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isolateNetwork for both IP version

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Signed-off-by: Benjamin Böhmke <benjamin@boehmke.net>
This commit is contained in:
Benjamin Böhmke 2020-07-21 17:56:35 +02:00
parent ccad03a139
commit 9bc2f88f04
1 changed files with 12 additions and 5 deletions
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17
libnetwork/drivers/bridge/bridge.go
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@ -323,7 +323,7 @@ func (n *bridgeNetwork) getEndpoint(eid string) (*bridgeEndpoint, error) {
// Install/Removes the iptables rules needed to isolate this network // Install/Removes the iptables rules needed to isolate this network
// from each of the other networks // from each of the other networks
func (n *bridgeNetwork) isolateNetwork(version iptables.IPVersion, others []*bridgeNetwork, enable bool) error { func (n *bridgeNetwork) isolateNetwork(others []*bridgeNetwork, enable bool) error {
n.Lock() n.Lock()
thisConfig := n.config thisConfig := n.config
n.Unlock() n.Unlock()
@ -333,7 +333,14 @@ func (n *bridgeNetwork) isolateNetwork(version iptables.IPVersion, others []*bri
} }
// Install the rules to isolate this network against each of the other networks // Install the rules to isolate this network against each of the other networks
return setINC(version, thisConfig.BridgeName, enable) if n.driver.config.EnableIP6Tables {
err := setINC(iptables.IPv6, thisConfig.BridgeName, enable)
if err != nil {
return err
}
}
return setINC(iptables.IPv4, thisConfig.BridgeName, enable)
} }
func (d *driver) configure(option map[string]interface{}) error { func (d *driver) configure(option map[string]interface{}) error {
@ -707,8 +714,8 @@ func (d *driver) createNetwork(config *networkConfiguration) (err error) {
// Add inter-network communication rules. // Add inter-network communication rules.
setupNetworkIsolationRules := func(config *networkConfiguration, i *bridgeInterface) error { setupNetworkIsolationRules := func(config *networkConfiguration, i *bridgeInterface) error {
if err := network.isolateNetwork(iptables.IPv4, networkList, true); err != nil { if err := network.isolateNetwork(networkList, true); err != nil {
if err = network.isolateNetwork(iptables.IPv4, networkList, false); err != nil { if err = network.isolateNetwork(networkList, false); err != nil {
logrus.Warnf("Failed on removing the inter-network iptables rules on cleanup: %v", err) logrus.Warnf("Failed on removing the inter-network iptables rules on cleanup: %v", err)
} }
return err return err
@ -716,7 +723,7 @@ func (d *driver) createNetwork(config *networkConfiguration) (err error) {
// register the cleanup function // register the cleanup function
network.registerIptCleanFunc(func() error { network.registerIptCleanFunc(func() error {
nwList := d.getNetworks() nwList := d.getNetworks()
return network.isolateNetwork(iptables.IPv4, nwList, false) return network.isolateNetwork(nwList, false)
}) })
return nil return nil
} }