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Enhance filesystem discovery: 

- add {#FSDEVICE} with the block device backing the filesystem
- add {#FSWARNTHRES} and {#FSCRITTHRES} (which default to 85% and 95%). You can overwrite
  the threshold like this:
  * echo 90 > /home/.zbx_warning
  * echo 98 > /home/.zbx_critical
This commit is contained in:
Daniel Berteaud 2013-04-13 17:25:30 +02:00
parent a7d3fd9c7e
commit 532775e403
1 changed files with 22 additions and 3 deletions
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25
scripts/disco_filesystems
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@ -10,16 +10,32 @@ my $re;
# On Linux, parse /proc/mounts
if (-e "/proc/mounts"){
$cmd = 'cat /proc/mounts';
$re = qr/\S+ (\S+) (\S+)/;
$re = qr/(\S+) (\S+) (\S+)/;
}
# On BSD (at least pfsense), there's no /proc/mounts
# parse the mount output
else{
$cmd = '/sbin/mount';
$re = qr/on (\S+) \((\S+), /;
$re = qr/(\S+) on (\S+) \((\S+), /;
}
for (`$cmd`){
($fsname, $fstype) = m/$re/;
($block, $fsname, $fstype) = m/$re/;
# Default warning and critical level (%)
my $warning = 85;
my $critical = 95;
my $t;
if (open WARN, "$fsname/.zbx_warning"){
$t = join "", <WARN>;
close WARN;
chomp($t);
$warning = $t if ($t =~ m/^\d+$/);
}
if (open CRIT, "$fsname/.zbx_critical"){
$t = join "", <CRIT>;
close CRIT;
chomp($t);
$critical = $t if ($t =~ m/^\d+$/);
}
$fsname =~ s!/!\\/!g;
print "\t,\n" if not $first;
@ -28,6 +44,9 @@ for (`$cmd`){
print "\t{\n";
print "\t\t\"{#FSNAME}\":\"$fsname\",\n";
print "\t\t\"{#FSTYPE}\":\"$fstype\"\n";
print "\t\t\"{#FSDEVICE}\":\"$block\"\n";
print "\t\t\"{#FSWARNTHRES}\":\"$warning\"\n";
print "\t\t\"{#FSCRITTHRES}\":\"$critical\"\n";
print "\t}\n";
}