1 | 1 | simandl | package syssnmp; |
2 | | | |
3 | | | use lib "../../lib"; |
4 | | | use HotSaNICsnmp; |
5 | | | |
6 | | | my ($host,$com); |
7 | | | |
8 | | | sub version { |
9 | | | ($VERSION = '$Revision: 1.18 $') =~ s/.*(\d+\.\d+).*/$1/; |
10 | | | return "syssnmp.pm $VERSION"; |
11 | | | } |
12 | | | |
13 | | | sub do_snmp { |
14 | | | my ($arg,$vardir) = @_; |
15 | | | $arg =~ s/SNMP://; |
16 | | | ($host, $com) = split ":", $arg; |
17 | | | |
18 | | | # Now do the real work ... |
19 | | | do_cpu($vardir); |
20 | | | do_load(); |
21 | | | do_proc(); |
22 | | | do_mem(); |
23 | | | do_users(); |
24 | | | } |
25 | | | |
26 | | | # Gather data from SNMP agent |
27 | | | |
28 | | | sub do_cpu { |
29 | | | my ($vardir)=@_; |
30 | | | my $oid = '.1.3.6.1.4.1.2021.11'; |
31 | | | # enterprises.ucdavis.systemStats |
32 | | | |
33 | | | my $suf_user = '.50.0'; |
34 | | | # .ssCpuRawUser.0 |
35 | | | my $suf_nice = '.51.0'; |
36 | | | # .ssCpuRawNice.0 |
37 | | | my $suf_system = '.52.0'; |
38 | | | # .ssCpuRawSystem.0 |
39 | | | my $suf_idle = '.53.0'; |
40 | | | # .ssCpuRawIdle.0 |
41 | | | |
42 | | | undef my %cpu_new; |
43 | | | my $cpu_all; |
44 | | | my %cpu_old = ( user => 0, nice => 0, system => 0, idle => 0 ); |
45 | | | my $filename = $vardir."/cpu_".$host.".dat"; |
46 | | | |
47 | | | defined($res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef; |
48 | | | $cpu_new{'user'} = $$res{$oid.$suf_user} || 0; |
49 | | | $cpu_new{'nice'} = $$res{$oid.$suf_nice} || 0; |
50 | | | $cpu_new{'system'} = $$res{$oid.$suf_system} || 0; |
51 | | | $cpu_new{'idle'} = $$res{$oid.$suf_idle} || 0; |
52 | | | |
53 | | | if( -e $filename ) { |
54 | | | open(CPUFILE, "$filename"); |
55 | | | my $line = do { local $/; <CPUFILE> }; |
56 | | | ($user,$'nice,$system,$idle) = split " ", $line; |
57 | | | close CPUFILE; |
58 | | | |
59 | | | $cpu_old{'user'} = $user || 0; |
60 | | | $cpu_old{'nice'} = $nice || 0; |
61 | | | $cpu_old{'system'} = $system || 0; |
62 | | | $cpu_old{'idle'} = $idle || 0; |
63 | | | } |
64 | | | |
65 | | | $cpu_all = |
66 | | | ($cpu_new{'user'}+$cpu_new{'nice'}+$cpu_new{'system'}+$cpu_new{'idle'}) |
67 | | | - ($cpu_old{'user'}+$cpu_old{'nice'}+$cpu_old{'system'}+$cpu_old{'idle'}); |
68 | | | |
69 | | | open(CPUFILE, ">$filename"); |
70 | | | print CPUFILE "$cpu_new{'user'} $cpu_new{'nice'} $cpu_new{'system'} $cpu_new{'idle'}"; |
71 | | | close CPUFILE; |
72 | | | |
73 | | | if ( $cpu_all > 0 ) { |
74 | | | $cpu_new{'user'} = ($cpu_new{'user'}-$cpu_old{'user'})/$cpu_all; |
75 | | | $cpu_new{'nice'} = ($cpu_new{'nice'}-$cpu_old{'nice'})/$cpu_all; |
76 | | | $cpu_new{'system'} = ($cpu_new{'system'}-$cpu_old{'system'})/$cpu_all; |
77 | | | $cpu_new{'idle'} = ($cpu_new{'idle'}-$cpu_old{'idle'})/$cpu_all; |
78 | | | } |
79 | | | else { |
80 | | | $cpu_new{'user'} = "U"; |
81 | | | $cpu_new{'nice'} = "U"; |
82 | | | $cpu_new{'system'} = "U"; |
83 | | | $cpu_new{'idle'} = "U"; |
84 | | | } |
85 | | | |
86 | | | do_rrd_cpu(%cpu_new); |
87 | | | |
