Merge the criu branch, and the swrk branch, and add support for more criu options #1
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Containers support checkpointing and restore via criu(8) for linux containers. Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Also use pipes for non tty so that the parent's tty of the nsinit process does not leak into the conatiner. Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This is work in progress, integrating C/R support from https://github.com/SaiedKazemi/docker/tree/cr into the new libcontainer and nsinit. Signed-off-by: Saied Kazemi <saied@google.com>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
In this case CRIU will exit after restoring processes. Here is no reason to wait the init process. Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
criu swrk is a special mode when we don't want to execute a service, but want to use RPC. Here is more details: http://lists.openvz.org/pipermail/criu/2015-March/019400.html Another good feature of this mode is that we don't need to create action scripts and we will be able to remove the hack with saving StdFds. criu swrk is supported starting with CRIU 1.5.1. Signed-off-by: Andrey Vagin <avagin@openvz.org>
CRIU version must be 1.5.1 or higher Signed-off-by: Andrey Vagin <avagin@openvz.org>
This directory can be removed when criu completes. Signed-off-by: Andrey Vagin <avagin@openvz.org>
Everything must be in vendor/ Signed-off-by: Andrey Vagin <avagin@openvz.org>
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Also, make changes required to integrate back into Docker. See:
boucher/docker#1