Esempio n. 1
0
    def set_master(self):
        """ Set the current router to master """
        if not self.cl.is_redundant():
            logging.error("Set master called on non-redundant router")
            return

        self.set_lock()
        logging.debug("Setting router to master")

        dev = ''
        interfaces = [interface for interface in self.address.get_interfaces() if interface.is_public()]
        route = CsRoute()
        for interface in interfaces:
            if dev == interface.get_device():
                continue
            dev = interface.get_device()
            logging.info("Will proceed configuring device ==> %s" % dev)
            cmd = "ip link set %s up" % dev
            if CsDevice(dev, self.config).waitfordevice():
                CsHelper.execute(cmd)
                logging.info("Bringing public interface %s up" % dev)

                try:
                    gateway = interface.get_gateway()
                    logging.info("Adding gateway ==> %s to device ==> %s" % (gateway, dev))
                    if dev == CsHelper.PUBLIC_INTERFACES[self.cl.get_type()]:
                        route.add_defaultroute(gateway)
                except Exception:
                    logging.error("ERROR getting gateway from device %s" % dev)
            else:
                logging.error("Device %s was not ready could not bring it up" % dev)

        logging.debug("Configuring static routes")
        static_routes = CsStaticRoutes("staticroutes", self.config)
        static_routes.process()

        cmd = "%s -C %s" % (self.CONNTRACKD_BIN, self.CONNTRACKD_CONF)
        CsHelper.execute("%s -c" % cmd)
        CsHelper.execute("%s -f" % cmd)
        CsHelper.execute("%s -R" % cmd)
        CsHelper.execute("%s -B" % cmd)
        CsHelper.service("ipsec", "restart")
        CsHelper.service("xl2tpd", "restart")

        interfaces = [interface for interface in self.address.get_interfaces() if interface.needs_vrrp()]
        for interface in interfaces:
            CsPasswdSvc(interface.get_ip()).restart()
            CsPasswdSvc(interface.get_gateway()).restart()

        CsHelper.service("dnsmasq", "restart")
        self.cl.set_master_state(True)
        self.cl.save()
        self.release_lock()

        interfaces = [interface for interface in self.address.get_interfaces() if interface.is_public()]
        CsHelper.reconfigure_interfaces(self.cl, interfaces)
        logging.info("Router switched to master mode")
Esempio n. 2
0
    def set_master(self):
        """ Set the current router to master """
        if not self.cl.is_redundant():
            logging.error("Set master called on non-redundant router")
            return

        self.set_lock()
        logging.debug("Setting router to master")

        dev = ''
        interfaces = [interface for interface in self.address.get_interfaces() if interface.is_public()]
        route = CsRoute()
        for interface in interfaces:
            if dev == interface.get_device():
                continue
            dev = interface.get_device()
            logging.info("Will proceed configuring device ==> %s" % dev)
            cmd = "ip link set %s up" % dev
            if CsDevice(dev, self.config).waitfordevice():
                CsHelper.execute(cmd)
                logging.info("Bringing public interface %s up" % dev)

                try:
                    gateway = interface.get_gateway()
                    logging.info("Adding gateway ==> %s to device ==> %s" % (gateway, dev))
                    if dev == CsHelper.PUBLIC_INTERFACES[self.cl.get_type()]:
                        route.add_defaultroute(gateway)
                except:
                    logging.error("ERROR getting gateway from device %s" % dev)
            else:
                logging.error("Device %s was not ready could not bring it up" % dev)

        logging.debug("Configuring static routes")
        static_routes = CsStaticRoutes("staticroutes", self.config)
        static_routes.process()

        cmd = "%s -C %s" % (self.CONNTRACKD_BIN, self.CONNTRACKD_CONF)
        CsHelper.execute("%s -c" % cmd)
        CsHelper.execute("%s -f" % cmd)
        CsHelper.execute("%s -R" % cmd)
        CsHelper.execute("%s -B" % cmd)
        CsHelper.service("ipsec", "restart")
        CsHelper.service("xl2tpd", "restart")
        interfaces = [interface for interface in self.address.get_interfaces() if interface.needs_vrrp()]
        for interface in interfaces:
            # Listen on local ip address, as cloud-init uses the 'dhcp-server-identifier' address,
            #  which unfortunately is not the gateway address.
            CsPasswdSvc(interface.get_ip()).start()

        CsHelper.service("dnsmasq", "restart")
        self.cl.set_master_state(True)
        self.cl.save()
        self.release_lock()

        interfaces = [interface for interface in self.address.get_interfaces() if interface.is_public()]
        CsHelper.reconfigure_interfaces(self.cl, interfaces)
        logging.info("Router switched to master mode")
Esempio n. 3
0
    def set_primary(self):
        """ Set the current router to primary """
        if not self.cl.is_redundant():
            logging.error("Set primary called on non-redundant router")
            return

        self.set_lock()
        logging.debug("Setting router to primary")

        dev = ''
        interfaces = [
            interface for interface in self.address.get_interfaces()
            if interface.is_public()
        ]
        route = CsRoute()
        for interface in interfaces:
            if dev == interface.get_device():
                continue
            dev = interface.get_device()
            logging.info("Will proceed configuring device ==> %s" % dev)
            cmd = "ip link set %s up" % dev
            if CsDevice(dev, self.config).waitfordevice():
                CsHelper.execute(cmd)
                logging.info("Bringing public interface %s up" % dev)

                try:
                    gateway = interface.get_gateway()
                    logging.info("Adding gateway ==> %s to device ==> %s" %
                                 (gateway, dev))
                    if dev == CsHelper.PUBLIC_INTERFACES[self.cl.get_type()]:
                        route.add_defaultroute(gateway)
                except Exception:
                    logging.error("ERROR getting gateway from device %s" % dev)
                if dev == CsHelper.PUBLIC_INTERFACES[self.cl.get_type()]:
                    try:
                        self._add_ipv6_to_interface(interface,
                                                    interface.get_ip6())
                        if interface.get_gateway6():
                            route.add_defaultroute_v6(interface.get_gateway6())
                    except Exception as e:
                        logging.error(
                            "ERROR adding IPv6, getting IPv6 gateway from device %s: %s"
                            % (dev, e))
            else:
                logging.error("Device %s was not ready could not bring it up" %
                              dev)

        self._add_ipv6_guest_gateway()

        logging.debug("Configuring static routes")
        static_routes = CsStaticRoutes("staticroutes", self.config)
        static_routes.process()

        cmd = "%s -C %s" % (self.CONNTRACKD_BIN, self.CONNTRACKD_CONF)
        CsHelper.execute("%s -c" % cmd)
        CsHelper.execute("%s -f" % cmd)
        CsHelper.execute("%s -R" % cmd)
        CsHelper.execute("%s -B" % cmd)
        CsHelper.service("ipsec", "restart")
        CsHelper.service("xl2tpd", "restart")

        interfaces = [
            interface for interface in self.address.get_interfaces()
            if interface.needs_vrrp()
        ]
        for interface in interfaces:
            if interface.is_added():
                CsPasswdSvc(interface.get_gateway() + "," +
                            interface.get_ip()).restart()

        CsHelper.service("dnsmasq", "restart")
        self.cl.set_primary_state(True)
        self.cl.save()
        self.release_lock()

        interfaces = [
            interface for interface in self.address.get_interfaces()
            if interface.is_public()
        ]
        CsHelper.reconfigure_interfaces(self.cl, interfaces)

        public_devices = list(
            set([interface.get_device() for interface in interfaces]))
        if len(public_devices) > 1:
            # Handle specific failures when multiple public interfaces

            public_devices.sort()

            # Ensure the default route is added, or outgoing traffic from VMs with static NAT on
            # the subsequent interfaces will go from the wrong IP
            route = CsRoute()
            dev = ''
            for interface in interfaces:
                if dev == interface.get_device():
                    continue
                dev = interface.get_device()
                gateway = interface.get_gateway()
                if gateway:
                    route.add_route(dev, gateway)

            # The first public interface has a static MAC address between VRs.  Subsequent ones don't,
            # so an ARP announcement is needed on failover
            for device in public_devices[1:]:
                logging.info("Sending garp messages for IPs on %s" % device)
                for interface in interfaces:
                    if interface.get_device() == device:
                        CsHelper.execute("arping -I %s -U %s -c 1" %
                                         (device, interface.get_ip()))

        logging.info("Router switched to primary mode")