88 | | | #print "CPU: $cpu_new{'user'} $cpu_new{'nice'} $cpu_new{'system'} $cpu_new{'idle'}\n"; |
89 | | | |
90 | | | } |
91 | | | |
92 | | | sub do_load { |
93 | | | my $oid = '.1.3.6.1.4.1.2021.10.1.3'; |
94 | | | # enterprises.ucdavis.laTable.laEntry.laLoad |
95 | | | |
96 | | | my @load; |
97 | | | |
98 | | | defined(my $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef; |
99 | | | foreach ( keys(%$res) ) { |
100 | | | push @load, $$res{$_} || 0; |
101 | | | } |
102 | | | |
103 | | | do_rrd_load(@load); |
104 | | | |
105 | | | #print "LOAD: $load[0] $load[1] $load[2]\n"; |
106 | | | } |
107 | | | |
108 | | | sub do_proc { |
109 | | | my $oid = '.1.3.6.1.2.1.25.4.2.1.7'; |
110 | | | # host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunStatus |
111 | | | |
112 | | | my %proc = ( running => 0, |
113 | | | runnable => 0, |
114 | | | notRunnable => 0, |
115 | | | invalid => 0 |
116 | | | ); |
117 | | | |
118 | | | defined(my $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef; |
119 | | | foreach( keys(%$res) ) { |
120 | | | for ($$res{$_}) { |
121 | | | if (/(1|running)/) { $proc{'running'}++; } |
122 | | | elsif (/(2|runnable)/) { $proc{'runnable'}++; } |
123 | | | elsif (/(3|notRunnable)/) { $proc{'notRunnable'}++; } |
124 | | | elsif (/(4|invalid)/) { $proc{'invalid'}++; } |
125 | | | else { print "unknown state seen.\n"; } |
126 | | | } |
127 | | | } |
128 | | | |
129 | | | do_rrd_proc(%proc); |
130 | | | |
131 | | | #print "PROC: $proc{'running'} $proc{'runnable'} $proc{'notRunnable'} $proc{'invalid'}\n"; |
132 | | | } |
133 | | | |
134 | | | sub do_mem { |
135 | | | my $oid = '.1.3.6.1.4.1.2021.4'; |
136 | | | # enterprises.ucdavis.memory |
137 | | | |
138 | | | my $suf_total = '.5.0'; |
139 | | | # .memTotalReal.0 |
140 | | | my $suf_free = '.6.0'; |
141 | | | # .memAvailReal.0 |
142 | | | my $suf_buffer = '.14.0'; |
143 | | | # .memBuffer.0 |
144 | | | my $suf_cache = '.15.0'; |
145 | | | # .memCached.0 |
146 | | | |
147 | | | my $suf_swap_total = '.3.0'; |
148 | | | # .memTotalSwap.0 |
149 | | | my $suf_swap_free = '.4.0'; |
150 | | | # .memAvailSwap.0 |
151 | | | |
152 | | | my %mem; |
153 | | | |
154 | | | defined(my $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef; |
155 | | | $mem{'totalReal'} = $$res{$oid.$suf_total} * 1024 || 0; |
156 | | | $mem{'availReal'} = $$res{$oid.$suf_free} * 1024 || 0; |
157 | | | $mem{'buffer'} = $$res{$oid.$suf_buffer} * 1024 || 0; |
158 | | | $mem{'cached'} = $$res{$oid.$suf_cache} * 1024 || 0; |
159 | | | $mem{'totalSwap'} = $$res{$oid.$suf_swap_total} * 1024 || 0; |
160 | | | $mem{'swapFree'} = $$res{$oid.$suf_swap_free} * 1024 || 0; |
161 | | | $mem{'swapUsed'} = $mem{'totalSwap'} - $mem{'swapFree'}; |
162 | | | |
163 | | | $mem{'shared'} = $mem{'totalReal'}-$mem{'availReal'}-$mem{'buffer'}-$mem{'cached'}; |
164 | | | |
165 | | | do_rrd_mem(%mem); |
166 | | | |
167 | | | #print "MEM: "; |
168 | | | #foreach ( keys(%mem) ) { print "$mem{$_} "; } |
169 | | | #print "\n"; |
170 | | | } |
171 | | | |
172 | | | sub do_users { |
