diff options
Diffstat (limited to 'hosts/profitbricks-build2-amd64/usr/local/bin/dsa-check-packages')
| -rwxr-xr-x | hosts/profitbricks-build2-amd64/usr/local/bin/dsa-check-packages | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/hosts/profitbricks-build2-amd64/usr/local/bin/dsa-check-packages b/hosts/profitbricks-build2-amd64/usr/local/bin/dsa-check-packages new file mode 100755 index 00000000..3ea088d9 --- /dev/null +++ b/hosts/profitbricks-build2-amd64/usr/local/bin/dsa-check-packages @@ -0,0 +1,339 @@ +#!/usr/bin/perl + +# dsa-check-packages + +# checks for obsolete/local and upgradeable packages. +# +# packages for the obsolete/local check can be ignored, by +# listing their full name in /etc/nagios/obsolete-packages-ignore +# or by having a regex (starting a line with "/") that matches +# the packagename in said file. +# +# Takes one optional argument, the location of the ignore file. + + +# Copyright (C) 2008, 2009 Peter Palfrader <peter@palfrader.org> +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +use strict; +use warnings; +use English; + +my $IGNORE = "/etc/nagios/obsolete-packages-ignore"; +my $IGNORED = "/etc/nagios/obsolete-packages-ignore.d"; + +my %CODE = ( + 'OK' => 0, + 'WARNING' => 1, + 'CRITICAL' => 2, + 'UNKNOWN' => 3 +); +my $EXITCODE = 'OK'; +sub record($) { + my ($newexit) = @_; + die "code $newexit not defined\n" unless defined $CODE{$newexit}; + + if ($CODE{$newexit} > $CODE{$EXITCODE}) { + $EXITCODE = $newexit; + }; +} + + + +sub get_packages { + $ENV{'COLUMNS'} = 1000; + $ENV{'LC_ALL'} = 'C'; + open(F, "dpkg -l|") or die ("Cannot run dpkg: $!\n"); + my @lines = <F>; + close(F); + chomp(@lines); + + my $line; + my $has_arch = 0; + while (defined($line = shift @lines) && ($line !~ /\+\+\+/)) { + if ($line =~ /Architecture/) { $has_arch = 1; } + } + + my %pkgs; + for $line (@lines) { + my ($state, $pkg, $version, $arch, undef) = split(/ */, $line); + $arch = '' unless $has_arch; + $pkgs{$state}{$pkg} = { 'installed' => $version, arch => $arch } + } + + my $installed = $pkgs{'ii'}; + delete $pkgs{'ii'}; + + my @installed_packages = keys(%$installed); + my @cmd = ("apt-cache", "policy", @installed_packages); + + open my $olderr, ">&STDERR" or die "Can't dup STDERR: $!"; + open STDERR, ">/dev/null" or die "Can't dup STDOUT: $!"; + open (F, "-|", @cmd) or die ("Cannot run apt-cache policy: $!\n"); + @lines = <F>; + close(F); + open STDERR, ">&", $olderr or die "Can't dup OLDERR: $!"; + chomp(@lines); + + my $pkgname = undef; + while (defined($line = shift @lines)) { + if ($line =~ /^([^ ]*):$/) { + # when we have multi-arch capable fu, we require that + # apt-cache policy output is in the same order as its + # arguments. + # + # We needs thi, because the output block in apt-cache + # policy does not show the arch: + # + # | weasel@stanley:~$ apt-cache policy libedit2:amd64 + # | libedit2: + # | Installed: 2.11-20080614-5 + # | Candidate: 2.11-20080614-5 + # + # We replace the package name in the output with the + # one we asked for ($pkg:$arch) - but to match this up + # sanely we need the order to be correct. + # + # For squeeze systems (no m-a), apt-cache policy output + # is all different. + $pkgname = $1; + if ($has_arch) { + my $from_list = shift @installed_packages; + next if ($pkgname eq $from_list); # no :$arch in pkgname we asked for + + my $ma_fix_pkgname = $pkgname.':'.