Ping… Is this not possible, or did I miss something? I can add the mounts once the container is running, but that’s not always appropriate.
thanks, Ben > On Dec 12, 2017, at 6:51 AM, Ben Warren <b...@skyportsystems.com> wrote: > > Hi, > > I have a container with two overlapping bind mounts. I’m seeing that the > order in which they are applied does not seem to be consistent. > > Here’s a dump of the commands used: > > # Create a container from local image > /usr/bin/lxc init local:c1 c1 > # Add four bind mounts > /usr/bin/lxc config device add c1 build disk source=/home/ben/src path=/src > /usr/bin/lxc config device add c1 bincd disk source=/home/ben/src/sc/bin-cd > path=/src/sc/bin > /usr/bin/lxc config device add c1 pkgcd disk source=/home/ben/src/sc/pkg-cd > path=/src/sc/pkg > /usr/bin/lxc config device add c1 home disk source=/home/ben path=/home/ben > #set a bunch of config > /usr/bin/lxc config set c1 environment.PATH > /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/go/bin:/src/sc/bin > /usr/bin/lxc config set c1 environment.GOPATH /src/sc > /usr/bin/lxc config set c1 environment.SC_HOSTNAME localhost > /usr/bin/lxc config set c1 environment.WORKSPACE / > /usr/bin/lxc config set c1 environment.PYTHONPATH /src/sc/src > /usr/bin/lxc config set c1 raw.idmap "both 1001 0" > /usr/bin/lxc config set c1 raw.lxc lxc.aa_profile=unconfined > /usr/bin/lxc config device add c1 loop0 unix-block path=/dev/loop0 > /usr/bin/lxc config device add c1 loop1 unix-block path=/dev/loop1 > /usr/bin/lxc config device add c1 loop2 unix-block path=/dev/loop2 > /usr/bin/lxc config device add c1 loop3 unix-block path=/dev/loop3 > /usr/bin/lxc config device add c1 loop4 unix-block path=/dev/loop4 > /usr/bin/lxc config device add c1 loop5 unix-block path=/dev/loop5 > /usr/bin/lxc config device add c1 loop6 unix-block path=/dev/loop6 > /usr/bin/lxc config device add c1 loop7 unix-block path=/dev/loop7 > /usr/bin/lxc config device add c1 loop-control unix-char > path=/dev/loop-control > # Start the container > /usr/bin/lxc start c1 > > What I see is that sometimes (but not always) the “build” mount overlaps the > “bincd” mount, instead of the other way around. Note that these mounts are > configured before the container is started. Is it better to start the > container first, or is there a way to specify deterministically which order > the bind mounts will be applied? > > Version info: > > ben@skycontrol:~$ lxc --version > 2.0.10 > ben@skycontrol:~$ cat /etc/lsb-release > DISTRIB_ID=Ubuntu > DISTRIB_RELEASE=16.04 > DISTRIB_CODENAME=xenial > DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS” > > thanks, > Ben > >
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