check_eth
This commit is contained in:
parent
175aab8dfa
commit
21960616ad
|
|
@ -0,0 +1,181 @@
|
|||
#!/usr/bin/perl -w
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
use Getopt::Long;
|
||||
|
||||
use constant BITS => 8;
|
||||
use constant BYTES => 1;
|
||||
|
||||
my $iface = "";
|
||||
my $bandwidth = "";
|
||||
my $warning = "";
|
||||
my $critical = "";
|
||||
my $percent = "";
|
||||
|
||||
GetOptions(
|
||||
"i|interface=s" => \$iface,
|
||||
"w|warning=s" => \$warning,
|
||||
"c|critical=s" => \$critical,
|
||||
"b|bandwidth=s" => \$bandwidth,
|
||||
"p|percent" => \$percent
|
||||
);
|
||||
|
||||
my $bitmod = BYTES;
|
||||
|
||||
my $tmpfile = "/tmp/traffic";
|
||||
my $output = "";
|
||||
my $line = "";
|
||||
|
||||
my %status = ( 'OK' => 0,
|
||||
'WARNING' => 1,
|
||||
'CRITICAL' => 2,
|
||||
'UNKNOWN' => 3
|
||||
);
|
||||
my $exit_status = $status{OK};
|
||||
|
||||
my %data = ( 'time' => 0, 'last_time' => 0,
|
||||
'rxbytes' => 0, 'last_rxbytes' => 0,
|
||||
'txbytes' => 0, 'last_txbytes' => 0
|
||||
);
|
||||
|
||||
my %speed = ( 'tx' => 0,
|
||||
'rx' => 0,
|
||||
'interval' => 1
|
||||
);
|
||||
|
||||
usage() if ( !$iface || !$warning || !$critical );
|
||||
if ( $percent ) {
|
||||
usage() if ( !$bandwidth || $bandwidth !~ /^\d+[kKmMgG]$/ );
|
||||
usage() if ( $warning !~ /^\d{1,3}$/ || $warning>100 || $critical !~ /^\d{1,3}$/ || $critical>100 );
|
||||
$bandwidth = human2bytes($bandwidth);
|
||||
} else {
|
||||
$warning = human2bytes($warning);
|
||||
$critical = human2bytes($critical);
|
||||
usage() if ( !$warning || !$critical )
|
||||
}
|
||||
usage() if ( $warning > $critical );
|
||||
|
||||
open ( NET, "</proc/net/dev" ) or die ( "Can't open /proc/net/dev: $!" );
|
||||
while ( <NET> ) {
|
||||
chomp();
|
||||
if ( $_ =~ /^\s*$iface\:\s*(\d+)(?:\s*(?:\d+)){7}\s*(\d+)(?:\s*(?:\d+)){7}\s*$/ ) {
|
||||
$data{time} = time - 1;
|
||||
$data{rxbytes} = $1;
|
||||
$data{txbytes} = $2;
|
||||
last;
|
||||
}
|
||||
}
|
||||
close( NET );
|
||||
|
||||
if ( $data{time} == 0 && $data{rxbytes} == 0 && $data{txbytes} == 0 ) {
|
||||
exit $status{UNKNOWN};
|
||||
}
|
||||
|
||||
if ( open( TMP, "<$tmpfile-$iface" ) ) {
|
||||
my @line = <TMP>; chomp( @line );
|
||||
( $data{last_time}, $data{last_rxbytes}, $data{last_txbytes} ) = split( ":", $line[0] );
|
||||
}
|
||||
|
||||
if ( open( TMP, ">$tmpfile-$iface" ) ) {
|
||||
print( TMP "$data{time}:$data{rxbytes}:$data{txbytes}\n" );
|
||||
close( TMP );
|
||||
}
|
||||
|
||||
$data{last_time} = $data{time} if ( !$data{last_time} || $data{last_time} > $data{time} );
|
||||
$data{last_rxbytes} = $data{rxbytes} if ( !$data{last_rxbytes} || $data{last_rxbytes} > $data{rxbytes} );
|
||||
