From 05bb9668f4c67012711b4a966c22636d88c08906 Mon Sep 17 00:00:00 2001
From: Roger Luethi <rl@patchworkscience.org>
Date: Wed, 18 Jun 2014 09:53:54 +0200
Subject: [PATCH] Scripts to clean disk and shut down

This changeset adds two simple scripts: one fills the unused space
of the root disk with zeroes to allow for better compression of the
resulting disk image, the other shuts the computer down.

Partial-Bug: 1312764
Implements: blueprint openstack-training-labs
Change-Id: I2e80518733b0e1e17a59192c6e2522f423709551
---
 labs/scripts/shutdown.sh   | 13 +++++++++++++
 labs/scripts/zero_empty.sh | 12 ++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 labs/scripts/shutdown.sh
 create mode 100644 labs/scripts/zero_empty.sh

diff --git a/labs/scripts/shutdown.sh b/labs/scripts/shutdown.sh
new file mode 100644
index 00000000..fd51ab82
--- /dev/null
+++ b/labs/scripts/shutdown.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
+source "$TOP_DIR/config/paths"
+source "$LIB_DIR/functions.guest"
+
+indicate_current_auto
+
+exec_logfile
+
+echo "Shutting down"
+
+# Shutdown some time after returning so our caller has time to finish
+sudo -b sh -c 'sleep 2; /sbin/shutdown -P now'
diff --git a/labs/scripts/zero_empty.sh b/labs/scripts/zero_empty.sh
new file mode 100644
index 00000000..bfff5fd5
--- /dev/null
+++ b/labs/scripts/zero_empty.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
+source "$TOP_DIR/config/paths"
+source "$LIB_DIR/functions.guest"
+
+indicate_current_auto
+
+exec_logfile
+
+# Fill unused disk space with zeroes (the disk image is easier to compress when
+# it doesn't contain leftovers from deleted files)
+zero_empty_space