TPT-3319: Add support for Apply Linode Firewalls (#492)

* Add support for linode/instances/:id/firewalls/apply

* updating the test image

---------

Co-authored-by: ykim-1 <ykim@akamai.com>
Co-authored-by: Lena Garber <114949949+lgarber-akamai@users.noreply.github.com>

Author: 3 people

linode_api4/objects/linode.py

@@ -1639,6 +1639,22 @@ def firewalls(self):
             for firewall in result["data"]
         ]
 
+    def apply_firewalls(self):
+        """
+        Reapply assigned firewalls to a Linode in case they were not applied successfully.
+
+        API Documentation: https://techdocs.akamai.com/linode-api/reference/post-apply-firewalls
+
+        :returns: Returns True if the operation was successful
+        :rtype: bool
+        """
+
+        self._client.post(
+            "{}/firewalls/apply".format(Instance.api_endpoint), model=self
+        )
+
+        return True
+
     def nodebalancers(self):
         """
         View a list of NodeBalancers that are assigned to this Linode and readable by the requesting User.

test/integration/models/linode/test_linode.py

@@ -453,6 +453,14 @@ def test_linode_firewalls(linode_with_volume_firewall):
     assert "firewall" in firewalls[0].label
 
 
+def test_linode_apply_firewalls(linode_with_volume_firewall):
+    linode = linode_with_volume_firewall
+
+    result = linode.apply_firewalls()
+
+    assert result
+
+
 def test_linode_volumes(linode_with_volume_firewall):
     linode = linode_with_volume_firewall
 

test/unit/objects/linode_test.py

@@ -284,6 +284,19 @@ def test_firewalls(self):
             self.assertEqual(m.call_url, "/linode/instances/123/firewalls")
             self.assertEqual(len(result), 1)
 
+    def test_apply_firewalls(self):
+        """
+        Tests that you can submit a correct apply firewalls api request
+        """
+        linode = Instance(self.client, 123)
+
+        with self.mock_post({}) as m:
+            result = linode.apply_firewalls()
+            self.assertEqual(
+                m.call_url, "/linode/instances/123/firewalls/apply"
+            )
+            self.assertEqual(result, True)
+
     def test_volumes(self):
         """
         Tests that you can submit a correct volumes api request