Add docs about 'bastille_zfs_prefix'

[tschettervictor]

Also removed redundant bastille_prefix var inside zfs block. That var is defined at the top of the config file.

[tschettervictor]

Just a quick question. Why does bastille mount the zfs datasets to /usr/local/bastille instead of just creating the datasets inside zroot/bastille without mounting them?

[yaazkal]

Thanks for the PR, answering your question: that's a configuration option, you can set bastille_prefix to whatever you want, the default value is /usr/local/bastille. That said, not sure about why that path was defined it the beginning, but sure is not defaulting to be under any zroot since we do also support UFS :)

[tschettervictor]

So that means the actual jails will then be located at /usr/local/bastille/jails/...

On my system there is nothing located under zroot/bastille even though it shows that dataset exists.

root@test:~ # zfs list

zroot/bastille                                 1.80G  27.5G   416K  /usr/local/bastille
zroot/bastille/backups                          384K  27.5G   384K  /usr/local/bastille/backups
zroot/bastille/cache                            400M  27.5G   191M  /usr/local/bastille/cache
zroot/bastille/cache/13.4-RELEASE               209M  27.5G   209M  /usr/local/bastille/cache/13.4-RELEASE
zroot/bastille/jails                           40.0M  27.5G   384K  /usr/local/bastille/jails
zroot/bastille/jails/test                      19.9M  27.5G   400K  /usr/local/bastille/jails/test
zroot/bastille/jails/test/root                 19.5M  27.5G  19.5M  /usr/local/bastille/jails/test/root
zroot/bastille/jails/tst1                      19.7M  27.5G   400K  /usr/local/bastille/jails/tst1
zroot/bastille/jails/tst1/root                 19.3M  27.5G  19.3M  /usr/local/bastille/jails/tst1/root
zroot/bastille/logs                             480K  27.5G   480K  /var/log/bastille
zroot/bastille/releases                        1.37G  27.5G   642M  /usr/local/bastille/releases
zroot/bastille/releases/13.4-RELEASE            764M  27.5G   764M  /usr/local/bastille/releases/13.4-RELEASE
zroot/bastille/templates                        384K  27.5G   384K  /usr/local/bastille/templates

But there is no directory present. I'm assuming that is because of where it is mounted.

root@test:~ # cd /zroot
root@test:/zroot # ls
root@test:/zroot #

[yaazkal]

So that means the actual jails will then be located at /usr/local/bastille/jails/

Yes

I'm assuming that is because of where it is mounted.

Exactly, that's ZFS behavior