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-rwxr-xr-xhosts/wbd0-armhf-rb/usr/local/bin/dsa-check-packages339
1 files changed, 339 insertions, 0 deletions
diff --git a/hosts/wbd0-armhf-rb/usr/local/bin/dsa-check-packages b/hosts/wbd0-armhf-rb/usr/local/bin/dsa-check-packages
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+++ b/hosts/wbd0-armhf-rb/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};
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