Add containerExport(), containerCopy() and containerChanges() methods

Author: clue

src/Client.php

@@ -125,6 +125,30 @@ public function containerTop($container)
         return $this->browser->get($this->url('/containers/%s/top', $container))->then(array($this->parser, 'expectJson'));
     }
 
+    /**
+     * Inspect changes on container id's filesystem
+     *
+     * @param string $container container ID
+     * @return Promise Promise<array>
+     * @link https://docs.docker.com/reference/api/docker_remote_api_v1.15/#inspect-changes-on-a-containers-filesystem
+     */
+    public function containerChanges($container)
+    {
+        return $this->browser->get($this->url('/containers/%s/changes', $container))->then(array($this->parser, 'expectJson'));
+    }
+
+    /**
+     * Export the contents of container id
+     *
+     * @param string $container container ID
+     * @return Promise Promise<string> tar stream
+     * @link https://docs.docker.com/reference/api/docker_remote_api_v1.15/#export-a-container
+     */
+    public function containerExport($container)
+    {
+        return $this->browser->get($this->url('/containers/%s/export', $container))->then(array($this->parser, 'expectPlain'));
+    }
+
     /**
      * Resize the TTY of container id
      *
@@ -241,6 +265,18 @@ public function containerRemove($container, $v = false, $force = false)
         return $this->browser->delete($this->url('/containers/%s?v=%u&force=%u', $container, $v, $force))->then(array($this->parser, 'expectEmpty'));
     }
 
+    /**
+     * Copy files or folders of container id
+     *
+     * @param string $container container ID
+     * @param array  $config    resources to copy `array('Resource' => 'file.txt')` (see link)
+     * @return Promise Promise<string> tar stream
+     */
+    public function containerCopy($container, $config)
+    {
+        return $this->postJson($this->url('/containers/%s/copy', $container), $config)->then(array($this->parser, 'expectPlain'));
+    }
+
     /**
      * Sets up an exec instance in a running container id
      *

tests/ClientTest.php

@@ -60,6 +60,22 @@ public function testContainerTop()
         $this->expectPromiseResolveWith($json, $this->client->containerTop(123));
     }
 
+    public function testContainerChanges()
+    {
+        $json = array();
+        $this->expectRequestFlow('get', '/containers/123/changes', $this->createResponseJson($json), 'expectJson');
+
+        $this->expectPromiseResolveWith($json, $this->client->containerChanges(123));
+    }
+
+    public function testContainerExport()
+    {
+        $data = 'tar stream';
+        $this->expectRequestFlow('get', '/containers/123/export', $this->createResponse($data), 'expectPlain');
+
+        $this->expectPromiseResolveWith($data, $this->client->containerExport(123));
+    }
+
     public function testContainerWait()
     {
         $json = array();
@@ -139,6 +155,15 @@ public function testContainerResize()
         $this->expectPromiseResolveWith('', $this->client->containerResize(123, 800, 600));
     }
 
+    public function testContainerCopy()
+    {
+        $data = 'tar stream';
+        $config = array('Resource' => 'file.txt');
+        $this->expectRequestFlow('post', '/containers/123/copy', $this->createResponse($data), 'expectPlain');
+
+        $this->expectPromiseResolveWith($data, $this->client->containerCopy('123', $config));
+    }
+
     public function testExecCreate()
     {
         $json = array();