Smokeping_probes_DNS(3) SmokePing Smokeping_probes_DNS(3)
NAME
Smokeping::probes::DNS - Name Service Probe for SmokePing
SYNOPSIS
*** Probes ***
+DNS
binary = /usr/bin/dig # mandatory
forks = 5
offset = 50%
step = 300
timeout = 15
# The following variables can be overridden in each target section
/^influx_.+/ = influx_location = In the basement
lookup = www.example.org
pings = 5
server = ns1.someisp.net
# [...]
*** Targets ***
probe = DNS # if this should be the default probe
# [...]
+ mytarget
# probe = DNS # if the default probe is something else
host = my.host
/^influx_.+/ = influx_location = In the basement
lookup = www.example.org
pings = 5
server = ns1.someisp.net
DESCRIPTION
Integrates dig as a probe into smokeping. The variable binary must point
to your copy of the dig program. If it is not installed on your system
yet, you should install bind-utils >= 9.0.0.
The Probe asks the given host n-times for it's name. Where n is the
amount specified in the config File.
VARIABLES
Supported probe-specific variables:
binary
The location of your dig binary.
Example value: /usr/bin/dig
This setting is mandatory.
forks
Run this many concurrent processes at maximum
Example value: 5
Default value: 5
offset
If you run many probes concurrently you may want to prevent them
from hitting your network all at the same time. Using the probe-
specific offset parameter you can change the point in time when each
probe will be run. Offset is specified in % of total interval, or
alternatively as 'random', and the offset from the 'General' section
is used if nothing is specified here. Note that this does NOT
influence the rrds itself, it is just a matter of when data
acquisition is initiated. (This variable is only applicable if the
variable 'concurrentprobes' is set in the 'General' section.)
Example value: 50%
step
Duration of the base interval that this probe should use, if
different from the one specified in the 'Database' section. Note
that the step in the RRD files is fixed when they are originally
generated, and if you change the step parameter afterwards, you'll
have to delete the old RRD files or somehow convert them. (This
variable is only applicable if the variable 'concurrentprobes' is
set in the 'General' section.)
Example value: 300
timeout
How long a single 'ping' takes at maximum
Example value: 15
Default value: 5
Supported target-specific variables:
/^influx_.+/
This is a tag that will be sent to influxdb and has no impact on the
probe measurement. The tag name will be sent without the "influx_"
prefix, which will be replaced with "tag_" instead. Tags can be used
for filtering.
Example value: influx_location = In the basement
lookup
Name of the host to look up in the dns.
Example value: www.example.org
pings
How many pings should be sent to each target, if different from the
global value specified in the Database section. Note that the number
of pings in the RRD files is fixed when they are originally
generated, and if you change this parameter afterwards, you'll have
to delete the old RRD files or somehow convert them.
Example value: 5
server
Name of the dns server to use.
Example value: ns1.someisp.net
AUTHORS
Igor Petrovski <pigor@myrealbox.com>,
Carl Elkins <carl@celkins.org.uk>,
Andre Stolze <stolze@uni-muenster.de>,
Niko Tyni <ntyni@iki.fi>,
Chris Poetzel<cpoetzel@anl.gov>
2.8.2 2024-02-04 Smokeping_probes_DNS(3)
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