Commit Graph
69 Commits
Author SHA1 Message Date
Alexander Larsson 757b577572 libcontainer: Use MS_PRIVATE instead of MS_SLAVE
Now that we unmount all the mounts from the global namespace we can
use a private namespace rather than a slave one (as we have no need
for unmounts of inherited global mounts to propagate into the
container).

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
2014-03-05 09:40:54 +01:00
Michael Crosby b07708c8de Add shm size cap to mount
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-03-04 14:18:40 -08:00
Guillaume J. Charmes 57a47f5bbf Remove /dev tmpfs mountpoint
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-03-04 13:21:22 -08:00
Guillaume J. Charmes c74a8b28cd remove /run mountpoint
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-03-04 12:32:17 -08:00
Guillaume J. Charmes 39d58129c3 Remove loopback mount bind
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-03-04 12:30:52 -08:00
Michael Crosby b63709c1f1 Merge pull request #4452 from crosbymichael/small-fixes-to-libcontainer
Add find tests and remove panic in DEBUG
2014-03-04 14:37:41 -05:00
Michael Crosby 7e52445f2f Add find tests and remove panic in DEBUG
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-03-04 08:55:12 -08:00
Alexander Larsson 5b5c884cc8 libcontainer: Use pivot_root instead of chroot
Instead of keeping all the old mounts in the container namespace and
just using subtree as root we pivot_root so that the actual root in
the namespace is the root we want, and then we unmount the previous
mounts.

This has multiple advantages:

* The namespace mount tree is smaller (in the kernel)
* If you break out of the chroot you could previously access the host
  filesystem. Now the host filesystem is fully invisible to the namespace.
* We get rid of all unrelated mounts from the parent namespace, which means
  we don't hog these. This is important if we later switch to MS_PRIVATE instead
  of MS_SLAVE as otherwise these mounts would be impossible to unmount from the
  parent namespace.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
2014-03-04 12:44:08 +01:00
Sven Dowideit 2e71adac9f very minor spelling
Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
2014-03-04 10:12:12 +10:00
Michael Crosby 5465fdf00f Factor out finalize namespace
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-03-03 12:15:47 -08:00
Michael Crosby 2f35f8e2a8 Update readme to remove .nspid
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-03-03 11:31:37 -08:00
Michael Crosby fdeea90fc8 Allow child process to live if daemon dies
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-27 09:33:36 -08:00
Michael Crosby fb08b8b221 Code review updates
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-26 19:21:46 -08:00
Michael Crosby 7cd2245947 Ensure that loopback devices are mounted inside the conatiner
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-26 17:21:09 -08:00
Michael Crosby 70820b69ec Make network a slice to support multiple types
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-26 14:20:41 -08:00
Michael Crosby 93ed15075c Fix cross compile for make cross
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-25 15:19:13 -08:00
Michael Crosby 96e33a7646 Move container.json and pid file into a root specific driver dir
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-25 12:41:31 -08:00
Guillaume J. Charmes 91bf120c51 Better capability/namespace management
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-02-24 21:52:29 -08:00
Michael Crosby f8453cd049 Refactor and improve libcontainer and driver
Remove logging for now because it is complicating things
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-24 21:11:52 -08:00
Michael Crosby 9cb4573d33 Improve logging for nsinit
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-24 18:38:36 -08:00
Michael Crosby a76407ac61 Cgroups allow devices for privileged containers
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-24 15:47:23 -08:00
Michael Crosby 1c79b747bb Honor user passed on container in nsinit
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-24 13:52:56 -08:00
Michael Crosby 01f9815b55 Fix tests with dockerinit lookup path
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-24 13:40:17 -08:00
Michael Crosby fac41af25b Refactor driver to use Exec function from nsini
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-22 01:21:26 -08:00
Michael Crosby ae423a036e Abstract out diff implementations for importing
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-22 00:29:21 -08:00
Michael Crosby 2412656ef5 Add syncpipe for passing context
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 22:58:30 -08:00
Michael Crosby dd59f7fb28 Refactor exec method
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 22:37:09 -08:00
Michael Crosby 5a4069f3aa Refactor network creation and initialization into strategies
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 22:26:07 -08:00
Michael Crosby 9876e5b890 Export functions of nsinit
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 21:14:21 -08:00
Michael Crosby 2419e63d24 Initial commit of libcontainer running docker
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 17:23:49 -08:00
Michael Crosby 332755b99d Pass tty master to Exec
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 16:40:32 -08:00
Michael Crosby c8fd81c278 Pass pipes into Exec function
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 16:28:43 -08:00
Michael Crosby a352ecb01a Use lookup path for init
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 16:17:18 -08:00
Michael Crosby ba025cb75c User os.Args[0] as name to reexec
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 15:32:50 -08:00
Michael Crosby 50c752fcb0 Add good logging support to both sides
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:17 -08:00
Michael Crosby 7f247e7006 Move tty into container.json
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:17 -08:00
Michael Crosby 6b2e963ce0 Refactor the flag management for main
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:17 -08:00
Michael Crosby 1316007e54 Make nsinit a proper go pkg and add the main in another dir
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:17 -08:00
Guillaume J. Charmes 66baa0653b Make sure to close the pipe upon ctrl-d
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-02-21 14:56:17 -08:00
Guillaume J. Charmes 1a4fb09219 Handle non-tty mode
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-02-21 14:56:17 -08:00
Guillaume J. Charmes 83dfdd1d95 Minor cleanup
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-02-21 14:56:17 -08:00
Guillaume J. Charmes 8dec4adcb3 Use a custom pipe instead of stdin for sync net namespace
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-02-21 14:56:16 -08:00
Guillaume J. Charmes b519d3ea5a Use flag for init
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
2014-02-21 14:56:16 -08:00
Michael Crosby 7020e208c7 Move rest of cgroups functions into cgroups pkg
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00
Michael Crosby 3cb698125d Change IP to address because it includes the subnet
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00
Michael Crosby c442586305 Refactory cgroups into general pkg
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00
Michael Crosby f00f374138 Remove clone_vfork
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00
Michael Crosby 5f84738ef1 Revert "WIP for setup kmsg"
This reverts commit 80db9a918337c4ae80ffa9a001da13bd24e848c8.

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00
Alexander Larsson 664fc54e65 libcontainer: Initial version of cgroups support
This is a minimal version of raw cgroup support for libcontainer.
It has only enough for what docker needs, and it has no support
for systemd yet.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
2014-02-21 14:56:16 -08:00
Michael Crosby f0b4dd6e58 WIP for setup kmsg
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00