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.. title: Running poudriere in ezjail
.. date: 2017/08/06 21:42
Ever since `poudriere <https://github.com/freebsd/poudriere>`_ was published, I felt the obligation to run a public repository with packages tuned to my needs (i.e. without X11, without Java, with a certain TLS library as default, etc). But considering this tool's complexity, I never felt comfortable running it on a production system's host. So naturally I've been looking for a way to jail it away and only 2 years after `this tutorial <https://github.com/freebsd/poudriere/wiki/poudriere_in_jail>`_ outlined how that works, I managed to acutally try it out. Long story short: This guide kinda works and I got poudriere running in a jail. But I want the jail to automatically start up, get the correct dataset attached and receive all permissions needed to do zfs stuff and creating its own builder jails, in other words: I wanted to embed it as an ezjail.
Now, turns out, that's actually not so hard: If you're running ezjail with zfs enabled, you first create the dataset for poudriere to work on::
zfs create -o jailed=on tank/poudriere
then you just create your poudriere jail, making sure to pass it an ::1 IP address::
ezjail-admin create -c zfs poudriere 127.0.0.1,lo0|::1
and then manually edit the two config lines in ``/usr/local/etc/ezjail/poudriere`` to read::
export jail_poudriere_parameters="children.max=10 allow.mount=1 allow.mount.devfs=1 allow.mount.procfs=1 allow.mount.zfs=1 allow.mount.nullfs=1 allow.raw_sockets=1 allow.socket_af=1 allow.sysvipc=1 allow.chflags=1 enforce_statfs=1"
export jail_poudriere_zfs_datasets="tank/poudriere"
dont forget that this jail needs a resolv.conf, too and now you can just::
ezjail-admin console -f poudriere
and follow `the FreeBSD handbook section on poudriere <https://www.freebsd.org/doc/handbook/ports-poudriere.html>`_ to get your poudriere jobs running. Since I wanted the web server jail to serve the packages, I exposed them in ``/etc/fstab.www_domain.com`` by adding a line::
/usr/jails/poudriere/tank/poudriere/data/packages /usr/jails/www.domain.com/packages nullfs ro 0 0
and after an ``ezjail-admin restart www.domain.com``, you should be able to use the packages built by adding a ``/usr/local/etc/pkg/repos/www.conf`` of::
www: {
url: "file:///packages/103amd64-local-workstation/",
enabled: yes
}
*Update:* Should you be missing the file systems inside your poudriere jail, make sure to mount them in your periodic script that runs poudriere (using ``zfs mount -a``, before running poudriere), or take a look at `the thread on the ezjail mailing list <https://elektropost.org/ezjail/msg00902.html>`_ regarding rc.d/zfs not finding the dataset when it's run.
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