SOLVED Iocage jail cold snapshot script - how to find the active pool?

[bal0an]

Is there a way to print the currently active pool?
iocage activate sets a pool for iocage use.
How can I find out the active pool?

I'd like to automatically take a cold snapshot of <zpool>/iocage which requires knowledge about the currently active pool.

Code:

#!/bin/bash
echo $(date '+%Y-%m-%d %H:%M:%S') "Stopping all jails..."
iocage stop --rc
SNAPSHOT_NAME=$(date "+auto-%Y%m%d-%H%M")
echo $(date '+%Y-%m-%d %H:%M:%S') "Taking snapshot $SNAPSHOT_NAME"
zfs snapshot -r <zpool>/iocage@$SNAPSHOT_NAME
echo $(date '+%Y-%m-%d %H:%M:%S') "Starting all jails..."
iocage start --rc
echo $(date '+%Y-%m-%d %H:%M:%S') "Done."

 

[sretalla]

Well it's not elegant, but jls will give you an output that shows the path to the jail root(s), so you could grep it from there.

jls | grep -m 1 mnt | cut -f3 -d/

 

[Alecmascot]

iocage get -p

 

[sretalla]

iocage get -p

Great! although that's not documented anywhere I could find.

I note that my option is faster by a second or two even though it's not as elegant/official.

 

[Alecmascot]

IOCAGE(8) - jail manager using ZFS and VNET

 

[sretalla]

IOCAGE(8) - jail manager using ZFS and VNET

Good to know... I always seem to get directed to these versions:

iocage(8)

www.freebsd.org