1#! /usr/bin/perl -w -I ..
2#
3# Simple Network Management Protocol (SNMP) Test via check_snmp
4#
5#
6
7use strict;
8use Test::More;
9use NPTest;
10
11BEGIN {
12    plan skip_all => 'check_snmp is not compiled' unless -x "./check_snmp";
13    plan tests => 63;
14}
15
16my $res;
17
18my $host_snmp          = getTestParameter("NP_HOST_SNMP", "A host providing an SNMP Service", "localhost");
19my $snmp_community     = getTestParameter("NP_SNMP_COMMUNITY", "The SNMP Community string for SNMP Testing (assumes snmp v1)", "public");
20my $host_nonresponsive = getTestParameter("NP_HOST_NONRESPONSIVE", "The hostname of system not responsive to network requests", "10.0.0.1");
21my $hostname_invalid   = getTestParameter("NP_HOSTNAME_INVALID", "An invalid (not known to DNS) hostname", "nosuchhost");
22my $user_snmp          = getTestParameter("NP_SNMP_USER", "An SNMP user", "auth_md5");
23
24
25$res = NPTest->testCmd( "./check_snmp -t 1" );
26is( $res->return_code, 3, "No host name" );
27is( $res->output, "No host specified" );
28
29$res = NPTest->testCmd( "./check_snmp -H fakehostname" );
30is( $res->return_code, 3, "No OIDs specified" );
31is( $res->output, "No OIDs specified" );
32
33$res = NPTest->testCmd( "./check_snmp -H fakehost -o oids -P 3 -U not_a_user --seclevel=rubbish" );
34is( $res->return_code, 3, "Invalid seclevel" );
35like( $res->output, "/check_snmp: Invalid seclevel - rubbish/" );
36
37$res = NPTest->testCmd( "./check_snmp -H fakehost -o oids -P 3c" );
38is( $res->return_code, 3, "Invalid protocol" );
39like( $res->output, "/check_snmp: Invalid SNMP version - 3c/" );
40
41SKIP: {
42    skip "no snmp host defined", 50 if ( ! $host_snmp );
43
44    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -w 1: -c 1:");
45    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying uptime" );
46    like($res->output, '/^SNMP OK - (\d+)/', "String contains SNMP OK");
47    $res->output =~ /^SNMP OK - (\d+)/;
48    my $value = $1;
49    cmp_ok( $value, ">", 0, "Got a time value" );
50    like($res->perf_output, "/sysUpTime.*$1/", "Got perfdata with value '$1' in it");
51
52
53    # some more threshold tests
54    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1");
55    cmp_ok( $res->return_code, '==', 2, "Threshold test -c 1" );
56
57    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1:");
58    cmp_ok( $res->return_code, '==', 0, "Threshold test -c 1:" );
59
60    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c ~:1");
61    cmp_ok( $res->return_code, '==', 2, "Threshold test -c ~:1" );
62
63    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1:10");
64    cmp_ok( $res->return_code, '==', 2, "Threshold test -c 1:10" );
65
66    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c \@1:10");
67    cmp_ok( $res->return_code, '==', 0, "Threshold test -c \@1:10" );
68
69    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 10:1");
70    cmp_ok( $res->return_code, '==', 0, "Threshold test -c 10:1" );
71
72
73    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o .1.3.6.1.2.1.1.3.0 -w 1: -c 1:");
74    cmp_ok( $res->return_code, '==', 0, "Test with numeric OID (no mibs loaded)" );
75    like($res->output, '/^SNMP OK - \d+/', "String contains SNMP OK");
76
77    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0");
78    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying sysDescr" );
79    unlike($res->perf_output, '/sysDescr/', "Perfdata doesn't contain string values");
80
81    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0,system.sysDescr.0");
82    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, comma-separated" );
83    like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
84
85    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0 -o system.sysDescr.0");
86    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, repeated option" );
87    like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
88
89    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 1:1 -c 1:1");
90    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrSWRunIndex.1" );
91    like($res->output, '/^SNMP OK - 1\s.*$/', "String fits SNMP OK and output format");
92
93    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 0   -c 1:");
94    cmp_ok( $res->return_code, '==', 1, "Exit WARNING when querying hrSWRunIndex.1 and warn-th doesn't apply " );
95    like($res->output, '/^SNMP WARNING - \*1\*\s.*$/', "String matches SNMP WARNING and output format");
96
97    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w  :0 -c 0");
98    cmp_ok( $res->return_code, '==', 2, "Exit CRITICAL when querying hrSWRunIndex.1 and crit-th doesn't apply" );
99    like($res->output, '/^SNMP CRITICAL - \*1\*\s.*$/', "String matches SNMP CRITICAL and output format");
100
101    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2 -c 1:2");
102    cmp_ok( $res->return_code, '==', 0, "Checking two OIDs at once" );
103    like($res->output, "/^SNMP OK - 2 1/", "Got two values back" );
