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<?php |
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/* (c) Anton Medvedev <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Deployer\Ssh; |
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use Deployer\Exception\RuntimeException; |
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use Deployer\Host\Host; |
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use Deployer\Utility\ProcessOutputPrinter; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Process\Process; |
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class Client |
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{ |
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/** |
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* @var OutputInterface |
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*/ |
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private $output; |
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/** |
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* @var ProcessOutputPrinter |
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*/ |
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private $pop; |
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/** |
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* @var bool |
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*/ |
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private $multiplexing; |
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public function __construct(OutputInterface $output, ProcessOutputPrinter $pop, bool $multiplexing) |
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{ |
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$this->output = $output; |
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$this->pop = $pop; |
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$this->multiplexing = $multiplexing; |
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} |
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/** |
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* @param Host $host |
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* @param string $command |
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* @param array $config |
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* @return string |
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* @throws RuntimeException |
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*/ |
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public function run(Host $host, string $command, array $config = []) |
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{ |
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$hostname = $host->getHostname(); |
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$defaults = [ |
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'timeout' => 300, |
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'tty' => false, |
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]; |
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$config = array_merge($defaults, $config); |
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$this->pop->command($hostname, $command); |
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$sshArguments = $host->getSshArguments(); |
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$become = $host->has('become') ? 'sudo -u ' . $host->get('become') : ''; |
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// When tty need to be allocated, don't use multiplexing, |
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// and pass command without bash allocation on remote host. |
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if ($config['tty']) { |
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$this->output->write(''); // Notify OutputWatcher |
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$sshArguments = $sshArguments->withFlag('-tt'); |
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$command = escapeshellarg($command); |
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$ssh = "ssh $sshArguments $host $command"; |
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$process = new Process($ssh); |
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$process |
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->setTimeout($config['timeout']) |
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->setTty(true) |
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->mustRun(); |
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return $process->getOutput(); |
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} |
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if ($host->isMultiplexing() === null ? $this->multiplexing : $host->isMultiplexing()) { |
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$sshArguments = $this->initMultiplexing($host); |
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} |
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$ssh = "ssh $sshArguments $host $become 'bash -s; printf \"[exit_code:%s]\" $?;'"; |
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$process = new Process($ssh); |
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$process |
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->setInput($command) |
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->setTimeout($config['timeout']); |
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$process->run($this->pop->callback($hostname)); |
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$output = $this->pop->filterOutput($process->getOutput()); |
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$exitCode = $this->parseExitStatus($process); |
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if ($exitCode !== 0) { |
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throw new RuntimeException( |
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$hostname, |
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$command, |
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$exitCode, |
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$output, |
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$process->getErrorOutput() |
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); |
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} |
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return $output; |
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} |
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private function parseExitStatus(Process $process) |
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{ |
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$output = $process->getOutput(); |
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preg_match('/\[exit_code:(.*?)\]/', $output, $match); |
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if (!isset($match[1])) { |
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return -1; |
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} |
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$exitCode = (int)$match[1]; |
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return $exitCode; |
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} |
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private function initMultiplexing(Host $host) : Arguments |
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{ |
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$sshArguments = $host->getSshArguments()->withMultiplexing($host); |
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$controlPath = $sshArguments->getOption('ControlPath'); |
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$process = new Process("ssh $sshArguments -O check -S $controlPath $host 2>&1"); |
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$process->run(); |
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if (!preg_match('/Master running/', $process->getOutput()) && $this->output->isVeryVerbose()) { |
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$this->pop->writeln(Process::OUT, $host->getHostname(), 'ssh multiplexing initialization'); |
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} |
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return $sshArguments; |
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} |
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} |
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deployphp /
deployer
