From 582ef74a61dcf7c0b061ba7261fca0706015fbd7 Mon Sep 17 00:00:00 2001
From: yuvipanda <yuvipanda@gmail.com>
Date: Wed, 27 Jun 2018 18:07:59 -0700
Subject: [PATCH] Restart JupyterHub after each install

Restarting JupyterHub should be non-disruptive, and helps
make the config changes come true ASAP.
---
 tljh/installer.py |  2 +-
 tljh/systemd.py   | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/tljh/installer.py b/tljh/installer.py
index ee5efe2..a6707ca 100644
--- a/tljh/installer.py
+++ b/tljh/installer.py
@@ -73,4 +73,4 @@ conda.ensure_conda_packages(USER_ENV_PREFIX, [
 ])
 systemd.reload_daemon()
 systemd.start_service('configurable-http-proxy')
-systemd.start_service('jupyterhub')
+systemd.restart_service('jupyterhub')
diff --git a/tljh/systemd.py b/tljh/systemd.py
index cef33e6..1951da7 100644
--- a/tljh/systemd.py
+++ b/tljh/systemd.py
@@ -46,3 +46,14 @@ def start_service(name):
         'start',
         name
     ], check=True)
+
+
+def restart_service(name):
+    """
+    Restart service with given name.
+    """
+    subprocess.run([
+        'systemctl',
+        'restart',
+        name
+    ], check=True)