[ixpmanager] BIRD2 configuration question

[Tom Duff]

Thanks for the replies everyone! This is exactly what I was looking
for, things are a lot more clear now.

--Tom


On Tue, Apr 6, 2021 at 10:38 AM Pete Ashdown <pashdown at xmission.com> wrote:
>
> On Ubuntu, I first disable the installed bird.service:
>
>      systemctl disable bird.service
>
>      systemctl mask bird.service
>
> Then I create two new bird services, one for v4 & v6, that point to new
> envvars files, that subsequently point to the IXP generated configs.
>
> /etc/bird/envvars-v4:
>
> BIRD_RUN_USER=bird
> BIRD_RUN_GROUP=bird
> BIRD_ARGS="-s /var/run/bird/bird-rs1-slix-ipv4.ctl -c
> /etc/bird/bird-rs1-slix-ip
> v4.conf"
>
> /etc/bird/envvars-v6:
>
> BIRD_RUN_USER=bird
> BIRD_RUN_GROUP=bird
> BIRD_ARGS="-s /var/run/bird/bird-rs1-slix-ipv6.ctl -c
> /etc/bird/bird-rs1-slix-ip
> v6.conf"
>
> /etc/systemd/system/bird-v4.service:
>
> [Unit]
> Description=BIRD Internet Routing Daemon v4
> After=network.target
>
> [Service]
> EnvironmentFile=/etc/bird/envvars-v4
> ExecStartPre=/usr/lib/bird/prepare-environment
> ExecStartPre=/usr/sbin/bird -p
> ExecReload=/usr/sbin/birdc configure
> ExecStart=/usr/sbin/bird -f -u $BIRD_RUN_USER -g $BIRD_RUN_GROUP $BIRD_ARGS
> Restart=on-abort
>
> [Install]
> WantedBy=multi-user.target
>
> /etc/systemd/system/bird-v6.service:
>
> [Unit]
> Description=BIRD Internet Routing Daemon v4
> After=network.target
>
> [Service]
> EnvironmentFile=/etc/bird/envvars-v6
> ExecStartPre=/usr/lib/bird/prepare-environment
> ExecStartPre=/usr/sbin/bird -p
> ExecReload=/usr/sbin/birdc configure
> ExecStart=/usr/sbin/bird -f -u $BIRD_RUN_USER -g $BIRD_RUN_GROUP $BIRD_ARGS
> Restart=on-abort
>
> [Install]
> WantedBy=multi-user.target
>
>
> Reload systemd and enable the services on boot:
>
>      systemctl daemon-reload
>
>      systemctl enable bird-v4
>
>      systemctl enable bird-v6
>
>
> On 4/6/21 7:15 AM, Tom Duff wrote:
> > Hi everyone,
> >
> > We're trying to transition from Birdv1 to v2 at our IX, and I was
> > looking through the ixpmanager mailing list archives to see if anyone
> > had any info about running two instances of BIRD v2 on the same box. I
> > saw this thread in which it was explained the decision behind not
> > unifying the config:
> >
> >   https://www.inex.ie/pipermail/ixpmanager/2019-August/002328.html
> >
> > ...which makes sense to me, but I've gone through all the bird docs,
> > and I cannot for the life of me figure out how to run an apt-installed
> > version of BIRD 2.0.7 as two separate daemons. I'm now thinking
> > there's no way to use the packaged version of bird, and compiling two
> > separate instances of BIRD v2 and running one with the IPv4-specific
> > config and one with the IPv6-specific config is what people are doing?
> >   Or is there some kind of compile-time flag that spits out the two
> > separate binaries (bird and bird6) like bird v1 used to have? I could
> > use a nudge in the right direction
>