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Merge pull request #47212 from MrHohn/kubelet-iptables-lock

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Make kubelet touch iptables lock file during initialization
This commit is contained in:
Dawn Chen 2017-06-09 16:44:00 -07:00 committed by GitHub
commit 2a5ac62dd4
1 changed files with 10 additions and 0 deletions
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10
pkg/kubelet/kubelet.go
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@ -507,6 +507,16 @@ func NewMainKubelet(kubeCfg *componentconfig.KubeletConfiguration, kubeDeps *Kub
}
glog.Infof("Hairpin mode set to %q", hairpinMode)
// TODO(#36485) Remove this workaround once we fix the init-container issue.
// Touch iptables lock file, which will be shared among all processes accessing
// the iptables.
f, err := os.OpenFile(utilipt.LockfilePath16x, os.O_CREATE, 0600)
if err != nil {
glog.Warningf("Failed to open iptables lock file: %v", err)
} else if err = f.Close(); err != nil {
glog.Warningf("Failed to close iptables lock file: %v", err)
}
if plug, err := network.InitNetworkPlugin(kubeDeps.NetworkPlugins, crOptions.NetworkPluginName, &criNetworkHost{&networkHost{klet}, &network.NoopPortMappingGetter{}}, hairpinMode, kubeCfg.NonMasqueradeCIDR, int(crOptions.NetworkPluginMTU)); err != nil {
return nil, err
} else {