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authorAdrian Reber <areber@redhat.com>2021-07-12 11:43:45 +0000
committerAdrian Reber <adrian@lisas.de>2021-07-27 16:10:44 +0200
commiteb94467780eab06a452586c9751fc4f571d9e089 (patch)
tree7fd60bf5369ae2da6c4661ba2c20e80267abf0c5 /pkg/domain/infra
parent3375cbb198c74e895624eada148edff514b64d35 (diff)
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Support checkpoint/restore with pods
This adds support to checkpoint containers out of pods and restore container into pods. It is only possible to restore a container into a pod if it has been checkpointed out of pod. It is also not possible to restore a non pod container into a pod. The main reason this does not work is the PID namespace. If a non pod container is being restored in a pod with a shared PID namespace, at least one process in the restored container uses PID 1 which is already in use by the infrastructure container. If someone tries to restore container from a pod with a shared PID namespace without a shared PID namespace it will also fail because the resulting PID namespace will not have a PID 1. Signed-off-by: Adrian Reber <areber@redhat.com>
Diffstat (limited to 'pkg/domain/infra')
-rw-r--r--pkg/domain/infra/abi/containers.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 2c89fc66b..2003879b8 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -529,6 +529,7 @@ func (ic *ContainerEngine) ContainerRestore(ctx context.Context, namesOrIds []st
IgnoreStaticIP: options.IgnoreStaticIP,
IgnoreStaticMAC: options.IgnoreStaticMAC,
ImportPrevious: options.ImportPrevious,
+ Pod: options.Pod,
}
filterFuncs := []libpod.ContainerFilter{