nsd users - Dec 2017 - Questions about nsd-control zonestatus

Hi!

I would like to feed the zonestatus of our slave-domains into our
monitoring.

# nsd-control zonestatus
zone:   at
        state: ok
        served-serial: "1513598401 since 2017-12-18T12:53:44"
        commit-serial: "1513663202 since 2017-12-19T06:06:09"
zone:   versicherung
        state: ok
        served-serial: "1513605664 since 2017-12-18T14:01:08"
        commit-serial: "1513670464 since 2017-12-19T08:01:10"
...


Are there tools available to parse the output?

Is it possible to get a more structured output (csv, json ...)?

The man page states: The state of the zone is printed as: 'master'
(master zones), 'ok' (slave zone is up-to-date), 'expired'
(slave zone
has expired), 'refreshing' (slave zone has transfers active).

Is it possible to detect refresh or axfr errors, e.g. the SOA
refresh-query to the master failed or the SOA query suceeded but the XFR
failed? I would like to detect errors before the status switches to expired.

Thanks
Klaus

On 19/12/2017 09:10, Klaus Darilion wrote:

Hi Klaus,
> Is it possible to detect refresh or axfr errors, e.g. the SOA
> refresh-query to the master failed or the SOA query suceeded but the XFR
> failed? I would like to detect errors before the status switches to
expired.
What you're asking for is essentially the last log entry for this zone.
It might actually be a good idea, assuming NSD is keeping (or can keep)
that data in memory to be able to print out.

A small observation is that NSD doesn't do separate SOA queries before
an XFR. It immediately attempts an XFR over TCP. It looks at the first
packet for the SOA record, and if the serial number is the same, it
abandons the XFR. If the master's serial is higher is completes the XFR.

Regards,
Anand

one more question:

# nsd-control zonestatus
zone:   at
        state: ok
        served-serial: "2018011732 since 2018-01-17T15:23:57"
        commit-serial: "2018011732 since 2018-01-17T15:23:57"



# nsd-control force_transfer at
ok

# nsd-control zonestatus
zone:   at
        state: refreshing
        served-serial: none
        commit-serial: none
        notified-serial: "0 since 2018-01-17T15:34:17"
        transfer: "TCP connected to 83.136.34.20"


IS this correct behavior? It is confusing that, during the transfer the
served-serial and commit-serial is "none".

Thanks
Klaus