Merge branch 'ent-3089-error-en-plugin-snmp_remote-pl-snmp-v3' into 'develop'

Revised to v1r2

See merge request artica/pandorafms!3115
This commit is contained in:
Daniel Rodriguez 2020-03-20 13:40:10 +01:00
commit 9eab984562
1 changed files with 102 additions and 105 deletions

View File

@ -24,47 +24,65 @@
#
# GPL License: http://www.gnu.org/licenses/gpl.txt
#-----------------------------------------------------------------------
# Revised by Kevin Rojas 2020 kevin.rojas@pandorafms.com
# - Added check for Module options
# - Optimized SNMP v3 code
# - Improved Help
#-----------------------------------------------------------------------
use strict;
use Getopt::Std;
my $VERSION = 'v1r1';
my $VERSION = 'v1r2';
#-----------------------------------------------------------------------
# HELP
#-----------------------------------------------------------------------
if ($#ARGV == -1 ) {
print "SNMP remote plugin ($VERSION). Retrieves information via SNMP for:\n";
print "\t- Memory Usage (%)\n";
print "\t- CPU Usage (%)\n";
print "\t- Disk Usage (%)\n";
print "\t- Whether a process is running (1) or not (0)\n";
print "\n";
print "Arguments:\n\n";
print "-H, --host=STRING\n";
print "\tHost IP\n";
print "-c, --community=STRING\n";
print "\tSnmp Community\n";
print "\tSNMP Community\n";
print "-m, --module=STRING\n";
print "\tDefine module (memuse|diskuse|process|cpuload) \n";
print "-d, --disk=STRING\n";
print "\tDefine disk name (C:, D: in Windows) or mount point (Linux)(only in diskuse module)\n";
print "\t[Only for diskuse module] Define disk name (C:, D: in Windows) or mount point (Linux). Default: /\n";
print "-p, --process=STRING\n";
print "\tProcess or service name (only in process module)\n";
print "\t[Only for process module] Process or service name\n\n";
print "SNMP v3 options:\n";
print "\n";
print "-v, --version=STRING\n";
print "\tVersion of protocol\n";
print "\tSNMP version (Default 2c)\n";
print "-u, --user=STRING\n";
print "\tAuth user\n";
print "-A, --auth=STRING\n";
print "\tAuth pass\n";
print "-l, --level=STRING\n";
print "\tSecurity level\n";
print "-a STRING\n";
print "\tAuth method\n";
print "-A, --auth=STRING\n";
print "\tAuth pass\n";
print "-x STRING\n";
print "\tPrivacy method\n";
@ -72,10 +90,12 @@ if ($#ARGV == -1 ) {
print "\tPrivacy pass\n";
print "\n";
print "Example of use \n";
print "perl snmp_remoto.pl -H host -c community -m (memuse|diskuse|process|cpuload) [-p process -d disk] \n";
print "\n";
print "Version=$VERSION\n";
print "Usage: \n";
print "SNMP v1|2|2c:\n" ;
print "\tperl $0 -H host -c community -m (memuse|diskuse|process|cpuload) [-p process -d disk] \n" ;
print "SNMP v3:\n" ;
print "\tperl $0 -H host -v 3 -u user -l seclevel -a authMethod -A authPass -x privMethod -X privPass -m (memuse|diskuse|process|cpuload) [-p process -d disk] \n" ;
print "\n" ;
exit;
}
@ -151,104 +171,97 @@ sub options {
$opts{"X"});
}
#-----------------------------------------------------------------------
# Module % Memory use
#-----------------------------------------------------------------------
if ($module eq "memuse") {
my $memuse = 0;
my $command_line_parammeters;
if ($version == "3") {
if ($auth_method eq 'authNoPriv') {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level $host";
}
elsif ($auth_method eq "noAuthNoPriv") {
$command_line_parammeters = "-v $version -u $user -l $security_level $host";
}
else {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level -x $privacy_method -X $privacy_pass $host";
}
}
else {
$command_line_parammeters = "-v $version -c $community $host";
}
my $memid = `snmpwalk -On $command_line_parammeters .1.3.6.1.2.1.25.2.3.1.3 | grep Physical | head -1 | gawk '{print \$1}' | gawk -F "." '{print \$13}' | tr -d "\r"`;
my $memtot = `snmpget $command_line_parammeters .1.3.6.1.2.1.25.2.3.1.5.$memid ` ;
my $memtot2 = `echo "$memtot" | gawk '{print \$4}'`;
my $memfree = `snmpget $command_line_parammeters .1.3.6.1.2.1.25.2.3.1.6.$memid` ;
my $memfree2 = `echo "$memfree" | gawk '{print \$4}'`;
$memuse = ($memfree2) * 100 / $memtot2;
printf("%.2f", $memuse);
unless ( $module ~~ ["memuse","cpuload","process","diskuse"] ){
print "Error: Invalid or missing argument (-m).\n";
print "Available options: memuse | diskuse | process | cpuload \n\n";
exit;
}
unless ($host){
print "Error: missing host address.\n";
exit;
}
#-----------------------------------------------------------------------
# Module % Disk use
# SNMP Version parameters
#-----------------------------------------------------------------------
my $command_line_parameters;
if ($version == "3") {
if ($security_level eq 'authNoPriv') {
$command_line_parameters = "-v $version -u $user -a $auth_method -A $pass -l $security_level $host";
}
elsif ($security_level eq "AuthPriv") {
$command_line_parameters = "-v $version -u $user -a $auth_method -A $pass -l $security_level -x $privacy_method -X $privacy_pass $host";
