256 lines
6.4 KiB
Perl
256 lines
6.4 KiB
Perl
#!/usr/bin/perl
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# Pandora FMS server monitoring plugin
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use strict;
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use warnings;
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use POSIX qw(strftime);
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use PandoraFMS::DB;
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use constant DATASERVER => 0;
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use Scalar::Util qw(looks_like_number);
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my $RDBMS = "mysql";
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####
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# Erase blank spaces before and after the string
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####################################################
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sub trim($){
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my $string = shift;
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if (empty ($string)){
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return "";
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}
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chomp ($string);
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return $string;
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}
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#####
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# Empty
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###################################
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sub empty($){
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my $str = shift;
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if (! (defined ($str)) ){
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return 1;
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}
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if(looks_like_number($str)){
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return 0;
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}
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if ($str =~ /^\ *[\n\r]{0,2}\ *$/) {
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return 1;
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}
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return 0;
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}
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#####
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## General configuration file parser
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##
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## log=/PATH/TO/LOG/FILE
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##
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#######################################
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sub parse_configuration($){
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my $conf_file = shift;
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my %config;
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open (FILE,"<", "$conf_file") or return undef;
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while (<FILE>){
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if (($_ =~ /^ *$/)
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|| ($_ =~ /^#/ )){
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# skip blank lines and comments
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next;
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}
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my @parsed = split /\ /, $_, 2;
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$config{trim($parsed[0])} = trim($parsed[1]);
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}
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close (FILE);
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return %config;
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}
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sub disk_free ($) {
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my $target = $_[0];
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# Try to use df command with Posix parameters...
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my $command = "df -k -P ".$target." | tail -1 | awk '{ print \$4/1024}'";
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my $output = trim(`$command`);
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return $output;
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}
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sub load_average {
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my $load_average;
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my $OSNAME = $^O;
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if ($OSNAME eq "freebsd"){
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$load_average = ((split(/\s+/, `/sbin/sysctl -n vm.loadavg`))[1]);
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}
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# by default LINUX calls
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else {
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$load_average = `cat /proc/loadavg | awk '{ print \$1 }'`;
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}
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return trim($load_average);
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}
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sub free_mem {
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my $free_mem;
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my $OSNAME = $^O;
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if ($OSNAME eq "freebsd"){
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my ($pages_free, $page_size) = `/sbin/sysctl -n vm.stats.vm.v_page_size vm.stats.vm.v_free_count`;
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# in kilobytes
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$free_mem = $pages_free * $page_size / 1024;
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}
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elsif ($OSNAME eq "netbsd"){
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$free_mem = `cat /proc/meminfo | grep MemFree | awk '{ print \$2 }'`;
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}
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# by default LINUX calls
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else {
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$free_mem = `free | grep Mem | awk '{ print \$4 }'`;
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}
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return trim($free_mem);
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}
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sub pandora_self_monitoring ($$) {
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my ($pa_config, $dbh) = @_;
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my $timezone_offset = 0; # PENDING (TODO) !