173 | | | my $oid = '.1.3.6.1.2.1.25.1.5.0'; |
174 | | | # host.hrSystem.hrSystemNumUsers.0 |
175 | | | |
176 | | | defined(my $res = HotSaNICsnmp::snmp_get($host, $com, ($oid))) || return undef; |
177 | | | |
178 | | | do_rrd_users($$res{$oid}); |
179 | | | |
180 | | | #print "USERS: $res\n"; |
181 | | | } |
182 | | | |
183 | | | # End gather functions |
184 | | | # |
185 | | | # Start rrd-functions |
186 | | | |
187 | | | sub do_rrd_cpu() { |
188 | | | my %cpu_new = @_; |
189 | | | my $rrdname = "cpu_".$host; |
190 | | | |
191 | | | if ( ! -e "rrd/".$rrdname.".rrd" ) { |
192 | | | system("./makerrd", $rrdname); |
193 | | | } |
194 | | | |
195 | | | RRDs::update "rrd/".$rrdname.".rrd", time.":".$cpu_new{'user'}.":".$cpu_new{'nice'}.":".$cpu_new{'system'}.":".$cpu_new{'idle'}; |
196 | | | if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update $rrdname.rrd: $ERROR\n"; } |
197 | | | |
198 | | | #print "Finished RRD update (CPU)\n"; |
199 | | | } |
200 | | | |
201 | | | sub do_rrd_load() { |
202 | | | my @load = @_; |
203 | | | my $rrdname = "load_".$host; |
204 | | | |
205 | | | if ( ! -e "rrd/".$rrdname.".rrd" ) { system("./makerrd", $rrdname) } |
206 | | | RRDs::update "rrd/".$rrdname.".rrd", time.":".$load[2].":".$load[1].":".$load[0]; |
207 | | | if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update $rrdname.rrd: $ERROR\n"; } |
208 | | | |
209 | | | #print "Finished RRD update (LOAD)\n"; |
210 | | | } |
211 | | | |
212 | | | sub do_rrd_proc() { |
213 | | | my %proc = @_; |
214 | | | my $rrdname = "proc_".$host; |
215 | | | |
216 | | | if ( ! -e "rrd/".$rrdname.".rrd" ) { system("./makerrd",$rrdname) } |
217 | | | RRDs::update "rrd/".$rrdname.".rrd", time.":".$proc{'runnable'}.":".$proc{'running'}.":".$proc{'invalid'}.":".$proc{'notRunnable'}.":U"; |
218 | | | if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update $rrdname.rrd: $ERROR\n"; } |
219 | | | |
220 | | | #print "Finished RRD update (PROC)\n"; |
221 | | | } |
222 | | | |
223 | | | sub do_rrd_mem() { |
224 | | | my %mem = @_; |
225 | | | my $rrdname = "mem_".$host; |
226 | | | |
227 | | | if ( ! -e "rrd/".$rrdname.".rrd" ) { system("./makerrd",$rrdname) } |
228 | | | RRDs::update "rrd/".$rrdname.".rrd", time.":".$mem{'availReal'}.":".$mem{'shared'}.":".$mem{'buffer'}.":".$mem{'cached'}.":".$mem{'swapFree'}.":".$mem{'swapUsed'}; |
229 | | | if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update $rrdname.rrd: $ERROR\n"; } |
230 | | | |
231 | | | #print "Finished RRD update (MEM)\n"; |
232 | | | } |
233 | | | |
234 | | | sub do_rrd_users() { |
235 | | | my ($users) = @_; |
236 | | | my $rrdname = "users_".$host; |
237 | | | |
238 | | | if ( ! -e "rrd/".$rrdname.".rrd" ) { system("./makerrd",$rrdname) } |
239 | | | RRDs::update "rrd/".$rrdname.".rrd", time.":".$users.":U:U"; |
240 | | | if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update $rrdname.rrd: $ERROR\n"; } |
241 | | | |
242 | | | #print "Finished RRD update (USERS)\n"; |
243 | | | } |
244 | | | |
245 | | | 1; |