Merge pull request #41622 from bboehmke/ipv6_nat

IPv6 iptables config option
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Sebastiaan van Stijn 2020-12-07 11:59:42 +01:00 committed by GitHub
commit cf31b9622a
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3 changed files with 6 additions and 0 deletions

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@ -34,6 +34,7 @@ func installConfigFlags(conf *config.Config, flags *pflag.FlagSet) error {
flags.BoolVar(&conf.EnableSelinuxSupport, "selinux-enabled", false, "Enable selinux support")
flags.Var(opts.NewNamedUlimitOpt("default-ulimits", &conf.Ulimits), "default-ulimit", "Default ulimits for containers")
flags.BoolVar(&conf.BridgeConfig.EnableIPTables, "iptables", true, "Enable addition of iptables rules")
flags.BoolVar(&conf.BridgeConfig.EnableIP6Tables, "ip6tables", false, "Enable addition of ip6tables rules")
flags.BoolVar(&conf.BridgeConfig.EnableIPForward, "ip-forward", true, "Enable net.ipv4.ip_forward")
flags.BoolVar(&conf.BridgeConfig.EnableIPMasq, "ip-masq", true, "Enable IP masquerading")
flags.BoolVar(&conf.BridgeConfig.EnableIPv6, "ipv6", false, "Enable IPv6 networking")

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@ -54,6 +54,7 @@ type BridgeConfig struct {
// Fields below here are platform specific.
EnableIPv6 bool `json:"ipv6,omitempty"`
EnableIPTables bool `json:"iptables,omitempty"`
EnableIP6Tables bool `json:"ip6tables,omitempty"`
EnableIPForward bool `json:"ip-forward,omitempty"`
EnableIPMasq bool `json:"ip-masq,omitempty"`
EnableUserlandProxy bool `json:"userland-proxy,omitempty"`

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@ -746,6 +746,9 @@ func verifyDaemonSettings(conf *config.Config) error {
if !conf.BridgeConfig.EnableIPTables && !conf.BridgeConfig.InterContainerCommunication {
return fmt.Errorf("You specified --iptables=false with --icc=false. ICC=false uses iptables to function. Please set --icc or --iptables to true")
}
if conf.BridgeConfig.EnableIP6Tables && !conf.Experimental {
return fmt.Errorf("ip6tables rules are only available if experimental features are enabled")
}
if !conf.BridgeConfig.EnableIPTables && conf.BridgeConfig.EnableIPMasq {
conf.BridgeConfig.EnableIPMasq = false
}
@ -911,6 +914,7 @@ func driverOptions(config *config.Config) []nwconfig.Option {
bridgeConfig := options.Generic{
"EnableIPForwarding": config.BridgeConfig.EnableIPForward,
"EnableIPTables": config.BridgeConfig.EnableIPTables,
"EnableIP6Tables": config.BridgeConfig.EnableIP6Tables,
"EnableUserlandProxy": config.BridgeConfig.EnableUserlandProxy,
"UserlandProxyPath": config.BridgeConfig.UserlandProxyPath}
bridgeOption := options.Generic{netlabel.GenericData: bridgeConfig}