mirror of
https://github.com/munin-monitoring/contrib.git
synced 2024-09-10 10:42:43 +02:00
282 lines
8.4 KiB
Perl
Executable file
282 lines
8.4 KiB
Perl
Executable file
#!/usr/bin/perl -w
|
|
|
|
# Copyright Bjorn Ruberg <bjorn@ruberg.no>
|
|
# Licenced under GPL v2
|
|
#
|
|
# TODO:
|
|
# - Check for OpenLDAP version
|
|
|
|
# We use one script for all monitoring.
|
|
# This script may be symlinked with several names, all
|
|
# performing different functions:
|
|
# slapd_statistics_bytes
|
|
# slapd_statistics_pdu
|
|
# slapd_statistics_other
|
|
# slapd_connections
|
|
# slapd_waiters
|
|
# slapd_operations
|
|
# slapd_operations_diff
|
|
|
|
# Magic markers
|
|
#%# family=auto
|
|
#%# capabilities=autoconf suggest
|
|
|
|
# use strict;
|
|
use Net::LDAP;
|
|
use Data::Dumper;
|
|
|
|
use vars qw ( $config $param $act $scope $descr $cn $vlabel
|
|
$info $title );
|
|
|
|
# Change these to reflect your LDAP ACL. The given DN must have
|
|
# read access to the Monitor branch.
|
|
my $basedn = "cn=Monitor";
|
|
my $server = "localhost";
|
|
my $userdn = ($ENV{'binddn'} || '');
|
|
my $userpw = ($ENV{'bindpw'} || '');
|
|
|
|
# Remember: bytes, pdu needs scope=base
|
|
|
|
# The possible measurements
|
|
my %ops =
|
|
('statistics_bytes'
|
|
=> {
|
|
'search' => "cn=Bytes,cn=Statistics",
|
|
'desc' => "The number of bytes sent by the LDAP server.",
|
|
'vlabel' => "Bytes",
|
|
'title' => "Number of bytes sent",
|
|
'info' => "The graph shows the number of bytes sent",
|
|
'scope' => "base"
|
|
},
|
|
'statistics_pdu'
|
|
=> {
|
|
'search' => "cn=PDU,cn=Statistics",
|
|
'desc' => "The number of PDUs sent by the LDAP server.",
|
|
'vlabel' => "PDUs",
|
|
'title' => "Number of PDUs sent",
|
|
'info' => "The graph shows the number of PDUs sent",
|
|
'scope' => "base"
|
|
},
|
|
# Referrals
|
|
'statistics_referrals'
|
|
=> {
|
|
'search' => "cn=Referrals,cn=Statistics",
|
|
'attrs' => "Referrals",
|
|
'desc' => "The number of Referrals sent by the LDAP server.",
|
|
'vlabel' => "Referrals",
|
|
'title' => "Number of LDAP Referrals",
|
|
'info' => "The graph shows the number of referrals sent",
|
|
'scope' => "base"
|
|
},
|
|
# Entries
|
|
'statistics_entries'
|
|
=> {
|
|
'search' => "cn=Entries,cn=Statistics",
|
|
'attrs' => "Entries",
|
|
'desc' => "The number of Entries sent by the LDAP server.",
|
|
'vlabel' => "Entries",
|
|
'title' => "Number of LDAP Entries",
|
|
'info' => "The graph shows the number of entries sent",
|
|
'scope' => "base"
|
|
},
|
|
# Only read Current and Total
|
|
'connections'
|
|
=> {
|
|
'search' => 'cn=Connections',
|
|
'filter' => '(|(cn=Current)(cn=Total))',
|
|
'desc' => 'The number of Connections',
|
|
'label' => {'current' => 'Current',
|
|
'total' => 'Total'},
|
|
'vlabel' => 'Connections',
|
|
'title' => 'Number of Connections',
|
|
'info' => 'Number of connections to the LDAP server'
|
|
},
|
|
# dn: cn=Write,cn=Waiters,cn=Monitor
|
|
# dn: cn=Read,cn=Waiters,cn=Monitor
|
|
'waiters'
|
|
=> {
|
|
'search' => 'cn=Waiters',
|
|
'filter' => '(|(cn=Write)(cn=Read))',
|
|
'desc' => "The number of Waiters|",
|
|
'label' => {'write' => 'Write',
|
|
'read' => 'Read'},
|
|
'vlabel' => "Waiters",
|
|
'title' => "Number of Waiters",
|
|
'info' => "The graph shows the number of Waiters"
|
|
},
|
|
'operations'
|
|
=> {
|
|
'search' => "cn=Operations",
|
|
'desc' => "Operations",
|
|
'vlabel' => "Operations",
|
|
'title' => "Operations",
|
|
'info' => "Number of completed LDAP operations"
|
|
},
|
|
'operations_diff'
|
|
=> {
|
|
'search' => "cn=Operations",
|
|
'desc' => "Operations deviance",
|
|
'vlabel' => "Deviance",
|
|
'title' => "Operations deviance",
|
|
'info' => "Deviance between Initiated and Completed ops"
|
|
}
|
|
);
|
|
|
|
# Config subroutine
|
|
sub config {
|
|
my $action = shift;
|
|
print <<EOF;
|
|
graph_args --base 1000 -l 0 --vertical-label $ops{$action}->{'vlabel'}
|
|
graph_title $ops{$action}->{'title'}
|
|
graph_category OpenLDAP
|
|
graph_info $ops{$action}->{'info'}
|
|
EOF
|
|
|
|
if ($ops{$action}->{'label'}) {
|
|
