HarbormasterLeaseHostBuildStepImplementation.php
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	<?php

	final class HarbormasterLeaseHostBuildStepImplementation
	extends HarbormasterBuildStepImplementation {

	public function getName() {
	return pht('Lease Host');
	}

	public function getGenericDescription() {
	return pht('Obtain a lease on a Drydock host for performing builds.');
	}

	public function getBuildStepGroupKey() {
	return HarbormasterPrototypeBuildStepGroup::GROUPKEY;
	}

	public function execute(
	HarbormasterBuild $build,
	HarbormasterBuildTarget $build_target) {

	$settings = $this->getSettings();

	// Create the lease.
	$lease = id(new DrydockLease())
	->setResourceType('host')
	->setAttributes(
	array(
	'platform' => $settings['platform'],
	))
	->queueForActivation();

	// Wait until the lease is fulfilled.
	// TODO: This will throw an exception if the lease can't be fulfilled;
	// we should treat that as build failure not build error.
	$lease->waitUntilActive();

	// Create the associated artifact.
	$artifact = $build_target->createArtifact(
	PhabricatorUser::getOmnipotentUser(),
	$settings['name'],
	HarbormasterHostArtifact::ARTIFACTCONST,
	array(
	'drydockLeasePHID' => $lease->getPHID(),
	));
	}

	public function getArtifactOutputs() {
	return array(
	array(
	'name' => pht('Leased Host'),
	'key' => $this->getSetting('name'),
	'type' => HarbormasterHostArtifact::ARTIFACTCONST,
	),
	);
	}

	public function getFieldSpecifications() {
	return array(
	'name' => array(
	'name' => pht('Artifact Name'),
	'type' => 'text',
	'required' => true,
	),
	'platform' => array(
	'name' => pht('Platform'),
	'type' => 'text',
	'required' => true,
	),
	);
	}

	}