) {
$can_run = false;
break;
}
}
if ($can_run) {
$runnable[] = $step;
}
}
}
if (!$runnable && !$waiting && !$underway) {
// This means the build is deadlocked, and the user has configured
// circular dependencies.
$build->setBuildStatus(HarbormasterBuild::STATUS_DEADLOCKED);
$build->save();
return;
}
foreach ($runnable as $runnable_step) {
$target = HarbormasterBuildTarget::initializeNewBuildTarget($build, $runnable_step, $build->retrieveVariablesFromBuild());
$target->save();
$this->queueNewBuildTarget($target);
}
}