Improving detection of DVM state.

Author: grasmash

src/Robo/Inspector/Inspector.php

@@ -43,6 +43,11 @@ class Inspector implements BuilderAwareInterface, ConfigAwareInterface, LoggerAw
    */
   protected $isMySqlAvailable = NULL;
 
+  /**
+   * @var array
+   */
+  protected $drupalVmStatus = [];
+
   /**
    * The constructor.
    *
@@ -56,6 +61,7 @@ public function __construct(Executor $executor) {
   public function clearState() {
     $this->isDrupalInstalled = NULL;
     $this->isMySqlAvailable = NULL;
+    $this->drupalVmStatus = [];
   }
 
   /**
@@ -234,11 +240,10 @@ public function isDrupalVmConfigPresent() {
    *   TRUE if Drupal VM is initialized for the local machine.
    */
   public function isDrupalVmLocallyInitialized() {
-    // We assume that if the local drush alias is ${project.machine_name.local},
-    // rather than self, then Drupal VM is being used locally.
-    $drush_local_alias = $this->getConfigValue('drush.aliases.local');
-    $expected_vm_alias = $this->getConfigValue('project.machine_name') . '.local';
-    $initialized = ($drush_local_alias == $expected_vm_alias) && file_exists($this->getConfigValue('repo.root') . '/box/config.yml');
+    $status = $this->getDrupalVmStatus();
+    $machine_name = $this->getConfigValue('project.machine_name');
+    $initialized = !empty($status[$machine_name])
+      && file_exists($this->getConfigValue('repo.root') . '/box/config.yml');
     $statement = $initialized ? "is" : "is not";
     $this->logger->debug("Drupal VM $statement initialized.");
 
@@ -256,14 +261,11 @@ public function isDrupalVmBooted() {
       return FALSE;
     }
 
-    $result = $this->executor->execute("vagrant status")
-      ->printOutput(FALSE)
-      ->printMetadata(FALSE)
-      ->interactive(FALSE)
-      ->run();
-    $output = $result->getMessage();
+    $status = $this->getDrupalVmStatus();
+    $machine_name = $this->getConfigValue('project.machine_name');
+    $booted = !empty($status[$machine_name]['state'])
+      && $status[$machine_name]['state'] == 'running';
 
-    $booted = strstr($output, "running");
     $statement = $booted ? "is" : "is not";
     $this->logger->debug("Drupal VM $statement booted.");
 
@@ -504,4 +506,40 @@ public function isSimpleSamlPhpInstalled() {
     return $this->getConfig()->has('simplesamlphp') && $this->getConfigValue('simplesamlphp');
   }
 
+  /**
+   * Gets the value of $this->drupalVmStatus. Sets it if empty.
+   *
+   * @return array
+   *   An array of status data.
+   */
+  protected function getDrupalVmStatus() {
+    if (empty($this->drupalVmStatus)) {
+      $this->setDrupalVmStatus();
+    }
+    return $this->drupalVmStatus;
+  }
+
+  /**
+   * Sets $this->drupalVmStatus by executing `vagrant status`.
+   */
+  protected function setDrupalVmStatus() {
+    $result = $this->executor->execute("vagrant status --machine-readable")
+      ->printOutput(FALSE)
+      ->printMetadata(FALSE)
+      ->interactive(FALSE)
+      ->run();
+    $output = $result->getOutputData();
+    if (!$result->wasSuccessful() || !$output) {
+      return FALSE;
+    }
+    $lines = explode("\n", $output);
+    foreach ($lines as $line) {
+      if (count($line) < 4) {
+        continue;
+      }
+      list($timestamp, $target, $type, $data) = explode(',', $line);
+      $this->drupalVmStatus[$target][$type] = $data;
+    }
+  }
+
 }