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phab/src/applications/harbormaster/step/HarbormasterCommandBuildStepImplementation.php
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HarbormasterCommandBuildStepImplementation.php
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<?php
final class HarbormasterCommandBuildStepImplementation
extends HarbormasterBuildStepImplementation {
private $platform;
public function getName() {
return pht('Run Command');
}
public function getGenericDescription() {
return pht('Run a command on Drydock host.');
}
public function getBuildStepGroupKey() {
return HarbormasterPrototypeBuildStepGroup::GROUPKEY;
}
public function getDescription() {
return pht(
'Run command %s on host %s.',
$this->formatSettingForDescription('command'),
$this->formatSettingForDescription('hostartifact'));
}
public function escapeCommand($pattern, array $args) {
array_unshift($args, $pattern);
$mode = PhutilCommandString::MODE_DEFAULT;
if ($this->platform == 'windows') {
$mode = PhutilCommandString::MODE_POWERSHELL;
}
return id(new PhutilCommandString($args))
->setEscapingMode($mode);
}
public function execute(
HarbormasterBuild $build,
HarbormasterBuildTarget $build_target) {
$settings = $this->getSettings();
$variables = $build_target->getVariables();
$artifact = $build->loadArtifact($settings['hostartifact']);
$lease = $artifact->loadDrydockLease();
$this->platform = $lease->getAttribute('platform');
$command = $this->mergeVariables(
array($this, 'escapeCommand'),
$settings['command'],
$variables);
$this->platform = null;
$interface = $lease->getInterface('command');
$future = $interface->getExecFuture('%C', $command);
$log_stdout = $build->createLog($build_target, 'remote', 'stdout');
$log_stderr = $build->createLog($build_target, 'remote', 'stderr');
$start_stdout = $log_stdout->start();
$start_stderr = $log_stderr->start();
$build_update = 5;
// Read the next amount of available output every second.
$futures = new FutureIterator(array($future));
foreach ($futures->setUpdateInterval(1) as $key => $future_iter) {
if ($future_iter === null) {
// Check to see if we should abort.
if ($build_update <= 0) {
$build->reload();
if ($this->shouldAbort($build, $build_target)) {
$future->resolveKill();
throw new HarbormasterBuildAbortedException();
} else {
$build_update = 5;
}
} else {
$build_update -= 1;
}
// Command is still executing.
// Read more data as it is available.
list($stdout, $stderr) = $future->read();
$log_stdout->append($stdout);
$log_stderr->append($stderr);
$future->discardBuffers();
} else {
// Command execution is complete.
// Get the return value so we can log that as well.
list($err) = $future->resolve();
// Retrieve the last few bits of information.
list($stdout, $stderr) = $future->read();
$log_stdout->append($stdout);
$log_stderr->append($stderr);
$future->discardBuffers();
break;
}
}
$log_stdout->finalize($start_stdout);
$log_stderr->finalize($start_stderr);
if ($err) {
throw new HarbormasterBuildFailureException();
}
}
public function getArtifactInputs() {
return array(
array(
'name' => pht('Run on Host'),
'key' => $this->getSetting('hostartifact'),
'type' => HarbormasterBuildArtifact::TYPE_HOST,
),
);
}
public function getFieldSpecifications() {
return array(
'command' => array(
'name' => pht('Command'),
'type' => 'text',
'required' => true,
'caption' => pht(
"Under Windows, this is executed under PowerShell. ".
"Under UNIX, this is executed using the user's shell."),
),
'hostartifact' => array(
'name' => pht('Host'),
'type' => 'text',
'required' => true,
),
);
}
}
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