[cleanup.inc] added traps for SIGINT and SIGTERM

Upon SIGINT and SIGTERM, cleanexit is called. At the moment, checks for
mounts done by chroot and tries to umount them.
TODO: make the cleanup modular instead of writing the stuff directly
inside cleanexit. A-la 'cleanup.d' for example.

1 files changed, 29 insertions, 0 deletions

diff --git a/remote/includes/cleanup.inc b/remote/includes/cleanup.inc
new file mode 100644
index 00000000..144d7fd9
--- /dev/null
+++ b/remote/includes/cleanup.inc
@@ -0,0 +1,29 @@
+# -----------------------------------------------------------------------------
+#
+# Copyright (c) 2014 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your suggestions, praise, or complaints to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org/
+# -----------------------------------------------------------------------------
+#
+#						Trapped cleanup functions
+#
+# -----------------------------------------------------------------------------
+
+# run 'cleanexit' when CTRL-c is pressed, an abrupt program termination or exit happens
+trap cleanexit SIGINT SIGTERM
+
+# main cleaner function
+cleanexit() {
+	pinfo "SIGINT/SIGTERM triggered - cleaning up ..."
+	# unmount and remove the temporary chroot stuff
+	chroot_cleanup_mounts
+
+	# TODO vmware etc/vmware/config stuff here, if it is still needed
+
+}