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Always mount a /run tmpfs in the container

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All modern distros set up /run to be a tmpfs, see for instance:
https://wiki.debian.org/ReleaseGoals/RunDirectory

Its a very useful place to store pid-files, sockets and other things
that only live at runtime and that should not be stored in the image.

This is also useful when running systemd inside a container, as it
will try to mount /run if not already mounted, which will fail for
non-privileged container.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
This commit is contained in:
Alexander Larsson
2014-05-12 21:41:04 +02:00
parent 30a40de205
commit 905795ece6
3 changed files with 3 additions and 0 deletions
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daemon/execdriver/lxc/lxc_template.go
+1
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@@ -90,6 +90,7 @@ lxc.pivotdir = lxc_putold
# We cannot mount them directly read-only, because that would prevent loading AppArmor profiles.
lxc.mount.entry = proc {{escapeFstabSpaces $ROOTFS}}/proc proc nosuid,nodev,noexec 0 0
lxc.mount.entry = sysfs {{escapeFstabSpaces $ROOTFS}}/sys sysfs nosuid,nodev,noexec 0 0
lxc.mount.entry = tmpfs {{escapeFstabSpaces $ROOTFS}}/run tmpfs nosuid,nodev,noexec 0 0
{{if .Tty}}
lxc.mount.entry = {{.Console}} {{escapeFstabSpaces $ROOTFS}}/dev/console none bind,rw 0 0