rootlessport: honor ctr.runtime.config.TmpDir

Previously, rootlessport was using /var/tmp as the tmp dir.

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

1 files changed, 2 insertions, 1 deletions

diff --git a/pkg/rootlessport/rootlessport_linux.go b/pkg/rootlessport/rootlessport_linux.go
index 88105733f..3e678d33a 100644
--- a/pkg/rootlessport/rootlessport_linux.go
+++ b/pkg/rootlessport/rootlessport_linux.go
@@ -46,6 +46,7 @@ type Config struct {
 	NetNSPath string
 	ExitFD    int
 	ReadyFD   int
+	TmpDir    string
 }
 
 func init() {
@@ -101,7 +102,7 @@ func parent() error {
 	}
 
 	// create the parent driver
-	stateDir, err := ioutil.TempDir("", "rootlessport")
+	stateDir, err := ioutil.TempDir(cfg.TmpDir, "rootlessport")
 	if err != nil {
 		return err
 	}