$installed->{$from_list}->{'arch'}; + my $ma_fix_from_list = $from_list.':'.$installed->{$from_list}->{'arch'}; + + if ($pkgname eq $ma_fix_from_list || # e.g. ia32-libs-i386. dpkg -l: ia32-libs-i386, apt-cache policy: ia32-libs-i386:i386 + $ma_fix_pkgname eq $from_list) { + $pkgname = $from_list; + } else { + die "Unexpected order mismatch in apt-cache policy output (apt-cache policy name: $pkgname - dpkg -l name: $from_list)\n"; + } + } + } elsif ($line =~ /^ +Installed: (.*)$/) { + # etch dpkg -l does not print epochs, so use this info, it's better + $installed->{$pkgname}{'installed'} = $1; + } elsif ($line =~ /^ +Candidate: (.*)$/) { + $installed->{$pkgname}{'candidate'} = $1; + } elsif ($line =~ /^ +\*\*\*/) { + $line = shift @lines; + my @l = split(/ +/, $line); + $installed->{$pkgname}{'origin'} = $l[2]; + } + } + + my (%current, %obsolete, %outofdate); + for my $pkgname (keys %$installed) { + my $pkg = $installed->{$pkgname}; + + unless (defined($pkg->{'candidate'}) && defined($pkg->{'origin'})) { + $obsolete{$pkgname} = $pkg; + next; + } + + if ($pkg->{'candidate'} ne $pkg->{'installed'}) { + $outofdate{$pkgname} = $pkg; + next; + }; + if ($pkg->{'origin'} eq '/var/lib/dpkg/status') { + $obsolete{$pkgname} = $pkg; + next; + } + $current{$pkgname} = $pkg; + } + + $pkgs{'current'} = \%current; + $pkgs{'outofdate'} = \%outofdate; + $pkgs{'obsolete'} = \%obsolete; + return \%pkgs; +} + +sub load_ignores { + my ($ignorefiles, $require_file) = @_; + + my @ignores; + + for my $ignoreitem (@$ignorefiles) { + next if (!$require_file and ! -e $ignoreitem); + + my @filestoopen; + if (-d $ignoreitem) { + opendir(DIR, $ignoreitem) or die ("Cannot open dir $ignoreitem: $!\n"); + @filestoopen = readdir(DIR); + closedir(DIR); + + @filestoopen = grep { -f ($ignoreitem.'/'.$_) } @filestoopen; + @filestoopen = grep { /^([a-z0-9_.-]+)+[a-z0-9]+$/i } @filestoopen; + @filestoopen = grep { !/dpkg-(old|dist|new|tmp)$/ } @filestoopen; + @filestoopen = map { ($ignoreitem.'/'.$_) } @filestoopen; + } else { + push @filestoopen, $ignoreitem; + } + + for my $f (@filestoopen) { + open (F, "< $f") or die ("Cannot open $f: $!\n"); + push @ignores, <F>; + close F; + } + } + chomp(@ignores); + return \@ignores; +} + +sub check_ignore { + my ($pkg, $ignores) = @_; + + my $ignore_this = 0; + for my $ignore (@$ignores) { + my $ig = $ignore; + return 1 if ($ig eq $pkg); + if (substr($ig,0,1) eq '/') { + substr($ig, 0, 1, ''); + $ig =~ s,/$,,; + return 1 if ($pkg =~ /$ig/); + } + } + return 0 +} + +sub filter_ignored { + my ($packages, $ignores) = @_; + + my $obs = $packages->{'obsolete'}; + + my (%ignored, %bad); + for my $pkg (keys %$obs) { + if (check_ignore($pkg, $ignores)) { + $ignored{$pkg} = $obs->{$pkg}; + } else { + $bad{$pkg} = $obs->{$pkg}; + }; + } + delete $packages->{'obsolete'}; + $packages->{'obsolete'} = \%bad; + $packages->{'obsolete-ignored'} = \%ignored; +}; + +sub usage { + my ($fd, $exit) = @_; + print $fd "Usage: $PROGRAM_NAME [<ignorefile|dir> [<ignorefile|dir> ...]]