Additional scripts for Zabbix agent on Linux to discover and monitor several services
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#!/usr/bin/perl -w
use Linux::LVM;
use JSON;
my $what = $ARGV[0];
open STDERR, '>/dev/null';
my $json;
@{$json->{data}} = ();
if ($what eq "volumes"){
foreach my $group (get_volume_group_list()){
my %lvs = get_logical_volume_information($group);
foreach my $lv (keys %lvs){
$lv = ($lv =~ m!^/dev/$group!) ? $lv : "/dev/$group/$lv";
push @{$json->{data}}, { "{#LVMVOL}" => "$lv" };
}
}
}
elsif ($what eq "snapshots"){
foreach my $group (get_volume_group_list()){
my %lvs = get_logical_volume_information($group);
foreach my $lv (keys %lvs){
if (defined $lvs{$lv}->{allocated_to_snapshot}){
$lv = ($lv =~ m!^/dev/$group!) ? $lv : "/dev/$group/$lv";
push @{$json->{data}}, { "{#LVMSNAP}" => "$lv" };
}
}
}
}
elsif ($what eq "thin_pools"){
foreach my $group (get_volume_group_list()){
my %lvs = get_logical_volume_information($group);
foreach my $lv (keys %lvs){
if (defined $lvs{$lv}->{allocated_pool_data}){
$lv = ($lv =~ m!^/dev/$group!) ? $lv : "/dev/$group/$lv";
push @{$json->{data}}, { "{#LVMTHINP}" => "$lv" };
}
}
}
}
elsif ($what eq "groups"){
foreach my $group (get_volume_group_list()){
push @{$json->{data}}, { "{#LVMGRP}" => $group };
}
}
else{
print <<"EOF";
Usage: $0 [volumes|snapshots|groups]
EOF
}
print to_json($json);
exit(0);