#! /usr/bin/perl -w -I .. # # Test check_snmp by having an actual SNMP agent running # use strict; use Test::More; use NPTest; use FindBin qw($Bin); use POSIX qw/strftime/; my $tests = 67; # Check that all dependent modules are available eval { require NetSNMP::OID; require NetSNMP::agent; require NetSNMP::ASN; }; if ($@) { plan skip_all => "Missing required module for test: $@"; } else { if (-x "./check_snmp") { # check if snmpd has perl support my $test = `snmpd -c tests/conf/snmpd.conf -C -r -H 2>&1`; if(!defined $test) { plan skip_all => "snmpd required"; } elsif($test =~ m/Warning: Unknown token: perl/) { plan skip_all => "snmpd has no perl support"; } else { plan tests => $tests; } } else { plan skip_all => "No check_snmp compiled"; } } my $port_snmp = 16100 + int(rand(100)); my $faketime = -x '/usr/bin/faketime' ? 1 : 0; # Start up server my @pids; my $pid = fork(); if ($pid) { # Parent push @pids, $pid; # give our agent some time to startup sleep(1); } else { # Child #print "child\n"; print "Please contact SNMP at: $port_snmp\n"; close(STDERR); # Coment out to debug snmpd problems (most errors sent there are OK) exec("snmpd -c tests/conf/snmpd.conf -C -f -r udp:$port_snmp"); } END { foreach my $pid (@pids) { if ($pid) { print "Killing $pid\n"; kill "INT", $pid } } }; if ($ARGV[0] && $ARGV[0] eq "-d") { while (1) { sleep 100; } } # We should merge that with $ENV{'NPTEST_CACHE'}, use one dir for all test data $ENV{'MP_STATE_PATH'} ||= "/var/tmp"; my $res; $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.0"); cmp_ok( $res->return_code, '==', 0, "Exit OK when querying a multi-line string" ); like($res->output, '/^SNMP OK - /', "String contains SNMP OK"); like($res->output, '/'.quotemeta('SNMP OK - Cisco Internetwork Operating System Software | .1.3.6.1.4.1.8072.3.2.67.0: "Cisco Internetwork Operating System Software IOS (tm) Catalyst 4000 \"L3\" Switch Software (cat4000-I9K91S-M), Version 12.2(20)EWA, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2004 by cisco Systems, Inc. "').'/m', "String contains all lines"); # sysContact.0 is "Alice" (from our snmpd.conf) $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.0 -o sysContact.0 -o .1.3.6.1.4.1.8072.3.2.67.1"); cmp_ok( $res->return_code, '==', 0, "Exit OK when querying multi-line OIDs" ); like($res->output, '/^SNMP OK - /', "String contains SNMP OK"); like($res->output, '/'.quotemeta('SNMP OK - Cisco Internetwork Operating System Software ').'"?Alice"?'.quotemeta(' Kisco Outernetwork Oserating Gystem Totware | .1.3.6.1.4.1.8072.3.2.67.0: "Cisco Internetwork Operating System Software IOS (tm) Catalyst 4000 \"L3\" Switch Software (cat4000-I9K91S-M), Version 12.2(20)EWA, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2004 by cisco Systems, Inc. " .1.3.6.1.4.1.8072.3.2.67.1: "Kisco Outernetwork Oserating Gystem Totware Copyleft (c) 2400-2689 by kisco Systrems, Inc."').'/m', "String contains all lines with multiple OIDs"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.2"); like($res->output, '/'.quotemeta('SNMP OK - This should not confuse check_snmp \"parser\" | .1.3.6.1.4.1.8072.3.2.67.2: "This should not confuse check_snmp \"parser\" into thinking there is no 2nd line"').'/m', "Attempt to confuse parser No.1"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.3"); like($res->output, '/'.quotemeta('SNMP OK - It\'s getting even harder if the line | .1.3.6.1.4.1.8072.3.2.67.3: "It\'s getting even harder if the line ends with with this: C:\\\\"').'/m', "Attempt to confuse parser No.2"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.4"); like($res->output, '/'.quotemeta('SNMP OK - And now have fun with with this: \"C:\\\\\" | .1.3.6.1.4.1.8072.3.2.67.4: "And now have fun with with this: \"C:\\\\\" because we\'re not done yet!"').'/m', "Attempt to confuse parser No.3"); system("rm -f ".$ENV{'MP_STATE_PATH'}."/*/check_snmp/*"); # run rate checks with faketime. rate checks depend on the exact amount of time spend between the # plugin runs which may fail on busy machines. # using faketime removes this race condition and also saves all the sleeps in between. SKIP: { skip "No faketime binary found", 28 if !$faketime; my $ts = time(); $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -w 600" ); is($res->return_code, 0, "Returns OK"); is($res->output, "No previous data to calculate rate - assume okay"); # test rate 1 second later $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts+1))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -w 600" ); is($res->return_code, 1, "WARNING - due to going above rate calculation" ); is($res->output, "SNMP RATE WARNING - *666* | iso.3.6.1.4.1.8072.3.2.67.10=666;600 "); # test rate with same time $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts+1))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -w 600" ); is($res->return_code, 3, "UNKNOWN - basically the divide by zero error" ); is($res->output, "Time duration between plugin calls is invalid"); $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -l inoctets" ); is($res->return_code, 0, "OK for first call" ); is($res->output, "No previous data to calculate rate - assume okay" ); # test rate 1 second later $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts+1))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -l inoctets" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP RATE OK - inoctets 666 | inoctets=666 ", "Check label"); # test rate 3 seconds later $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts+3))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -l inoctets" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP