#!/usr/bin/perl
+# checkallused
+# check that the configuration is sane and backs up everything it should
+#
+# This file is part of chiark backup, a system for backing up GNU/Linux and
+# other UN*X-compatible machines, as used on chiark.greenend.org.uk.
+#
+# chiark backup is:
+# Copyright (C) 1997-1998,2000-2001 Ian Jackson <ian@chiark.greenend.org.uk>
+# Copyright (C) 1999 Peter Maydell <pmaydell@chiark.greenend.org.uk>
+#
+# This 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; either version 2, or (at your option) any later version.
+#
+# This 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, write to the Free Software Foundation, Inc.,
+# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# All filesystems must either be backed up in both full and
+# incremental dumps or listed as exceptions.
BEGIN {
- $etc= '/etc/backup';
+ $etc= '/etc/chiark-backup';
require "$etc/settings.pl";
require 'backuplib.pl';
}
$tape= $next;
}
+proc checkdevspec ($$$) {
+ my ($atf,$devspec,$why);
+ push @{ $devspec{$atf}{$devspec} }, $why;
+}
+
for $fsg (sort keys %fsgdone) {
print "filesystem group $fsg: ".join(' ',@{$fsgdone{$fsg}}).":\n ";
@fsys= ();
readfsys($fsg);
for $tf (@fsys) {
parsefsys();
- $pstr= $prefix ne '<local>' ? "$prefix:$atf" : $atf;
+ $pstr= "$pcstr$atf";
&e("dumped twice ($backed{$pstr}, $fsg): $pstr")
if defined $backed{$pstr};
$backed{$pstr}= $fsg;
+ checkdevspec($pstr,"$pcstr$dev","filesystem group $fsg")
+ if length $dev;
print " $pstr";
}
print "\n";
readfsys('all');
for $tf (@fsys) {
parsefsys();
- $pstr= $prefix ne '<local>' ? "$prefix:$atf" : $atf;
+ $pstr= "$pcstr$atf";
$incrd{$pstr}= $fsg;
+ checkdevspec($pstr,"$pcstr$dev","incremental group") if length $dev;
print " $pstr";
}
print "\n";
$cmd= "$rstr $dfstr";
open X, "$cmd |" or die $!;
$_= <X>; m/^Filesystem/ or die "$cmd => $_ ?";
- $ppstr= length($pfx) ? $pfx : '<local>';
- $pstr= length($pfx) ? "$pfx:" : '';
- print "mount points: $ppstr:";
+ $prefix= length($pfx) ? $pfx : '<local>';
+ $pcstr= length($pfx) ? "$pfx:" : '';
+ print "mount points: $prefix:";
while (<X>) {
chomp;
next if m,^procfs\s,;
m,^/dev/(\S+)\s.*\s(/\S*)\s*$, or die "$_ ?";
($dev,$mp) = ($1,$2);
- $mounted{"$pstr$mp"}="$pstr$dev"; print " $1-$2";
- if (defined($backto= $backed{"$pstr$mp"})) {
+ checkdevspec("$pcstr$imp","$pcstr/dev/$dev","df");
+ $mounted{"$pcstr$mp"}="$pcstr$dev"; print " $1-$2";
+ if (defined($backto= $backed{"$pcstr$mp"})) {
if (m,^/dev/\S+\s+\d+\s+(\d+)\s,) {
$usedkb{$backto} += $1;
} else {
$usedkb{$backto} += 0;
- $unkkb{$backto} .= " + $pstr$mp";
+ $unkkb{$backto} .= " + $prefix:$mp";
}
}
}
print "\n";
- $!=0; close(X); $? and die "$cmd $? $!";
+ $!=0; close(X); $? and die "$? $!";
}
foreach $fsg (keys %usedkb) {
print "filesystem group $fsg: $usedkb{$fsg} 1K-blocks$unkkb{$fsg}\n";
}
+foreach $dsk (keys $devspec) {
+ if (@{ $devspec{$dsk} } != 1) {
+ foreach $devspec @{ $devspec{$dsk} } {
+ &e("inconsistent devices for $dsk: $devspec");
+ }
+ }
+}
+
+# We check that all mounted filesystems are dumped and all
+# filesystems to be dumped are mounted. The expected-diffs
+# config file allows us to make exceptions.
+# eg:
+# #expect disk2 to be mounted but not dumped
+# !/disk2
+# # CD may or may not be mounted but should not be dumped in either case
+# ?/cdrom
+
open Z,"$etc/expected-diffs" or die $!;
for (;;) {
$_= <Z> or die; chomp; s/\s*$//;
last if m/^end$/;
next unless m/^\S/;
next if m/^\#/;
- if (s/^\!//) {
+ if (s/^\?//) {
+ print "non-permanent filesystem expected not to be dumped: $_\n";
+ if (defined($mounted{$_})) {
+ delete $mounted{$_};
+ }
+ } elsif (s/^\!//) {
&e("expected not to be dumped, but not a mount point: $_")
unless defined($mounted{$_});
print "filesystem expected not to be dumped: $_\n";
for $fs (sort keys %backed) { length($mounted{$fs}) || &e("dumped ($backed{$fs}), not a mount point: $fs"); }
for $fs (sort keys %incrd) { length($mounted{$fs}) || &e("increm'd ($incrd{$fs}), not a mount point: $fs"); }
-for $fs (sort keys %mounted) { length($backed{$fs}) || &e("mount point ($mounted{$fs}), not dumped: $fs"); }
+for $fs (sort keys %mounted) {
+ next if $backed{$fs}
+ length($backed{$fs}) || &e("mount point ($mounted{$fs}), not dumped: $fs"); }
for $fs (sort keys %mounted) { length($incrd{$fs}) || &e("mount point ($mounted{$fs}), not increm'd: $fs"); }
$emsg.= "configuration ok\n" unless $e;