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-rw-r--r--libpod/network/cni/cni_exec.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/libpod/network/cni/cni_exec.go b/libpod/network/cni/cni_exec.go
index c4d7f49f7..ae857bcfb 100644
--- a/libpod/network/cni/cni_exec.go
+++ b/libpod/network/cni/cni_exec.go
@@ -30,6 +30,7 @@ import (
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/version"
+ "github.com/containers/podman/v3/pkg/rootless"
)
type cniExec struct {
@@ -67,6 +68,17 @@ func (e *cniExec) ExecPlugin(ctx context.Context, pluginPath string, stdinData [
c.Stdout = stdout
c.Stderr = stderr
+ // The dnsname plugin tries to use XDG_RUNTIME_DIR to store files.
+ // podman run will have XDG_RUNTIME_DIR set and thus the cni plugin can use
+ // it. The problem is that XDG_RUNTIME_DIR is unset for the conmon process
+ // for rootful users. This causes issues since the cleanup process is spawned
+ // by conmon and thus not have XDG_RUNTIME_DIR set to same value as podman run.
+ // Because of it dnsname will not find the config files and cannot correctly cleanup.
+ // To fix this we should also unset XDG_RUNTIME_DIR for the cni plugins as rootful.
+ if !rootless.IsRootless() {
+ c.Env = append(c.Env, "XDG_RUNTIME_DIR=")
+ }
+
err := c.Run()
if err != nil {
return nil, annotatePluginError(err, pluginPath, stdout.Bytes(), stderr.Bytes())