Code reuse on inspecting a docker container

src/Container/Container.php

@@ -167,13 +167,7 @@ class Container
         $this->process = new Process($params);
         $this->process->mustRun();
 
-        $inspect = new Process(['docker', 'inspect', $this->id]);
+        $this->inspectedData = $this->getContainerInspect($this->id);
-        $inspect->mustRun();
-
-        /** @var ContainerInspectSingleNetwork|ContainerInspectMultipleNetworks $inspectedData  */
-        $inspectedData = json_decode($inspect->getOutput(), true, 512, JSON_THROW_ON_ERROR);
-
-        $this->inspectedData = $inspectedData;
 
         Registry::add($this);
 

src/Trait/DockerContainerAwareTrait.php

@@ -24,11 +24,7 @@ trait DockerContainerAwareTrait
     protected function getContainerAddress(string $containerId, ?string $networkName = null, ?array $inspectedData = null): string
     {
         if (! is_array($inspectedData)) {
-            $process = new Process(['docker', 'inspect', $containerId]);
+            $inspectedData = $this->getContainerInspect($containerId);
-            $process->mustRun();
-
-            /** @var ContainerInspect $inspectedData */
-            $inspectedData = json_decode($process->getOutput(), true, 512, JSON_THROW_ON_ERROR);
         }
 
         if (is_string($networkName)) {
@@ -47,4 +43,19 @@ trait DockerContainerAwareTrait
 
         throw new UnexpectedValueException('Unable to find container IP address');
     }
+
+    /**
+     * @param string $containerId
+     * @return ContainerInspect
+     *
+     * @throws JsonException
+     */
+    protected function getContainerInspect(string $containerId): array
+    {
+        $process = new Process(['docker', 'inspect', $containerId]);
+        $process->mustRun();
+
+        /** @var ContainerInspect */
+        return json_decode($process->getOutput(), true, 512, JSON_THROW_ON_ERROR);
+    }
 }