$data{last_txbytes} = $data{txbytes} if ( !$data{last_txbytes} || $data{last_txbytes} > $data{txbytes} );
|
||||
|
||||
$speed{interval} = $data{time} - $data{last_time} + 1;
|
||||
$speed{rx} = ( $data{rxbytes} - $data{last_rxbytes} ) / $speed{interval};
|
||||
$speed{tx} = ( $data{txbytes} - $data{last_txbytes} ) / $speed{interval};
|
||||
|
||||
$output = "RX Bytes: ". bytes2human($data{rxbytes}) ."B, TX Bytes: ". bytes2human($data{txbytes}) ."B; ";
|
||||
$output .= sprintf( "RX Speed: %s%sps, TX Speed: %s%sps; ",
|
||||
bytes2human($speed{rx}*$bitmod), ($bitmod==BITS)?"b":"B", bytes2human($speed{tx}*$bitmod), ($bitmod==BITS)?"b":"B" );
|
||||
|
||||
if ( $percent ) {
|
||||
if ( ( $speed{rx} / $bandwidth ) * 100 > $critical || ( $speed{tx} / $bandwidth ) * 100 > $critical ) {
|
||||
$exit_status = $status{CRITICAL};
|
||||
$output .= "CRITICAL";
|
||||
} elsif ( ( $speed{rx} / $bandwidth ) * 100 > $warning || ( $speed{tx} / $bandwidth ) * 100 > $warning ) {
|
||||
$exit_status = $status{WARNING};
|
||||
$output .= "WARNING";
|
||||
} else {
|
||||
$output .= "OK";
|
||||
}
|
||||
} else {
|
||||
if ( ( $speed{rx} > $critical ) or ( $speed{tx} > $critical ) ) {
|
||||
$exit_status = $status{CRITICAL};
|
||||
$output .= "CRITICAL";
|
||||
} elsif ( ( $speed{rx} > $warning ) or ( $speed{tx} > $warning ) ) {
|
||||
$exit_status = $status{WARNING};
|
||||
$output .= "WARNING";
|
||||
} else {
|
||||
$output .= "OK";
|
||||
}
|
||||
}
|
||||
|
||||
$output .= " bandwidth utilization";
|
||||
$output .= sprintf( " | rx=%.0f;%2.0f;%2.0f tx=%.0f;%2.0f;%2.0f",
|
||||
$speed{rx}*$bitmod, ($percent)?$warning*$bandwidth/100:$warning, ($percent)?$critical*$bandwidth/100:$critical,
|
||||
$speed{tx}*$bitmod, ($percent)?$warning*$bandwidth/100:$warning, ($percent)?$critical*$bandwidth/100:$critical );
|
||||
|
||||
print "$output\n";
|
||||
exit( $exit_status );
|
||||
|
||||
|
||||
# helper function
|
||||
sub bytes2human {
|
||||
my $bytes = shift;
|
||||
return 0 if !$bytes;
|
||||
|
||||
my @units = ( '','K','M','G','T' );
|
||||
my $offset = 0;
|
||||
|
||||
while ( $bytes > 1024 ){
|
||||
$bytes = $bytes / 1024;
|
||||
$offset++;
|
||||
}
|
||||
return sprintf( "%2.0f%s", $bytes, $units[$offset] );
|
||||
}
|
||||
|
||||
sub human2bytes {
|
||||
my $value = shift;
|
||||
return 0 if ( !$value || $value !~ /^(\d+)(\w)$/ );
|
||||
my ($number, $scale) = ($1,$2);
|
||||
|
||||
my $bitmod = ( $scale =~ /[kmg]/ ) ? BITS : BYTES;
|
||||
my @units = ( '','K','M','G','T' );
|
||||
my $offset = 0;
|
||||
|
||||
while( $units[$offset] ne "\u$scale" && $offset <= scalar(@units) ) {
|
||||
$number *= 1024;
|
||||
$offset++;
|
||||
}
|
||||
|
||||
return $number/$bitmod;
|
||||
}
|
||||
|
||||
sub usage {
|
||||
