Use yaml.safe_load

See #718 for rationale.

examples/create_deployment.py

@@ -26,7 +26,7 @@ def main():
     config.load_kube_config()
 
     with open(path.join(path.dirname(__file__), "nginx-deployment.yaml")) as f:
-        dep = yaml.load(f)
+        dep = yaml.safe_load(f)
         k8s_beta = client.ExtensionsV1beta1Api()
         resp = k8s_beta.create_namespaced_deployment(
             body=dep, namespace="default")

kubernetes/e2e_test/test_extensions.py

@@ -50,7 +50,7 @@ spec:
         - containerPort: 80
 '''
         resp = api.create_namespaced_deployment(
-            body=yaml.load(deployment % name),
+            body=yaml.safe_load(deployment % name),
             namespace="default")
         resp = api.read_namespaced_deployment(name, 'default')
         self.assertIsNotNone(resp)