Refactor Runtime to allow custom implementation

src/Mage/Runtime/Runtime.php

@@ -20,14 +20,8 @@ use Mage\Runtime\Exception\InvalidEnvironmentException;
  *
  * @author Andrés Montañez <andresmontanez@gmail.com>
  */
-class Runtime
+class Runtime implements RuntimeInterface
 {
-    const PRE_DEPLOY = 'pre-deploy';
-    const ON_DEPLOY = 'on-deploy';
-    const POST_DEPLOY = 'post-deploy';
-    const ON_RELEASE = 'on-release';
-    const POST_RELEASE = 'post-release';
-
     /**
      * @var array Magallanes configuration
      */
@@ -72,7 +66,7 @@ class Runtime
      * Sets the Release ID
      *
      * @param string $releaseId Release ID
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setReleaseId($releaseId)
     {
@@ -94,7 +88,7 @@ class Runtime
      * Sets the Runtime in Rollback mode On or Off
      *
      * @param bool $inRollback
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setRollback($inRollback)
     {
@@ -117,7 +111,7 @@ class Runtime
      *
      * @param mixed $key Variable name
      * @param mixed $value Variable value
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setVar($key, $value)
     {
@@ -145,7 +139,7 @@ class Runtime
      * Sets the Logger instance
      *
      * @param LoggerInterface $logger Logger instance
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setLogger(LoggerInterface $logger = null)
     {
@@ -157,7 +151,7 @@ class Runtime
      * Sets the Magallanes Configuration to the Runtime
      *
      * @param array $configuration Configuration
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setConfiguration($configuration)
     {
@@ -223,7 +217,7 @@ class Runtime
      * Sets the working Environment
      *
      * @param string $environment Environment name
-     * @return Runtime
+     * @return RuntimeInterface
      * @throws InvalidEnvironmentException
      */
     public function setEnvironment($environment)
@@ -250,7 +244,7 @@ class Runtime
      * Sets the working stage
      *
      * @param string $stage Stage code
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setStage($stage)
     {
@@ -290,7 +284,7 @@ class Runtime
      * Sets the working Host
      *
      * @param string $host Host name
-     * @return Runtime
+     * @return RuntimeInterface
      */
     public function setWorkingHost($host)
     {
@@ -331,9 +325,9 @@ class Runtime
     public function runCommand($cmd, $timeout = 120)
     {
         switch ($this->getStage()) {
-            case self::ON_DEPLOY:
-            case self::ON_RELEASE:
-            case self::POST_RELEASE:
+            case RuntimeInterface::ON_DEPLOY:
+            case RuntimeInterface::ON_RELEASE:
+            case RuntimeInterface::POST_RELEASE:
                 return $this->runRemoteCommand($cmd, true, $timeout);
                 break;
             default:
@@ -396,6 +390,11 @@ class Runtime
         return $this->runLocalCommand($cmdLocal, $timeout);
     }
 
+    /**
+     * Get the SSH configuration based on the environment
+     *
+     * @return array
+     */
     public function getSSHConfig()
     {
         $sshConfig = $this->getEnvironmentConfig('ssh', ['port' => '22', 'flags' => '-q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no']);