DrydockLocalHostBlueprint.php
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	<?php

	final class DrydockLocalHostBlueprint extends DrydockBlueprint {

	public function isEnabled() {
	return PhabricatorEnv::getEnvConfig('drydock.localhost.enabled');
	}

	public function canAllocateMoreResources(array $pool) {
	assert_instances_of($pool, 'DrydockResource');

	// The localhost can be allocated only once.
	foreach ($pool as $resource) {
	if ($resource->getBlueprintClass() == $this->getBlueprintClass()) {
	return false;
	}
	}

	return true;
	}

	protected function executeAllocateResource(DrydockLease $lease) {
	$path = PhabricatorEnv::getEnvConfig('drydock.localhost.path');
	if (!Filesystem::pathExists($path)) {
	throw new Exception(
	"Path '{$path}' does not exist!");
	}
	Filesystem::assertIsDirectory($path);
	Filesystem::assertWritable($path);

	$resource = $this->newResourceTemplate('localhost');
	$resource->setStatus(DrydockResourceStatus::STATUS_OPEN);
	$resource->save();

	return $resource;
	}

	protected function executeAcquireLease(
	DrydockResource $resource,
	DrydockLease $lease) {
	return;
	}

	public function getType() {
	return 'host';
	}

	public function getInterface(
	DrydockResource $resource,
	DrydockLease $lease,
	$type) {

	switch ($type) {
	case 'command':
	return new DrydockLocalCommandInterface();
	}

	throw new Exception("No interface of type '{$type}'.");
	}

	}