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#! /usr/bin/perl -w -I ..
#
# Disk Space Tests via check_disk
#
# $Id: check_disk.t,v 1.14 2006/10/18 12:12:11 tonvoon Exp $
#
# TODO: Add in tests for perf data. Need to beef up Nagios::Plugin::Performance to cater for max, min, etc
use strict;
use Test::More;
use NPTest;
use POSIX qw(ceil floor);
my $successOutput = '/^DISK OK/';
my $failureOutput = '/^DISK CRITICAL/';
my $warningOutput = '/^DISK WARNING/';
my $result;
my $mountpoint_valid = getTestParameter( "NP_MOUNTPOINT_VALID", "Path to valid mountpoint", "/");
my $mountpoint2_valid = getTestParameter( "NP_MOUNTPOINT2_VALID", "Path to another valid mountpoint. Must be different from 1st one", "/var");
if ($mountpoint_valid eq "" or $mountpoint2_valid eq "") {
plan skip_all => "Need 2 mountpoints to test";
} else {
plan tests => 42;
}
$result = NPTest->testCmd(
"./check_disk -w 1% -c 1% -p $mountpoint_valid -w 1% -c 1% -p $mountpoint2_valid"
);
cmp_ok( $result->return_code, "==", 0, "Checking two mountpoints (must have at least 1% free)");
my $c = 0;
$_ = $result->output;
$c++ while /\(/g; # counts number of "(" - should be two
cmp_ok( $c, '==', 2, "Got two mountpoints in output");
# Calculate avg_free free on mountpoint1 and mountpoint2
# because if you check in the middle, you should get different errors
$_ = $result->output;
my ($free_on_mp1, $free_on_mp2) = (m/\((\d+)%.*\((\d+)%/);
die "Cannot parse output: $_" unless ($free_on_mp1 && $free_on_mp2);
my $avg_free = ceil(($free_on_mp1+$free_on_mp2)/2);
my ($more_free, $less_free);
if ($free_on_mp1 > $free_on_mp2) {
$more_free = $mountpoint_valid;
$less_free = $mountpoint2_valid;
} elsif ($free_on_mp1 < $free_on_mp2) {
$more_free = $mountpoint2_valid;
$less_free = $mountpoint_valid;
} else {
die "Two mountpoints are the same - cannot do rest of test";
}
$result = NPTest->testCmd( "./check_disk -w 1 -c 1 -p $more_free" );
cmp_ok( $result->return_code, '==', 0, "At least 1 MB available on $more_free");
like ( $result->output, $successOutput, "OK output" );
like ( $result->only_output, qr/free space/, "Have free space text");
like ( $result->only_output, qr/$more_free/, "Have disk name in text");
$result = NPTest->testCmd( "./check_disk -e -w 1 -c 1 -p $more_free" );
is( $result->only_output, "DISK OK", "No print out of disks with -e for OKs");
$result = NPTest->testCmd( "./check_disk 100 100 $more_free" );
cmp_ok( $result->return_code, '==', 0, "Old syntax okay" );
$result = NPTest->testCmd( "./check_disk -w 1% -c 1% -p $more_free" );
cmp_ok( $result->return_code, "==", 0, "At least 1% free" );
$result = NPTest->testCmd(
"./check_disk -w 1% -c 1% -p $more_free -w 100% -c 100% -p $less_free"
);
cmp_ok( $result->return_code, "==", 2, "Get critical on less_free mountpoint $less_free" );
like( $result->output, $failureOutput, "Right output" );
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c 0% -p $less_free"
);
cmp_ok( $result->return_code, '==', 1, "Get warning on less_free mountpoint, when checking avg_free");
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c $avg_free% -p $more_free"
);
cmp_ok( $result->return_code, '==', 0, "Get ok on more_free mountpoint, when checking avg_free");
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c 0% -p $less_free -w $avg_free% -c $avg_free% -p $more_free"
);
cmp_ok( $result->return_code, "==", 1, "Combining above two tests, get warning");
my $all_disks = $result->output;
$result = NPTest->testCmd(
"./check_disk -e -w $avg_free% -c 0% -p $less_free -w $avg_free% -c $avg_free% -p $more_free"
);
isnt( $result->output, $all_disks, "-e gives different output");
like( $result->output, qr/$less_free/, "Found problem $less_free");
unlike( $result->only_output, qr/$more_free/, "Has ignored $more_free as not a problem");
like( $result->perf_output, qr/$more_free/, "But $more_free is still in perf data");
