add updates-check support using uec-query-builds

1 files changed, 35 insertions, 0 deletions

diff --git a/tools/motd-hook b/tools/motd-hook
new file mode 100755
index 00000000..c6bec62d
--- /dev/null
+++ b/tools/motd-hook
@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+#    92-ec2-upgrade-available - update-motd script
+#
+#    Copyright (C) 2010 Canonical Ltd.
+#
+#    Authors: Scott Moser <smoser@ubuntu.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, version 3 of the License.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# Determining if updates are available is possibly slow.
+# a cronjob runs occasioinally and updates a file with information
+# on the latest available release (if newer than current)
+
+BUILD_FILE=/var/lib/cloud/data/available.build
+
+[ -s "${BUILD_FILE}" ] || exit 0
+
+read suite build_name name serial < "${BUILD_FILE}"
+
+cat <<EOF
+A newer build of the Ubuntu ${suite} ${build_name} image is available.
+It is named '${name}' and has build serial '${serial}'.
+EOF