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Diffstat (limited to 'libpod/networking_linux.go')
-rw-r--r--libpod/networking_linux.go26
1 files changed, 13 insertions, 13 deletions
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index 7d1214183..b734b9c95 100644
--- a/libpod/networking_linux.go
+++ b/libpod/networking_linux.go
@@ -322,17 +322,14 @@ func (r *RootlessNetNS) Do(toRun func() error) error {
// Cleanup the rootless network namespace if needed.
// It checks if we have running containers with the bridge network mode.
-// Cleanup() will try to lock RootlessNetNS, therefore you have to call
-// it with an unlocked lock.
+// Cleanup() expects that r.Lock is locked
func (r *RootlessNetNS) Cleanup(runtime *Runtime) error {
_, err := os.Stat(r.dir)
if os.IsNotExist(err) {
// the directory does not exists no need for cleanup
return nil
}
- r.Lock.Lock()
- defer r.Lock.Unlock()
- running := func(c *Container) bool {
+ activeNetns := func(c *Container) bool {
// no bridge => no need to check
if !c.config.NetMode.IsBridge() {
return false
@@ -352,15 +349,18 @@ func (r *RootlessNetNS) Cleanup(runtime *Runtime) error {
return false
}
- state := c.state.State
- return state == define.ContainerStateRunning
+ // only check for an active netns, we cannot use the container state
+ // because not running does not mean that the netns does not need cleanup
+ // only if the netns is empty we know that we do not need cleanup
+ return c.state.NetNS != nil
}
- ctrs, err := runtime.GetContainersWithoutLock(running)
+ ctrs, err := runtime.GetContainersWithoutLock(activeNetns)
if err != nil {
return err
}
- // no cleanup if we found containers
- if len(ctrs) > 0 {
+ // no cleanup if we found no other containers with a netns
+ // we will always find one container (the container cleanup that is currently calling us)
+ if len(ctrs) > 1 {
return nil
}
logrus.Debug("Cleaning up rootless network namespace")
@@ -809,10 +809,10 @@ func (r *Runtime) teardownNetwork(ns string, opts types.NetworkOptions) error {
if rootlessNetNS != nil {
// execute the cni setup in the rootless net ns
err = rootlessNetNS.Do(tearDownPod)
- rootlessNetNS.Lock.Unlock()
- if err == nil {
- err = rootlessNetNS.Cleanup(r)
+ if cerr := rootlessNetNS.Cleanup(r); cerr != nil {
+ logrus.WithError(err).Error("failed to cleanup rootless netns")
}
+ rootlessNetNS.Lock.Unlock()
} else {
err = tearDownPod()
}