122 lines
2.8 KiB
Perl
122 lines
2.8 KiB
Perl
#!/usr/bin/perl -w
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use strict;
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use File::Which;
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use Getopt::Long;
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use JSON;
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my $json;
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@{$json->{data}} = ();
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my $gluster = which('gluster');
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my $lock = '/var/lock/gluster-zabbix.lock';
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unless($gluster){
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# Gluster is not installed, just return an empty JSON object
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print to_json($json);
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exit(0);
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}
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# Get an exclusive lock
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open(LOCK, ">$lock") || die "Can't open $lock";
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flock(LOCK, 2);
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my $what = 'volumes';
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GetOptions(
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"what=s" => \$what,
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);
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sub usage (){
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print <<"EOF";
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Usage: $0 --what=[volumes|peers]
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EOF
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}
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sub gluster($){
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my $cmd = shift;
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my $code = 256;
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my @result = ();
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# Loop to run gluster cmd as it can fail if two run at the same time
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for (my $i = 0; ($code != 0 && $i < 10); $i++){
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open (RES, "$cmd |")
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|| die "error: Could not execute $cmd";
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@result = <RES>;
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close RES;
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$code = $?;
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sleep(1) unless ($code == 0);
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}
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die "error: Could not execute $cmd" unless ($code == 0);
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return @result;
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}
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if ($what eq 'volumes'){
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foreach my $line (gluster("$gluster vol info all")){
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if ($line =~ m/^Volume\ Name:\ (\w+)$/){
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my $vol = $1;
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my ($type,$bricks,$uuid,$status,$transport) = ('unknown');
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open (VOLUMEINFO, "$gluster vol info $vol |")
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|| die "error: Could not execute gluster vol info $vol";
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foreach my $info (<VOLUMEINFO>){
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if ($info =~ m/^Type:\ (.*)$/){
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$type = $1;
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}
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elsif ($info =~ m/^Volume\ ID:\ ([0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12})$/){
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$uuid = $1;
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}
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elsif ($info =~ m/^Status:\ (\w+)$/){
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$status = $1;
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}
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elsif ($info =~ m/^Transport-type:\ (\w+)$/){
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$transport = $1;
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}
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elsif ($info =~ m/^Number\ of\ Bricks:\ \d+\ x\ \d+\ =\ (\d+)$/){
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$bricks = $1;
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}
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}
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push @{$json->{data}}, {
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"{#GLUSTER_VOL_NAME}" => $vol,
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"{#GLUSTER_VOL_TYPE}" => $type,
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"{#GLUSTER_VOL_UUID}" => $uuid,
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"{#GLUSTER_VOL_STATUS}" => $status,
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"{#GLUSTER_VOL_TRANSPORT}" => $transport,
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"{#GLUSTER_VOL_BRICKS}" => $bricks
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};
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}
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}
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}
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elsif ($what eq 'peers'){
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my $peerno = 0;
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my ($host,$uuid,$status) = ('unknown');
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foreach my $line (gluster("$gluster peer status")){
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if ($line =~ m/^Number of Peers:\ (\d+)$/){
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$peerno = $1;
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}
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elsif ($line =~ m/^Hostname:\ ([\w\.]+)$/){
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$host = $1;
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}
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elsif ($line =~ m/Uuid:\ ([0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12})$/){
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$uuid = $1;
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}
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elsif ($line =~ m/State:\ [\w\s]+\((\w+)\)$/){
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$status = $1;
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push @{$json->{data}}, {
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"{#GLUSTER_PEER_HOST}" => $host,
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"{#GLUSTER_PEER_UUID}" => $uuid,
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"{#GLUSTER_PEER_STATUS}" => $status
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};
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}
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}
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}
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else{
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usage();
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exit(1);
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}
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close(LOCK);
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print to_json($json);
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exit(0);
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