stgraber@dakara:~/data/code/lxc/lxc$ lxc-start-ephemeral -o blah -d | grep
"lxc-console" | awk '{print $NF}'
blah-psrfp_3s
Not the prettiest thing ever, but definitively doable with current
lxc-start-ephemeral.
I won't be spending more time on lxc-start-ephemeral though as we'll have the
new lxc-copy there soon that will take-over most if not all of it
(lxc-start-ephemeral will likely be gone in 2.0).
So marking this fix-released as the above does work.
** Changed in: lxc (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1197754
Title:
print lxc-start-ephemeral container name in a machine-readable way
Status in autopkgtest package in Ubuntu:
Triaged
Status in lxc package in Ubuntu:
Fix Released
Bug description:
A script cannot call lxc-start-ephemeral and get a named container in
a reliable, race-free way.
Having the caller specify a name directly is racy, since the name
could have been taken in between checking that it doesn't exist
already and calling lxc-start-ephemeral.
Allowing lxc-start-ephemeral allows it to take care of the mkdir (and
retries) to generate an LXC container name in a race free manner, but
this needs -d to return the name in a machine-readable way, so that we
can create ephemeral LXC containers from scripts.
Please add a machine-readable mechanism to "lxc-start-ephemeral -d"
and then we can modify adt-virt-lxc to use it.
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