From b486e2ac126f0ccb3bccd4ba69ae8bfc436e6354 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Tue, 20 May 2008 21:36:21 +0000
Subject: Add --noupdate

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@351 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede
---
 nagios-check-apt-updates | 38 +++++++++++++++++++++-----------------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/nagios-check-apt-updates b/nagios-check-apt-updates
index 346a49d..b65e6a0 100755
--- a/nagios-check-apt-updates
+++ b/nagios-check-apt-updates
@@ -34,25 +34,27 @@ delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
 my $APT = '/usr/bin/apt-get';
 my $VERBOSE;
 
-sub do_check($$$$$) {
-	my ($pre_command, $timeout, $name, $updates_security, $updates_other) = @_;
+sub do_check($$$$$$) {
+	my ($pre_command, $timeout, $noupdate, $name, $updates_security, $updates_other) = @_;
 	my $fh;
 	my $pid;
 	my @command;
 
-	print STDERR "Running $APT update in $name\n" if $VERBOSE;
-	@command = ($APT, 'update');
-	unshift @command, @$pre_command;
-	$fh = new IO::Handle;
-	$pid = open2($fh, \*STDIN, @command) or die ("Cannot run $APT update in $name: $!\n");
-	local $SIG{ALRM} = sub { die "Timeout for apt-get update.\n" };
-	alarm $timeout;
-	my @ignore=<$fh>;
-	alarm 0;
-	close $fh;
-	waitpid $pid, 0;
-	if ($CHILD_ERROR) { # program failed
-		die("$APT update returned with non-zero exit code in $name: ".($CHILD_ERROR / 256)."\n");
+	unless ($noupdate) {
+		print STDERR "Running $APT update in $name\n" if $VERBOSE;
+		@command = ($APT, 'update');
+		unshift @command, @$pre_command;
+		$fh = new IO::Handle;
+		$pid = open2($fh, \*STDIN, @command) or die ("Cannot run $APT update in $name: $!\n");
+		local $SIG{ALRM} = sub { die "Timeout for apt-get update.\n" };
+		alarm $timeout;
+		my @ignore=<$fh>;
+		alarm 0;
+		close $fh;
+		waitpid $pid, 0;
+		if ($CHILD_ERROR) { # program failed
+			die("$APT update returned with non-zero exit code in $name: ".($CHILD_ERROR / 256)."\n");
+		};
 	};
 
 	print STDERR "Running $APT --simulate upgrade in $name\n" if $VERBOSE;
@@ -107,6 +109,7 @@ if (!GetOptions (
 	'--help'		=> \$params->{'help'},
 	'--version'		=> \$params->{'version'},
 	'--sudo'		=> \$params->{'sudo'},
+	'--noupdate'		=> \$params->{'noupdate'},
 	'--nosudo'		=> \$params->{'nosudo'},
 	'--verbose'		=> \$params->{'verbose'},
 	'--warnifupdates'	=> \$params->{'warnifupdates'},
@@ -124,6 +127,7 @@ if ($params->{'help'}) {
 	print "  --help              Print this short help.\n";
 	print "  --version           Report version number.\n";
 	print "  --sudo              Use sudo to call apt-get (default).\n";
+	print "  --noupdate          Do not run apt-get update first.\n";
 	print "  --nosudo            Do not use sudo to call apt-get.\n";
 	print "  --warnifupdates     Exit with a WARNING status if any updates are available.\n";
 	print "  --timeout=<timeout> Timeout in seconds for each of the two apt-get runs.\n";
@@ -186,7 +190,7 @@ for my $root (@chroots) {
 	my @pre_command = ();
 	unshift @pre_command, 'chroot', $root if ($root ne '/');
 	unshift @pre_command, 'sudo' if $use_sudo;
-	do_check(\@pre_command, $params->{'timeout'}, $root, \@updates_security, \@updates_other);
+	do_check(\@pre_command, $params->{'timeout'}, $params->{'noupdate'}, $root, \@updates_security, \@updates_other);
 }
 
 # Make sure vserver names are nice;
@@ -202,7 +206,7 @@ for my $vserver (@vservers) {
 	my @pre_command = ();
 	unshift @pre_command, '/usr/sbin/vserver', $vserver, 'exec';
 	unshift @pre_command, 'sudo' if $use_sudo;
-	do_check(\@pre_command, $params->{'timeout'}, $vserver, \@updates_security, \@updates_other);
+	do_check(\@pre_command, $params->{'timeout'}, $params->{'noupdate'}, $vserver, \@updates_security, \@updates_other);
 }
 
 
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