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<?php |
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declare(strict_types=1); |
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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\Component\ProcessRunner\Printer; |
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use Deployer\Exception\RunException; |
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use Deployer\Exception\TimeoutException; |
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use Deployer\Host\Host; |
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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\Exception\ProcessTimedOutException; |
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use Symfony\Component\Process\Process; |
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class SshClient |
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{ |
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private OutputInterface $output; |
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private Printer $pop; |
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private Logger $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 $config = []): string |
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{ |
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$defaults = [ |
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'timeout' => $host->get('default_timeout', 300), |
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'idle_timeout' => null, |
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'real_time_output' => false, |
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'no_throw' => false, |
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]; |
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$config = array_merge($defaults, $config); |
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$shellId = 'id$' . bin2hex(random_bytes(10)); |
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$shellCommand = $host->getShell(); |
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if ($host->has('become') && !empty($host->get('become'))) { |
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$shellCommand = "sudo -H -u {$host->get('become')} " . $shellCommand; |
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} |
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$ssh = array_merge(['ssh'], $host->connectionOptionsArray(), [$host->connectionString(), ": $shellId; $shellCommand"]); |
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// -vvv for ssh command |
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if ($this->output->isDebug()) { |
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$sshString = $ssh[0]; |
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for ($i = 1; $i < count($ssh); $i++) { |
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$sshString .= ' ' . escapeshellarg((string) $ssh[$i]); |
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} |
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$this->output->writeln("[$host] $sshString"); |
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} |
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$this->pop->command($host, 'run', $command); |
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$this->logger->log("[{$host->getAlias()}] run $command"); |
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$command = str_replace('%secret%', strval($config['secret'] ?? ''), $command); |
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$command = str_replace('%sudo_pass%', strval($config['sudo_pass'] ?? ''), $command); |
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$process = new Process($ssh); |
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$process |
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->setInput($command) |
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->setTimeout((null === $config['timeout']) ? null : (float) $config['timeout']) |
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->setIdleTimeout((null === $config['idle_timeout']) ? null : (float) $config['idle_timeout']); |
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$callback = function ($type, $buffer) use ($config, $host) { |
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$this->logger->printBuffer($host, $type, $buffer); |
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$this->pop->callback($host, boolval($config['real_time_output']))($type, $buffer); |
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}; |
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try { |
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$process->run($callback); |
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} catch (ProcessTimedOutException $exception) { |
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// Let's try to kill all processes started by this command. |
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$pid = $this->run($host, "ps x | grep $shellId | grep -v grep | awk '{print \$1}'"); |
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// Minus before pid means all processes in this group. |
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$this->run($host, "kill -9 -$pid"); |
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throw new TimeoutException( |
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$command, |
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$exception->getExceededTimeout(), |
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); |
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} |
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$output = $process->getOutput(); |
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$exitCode = $process->getExitCode(); |
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if ($exitCode !== 0 && !$config['no_throw']) { |
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throw new RunException( |
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$host, |
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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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} |
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If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: