Example #1
0
func createDNSServer(config dnsConfig, router *mesh.Router, isKnownPeer func(mesh.PeerName) bool) (*nameserver.Nameserver, *nameserver.DNSServer) {
	ns := nameserver.New(router.Ourself.Peer.Name, config.Domain, isKnownPeer)
	router.Peers.OnGC(func(peer *mesh.Peer) { ns.PeerGone(peer.Name) })
	ns.SetGossip(router.NewGossip("nameserver", ns))
	dnsserver, err := nameserver.NewDNSServer(ns, config.Domain, config.ListenAddress,
		config.EffectiveListenAddress, uint32(config.TTL), config.ClientTimeout)
	if err != nil {
		Log.Fatal("Unable to start dns server: ", err)
	}
	listenAddr := config.ListenAddress
	if config.EffectiveListenAddress != "" {
		listenAddr = config.EffectiveListenAddress
	}
	Log.Println("Listening for DNS queries on", listenAddr)
	return ns, dnsserver
}
Example #2
0
func createAllocator(router *mesh.Router, ipRangeStr string, defaultSubnetStr string, quorum uint, isKnownPeer func(mesh.PeerName) bool) (*ipam.Allocator, address.CIDR) {
	ipRange := parseAndCheckCIDR(ipRangeStr)
	defaultSubnet := ipRange
	if defaultSubnetStr != "" {
		defaultSubnet = parseAndCheckCIDR(defaultSubnetStr)
		if !ipRange.Range().Overlaps(defaultSubnet.Range()) {
			Log.Fatalf("IP address allocation default subnet %s does not overlap with allocation range %s", defaultSubnet, ipRange)
		}
	}
	allocator := ipam.NewAllocator(router.Ourself.Peer.Name, router.Ourself.Peer.UID, router.Ourself.Peer.NickName, ipRange.Range(), quorum, isKnownPeer)

	allocator.SetInterfaces(router.NewGossip("IPallocation", allocator))
	allocator.Start()

	return allocator, defaultSubnet
}