Created
September 4, 2018 00:29
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excerpt of kubernetes/pkg/util/iptables/iptables.go
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// Connects to D-Bus and listens for FirewallD start/restart. (On non-FirewallD-using | |
// systems, this is effectively a no-op; we listen for the signals, but they will never be | |
// emitted, so reload() will never be called.) | |
func (runner *runner) connectToFirewallD() { | |
bus, err := runner.dbus.SystemBus() | |
if err != nil { | |
glog.V(1).Infof("Could not connect to D-Bus system bus: %s", err) | |
return | |
} | |
runner.hasListener = true | |
rule := fmt.Sprintf("type='signal',sender='%s',path='%s',interface='%s',member='Reloaded'", firewalldName, firewalldPath, firewalldInterface) | |
bus.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, rule) | |
rule = fmt.Sprintf("type='signal',interface='org.freedesktop.DBus',member='NameOwnerChanged',path='/org/freedesktop/DBus',sender='org.freedesktop.DBus',arg0='%s'", firewalldName) | |
bus.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, rule) | |
runner.signal = make(chan *godbus.Signal, 10) | |
bus.Signal(runner.signal) | |
go runner.dbusSignalHandler(bus) | |
} |
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