print <<EOU;
|
||||
|
||||
Usage: $0 -i <interface> -w <warn> -c <critical> [-p -b <bandwidth>]
|
||||
|
||||
-i, --interface STRING
|
||||
Network interface name (example: eth0)
|
||||
-w, --warning STRING
|
||||
Warning interface speed level (K/M/G Bps, k/m/g bps)
|
||||
If using with -p value should be in percentage (1-100)
|
||||
-c, --critilcal STRING
|
||||
Critical interface speed level (K/M/G Bps, k/m/g bps)
|
||||
If using with -p value should be in percentage (1-100)
|
||||
-p
|
||||
Calculate warning and critical levels in percentage based on interface bandwidth
|
||||
-b, --bandwidth STRING
|
||||
Interface bandwidth value (K/M/G Bps, k/m/g bps)
|
||||
|
||||
EOU
|
||||
unlink($tmpfile);
|
||||
exit $status{UNKNOWN};
|
||||
}
|
||||
|
|
@ -1,34 +1,32 @@
|
|||
#!/bin/bash
|
||||
|
||||
if ! command -v iostat &> /dev/null; then
|
||||
echo "iostat not found! Please install sysstat:"
|
||||
echo "sudo apt install sysstat"
|
||||
exit 1
|
||||
if ! command -v iostat &>/dev/null; then
|
||||
echo "iostat not found! Please install sysstat:"
|
||||
echo "sudo apt install sysstat"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ "$1" = "-w" ] && [ "$2" -gt "0" ] && [ "$3" = "-c" ] && [ "$4" -gt "0" ]; then
|
||||
IOWAIT=`iostat|sed -n "4p"|awk {'print $4'}|cut -d. -f1`
|
||||
# echo " ##### DEBUG: $IOWAIT "
|
||||
if [ "$IOWAIT" -ge "$4" ]; then
|
||||
echo "IO Wait: CRITICAL - $IOWAIT % |IOWAIT=$IOWAIT;;;;"
|
||||
exit 2
|
||||
elif [ "$IOWAIT" -ge "$2" ]; then
|
||||
echo "IO Wait: WARNING - $IOWAIT % |IOWAIT=$IOWAIT;;;;"
|
||||
exit 1
|
||||
else
|
||||
echo "IO Wait: OK - $IOWAIT % |IOWAIT=$IOWAIT;;;;"
|
||||
exit 0
|
||||
fi
|
||||
IOWAIT=$(iostat | sed -n "4p" | awk {'print $4'} | cut -d. -f1)
|
||||
if [ "$IOWAIT" -ge "$4" ]; then
|
||||
echo "IO Wait: CRITICAL - $IOWAIT % |IOWAIT=$IOWAIT;;;;"
|
||||
exit 2
|
||||
elif [ "$IOWAIT" -ge "$2" ]; then
|
||||
echo "IO Wait: WARNING - $IOWAIT % |IOWAIT=$IOWAIT;;;;"
|
||||
exit 1
|
||||
else
|
||||
echo "IO Wait: OK - $IOWAIT % |IOWAIT=$IOWAIT;;;;"
|
||||
exit 0
|
||||
fi
|
||||
else
|
||||
echo "$0 v1.0"
|
||||
echo ""
|
||||
echo "Usage:"
|
||||
echo "$0 -w <warnlevel> -c <critlevel>"
|
||||
echo ""
|
||||
echo "warnlevel and critlevel is percentage value without %"
|
||||
echo "
|
||||
echo "EXAMPLE: /usr/lib64/nagios/plugins/check_iowait.sh -w 90 -c 95
|
||||
echo ""
|
||||
exit
|
||||
echo "$0 v1.0"
|
||||
echo ""
|
||||
echo "Usage:"
|
||||
echo "$0 -w <warnlevel> -c <critlevel>"
|
||||
echo ""
|
||||
echo "warnlevel and critlevel is percentage value without %"
|
||||
echo "
|
||||
echo "EXAMPLE: check_iowait -w 90 -c 95
|
||||
echo ""
|
||||
exit
|
||||
fi
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue