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<?php |
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namespace Spatie\Tail; |
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use Exception; |
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use Illuminate\Console\Command; |
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use Spatie\Ssh\Ssh; |
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use Symfony\Component\Process\Process; |
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class TailCommand extends Command |
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{ |
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protected $signature = 'tail {environment?} |
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{--lines=0 : Output the last number of lines} |
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{--clear : Clear the terminal screen}'; |
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protected $description = 'Tail the latest logfile'; |
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public function handle() |
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{ |
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$this->handleClearOption(); |
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$environment = $this->argument('environment'); |
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is_null($environment) |
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? $this->tailLocally() |
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: $this->tailRemotely($environment); |
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} |
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protected function handleClearOption() |
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{ |
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if (! $this->option('clear')) { |
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return; |
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} |
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$this->output->write(sprintf("\033\143\e[3J")); |
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} |
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protected function tailLocally(): void |
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{ |
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$logDirectory = storage_path('logs'); |
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Process::fromShellCommandline($this->getTailCommand(), $logDirectory) |
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->setTty(true) |
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->setTimeout(null) |
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->run(function ($type, $line) { |
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$this->handleClearOption(); |
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$this->output->write($line); |
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}); |
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} |
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protected function tailRemotely(string $environment): void |
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{ |
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$environmentConfig = $this->getEnvironmentConfiguration($environment); |
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Ssh::create($environmentConfig['user'], $environmentConfig['host']) |
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->configureProcess(fn (Process $process) => $process->setTty(true)) |
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->onOutput(function ($type, $line) { |
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$this->handleClearOption(); |
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$this->output->write($line); |
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}) |
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->execute([ |
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"cd {$environmentConfig['log_directory']}", |
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$this->getTailCommand($environmentConfig['log_directory']), |
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]); |
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} |
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protected function getEnvironmentConfiguration(string $environment): array |
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{ |
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$config = config('tail'); |
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if (! isset($config[$environment])) { |
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throw new Exception("No configuration set for environment `{$environment}`. Make sure this environment is specified in the `tail` config file!"); |
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} |
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return $config[$environment]; |
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} |
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public function getTailCommand(): string |
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{ |
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return 'tail -f -n '.$this->option('lines').' "`ls -t | head -1`"'; |
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} |
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} |
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spatie /
laravel-tail
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