[nsd-users] NSD4 occassionally fails to start after _server_ restart -- related to log rotation?

[pgndev]

I've built/installed

/usr/local/nsd4/sbin/nsd -v
NSD version 4.1.25
Written by NLnet Labs.

Copyright (C) 2001-2006 NLnet Labs. This is free software.
There is NO warranty; not even for MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.

Runs well.

On server restart, I find occassionally that NSD4's not UP. starting it
manually is immediately successful.

I've found, so far, no relevant errors in systemd journal or nsd logs.

I did noticed, checking immediately after noticing one of these^ 'bad'
restarts,

systemctl status -l nsd4-custom
● nsd4-custom.service - NSD4 DNS Server
Loaded: loaded (/etc/systemd/system/nsd4-custom.service;
enabled; vendor preset: disabled)
!!! Active: inactive (dead) since Wed 2018-10-17 11:14:41 PDT;
30min ago
Process: 1367 ExecStopPost=/bin/rm -f
/var/chroot/nsd4/var/db/nsd/xfrd.state (code=exited, status=0/SUCCESS)
Process: 1296 ExecStop=/usr/local/nsd4/sbin/nsd-control -c
/var/chroot/nsd4/etc/nsd.conf stop (code=exited, status=0/SUCCESS)
Process: 1280 ExecStart=/usr/local/nsd4/sbin/nsd-control -c
/var/chroot/nsd4/etc/nsd.conf start (code=exited, status=0/SUCCESS)
Main PID: 1280 (code=exited, status=0/SUCCESS)

Warning: Journal has been rotated since unit was started. Log

output is incomplete or unavailable.


Don't know if that's 'fatal' to nsd.

I launch nsd with systemd,

cat /etc/systemd/system/nsd4-custom.service
[Unit]
Description=NSD4 DNS Server
After=syslog.target network-online.target
Before=nsd4-custom.target
Before=unbound.service
Requires=unbound.service

[Service]
PIDFile=/var/chroot/nsd4/var/run/nsd/nsd.pid
ExecStart=/usr/local/nsd4/sbin/nsd-control -c
/var/chroot/nsd4/etc/nsd.conf start
ExecReload=/usr/local/nsd4/sbin/nsd-control -c
/var/chroot/nsd4/etc/nsd.conf reload
ExecStop=/usr/local/nsd4/sbin/nsd-control -c
/var/chroot/nsd4/etc/nsd.conf stop
ExecStopPost=/bin/rm -f /var/chroot/nsd4/var/db/nsd/xfrd.state

[Install]
WantedBy=multi-user.target

and rotate logs with

cat /etc/logrotate.d/nsd4
/var/log/nsd4/*.log {
daily
missingok
rotate 14
compress
delaycompress
compresscmd /usr/bin/xz
uncompresscmd /usr/bin/unxz
create 640 nsd nsd
sharedscripts
dateext
dateformat .%Y-%m-%d.%s
postrotate
/usr/local/nsd4/sbin/nsd-control log_reopen
endscript
}

Is any of that^ problematic, possibly causal? Or is there some other place
I should be looking?

[Anand Buddhdev]

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