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Merge pull request #23083 from Luap99/restore-hosts

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restore: fix missing network setup
This commit is contained in:
openshift-merge-bot[bot]
2024-06-25 11:29:20 +00:00
committed by GitHub
parent ac4143adda def182d396
commit f62c3ec561
2 changed files with 16 additions and 0 deletions
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9
libpod/container_internal_common.go
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@ -1725,6 +1725,15 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti
}
}
// setup hosts/resolv.conf files
// Note this should normally be called after the container is created in the runtime but before it is started.
// However restore starts the container right away. This means that if we do the call afterwards there is a
// short interval where the file is still empty. Thus I decided to call it before which makes it not working
// with PostConfigureNetNS (userns) but as this does not work anyway today so I don't see it as problem.
if err := c.completeNetworkSetup(); err != nil {
return nil, 0, fmt.Errorf("complete network setup: %w", err)
}
runtimeRestoreDuration, err = c.ociRuntime.CreateContainer(c, &options)
if err != nil {
return nil, 0, err

7
test/system/520-checkpoint.bats
View File

@ -247,6 +247,9 @@ function teardown() {
run_podman inspect $cid --format "{{(index .NetworkSettings.Networks \"$netname\").MacAddress}}"
mac1="$output"
run_podman exec $cid cat /etc/hosts /etc/resolv.conf
pre_hosts_resolv_conf_output="$output"
run_podman container checkpoint $cid
is "$output" "$cid"
run_podman container restore $cid
@ -258,6 +261,10 @@ function teardown() {
run_podman inspect $cid --format "{{(index .NetworkSettings.Networks \"$netname\").MacAddress}}"
mac2="$output"
# Make sure hosts and resolv.conf are the same after restore (#22901)
run_podman exec $cid cat /etc/hosts /etc/resolv.conf
assert "$output" == "$pre_hosts_resolv_conf_output" "hosts/resolv.conf must be the same after checkpoint"
assert "$ip2" == "$ip1" "ip after restore should match"
assert "$mac2" == "$mac1" "mac after restore should match"