RATE OK - inoctets 333 | inoctets=333 ", "Check rate decreases due to longer interval"); # label performance data check $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 -l test" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP OK - test 67996 | test=67996c ", "Check label"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 -l \"test'test\"" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP OK - test'test 68662 | \"test'test\"=68662c ", "Check label"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 -l 'test\"test'" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP OK - test\"test 69328 | 'test\"test'=69328c ", "Check label"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 -l test -O" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP OK - test 69994 | iso.3.6.1.4.1.8072.3.2.67.10=69994c ", "Check label"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP OK - 70660 | iso.3.6.1.4.1.8072.3.2.67.10=70660c ", "Check label"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 -l 'test test'" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP OK - test test 71326 | 'test test'=71326c ", "Check label"); $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -l inoctets_per_minute --rate-multiplier=60" ); is($res->return_code, 0, "OK for first call" ); is($res->output, "No previous data to calculate rate - assume okay" ); # test 1 second later $res = NPTest->testCmd("LC_TIME=C TZ=UTC faketime -f '".strftime("%Y-%m-%d %H:%M:%S", localtime($ts+1))."' ./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.10 --rate -l inoctets_per_minute --rate-multiplier=60" ); is($res->return_code, 0, "OK as no thresholds" ); is($res->output, "SNMP RATE OK - inoctets_per_minute 39960 | inoctets_per_minute=39960 ", "Checking multiplier"); }; $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.11 -s '\"stringtests\"'" ); is($res->return_code, 0, "OK as string matches" ); is($res->output, 'SNMP OK - "stringtests" | ', "Good string match" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.11 -s ring" ); is($res->return_code, 2, "CRITICAL as string doesn't match (though is a substring)" ); is($res->output, 'SNMP CRITICAL - *"stringtests"* | ', "Failed string match" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.11 --invert-search -s '\"stringtests\"'" ); is($res->return_code, 2, "CRITICAL as string matches but inverted" ); is($res->output, 'SNMP CRITICAL - *"stringtests"* | ', "Inverted string match" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.11 --invert-search -s ring" ); is($res->return_code, 0, "OK as string doesn't match but inverted" ); is($res->output, 'SNMP OK - "stringtests" | ', "OK as inverted string no match" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.12 -w 4:5" ); is($res->return_code, 1, "Numeric in string test" ); is($res->output, 'SNMP WARNING - *3.5* | iso.3.6.1.4.1.8072.3.2.67.12=3.5;4:5 ', "WARNING threshold checks for string masquerading as number" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.13" ); is($res->return_code, 0, "Not really numeric test" ); is($res->output, 'SNMP OK - "87.4startswithnumberbutshouldbestring" | ', "Check string with numeric start is still string" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.14" ); is($res->return_code, 0, "Not really numeric test (trying best to fool it)" ); is($res->output, 'SNMP OK - "555\"I said\"" | ', "Check string with a double quote following is still a string (looks like the perl routine will always escape though)" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.15 -r 'CUSTOM CHECK OK'" ); is($res->return_code, 0, "String check should check whole string, not a parsed number" ); is($res->output, 'SNMP OK - "CUSTOM CHECK OK: foo is 12345" | ', "String check witn numbers returns whole string"); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.16 -w -2: -c -3:" ); is($res->return_code, 0, "Negative integer check OK" ); is($res->output, 'SNMP OK - -2 | iso.3.6.1.4.1.8072.3.2.67.16=-2;-2:;-3: ', "Negative integer check OK output" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.16 -w -2: -c -3:" ); is($res->return_code, 1, "Negative integer check WARNING" ); is($res->output, 'SNMP WARNING - *-3* | iso.3.6.1.4.1.8072.3.2.67.16=-3;-2:;-3: ', "Negative integer check WARNING output" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.16 -w -2: -c -3:" ); is($res->return_code, 2, "Negative integer check CRITICAL" ); is($res->output, 'SNMP CRITICAL - *-4* | iso.3.6.1.4.1.8072.3.2.67.16=-4;-2:;-3: ', "Negative integer check CRITICAL output" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.17 -w -3: -c -6:" ); is($res->return_code, 1, "Negative integer as string, WARNING" ); is($res->output, 'SNMP WARNING - *-4* | iso.3.6.1.4.1.8072.3.2.67.17=-4;-3:;-6: ', "Negative integer as string, WARNING output" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.17 -w -2: -c -3:" ); is($res->return_code, 2, "Negative integer as string, CRITICAL" ); is($res->output, 'SNMP CRITICAL - *-4* | iso.3.6.1.4.1.8072.3.2.67.17=-4;-2:;-3: ', "Negative integer as string, CRITICAL output" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.18 -c '~:-6.5'" ); is($res->return_code, 0, "Negative float OK" ); is($res->output, 'SNMP OK - -6.6 | iso.3.6.1.4.1.8072.3.2.67.18=-6.6;;~:-6.5 ', "Negative float OK output" ); $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.18 -w '~:-6.65' -c '~:-6.55'" ); is($res->return_code, 1, "Negative float WARNING" ); is($res->output, 'SNMP WARNING - *-6.6* | iso.3.6.1.4.1.8072.3.2.67.18=-6.6;~:-6.65;~:-6.55 ', "Negative float WARNING output" );