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<?php |
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/* (c) Anton Medvedev <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Deployer\Stage; |
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use Deployer\Collection\Collection; |
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use Deployer\Server\Environment; |
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use Deployer\Server\EnvironmentCollection; |
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use Deployer\Server\Local; |
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use Deployer\Server\ServerCollection; |
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class StageStrategy implements StageStrategyInterface |
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{ |
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const PARAM_DEFAULT_STAGE = 'default_stage'; |
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/** |
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* @var EnvironmentCollection |
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*/ |
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private $environments; |
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/** |
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* @var ServerCollection |
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*/ |
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private $servers; |
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/** |
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* @var Collection |
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*/ |
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private $parameters; |
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public function __construct(ServerCollection $servers, EnvironmentCollection $environments, Collection $parameters) |
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{ |
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$this->servers = $servers; |
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$this->environments = $environments; |
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$this->parameters = $parameters; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getServers($stage) |
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{ |
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$servers = []; |
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// Get a default stage (if any) if no stage given |
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if (empty($stage)) { |
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$stage = $this->getDefaultStage(); |
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} |
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if (!empty($stage)) { |
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// Look for servers which has in env `stages` current stage name. |
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foreach ($this->environments as $name => $env) { |
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// If server does not have any stage category, skip them |
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if (in_array($stage, $env->get('stages', []), true)) { |
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$servers[$name] = $this->servers->get($name); |
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} |
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} |
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// If still is empty, try to find server by name. |
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if (empty($servers)) { |
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if ($this->servers->has($stage)) { |
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$servers = [$stage => $this->servers->get($stage)]; |
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} else { |
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// Nothing found. |
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throw new \RuntimeException("Stage or server `$stage` was not found."); |
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} |
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} |
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} else { |
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// Otherwise run on all servers what does not specify stage. |
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foreach ($this->environments as $name => $env) { |
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if (!$env->has('stages')) { |
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$servers[$name] = $this->servers->get($name); |
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} |
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} |
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} |
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if (empty($servers)) { |
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if (count($this->servers) === 0) { |
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$local = new Local(); |
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$this->environments['localhost'] = new Environment(); |
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$servers = ['localhost' => $local]; |
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} else { |
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throw new \RuntimeException('You need to specify at least one server or stage.'); |
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} |
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} |
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return $servers; |
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} |
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/** |
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* Returns the default stage |
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* |
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* @return string|null |
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*/ |
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public function getDefaultStage() |
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{ |
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if (! $this->parameters->has(self::PARAM_DEFAULT_STAGE)) { |
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return null; |
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} |
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return $this->parameters->get(self::PARAM_DEFAULT_STAGE); |
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} |
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} |
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deployphp /
deployer
