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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\Component\Ssh; |
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use Deployer\Deployer; |
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use Deployer\Exception\RunException; |
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use Deployer\Host\Host; |
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use Deployer\Component\ProcessRunner\Printer; |
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use Deployer\Logger\Logger; |
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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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private $output; |
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private $pop; |
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private $logger; |
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public function __construct(OutputInterface $output, Printer $pop, Logger $logger) |
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{ |
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$this->output = $output; |
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$this->pop = $pop; |
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$this->logger = $logger; |
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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 = $host->hostname(); |
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$defaults = [ |
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'timeout' => $host->get('default_timeout', 300), |
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]; |
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$config = array_merge($defaults, $config); |
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$sshArguments = $host->getSshArguments(); |
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$become = $host->has('become') ? 'sudo -H -u ' . $host->get('become') : ''; |
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if ($host->sshMultiplexing()) { |
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$sshArguments = $this->initMultiplexing($host); |
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} |
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$shellCommand = $host->shell(); |
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if (strtolower(substr(PHP_OS, 0, 3)) === 'win') { |
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$ssh = "ssh $sshArguments $hostname $become \"$shellCommand; printf '[exit_code:%s]' $?;\""; |
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} else { |
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$ssh = "ssh $sshArguments $hostname $become '$shellCommand; printf \"[exit_code:%s]\" $?;'"; |
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} |
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// -vvv for ssh command |
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if ($this->output->isDebug()) { |
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$this->pop->writeln(Process::OUT, $host, "$ssh"); |
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} |
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$this->pop->command($host, $command); |
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$this->logger->log("[{$host->alias()}] run $command"); |
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$terminalOutput = $this->pop->callback($host); |
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$callback = function ($type, $buffer) use ($host, $terminalOutput) { |
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$this->logger->printBuffer($host, $type, $buffer); |
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$terminalOutput($type, $buffer); |
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}; |
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$process = $this->createProcess($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($callback); |
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$output = $this->pop->filterOutput($process->getOutput()); |
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$exitCode = $this->parseExitStatus($process); |
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if ($exitCode !== 0) { |
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$trace = debug_backtrace(); |
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throw new RunException( |
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basename($trace[1]['file']), |
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$trace[1]['line'], |
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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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public function connect(Host $host) |
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{ |
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if ($host->sshMultiplexing()) { |
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$this->initMultiplexing($host); |
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} |
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} |
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private function initMultiplexing(Host $host) |
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{ |
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$sshArguments = $host->getSshArguments()->withMultiplexing($host); |
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if (!$this->isMultiplexingInitialized($host, $sshArguments)) { |
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$hostname = $host->hostname(); |
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if ($this->output->isDebug()) { |
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$this->pop->writeln(Process::OUT, $host, '<info>ssh multiplexing initialization</info>'); |
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$this->pop->writeln(Process::OUT, $host, "ssh -N $sshArguments $hostname"); |
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} |
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$output = $this->exec("ssh -N $sshArguments $hostname"); |
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if ($this->output->isDebug()) { |
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$this->pop->printBuffer(Process::OUT, $host, $output); |
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} |
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} |
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return $sshArguments; |
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} |
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private function isMultiplexingInitialized(Host $host, Arguments $sshArguments) |
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{ |
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$process = $this->createProcess("ssh -O check $sshArguments {$host->alias()} 2>&1"); |
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$process->run(); |
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return (bool)preg_match('/Master running/', $process->getOutput()); |
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} |
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private function exec($command, &$exitCode = null) |
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{ |
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$descriptors = [ |
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['pipe', 'r'], |
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['pipe', 'w'], |
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['pipe', 'w'], |
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]; |
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// Don't read from stderr, there is a bug in OpenSSH_7.2p2 (stderr doesn't closed with ControlMaster) |
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$process = proc_open($command, $descriptors, $pipes); |
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if (is_resource($process)) { |
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fclose($pipes[0]); |
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$output = stream_get_contents($pipes[1]); |
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fclose($pipes[1]); |
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fclose($pipes[2]); |
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$exitCode = proc_close($process); |
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} else { |
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$output = 'proc_open failure'; |
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$exitCode = 1; |
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} |
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return $output; |
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} |
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private function createProcess($command) |
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{ |
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if (method_exists('Symfony\Component\Process\Process', 'fromShellCommandline')) { |
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return Process::fromShellCommandline($command); |
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} else { |
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return new Process($command); |
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} |
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} |
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} |
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deployphp /
deployer
