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libnetwork/rootlessnetns: create run dir explicitly #2042

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Jun 11, 2024
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libnetwork/rootlessnetns: create run dir explicitly #2042

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4 changes: 4 additions & 0 deletions libnetwork/internal/rootlessnetns/netns_linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -462,6 +462,10 @@ func (n *Netns) setupMounts() error {

// 5. Mount the new prepared run dir to /run, it has to be recursive to keep the other bind mounts.
runDir := n.getPath("run")
err = os.MkdirAll(runDir, 0o700)
if err != nil {
return wrapError("create run directory", err)
}
// relabel the new run directory to the iptables /run label
// this is important, otherwise the iptables command will fail
err = label.Relabel(runDir, "system_u:object_r:iptables_var_run_t:s0", false)
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