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<?php |
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/* this file is part of pipelines */ |
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namespace Ktomk\Pipelines\Cli\Docker; |
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use Ktomk\Pipelines\Cli\Exec; |
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use Ktomk\Pipelines\Lib; |
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/** |
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* Process manager for docker container |
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*/ |
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class ProcessManager |
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{ |
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/** |
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* @var Exec |
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*/ |
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private $exec; |
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public function __construct(Exec $exec) |
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{ |
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$this->exec = $exec; |
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} |
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/** |
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* @param string $name |
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* |
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* @return null|array|string[] 0 or more ids, null if subsystem |
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* unavailable, subsystem error or unsupported parameter |
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*/ |
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public function findAllContainerIdsByName($name) |
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{ |
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$ids = null; |
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$status = $this->exec->capture( |
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'docker', |
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array( |
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'ps', '--no-trunc', '-qa', '--filter', |
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"name=^/\\Q${name}\\E$", |
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), |
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$result |
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); |
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$status || $ids = Lib::lines($result); |
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return $ids; |
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} |
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/** |
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* container ids by name prefix of running and stopped containers |
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* |
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* @param string $prefix |
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* |
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* @return null|array of ids, null if an internal error occurred |
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*/ |
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public function findAllContainerIdsByNamePrefix($prefix) |
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{ |
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return $this->psPrefixImpl($prefix, true); |
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} |
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/** |
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* @param string $name |
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* |
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* @return null|string |
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*/ |
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public function findContainerIdByName($name) |
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{ |
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$ids = $this->findAllContainerIdsByName($name); |
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if (null === $ids || !(is_array($ids) && 1 === count($ids))) { |
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return null; |
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} |
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return $ids[0]; |
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} |
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/** |
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* container ids by name prefix of running containers |
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* |
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* @param string $prefix |
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* |
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* @return null|array of ids, null if an internal error occurred |
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*/ |
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public function findRunningContainerIdsByNamePrefix($prefix) |
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{ |
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return $this->psPrefixImpl($prefix); |
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} |
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/** |
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* @param string|string[] $idOrIds |
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* |
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* @return int |
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*/ |
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public function kill($idOrIds) |
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{ |
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return $this->exec->capture('docker', Lib::merge('kill', func_get_args())); |
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} |
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/** |
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* @param string|string[] $idOrIds |
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* |
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* @return int |
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*/ |
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public function remove($idOrIds) |
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{ |
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return $this->exec->capture('docker', Lib::merge('rm', func_get_args())); |
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} |
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/** |
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* @param string $name |
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*/ |
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public function zapContainersByName($name) |
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{ |
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$ids = $this->findAllContainerIdsByName($name); |
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if (!$ids) { |
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return; |
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} |
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$this->zap($ids); |
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} |
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/** |
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* @param string|string[] $idOrIds |
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*/ |
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public function zap($idOrIds) |
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{ |
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$this->kill($idOrIds); |
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$this->remove($idOrIds); |
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} |
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/** |
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* @param string $prefix |
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* @param bool $all |
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* |
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* @return null|array |
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*/ |
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private function psPrefixImpl($prefix, $all = false) |
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{ |
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$ids = null; |
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if (0 === preg_match('(^[a-zA-Z0-9][a-zA-Z0-9_.-]+$)', $prefix)) { |
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throw new \InvalidArgumentException( |
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sprintf('Invalid container name prefix "%s"', $prefix) |
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); |
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} |
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2 |
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$status = $this->exec->capture( |
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2 |
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'docker', |
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array( |
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2 |
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'ps', '-q' . ($all ? 'a' : ''), '--no-trunc', '--filter', |
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"name=^/${prefix}", |
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), |
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2 |
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$result |
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); |
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154
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2 |
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$status || $ids = Lib::lines($result); |
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156
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2 |
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return $ids; |
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} |
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158
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} |
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159
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|
ktomk /
pipelines
