docker: cleanup netns file when stop docker daemon

fix #I5W2XY

(cherry picked from commit a81ea9875a9ca5bb61fcccc747b4a9f73a175680)

VERSION-openeuler

@@ -1 +1 @@
-18.09.0.244
+18.09.0.245

docker-engine-openeuler.spec

@@ -199,6 +199,12 @@ fi
 %endif
 
 %changelog
+* Tue Nov 22 2022 chenjiankun<chenjiankun1@huawei.com> - 18.09.0-245
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:cleanup netns file when stop docker daemon
+
 * Sat Oct 15 2022 DCCooper <1866858@gmail.com> - 18.09.0-244
 - Type:bugfix
 - CVE:NA

patch/0232-docker-cleanup-netns-file-when-close-docker-daemon.patch

@@ -0,0 +1,38 @@
+From 26f9b14362ee9859e221e73e57b73abbe7f812f8 Mon Sep 17 00:00:00 2001
+From: chenjiankun <chenjiankun1@huawei.com>
+Date: Thu, 8 Sep 2022 20:41:30 +0800
+Subject: [PATCH] docker: cleanup netns file when close docker daemon
+
+When the docker daemon shutdown, if LiveRestoreEnabled is true and
+there are containers still running, we will not call the netns GC
+and will cause netns file leak. We need to call netns GC manually.
+---
+ components/engine/daemon/daemon.go | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/components/engine/daemon/daemon.go b/components/engine/daemon/daemon.go
+index 5c6be8e45..6e3477bf5 100644
+--- a/components/engine/daemon/daemon.go
++++ b/components/engine/daemon/daemon.go
+@@ -70,6 +70,7 @@ import (
+ 	"github.com/docker/libnetwork"
+ 	"github.com/docker/libnetwork/cluster"
+ 	nwconfig "github.com/docker/libnetwork/config"
++	"github.com/docker/libnetwork/osl"
+ 	"github.com/opencontainers/runtime-spec/specs-go"
+ 	"github.com/pkg/errors"
+ )
+@@ -1295,6 +1296,10 @@ func (daemon *Daemon) ShutdownTimeout() int {
+ // Shutdown stops the daemon.
+ func (daemon *Daemon) Shutdown() error {
+ 	daemon.shutdown = true
++
++	// netns file in GC need some cleanup first
++	osl.GC()
++
+ 	// Keep mounts and networking running on daemon shutdown if
+ 	// we are to keep containers running and restore them.
+ 
+-- 
+2.23.0
+

series.conf

@@ -225,4 +225,5 @@ patch/0228-docker-fix-terminal-abnormal-after-docker-run.patch
 patch/0229-docker-Add-an-ExitPid-field-for-State-struct-to-reco.patch
 patch/0230-docker-AdditionalGids-must-include-effective-group-I.patch
 patch/0231-docker-ensure-layer-digest-folder-removed-if-ls.driv.patch
+patch/0232-docker-cleanup-netns-file-when-close-docker-daemon.patch
 #end