From eacfb8fe53b4bb6fab15e2fd8c34acc350214a8c Mon Sep 17 00:00:00 2001
From: Josh Kearney <josh@jk0.org>
Date: Fri, 16 Mar 2012 15:16:51 -0500
Subject: Capture SIGTERM and Shut down python services cleanly.

This is the first step in clean shut downs. Does not yet support eventlet threads.

Change-Id: Ibcd26ed61cf56947a8bdbe291d87cb211fc1ccd8
---
 nova/service.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/nova/service.py b/nova/service.py
index 1da10e697..c77419432 100644
--- a/nova/service.py
+++ b/nova/service.py
@@ -21,6 +21,7 @@
 
 import inspect
 import os
+import signal
 
 import eventlet
 import greenlet
@@ -126,6 +127,15 @@ class Launcher(object):
         :returns: None
 
         """
+        def sigterm(sig, frame):
+            LOG.audit(_("SIGTERM received"))
+            # NOTE(jk0): Raise a ^C which is caught by the caller and cleanly
+            # shuts down the service. This does not yet handle eventlet
+            # threads.
+            raise KeyboardInterrupt
+
+        signal.signal(signal.SIGTERM, sigterm)
+
         for service in self._services:
             try:
                 service.wait()
-- 
cgit