while (my ($key, $val) = each (%{$ops{$action}->{'label'}})) {
|
|
my $name = $action . "_" . $key;
|
|
print "$name.label $val\n";
|
|
print "$name.type DERIVE\n";
|
|
print "$name.min 0\n";
|
|
}
|
|
} elsif ($action =~ /^operations(?:_diff)?$/) {
|
|
my $ldap = Net::LDAP->new ($server) or die "$@";
|
|
$ldap->bind ($userdn, password => $userpw) or die "$@";
|
|
my $searchdn = $ops{$action}->{'search'} . "," . $basedn;
|
|
my $mesg =
|
|
$ldap->search (
|
|
base => $searchdn,
|
|
scope => 'one',
|
|
filter => '(objectclass=*)',
|
|
attrs => ['monitorOpInitiated',
|
|
'monitorOpCompleted',
|
|
'cn'],
|
|
);
|
|
$mesg->code && die $mesg->error;
|
|
|
|
my $max = $mesg->count;
|
|
for (my $i = 0 ; $i < $max ; $i++) {
|
|
my $entry = $mesg->entry ($i);
|
|
my $cn = $entry->get_value ('cn');
|
|
$name = $action . "_" . lc ($cn);
|
|
print "$name.label $cn\n";
|
|
print "$name.type DERIVE\n";
|
|
print "$name.min 0\n";
|
|
if ($action eq "operations") {
|
|
print "$name.info The number of $cn operations\n";
|
|
} else {
|
|
print "$name.info The difference between Initiated ";
|
|
print "and Completed operations (should be 0)\n";
|
|
print "$name.warning 1\n";
|
|
}
|
|
}
|
|
} else {
|
|
print "$action.label $ops{$action}->{'vlabel'}\n";
|
|
print "$action.type DERIVE\n";
|
|
print "$action.min 0\n";
|
|
}
|
|
}
|
|
|
|
if ($ARGV[0]) {
|
|
if ($ARGV[0] eq 'autoconf') {
|
|
# Check for Net::LDAP
|
|
if (! eval "require Net::LDAP;") {
|
|
print "no (Net::LDAP not found)";
|
|
exit 1;
|
|
}
|
|
# Check for LDAP version 3
|
|
my $ldap = Net::LDAP->new ($server, version => 3)
|
|
or die "no (Needs LDAPv3)";
|
|
$ldap->bind ($userdn, password => $userpw)
|
|
or die ("no (Can't log in, check env file)");
|
|
} elsif ($ARGV[0] eq "config") {
|
|
if ($0 =~ /slapd_([\w\d_]+)$/) {
|
|
my $action = $1;
|
|
&config ($1);
|
|
} else {
|
|
die ("Can't run config without a symlinked name\n");
|
|
}
|
|
} elsif ($ARGV[0] eq "suggest") {
|
|
print join ("\n", keys (%ops)), "\n";
|
|
}
|
|
exit 0;
|
|
}
|
|
|
|
# We won't run this without parameters.
|
|
die ("Can't run without a symlinked name\n") if $0 =~ /slapd_$/;
|
|
|
|
# Default scope for LDAP searches. We'll change to other scopes if
|
|
# necessary.
|
|
$scope = "one";
|
|
|
|
# The filename is teh key
|
|
(my $action = $0) =~ s/^.*slapd_([\w\d_]+)$/$1/;
|
|
|
|
# Net::LDAP variant
|
|
my $ldap = Net::LDAP->new ($server, version => 3)
|
|
or die "$@";
|
|
$ldap->bind ($userdn,password => $userpw)
|
|
or die "$@";
|
|
|
|
my $searchdn = $ops{$action}->{'search'} . "," . $basedn;
|
|
my $searchattrs;
|
|
|
|
if ($action =~ /^operations(_diff)?$/) {
|
|
# We look for different parameters in Operations branch
|
|
$searchattrs = ['monitorOpInitiated', 'monitorOpCompleted', 'cn'];
|
|
} else {
|
|
$searchattrs = ['monitorCounter', 'cn'];
|
|
}
|
|
|
|
my $filter;
|
|
if ($ops{$action}->{'filter'}) {
|
|
$filter = "(&(objectclass=*)" . $ops{$action}->{'filter'} . ")";
|
|
} else {
|
|
$filter = "(objectClass=*)";
|
|
}
|
|
|
|
if ($ops{$action}->{'scope'}) {
|
|
$scope = $ops{$action}->{'scope'};
|
|
}
|
|
|
|
my $mesg =
|
|
$ldap->search (
|
|
base => $searchdn,
|
|
scope => $scope,
|
|
filter => $filter,
|
|
attrs => $searchattrs,
|
|
);
|
|
|
|
$mesg->code && die $mesg->error;
|
|
|
|
my $max = $mesg->count;
|
|
|
|
for (my $i = 0 ; $i < $max ; $i++) {
|
|
my $entry = $mesg->entry ($i);
|
|
my $cn = $entry->get_value('cn');
|
|
if ($action =~ /operations(_diff)?$/) {
|
|
if ($1) {
|
|
my $opsInit =
|
|
$entry->get_value('monitorOpInitiated');
|
|
my $opsComp =
|
|
$entry->get_value('monitorOpCompleted');
|
|
print lc ("operations_diff_${cn}.value ");
|
|
print ($opsInit - $opsComp);
|
|
print "\n";
|
|
} else {
|
|
print lc ("operations_${cn}.value ");
|
|
print $entry->get_value('monitorOpCompleted'),
|
|
"\n";
|
|
}
|
|
} else {
|
|
# Hotfix, must do for now
|
|
if ($action =~ /_/) {
|
|
print lc ("${action}.value ");
|
|
} else {
|
|
print lc ("${action}_${cn}.value ");
|
|
}
|
|
print $entry->get_value('monitorCounter'), "\n";
|
|
}
|
|
}
|
|
$ldap->unbind;
|