don't complain if extra_k3s_args not passed into config file (#78)

* don't complain if extra_k3s_args not passed in

* update screenshot

Author: jessebot

docs/screenshots/help_text.svg

@@ -1,6 +1,6 @@
 [tool.poetry]
 name          = "smol_k8s_lab"
-version       = "0.11.1"
+version       = "0.11.2"
 description   = "bootstrap simple projects on kubernetes with kind and k3s"
 authors       = ["Jesse Hitch <[email protected]>",
                  "Max Roby <[email protected]>"]

pyproject.toml

@@ -87,7 +87,8 @@ def install_k8s_distro(k8s_distro=""):
         install_kind_cluster()
     elif k8s_distro == "k3s":
         from .k8s_distros.k3s import install_k3s_cluster
-        install_k3s_cluster(USR_CONFIG_FILE['extra_k3s_args'])
+        extra_args = USR_CONFIG_FILE.get('extra_k3s_args', [])
+        install_k3s_cluster(extra_args)
     elif k8s_distro == "k0s":
         from .k8s_distros.k0s import install_k0s_cluster
         install_k0s_cluster()