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Update multibandwidth

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bing have some random spikes. Added a variable that is used to indicate the maximum value of mbps that can be recorded (in bps).
This commit is contained in:
Jose Manuel Febrer Cortés 2017-03-31 14:19:14 +02:00 • committed by Lars Kruse
parent 651f6ac056
commit a1cc26f2d3
1 changed files with 49 additions and 37 deletions
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86
plugins/network/multibandwidth
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@ -1,37 +1,38 @@
#!/bin/sh #!/bin/sh
. "$MUNIN_LIBDIR/plugins/plugin.sh" . "$MUNIN_LIBDIR/plugins/plugin.sh"
: <<=cut : <<=cut
=head1 NAME =head1 NAME
multibandwidth - Plugin to monitor the bandwidth between localhost and serveral hosts. multibandwidth - Plugin to monitor the bandwidth between localhost and serveral hosts.
=head1 APPLICABLE SYSTEMS =head1 APPLICABLE SYSTEMS
All systems with “bash”, and “munin” All systems with “bash”, and “munin”
=head1 REQUIREMENTS =head1 REQUIREMENTS
bing installed. bing installed.
You can install bing by using (Ubuntu/Debian): apt-get install bing You can install bing by using (Ubuntu/Debian): apt-get install bing
=head1 CONFIGURATION =head1 CONFIGURATION
The following is the default configuration The following is the default configuration
[multibandwidth] [multibandwidth]
user root user root
env.hosts example.org example2.org example3.org env.hosts example.org example2.org example3.org
env.samples 10 env.samples 15
env.small_packet_size 44 env.small_packet_size 44
env.big_packet_size 108 env.big_packet_size 108
env.max_mbps 15728640
- env.hosts explanation: hostname or IP of the hosts to calculate the bandwidth.
- env.hosts explanation: hostname or IP of the hosts to calculate the bandwidth.
- env.samples explanation: Reset stats after sending samples ECHO_REQUEST packets.
- env.samples explanation: Reset stats after sending samples ECHO_REQUEST packets.
- env.small_packet_size explanation: Specifies the number of data bytes to be sent in the small - env.small_packet_size explanation: Specifies the number of data bytes to be sent in the small
packets. The default and minimum value is 44. packets. The default and minimum value is 44.
@ -40,6 +41,8 @@ env.big_packet_size 108
packets. The default is 108. The size should be chosen so that big packet roundtrip times packets. The default is 108. The size should be chosen so that big packet roundtrip times
are long enough to be accurately measured. are long enough to be accurately measured.
- env.max_mbps explanation: bing have some random spikes. This variable is used to indicate
the maximum value of mbps that can be recorded (in bps).
=head1 MAGIC MARKERS =head1 MAGIC MARKERS
@ -101,11 +104,20 @@ for host in $hosts; do
| cut -d "b" -f1) | cut -d "b" -f1)
if (echo "$SPEED" | grep -q "M"); then if (echo "$SPEED" | grep -q "M"); then
echo "$SPEED" | awk '{a+=$1} END{print a*1000000}' VALUE=`echo "$SPEED" | sed 's/.$//'`
RATE=`echo "$VALUE * 1048576" | bc -l`
if [ $(echo "$RATE" >= "$max_mbps" | bc >/dev/null && echo "no" || echo "yes") = "yes" ]; then
echo "$max_mbps"
else
echo "$RATE"
fi
elif (echo "$SPEED" | grep -q "K"); then elif (echo "$SPEED" | grep -q "K"); then
echo "$SPEED" | awk '{a+=$1} END{print a*1000}' VALUE=`echo "$SPEED" | sed 's/.$//'`
echo "$VALUE * 1024" | bc -l
elif (echo "$SPEED" | grep -q "G"); then elif (echo "$SPEED" | grep -q "G"); then
echo "$SPEED" | awk '{a+=$1} END{print a*1000000000}' VALUE=`echo "$SPEED" | sed 's/.$//'`
echo "$VALUE * 1073742000" | bc -l
else else
echo "Error: no data (timeout)" >&2 echo "Error: no data (timeout)" >&2
fi fi