104    like( $res->perf_output, "/ifIndex.2=2/", "Got 1st perf data" );
105    like( $res->perf_output, "/ifIndex.1=1/", "Got 2nd perf data" );
106
107    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2,1:2 -c 2:2,2:2");
108    cmp_ok( $res->return_code, '==', 2, "Checking critical threshold is passed if any one value crosses" );
109    like($res->output, "/^SNMP CRITICAL - 2 *1*/", "Got two values back" );
110    like( $res->perf_output, "/ifIndex.2=2/", "Got 1st perf data" );
111    like( $res->perf_output, "/ifIndex.1=1/", "Got 2nd perf data" );
112
113    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w 1:,1: -c 1:,1:");
114    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrMemorySize and hrSystemProcesses");
115    like($res->output, '/^SNMP OK - \d+ \d+/', "String contains hrMemorySize and hrSystemProcesses");
116
117    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w \@:0 -c \@0");
118    cmp_ok( $res->return_code, '==', 0, "Exit OK with inside-range thresholds");
119    like($res->output, '/^SNMP OK - 1\s.*$/', "String matches SNMP OK and output format");
120
121    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o enterprises.ucdavis.laTable.laEntry.laLoad.3");
122    $res->output =~ m/^SNMP OK - (\d+\.\d{2})\s.*$/;
123    my $lower = $1 - 0.05;
124    my $higher = $1 + 0.05;
125    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o enterprises.ucdavis.laTable.laEntry.laLoad.3 -w $lower -c $higher");
126    cmp_ok( $res->return_code, '==', 1, "Exit WARNING with fractionnal arguments");
127
128    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0,host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w ,:0 -c ,:2");
129    cmp_ok( $res->return_code, '==', 1, "Exit WARNING on 2nd threshold");
130    like($res->output, '/^SNMP WARNING - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s+\*1\*\s.*$/', "First OID returned as string, 2nd checked for thresholds");
131
132    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w '' -c ''");
133    cmp_ok( $res->return_code, '==', 0, "Empty thresholds doesn't crash");
134
135    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w ,,1 -c ,,2");
136    cmp_ok( $res->return_code, '==', 0, "Skipping first two thresholds on 2 OID check");
137    like($res->output, '/^SNMP OK - \d+ \w+ \d+\s.*$/', "Skipping first two thresholds, result printed rather than parsed");
138
139    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w ,, -c ,,");
140    cmp_ok( $res->return_code, '==', 0, "Skipping all thresholds");
141    like($res->output, '/^SNMP OK - \d+ \w+ \d+\s.*$/', "Skipping all thresholds, result printed rather than parsed");
142
143    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1000000000000: -u '1/100 sec'");
144    cmp_ok( $res->return_code, '==', 2, "Timetick used as a threshold");
145    like($res->output, '/^SNMP CRITICAL - \*\d+\* 1\/100 sec.*$/', "Timetick used as a threshold, parsed as numeric");
146
147    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0");
148    cmp_ok( $res->return_code, '==', 0, "Timetick used as a string");
149    like($res->output, '/^SNMP OK - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s.*$/', "Timetick used as a string, result printed rather than parsed");
150
151    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o HOST-RESOURCES-MIB::hrSWRunName.1");
152    cmp_ok( $res->return_code, '==', 0, "snmp response without datatype");
153    like( $res->output, '/^SNMP OK - "(systemd|init)" \| $/', "snmp response without datatype" );
154}
155
156SKIP: {
157    skip "no SNMP user defined", 1 if ( ! $user_snmp );
158    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -o HOST-RESOURCES-MIB::hrSystemUptime.0 -P 3 -U $user_snmp -L noAuthNoPriv");
159    like( $res->output, '/^SNMP OK - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s.*$/', "noAuthNoPriv security level works properly" );
160}
161
162# These checks need a complete command line. An invalid community is used so
163# the tests can run on hosts w/o snmp host/community in NPTest.cache. Execution will fail anyway
164SKIP: {
165    skip "no non responsive host defined", 2 if ( ! $host_nonresponsive );
166    $res = NPTest->testCmd( "./check_snmp -H $host_nonresponsive -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
167    cmp_ok( $res->return_code, '==', 2, "Exit CRITICAL with non responsive host" );
168    like($res->output, '/Plugin timed out while executing system call/', "String matches timeout problem");
169}
170
171SKIP: {
172    skip "no non invalid host defined", 2 if ( ! $hostname_invalid );
173    $res = NPTest->testCmd( "./check_snmp -H $hostname_invalid   -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
174    cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
175    like($res->output, '/External command error: .*(nosuchhost|Name or service not known|Unknown host)/', "String matches invalid host");
176}
177