}
else {
$command_line_parameters = "-v $version -u $user -l $security_level $host";
}
}
else {
$command_line_parameters = "-v $version -c $community $host";
}
#-----------------------------------------------------------------------
# Memory use % module
#-----------------------------------------------------------------------
if ($module eq "memuse") {
my $memuse = 0;
my $memid = `snmpwalk -On $command_line_parameters .1.3.6.1.2.1.25.2.3.1.3 | grep Physical | head -1 | gawk '{print \$1}' | gawk -F "." '{print \$13}' | tr -d "\r"`;
my @memtot = split(/\s/, `snmpget $command_line_parameters .1.3.6.1.2.1.25.2.3.1.5.$memid `) ;
my @memfree = split(/\s/, `snmpget $command_line_parameters .1.3.6.1.2.1.25.2.3.1.6.$memid `) ;
if ($memid){
$memuse = ($memfree[-1]) * 100 / $memtot[-1];
printf("%.2f", $memuse);
}
else {
print STDOUT "-1";
print STDERR "Error: Memory OID not found";
}
}
#-----------------------------------------------------------------------
# Disk use % module
#-----------------------------------------------------------------------
if ($module eq "diskuse") {
my $diskuse = 0;
my $command_line_parammeters;
if ($version == "3") {
if ($auth_method eq 'authNoPriv') {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level $host";
}
elsif ($auth_method eq "noAuthNoPriv") {
$command_line_parammeters = "-v $version -u $user -l $security_level $host";
}
else {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level -x $privacy_method -X $privacy_pass $host";
}
}
else {
$command_line_parammeters = "-v $version -c $community $host";
unless ($disk){
print "Error: Invalid or missing argument (-d).\n";
exit;
}
if ($disk =~ /\\ /) {
$disk =~ s/\\/\\\\/g;
}
my $diskid = `snmpwalk -r 2 -On $command_line_parammeters .1.3.6.1.2.1.25.2.3.1.3 | grep -F '$disk' | head -1 | gawk '{print \$1}' | gawk -F "." '{print \$13}' | tr -d "\r"`;
my $disktot = `snmpget -r 2 $command_line_parammeters .1.3.6.1.2.1.25.2.3.1.5.$diskid ` ;
my $disktot2 = `echo "$disktot" | gawk '{print \$4}'`;
if ($disktot2 == 0) {
my $diskid = `snmpwalk -r 2 -On $command_line_parameters .1.3.6.1.2.1.25.2.3.1.3 | grep -F '$disk' | head -1 | gawk '{print \$1}' | gawk -F "." '{print \$13}' | tr -d "\r"`;
my @disktot= split /\s/, `snmpget -r 2 $command_line_parameters .1.3.6.1.2.1.25.2.3.1.5.$diskid` ;
if ($diskid == ""){
print STDOUT "-1";
print STDERR "Error: Disk or partition not found\n";
exit;
}
if ($disktot[-1] == 0) {
$diskuse = 0;
}
else {
my $diskfree = `snmpget -r 2 $command_line_parammeters .1.3.6.1.2.1.25.2.3.1.6.$diskid` ;
my $diskfree2 = `echo "$diskfree" | gawk '{print \$4}'`;
$diskuse = ($disktot2 - $diskfree2) * 100 / $disktot2;
my @diskfree = split (/\s/, `snmpget -r 2 $command_line_parameters .1.3.6.1.2.1.25.2.3.1.6.$diskid`) ;
$diskuse = ($disktot[-1] - $diskfree[-1]) * 100 / $disktot[-1];
}
printf("%.2f", $diskuse);
}
#-----------------------------------------------------------------------
# Module Process Status
# Process Status module
#-----------------------------------------------------------------------
if ($module eq "process") {
my $status = 0;
my $command_line_parammeters;
if ($version == "3") {
if ($auth_method eq 'authNoPriv') {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level $host";
}
elsif ($auth_method eq "noAuthNoPriv") {
$command_line_parammeters = "-v $version -u $user -l $security_level $host";
}
else {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level -x $privacy_method -X $privacy_pass $host";
}
}
else {
$command_line_parammeters = "-v $version -c $community $host";
}
$status = `snmpwalk $command_line_parammeters 1.3.6.1.2.1.25.4.2.1.2 2>/dev/null`;
$status = `snmpwalk $command_line_parameters .1.3.6.1.2.1.25.4.2.1.2 2>/dev/null`;
if ($? == 0) {
print (($status =~ m/$process/mi)?1:0);
@ -256,28 +269,12 @@ if ($module eq "process") {
}
#-----------------------------------------------------------------------
# Module % Cpu Load
# CPU Load % module
#-----------------------------------------------------------------------
if ($module eq "cpuload") {
my $cputotal = 0;
my $command_line_parammeters;
if ($version == "3") {
if ($auth_method eq 'authNoPriv') {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level $host";
}
elsif ($auth_method eq "noAuthNoPriv") {
$command_line_parammeters = "-v $version -u $user -l $security_level $host";
}
else {
$command_line_parammeters = "-v $version -u $user -a $auth_method -A $pass -l $security_level -x $privacy_method -X $privacy_pass $host";
}
}
else {
$command_line_parammeters = "-v $version -c $community $host";
}
my $cpuload = `snmpwalk $command_line_parammeters .1.3.6.1.2.1.25.3.3.1.2 | gawk '{print \$4}' `;
my $cpuload = `snmpwalk $command_line_parameters .1.3.6.1.2.1.25.3.3.1.2 | gawk '{print \$4}' `;
my @cpuload = split(/\n/, $cpuload);
my $sum;
my $counter = 0;