rpms
/
zabbix-agent-addons
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Enhance ZFS monitoring scripts to retrieve ARC stats

This commit is contained in:
Daniel Berteaud 2019-10-11 11:41:05 +02:00
parent 020e7a2818
commit 21fcd4949e
3 changed files with 23 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
zabbix_conf/zfs.conf
View File

@ -13,3 +13,7 @@ UserParameter=vfs.zfs.dataset.info[*],/var/lib/zabbix/bin/check_zfs --dataset=$1
# Type: Agent or Agent (active) # Type: Agent or Agent (active)
# Sanoïd snapshot monitoring # Sanoïd snapshot monitoring
UserParameter=vfs.zfs.sanoid.check[*],/var/lib/zabbix/bin/check_zfs --sanoid=$1 UserParameter=vfs.zfs.sanoid.check[*],/var/lib/zabbix/bin/check_zfs --sanoid=$1
# Type: Agent or Agent (active)
# ARC stats
UserParameter=vfs.zfs.stats.all[*],/var/lib/zabbix/bin/check_zfs --stats=$1

14
zabbix_scripts/check_zfs
View File

@ -10,12 +10,14 @@ my $json = {};
my $pool = undef; my $pool = undef;
my $dataset = undef; my $dataset = undef;
my $sanoidmon = undef; my $sanoidmon = undef;
my $stats = undef;
my $pretty = 0; my $pretty = 0;
GetOptions( GetOptions(
"zpool|pool=s" => \$pool, "zpool|pool=s" => \$pool,
"dataset=s" => \$dataset, "dataset=s" => \$dataset,
"sanoid=s" => \$sanoidmon, "sanoid=s" => \$sanoidmon,
"stats=s" => \$stats,
"pretty" => \$pretty "pretty" => \$pretty
); );
@ -34,7 +36,7 @@ if (defined $sanoidmon and not grep { $_ eq $sanoidmon } qw(snapshot capacity he
die 'ZBX_NOTSUPPOTED'; die 'ZBX_NOTSUPPOTED';
} }
if (not $pool and not $dataset and not $sanoidmon){ if (not $pool and not $dataset and not $sanoidmon and not $stats){
print <<_EOF; print <<_EOF;
Usage: Usage:
$0 [--zpool=<name>|--dataset=<fs zvol or snap>|--sanoid=<snapshot|capacity|health>] $0 [--zpool=<name>|--dataset=<fs zvol or snap>|--sanoid=<snapshot|capacity|health>]
@ -74,6 +76,16 @@ if ($pool){
} elsif ($sanoidmon){ } elsif ($sanoidmon){
print qx($sanoid --monitor-$sanoidmon); print qx($sanoid --monitor-$sanoidmon);
exit $?; exit $?;
} elsif ($stats){
if (not -e '/proc/spl/kstat/zfs/' . $stats){
print 'ZBX_NOTSUPPORTED';
exit 0;
}
open STATS, '</proc/spl/kstat/zfs/' . $stats;
while (<STATS>){
next unless (m/^(\w+)\s+4\s+(\d+)$/);
$json->{$1} = $2;
}
} }
print to_json($json, { pretty => $pretty }) . "\n"; print to_json($json, { pretty => $pretty }) . "\n";

8
zabbix_scripts/disco_zfs
View File

@ -22,6 +22,7 @@ my $fs = 0;
my $zvol = 0; my $zvol = 0;
my $snap = 0; my $snap = 0;
my $sanoidmon = 0; my $sanoidmon = 0;
my $arcstats = 0;
my $pretty = 0; my $pretty = 0;
GetOptions( GetOptions(
@ -30,13 +31,14 @@ GetOptions(
"zvols|volumes" => \$zvol, "zvols|volumes" => \$zvol,
"snapshots" => \$snap, "snapshots" => \$snap,
"sanoid" => \$sanoidmon, "sanoid" => \$sanoidmon,
"arcstats" => \$arcstats,
"pretty" => \$pretty "pretty" => \$pretty
); );
if ($fs or $zvol or $snap or $sanoidmon){ if ($fs or $zvol or $snap or $sanoidmon or $arcstats){
$pools = 0; $pools = 0;
} }
if ($pools + $fs + $zvol + $snap + $sanoidmon != 1){ if ($pools + $fs + $zvol + $snap + $sanoidmon + $arcstats != 1){
die "One and only one type of discovery should be provided\n"; die "One and only one type of discovery should be provided\n";
} }
if ($sanoidmon and not $sanoid){ if ($sanoidmon and not $sanoid){
@ -69,5 +71,7 @@ if ($pools){
} }
} elsif ($sanoidmon){ } elsif ($sanoidmon){
push @{$json->{data}}, { '{#ZFS_SANOID}' => $_ } foreach (qw(snapshot capacity health)); push @{$json->{data}}, { '{#ZFS_SANOID}' => $_ } foreach (qw(snapshot capacity health));
} elsif ($arcstats){
push @{$json->{data}}, { '{#ZFS_STATS}' => 'arcstats' };
} }
print to_json($json, { pretty => $pretty }); print to_json($json, { pretty => $pretty });