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<?php |
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/* this file is part of pipelines */ |
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namespace Ktomk\Pipelines\Runner; |
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use Ktomk\Pipelines\Cli\Exec; |
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use Ktomk\Pipelines\Cli\Streams; |
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use Ktomk\Pipelines\File\Pipeline; |
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use Ktomk\Pipelines\File\Step; |
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/** |
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* Pipeline runner with docker under the hood |
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*/ |
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class Runner |
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{ |
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const STATUS_NO_STEPS = 1; |
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const STATUS_RECURSION_DETECTED = 127; |
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/** |
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* @var string |
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*/ |
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private $prefix; |
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/** |
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* @var Directories |
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*/ |
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private $directories; |
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/** |
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* @var Exec |
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*/ |
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private $exec; |
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/** |
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* @var Flags |
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*/ |
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private $flags; |
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/** |
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* @var Env |
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*/ |
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private $env; |
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/** |
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* @var Streams |
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*/ |
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private $streams; |
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/** |
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* Static factory method. |
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* |
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* The "ex" version of runner creation, moving creation out of the ctor itself. |
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* |
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* @param string $prefix |
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* @param Directories $directories source repository root directory based directories object |
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* @param Exec $exec |
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* @param Flags $flags [optional] |
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* @param Env $env [optional] |
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* @param Streams $streams [optional] |
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* @return Runner |
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*/ |
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public static function createEx( |
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$prefix, |
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Directories $directories, |
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Exec $exec, |
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Flags $flags = null, |
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Env $env = null, |
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Streams $streams = null |
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) |
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{ |
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$flags = null === $flags ? new Flags() : $flags; |
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$env = null === $env ? Env::create() : $env; |
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$streams = null === $streams ? Streams::create() : $streams; |
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return new self($prefix, $directories, $exec, $flags, $env, $streams); |
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} |
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/** |
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* Runner constructor. |
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* |
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* @param string $prefix |
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* @param Directories $directories source repository root directory based directories object |
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* @param Exec $exec |
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* @param Flags $flags |
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* @param Env $env |
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* @param Streams $streams |
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*/ |
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public function __construct( |
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$prefix, |
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Directories $directories, |
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Exec $exec, |
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Flags $flags, |
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Env $env, |
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Streams $streams |
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) |
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{ |
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$this->prefix = $prefix; |
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$this->directories = $directories; |
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$this->exec = $exec; |
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$this->flags = $flags; |
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$this->env = $env; |
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$this->streams = $streams; |
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} |
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/** |
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* @param Pipeline $pipeline |
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* @throws \RuntimeException |
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* @return int status (as in exit status, 0 OK, !0 NOK) |
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*/ |
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public function run(Pipeline $pipeline) |
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{ |
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$hasId = $this->env->setPipelinesId($pipeline->getId()); # TODO give Env an addPipeline() method (compare addReference) |
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if ($hasId) { |
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$this->streams->err(sprintf( |
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"pipelines: won't start pipeline '%s'; pipeline inside pipelines recursion detected\n", |
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$pipeline->getId() |
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)); |
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return self::STATUS_RECURSION_DETECTED; |
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} |
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3 |
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foreach ($pipeline->getSteps() as $step) { |
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$status = $this->runStep($step); |
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if (0 !== $status) { |
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return $status; |
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} |
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} |
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2 |
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if (!isset($status)) { |
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$this->streams->err("pipelines: pipeline with no step to execute\n"); |
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return self::STATUS_NO_STEPS; |
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} |
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return $status; |
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} |
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/** |
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* @param Step $step |
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* @return int status (as in exit status, 0 OK, !0 NOK) |
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*/ |
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public function runStep(Step $step) { |
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$stepRunner = new StepRunner( |
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$this->prefix, |
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1 |
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$this->directories, |
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1 |
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$this->exec, |
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1 |
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$this->flags, |
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1 |
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$this->env, |
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1 |
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$this->streams |
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); |
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1 |
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return $stepRunner->runStep($step); |
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} |
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} |
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ktomk /
pipelines
