[Dnsmasq-discuss] dnsmasq in docker container

[0zl]

Hi

On 8/25/24 12:07 PM, Danil Smirnov wrote:

> There is some evidence on the Internet that dnsmasq doesn't play well
> with Docker (when run in a Docker container), i.e.:
> https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2021q4/015909.html
That says:
> This software will then send the HUP signal to dnsmasq when the
> config files change.
I know that the author doesn't mention any issues reloading the
configuration file but I think it's worth noting that this is not what
the HUP signal does to dnsmasq. I made the same mistake previously in my
own script and in actuality this is what it does per the man page:
> When it receives a SIGHUP, dnsmasq clears its cache and then
> re-loads  /etc/hosts  and  /etc/ethers and any file given by
> --dhcp-hostsfile, --dhcp-hostsdir, --dhcp-optsfile,  --dhcp-
> optsdir,  --addn-hosts or --hostsdir.  The DHCP lease change
> script is called for all existing DHCP leases. If  --no-poll
> is  set  SIGHUP also re-reads /etc/resolv.conf.  SIGHUP does
> NOT re-read the configuration file.