DrydockSSHCommandInterface.php
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	<?php

	/*
	* Copyright 2012 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	final class DrydockSSHCommandInterface extends DrydockCommandInterface {

	public function getExecFuture($command) {
	$argv = func_get_args();
	$full_command = call_user_func_array('csprintf', $argv);

	// NOTE: The "-t -t" is for psuedo-tty allocation so we can "sudo" on some
	// systems, but maybe more trouble than it's worth?

	return new ExecFuture(
	'ssh -t -t -o StrictHostKeyChecking=no -i %s %s@%s -- %s',
	$this->getConfig('ssh-keyfile'),
	$this->getConfig('user'),
	$this->getConfig('host'),
	$full_command);
	}

	}