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my $utimestamp = time ();
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my $timestamp = strftime ("%Y-%m-%d %H:%M:%S", localtime());
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my $xml_output = "";
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$xml_output .=" <module>\n";
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$xml_output .=" <name>Status</name>\n";
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$xml_output .=" <type>generic_proc</type>\n";
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$xml_output .=" <data>1</data>\n";
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$xml_output .=" </module>\n";
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my $load_average = load_average();
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$load_average = '' unless defined ($load_average);
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my $free_mem = free_mem();
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$free_mem = '' unless defined ($free_mem);
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my $free_disk_spool = disk_free ($pa_config->{"incomingdir"});
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$free_disk_spool = '' unless defined ($free_disk_spool);
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my $my_data_server = trim(get_db_value ($dbh, "SELECT id_server FROM tserver WHERE server_type = ? AND name = '".$pa_config->{"servername"}."'", DATASERVER));
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# Number of unknown agents
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my $agents_unknown = 0;
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if (defined ($my_data_server)) {
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$agents_unknown = trim(get_db_value ($dbh, "SELECT COUNT(DISTINCT tagente_estado.id_agente) "
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. "FROM tagente_estado, tagente, tagente_modulo "
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. "WHERE tagente.disabled = 0 AND tagente.id_agente = tagente_estado.id_agente "
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. "AND tagente_estado.id_agente_modulo = tagente_modulo.id_agente_modulo "
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. "AND tagente_modulo.disabled = 0 "
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. "AND running_by = $my_data_server "
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. " AND estado = 3"));
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$agents_unknown = 0 if (!defined($agents_unknown));
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}
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my $queued_modules = trim(get_db_value ($dbh, "SELECT SUM(queued_modules) FROM tserver WHERE name = '".$pa_config->{"servername"}."'"));
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if (!defined($queued_modules)) {
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$queued_modules = 0;
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}
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my $dbmaintance;
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if ($RDBMS eq 'postgresql') {
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$dbmaintance = trim(get_db_value ($dbh,
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"SELECT COUNT(*) "
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. "FROM tconfig "
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. "WHERE token = 'db_maintance' "
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. "AND NULLIF(value, '')::int > UNIX_TIMESTAMP() - 86400"));
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}
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elsif ($RDBMS eq 'oracle') {
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$dbmaintance = trim (get_db_value ($dbh,
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"SELECT COUNT(*) "
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. "FROM tconfig "
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. "WHERE token = 'db_maintance' AND DBMS_LOB.substr(value, 100, 1) > UNIX_TIMESTAMP() - 86400"));
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}
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else {
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$dbmaintance = trim (get_db_value ($dbh,
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"SELECT COUNT(*)"
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. "FROM tconfig "
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. "WHERE token = 'db_maintance' AND value > UNIX_TIMESTAMP() - 86400"));
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}
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$xml_output .=" <module>\n";
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$xml_output .=" <name>Database Maintenance</name>\n";
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$xml_output .=" <type>generic_proc</type>\n";
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$xml_output .=" <data>$dbmaintance</data>\n";
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$xml_output .=" </module>\n";
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$xml_output .=" <module>\n";
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$xml_output .=" <name>Queued_Modules</name>\n";
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$xml_output .=" <type>generic_data</type>\n";
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$xml_output .=" <data>$queued_modules</data>\n";
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$xml_output .=" </module>\n";
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$xml_output .=" <module>\n";
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$xml_output .=" <name>Agents_Unknown</name>\n";
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$xml_output .=" <type>generic_data</type>\n";
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$xml_output .=" <data>$agents_unknown</data>\n";
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$xml_output .=" </module>\n";
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$xml_output .=" <module>\n";
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$xml_output .=" <name>System_Load_AVG</name>\n";
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$xml_output .=" <type>generic_data</type>\n";
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$xml_output .=" <data>$load_average</data>\n";
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$xml_output .=" </module>\n";
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$xml_output .=" <module>\n";
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$xml_output .=" <name>Free_RAM</name>\n";
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$xml_output .=" <type>generic_data</type>\n";
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$xml_output .=" <data>$free_mem</data>\n";
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$xml_output .=" </module>\n";
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$xml_output .=" <module>\n";
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$xml_output .=" <name>FreeDisk_SpoolDir</name>\n";
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$xml_output .=" <type>generic_data</type>\n";
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$xml_output .=" <data>$free_disk_spool</data>\n";
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$xml_output .=" </module>\n";
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return $xml_output;
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}
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#######################################
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#
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#
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# MAIN
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#
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#
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#######################################
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if ($#ARGV < 0) {
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print STDERR "Needed 1 argument as last\nUsage:\n$0 pandora_server.conf\n";
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exit 1;
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}
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my %config = parse_configuration($ARGV[0]);
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$config{version} = "6.0";
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$config{'servername'} = trim (`hostname`) if (!(defined ($config{'servername'})));
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$RDBMS = $config{dbengine};
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# ($rdbms, $db_name, $db_host, $db_port, $db_user, $db_pass)
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my $dbh = db_connect($RDBMS, $config{dbname}, $config{dbhost}, $config{dbport}, $config{dbuser}, $config{dbpass});
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my $xml_output = pandora_self_monitoring(\%config, $dbh);
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db_disconnect($dbh);
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print $xml_output;
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exit 0; |