add general signal handlers

A cloud-init job (user-data) might invoke /sbin/reboot or in some other
way end up killing cloud-init.  Rather than spewing the stack trace,
we just print a nicer message.

1 files changed, 4 insertions, 0 deletions

diff --git a/bin/cloud-init b/bin/cloud-init
index 1f017475..a6ad14a6 100755
--- a/bin/cloud-init
+++ b/bin/cloud-init
@@ -35,6 +35,7 @@ if os.path.exists(os.path.join(possible_topdir, "cloudinit", "__init__.py")):
 
 from cloudinit import log as logging
 from cloudinit import netinfo
+from cloudinit import signal_handler
 from cloudinit import sources
 from cloudinit import stages
 from cloudinit import templater
@@ -494,6 +495,9 @@ def main():
     if args.debug:
         logging.setupBasicLogging()
 
+    # Setup signal handlers before running
+    signal_handler.attach_handlers()
+
     (name, functor) = args.action
     return functor(name, args)