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c 0% -p $more_free"
);
cmp_ok( $result->return_code, '==', 0, "Get ok on more_free mountpoint, checking avg_free");
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c $avg_free% -p $less_free"
);
cmp_ok( $result->return_code, '==', 2, "Get critical on less_free, checking avg_free");
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c 0% -p $more_free -w $avg_free% -c $avg_free% -p $less_free"
);
cmp_ok( $result->return_code, '==', 2, "Combining above two tests, get critical");
$result = NPTest->testCmd(
"./check_disk -w $avg_free% -c $avg_free% -p $less_free -w $avg_free% -c 0% -p $more_free"
);
cmp_ok( $result->return_code, '==', 2, "And reversing arguments should not make a difference");
TODO: {
local $TODO = "Invalid percent figures";
$result = NPTest->testCmd(
"./check_disk -w 10% -c 15% -p $mountpoint_valid"
);
cmp_ok( $result->return_code, '==', 3, "Invalid command line options" );
}
$result = NPTest->testCmd(
"./check_disk -p $mountpoint_valid -w 10% -c 15%"
);
cmp_ok( $result->return_code, "==", 3, "Invalid options: -p must come after thresholds" );
$result = NPTest->testCmd( "./check_disk -w 100% -c 100% ".${mountpoint_valid} ); # 100% empty
cmp_ok( $result->return_code, "==", 2, "100% empty" );
like( $result->output, $failureOutput, "Right output" );
$result = NPTest->testCmd( "./check_disk -w 100000 -c 100000 $mountpoint_valid" );
cmp_ok( $result->return_code, '==', 2, "Check for 100GB free" );
$result = NPTest->testCmd( "./check_disk -w 100 -c 100 -u GB ".${mountpoint_valid} ); # 100 GB empty
cmp_ok( $result->return_code, "==", 2, "100 GB empty" );
# Checking old syntax of check_disk warn crit [fs], with warn/crit at USED% thresholds
$result = NPTest->testCmd( "./check_disk 0 0 ".${mountpoint_valid} );
cmp_ok( $result->return_code, "==", 2, "Old syntax: 0% used");
$result = NPTest->testCmd( "./check_disk 100 100 $mountpoint_valid" );
cmp_ok( $result->return_code, '==', 0, "Old syntax: 100% used" );
$result = NPTest->testCmd( "./check_disk 0 100 $mountpoint_valid" );
cmp_ok( $result->return_code, '==', 1, "Old syntax: warn 0% used" );
TODO: {
local $TODO = "Invalid values";
$result = NPTest->testCmd( "./check_disk 0 200 $mountpoint_valid" );
cmp_ok( $result->return_code, '==', 3, "Old syntax: Error with values outside percent range" );
$result = NPTest->testCmd( "./check_disk 200 200 $mountpoint_valid" );
cmp_ok( $result->return_code, '==', 3, "Old syntax: Error with values outside percent range" );
$result = NPTest->testCmd( "./check_disk 200 0 $mountpoint_valid" );
cmp_ok( $result->return_code, '==', 3, "Old syntax: Error with values outside percent range" );
}
$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /bob" );
cmp_ok( $result->return_code, '==', 2, "Checking /bob - return error because /bob does not exist" );
cmp_ok( $result->output, 'eq', 'DISK CRITICAL - /bob does not exist', 'Output OK');
$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /" );
my $root_output = $result->output;
$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /etc" );
cmp_ok( $result->return_code, '==', 0, "Checking /etc - should return info for /" );
cmp_ok( $result->output, 'eq', $root_output, "check_disk /etc gives same as check_disk /");
$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p /etc -E" );
cmp_ok( $result->return_code, '==', 2, "... unless -E/--exact-match is specified");
$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p / -p /bob" );
cmp_ok( $result->return_code, '==', 2, "Checking / and /bob gives critical");
unlike( $result->perf_output, '/\/bob/', "perf data does not have /bob in it");
$result = NPTest->testCmd( "./check_disk -w 0% -c 0% -p / -p /" );
unlike( $result->output, '/ \/ .* \/ /', "Should not show same filesystem twice");
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