\n"; + exit $exit; +} + +my $ignorefiles = [$IGNORE, $IGNORED]; +my $ignorefile_userset = 0; +if (@ARGV >= 1) { + usage(\*STDOUT, 0) if ($ARGV[0] eq "-h"); + usage(\*STDOUT, 0) if ($ARGV[0] eq "--help"); + $ignorefile_userset = 1; + $ignorefiles = \@ARGV; +}; + +my $ignores = load_ignores($ignorefiles, $ignorefile_userset); +my $packages = get_packages(); + +filter_ignored($packages, $ignores); + + + +my @reportform = ( + { 'key' => 'obsolete', + 'listpackages' => 1, + 'long' => "%d local or obsolete packages: %s", + 'short' => "%d obs/loc", + 'perf' => "obs_loc=%d;1;5;0", + 'status' => 'WARNING' }, + { 'key' => 'outofdate', + 'listpackages' => 1, + 'long' => "%d out of date packages: %s", + 'short' => "%d updates", + 'perf' => "outdated=%d;1;5;0", + 'status' => 'WARNING' }, + { 'key' => 'current', + 'listpackages' => 0, + 'long' => "%d packages current.", + 'short' => "%d ok", + 'perf' => "current=%d;;;0", + 'status' => 'OK' }, + { 'key' => 'obsolete-ignored', + 'listpackages' => 1, + 'long' => "%d whitelisted local or obsolete packages: %s", + 'short' => "%d obs/loc(ignored)", + 'perf' => "obs_ign=%d;;;0", + 'status' => 'OK' }, + { 'key' => 'rc', + 'listpackages' => 1, + 'long' => "%d packages removed but not purged: %s", + 'short' => "%d rc", + 'perf' => "rm_unprg=%d;;;0", + 'status' => 'OK' }, + { 'key' => 'hi', + 'listpackages' => 1, + 'long' => "%d packages on hold: %s", + 'short' => "%d hi", + 'perf' => "hold=%d;;;0", + 'status' => 'OK' }, + { 'key' => 'pc', + 'listpackages' => 1, + 'long' => "%d packages requested to be purged but conffiles still installed: %s", + 'short' => "%d pc", + 'perf' => "prg_conf=%d;1;;0", + 'status' => 'WARNING' }, + ); + +my @longout; +my @perfout; +my @shortout; +for my $form (@reportform) { + my $pkgs = $packages->{$form->{'key'}}; + delete $packages->{$form->{'key'}}; + my $num = scalar keys %$pkgs; + push @perfout, sprintf($form->{'perf'}, $num); + next unless ($num > 0); + if ($form->{'listpackages'}) { + my $list = join(", ", keys %$pkgs); + push @longout, sprintf($form->{'long'}, $num, $list); + } else { + push @longout, sprintf($form->{'long'}, $num); + }; + push @shortout, sprintf($form->{'short'}, $num); + record($form->{'status'}); +}; +if (scalar keys %$packages) { + record('WARNING'); + unshift @shortout, "unk: ".join(", ", keys %$packages); + for my $status (sort {$b cmp $a} keys %$packages) { + my $pkgs = $packages->{$status}; + my $list = join(", ", keys %$pkgs); + unshift @longout, "Unknown package status $status: $list"; + }; +} + +my $shortout = $EXITCODE.": ".join(", ", @shortout); +my $longout = join("\n", @longout); +my $perfout = "|".join(" ", @perfout); + +print $shortout,"\n"; +print $longout,"\n"; +print $perfout,"\n"; + +exit $CODE{$EXITCODE}; |