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<?php |
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/* this file is part of pipelines */ |
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namespace Ktomk\Pipelines; |
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use Ktomk\Pipelines\File\Artifacts; |
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use Ktomk\Pipelines\File\Image; |
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use Ktomk\Pipelines\File\ParseException; |
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class Step |
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{ |
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/** |
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* @var array |
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*/ |
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private $step; |
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/** |
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* @var Pipeline |
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*/ |
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private $pipeline; |
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/** |
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* Step constructor. |
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* @param Pipeline $pipeline |
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* @param array $step |
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*/ |
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public function __construct(Pipeline $pipeline, array $step) |
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{ |
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// quick validation: image name |
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File::validateImage($step); |
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// quick validation: script |
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$this->parseScript($step); |
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$this->pipeline = $pipeline; |
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$this->step = $step; |
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} |
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/** |
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* @return null|Artifacts |
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*/ |
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public function getArtifacts() |
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{ |
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return isset($this->step['artifacts']) |
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? new Artifacts($this->step['artifacts']) |
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: null; |
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} |
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/** |
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* @return Image |
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*/ |
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public function getImage() |
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{ |
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return isset($this->step['image']) |
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? new Image($this->step['image']) |
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: $this->pipeline->getFile()->getImage(); |
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} |
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/** |
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* @return null|string |
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*/ |
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public function getName() |
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{ |
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return isset($this->step['name']) |
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? (string)$this->step['name'] |
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: null; |
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} |
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/** |
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* @return array|string[] |
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*/ |
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public function getScript() |
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{ |
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return $this->step['script']; |
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} |
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/** |
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* Specify data which should be serialized to JSON |
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* |
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* @return array |
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*/ |
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public function jsonSerialize() |
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{ |
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$image = $this->getImage(); |
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$image = null === $image ? "" : $image->jsonSerialize(); |
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return array( |
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'name' => $this->getName(), |
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'image' => $image, |
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'script' => $this->getScript(), |
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'artifacts' => $this->getArtifacts(), |
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); |
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} |
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/** |
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* Parse a step script section |
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* |
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* @param array $step |
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*/ |
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private function parseScript(array $step) |
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{ |
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if (!isset($step['script'])) { |
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ParseException::__("'step' requires a script"); |
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} |
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if (!count($step['script']) || !is_array($step['script'])) { |
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ParseException::__("'script' requires a list of commands"); |
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} |
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foreach ($step['script'] as $index => $line) { |
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if (!is_scalar($line) && !is_null($line)) { |
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ParseException::__( |
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sprintf( |
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"'script' requires a list of commands, step #%d is not a command", |
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$index |
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) |
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); |
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} |
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} |
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} |
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} |
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ktomk /
pipelines
