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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Server\Status\Server\Disk; |
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use Innmind\Server\Status\{ |
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Server\Disk, |
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Server\Disk\Volume\MountPoint, |
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Server\Disk\Volume\Usage, |
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Server\Memory\Bytes, |
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Exception\DiskUsageNotAccessible |
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}; |
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use Innmind\Immutable\{ |
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MapInterface, |
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Str, |
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StreamInterface, |
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Sequence, |
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Map |
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}; |
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use Symfony\Component\Process\Process; |
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final class UnixDisk implements Disk |
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{ |
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private static $columns = [ |
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'Size' => 'size', |
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'Used' => 'used', |
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'Avail' => 'available', |
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'Use%' => 'usage', |
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'Capacity' => 'usage', |
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'Mounted' => 'mountPoint', |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function volumes(): MapInterface |
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{ |
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return $this->parse( |
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$this->run('df -lh') |
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); |
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} |
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public function get(MountPoint $point): Volume |
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{ |
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return $this |
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->volumes() |
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->get((string) $point); |
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} |
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private function run(string $command): Str |
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{ |
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$process = new Process($command); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new DiskUsageNotAccessible; |
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} |
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return new Str($process->getOutput()); |
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} |
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/** |
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* @return MapInterface<string, Volume> |
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*/ |
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private function parse(Str $output): MapInterface |
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{ |
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$lines = $output |
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->trim() |
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->split("\n"); |
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$columns = $lines |
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->first() |
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->pregSplit('~ +~') |
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->reduce( |
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new Sequence, |
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static function(Sequence $columns, Str $column): Sequence { |
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$column = (string) $column; |
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return $columns->add(self::$columns[$column] ?? $column); |
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} |
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); |
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return $lines |
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->drop(1) |
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->reduce( |
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new Sequence, |
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static function(Sequence $lines, Str $line) use ($columns): Sequence { |
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return $lines->add( |
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$line->pregSplit('~ +~', $columns->size()) |
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); |
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} |
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) |
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->map(function(StreamInterface $parts) use ($columns): Volume { |
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return new Volume( |
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new MountPoint( |
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(string) $parts->get($columns->indexOf('mountPoint')) |
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), |
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Bytes::fromString( |
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(string) $parts->get($columns->indexOf('size')) |
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), |
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Bytes::fromString( |
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(string) $parts->get($columns->indexOf('available')) |
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), |
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Bytes::fromString( |
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(string) $parts->get($columns->indexOf('used')) |
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), |
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new Usage( |
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(float) (string) $parts->get($columns->indexOf('usage')) |
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) |
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); |
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}) |
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->reduce( |
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new Map('string', Volume::class), |
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static function(Map $volumes, Volume $volume): Map { |
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return $volumes->put( |
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(string) $volume->mountPoint(), |
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$volume |
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); |
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} |
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); |
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} |
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} |
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Innmind /
ServerStatus
