Add "show system image storage" op mode command.

As the name indicates, it tells you how much disk space each
image occupies.

1 files changed, 66 insertions, 0 deletions

diff --git a/scripts/show-image-storage.pl b/scripts/show-image-storage.pl
new file mode 100644
index 0000000..00a5112
--- /dev/null
+++ b/scripts/show-image-storage.pl
@@ -0,0 +1,66 @@
+#!/usr/bin/perl
+
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2010 Vyatta, Inc.
+# All Rights Reserved.
+#
+# Author: Bob Gilligan
+# Date: April 30, 2010
+# Description: Script to display disk storage used by images
+#
+# **** End License ****
+
+use strict;
+use warnings;
+use Getopt::Long;
+
+
+#
+# Main section
+#
+
+# Figure out where the images live...
+my $imagedir = "/live/image/boot";
+if (! -e $imagedir) {
+    # Must be running on Old non-image system.
+    $imagedir = "/boot";
+    if (! -e $imagedir) {
+	printf("Can't locate system image directory!\n");
+	exit 1;
+    }
+}
+
+my $bootlist=`/opt/vyatta/bin/vyatta-boot-image.pl --list`;
+
+my @bootlist_arr = split(/\n/, $bootlist);
+
+printf("Image name                        Read-Only   Read-Write        Total\n");
+printf("------------------------------ ------------ ------------ ------------\n");
+
+foreach my $image (@bootlist_arr) {
+    my $total;
+    my $read_only;
+    my $read_write;
+    my $string;
+    my $garbage;
+
+    if ( -e "$imagedir/$image") {
+	$string = `du -s $imagedir/$image`;
+	($total, $garbage) = split(' ', $string);
+	$string = `du -s $imagedir/$image/*.squashfs`;
+	($read_only, $garbage) = split(' ', $string);
+	$read_write = $total - $read_only;
+	printf("%-30s %12d %12d %12d\n", $image, $read_only, $read_write,
+	       $total);
+    }
+}