ncc

Documentation

Overview

Package ncc implements the Seesaw v2 Network Control Centre component, which provides an interface for the Seesaw engine to manipulate and control network related configuration.

Index

• func Init()
• type SeesawNCC
  • func (ncc *SeesawNCC) ARPSendGratuitous(arp *ncctypes.ARPGratuitous, out *int) error
  • func (ncc *SeesawNCC) BGPAdvertiseVIP(vip net.IP, unused *int) error
  • func (ncc *SeesawNCC) BGPConfig(unused int, cfg *ncctypes.BGPConfig) error
  • func (ncc *SeesawNCC) BGPNeighbors(unused int, neighbors *ncctypes.BGPNeighbors) error
  • func (ncc *SeesawNCC) BGPWithdrawAll(unused int, reply *int) error
  • func (ncc *SeesawNCC) BGPWithdrawVIP(vip net.IP, unused *int) error
  • func (ncc *SeesawNCC) IPVSAddDestination(dst *ncctypes.IPVSDestination, out *int) error
  • func (ncc *SeesawNCC) IPVSAddService(svc *ipvs.Service, out *int) error
  • func (ncc *SeesawNCC) IPVSDeleteDestination(dst *ncctypes.IPVSDestination, out *int) error
  • func (ncc *SeesawNCC) IPVSDeleteService(svc *ipvs.Service, out *int) error
  • func (ncc *SeesawNCC) IPVSFlush(in int, out *int) error
  • func (ncc *SeesawNCC) IPVSGetService(si *ipvs.Service, s *ncctypes.IPVSServices) error
  • func (ncc *SeesawNCC) IPVSGetServices(in int, s *ncctypes.IPVSServices) error
  • func (ncc *SeesawNCC) IPVSUpdateDestination(dst *ncctypes.IPVSDestination, out *int) error
  • func (ncc *SeesawNCC) IPVSUpdateService(svc *ipvs.Service, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceAddVIP(vip *ncctypes.LBInterfaceVIP, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceAddVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceAddVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceDeleteVIP(vip *ncctypes.LBInterfaceVIP, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceDeleteVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceDeleteVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceDown(iface *ncctypes.LBInterface, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceInit(iface *ncctypes.LBInterface, out *int) error
  • func (ncc *SeesawNCC) LBInterfaceUp(iface *ncctypes.LBInterface, out *int) error
  • func (ncc *SeesawNCC) RouteDefaultIPv4(unused int, gateway *net.IP) error
• type Server
  • func NewServer(socket string) *Server
  • func (n *Server) Run()
  • func (n *Server) Shutdown()

Functions

func Init

func Init()

Init performs initialisation of the NCC components. Note: we cannot use a package-based init here since it would be triggered when ncc is imported by all other packages, including the NCC client.

Types

type SeesawNCC

type SeesawNCC struct{}

SeesawNCC provides the IPC interface for the network control component.

func (*SeesawNCC) ARPSendGratuitous

func (ncc *SeesawNCC) ARPSendGratuitous(arp *ncctypes.ARPGratuitous, out *int) error

ARPSendGratuitous sends a gratuitous ARP message via the specified interface.

func (*SeesawNCC) BGPAdvertiseVIP

func (ncc *SeesawNCC) BGPAdvertiseVIP(vip net.IP, unused *int) error

BGPAdvertiseVIP requests the Quagga BGP daemon to advertise the given VIP.

func (*SeesawNCC) BGPConfig

func (ncc *SeesawNCC) BGPConfig(unused int, cfg *ncctypes.BGPConfig) error

BGPConfig returns the current configuration for the Quagga BGP daemon.

func (*SeesawNCC) BGPNeighbors

func (ncc *SeesawNCC) BGPNeighbors(unused int, neighbors *ncctypes.BGPNeighbors) error

BGPNeighbors returns the current BGP neighbors for the Quagga BGP daemon.

func (*SeesawNCC) BGPWithdrawAll

func (ncc *SeesawNCC) BGPWithdrawAll(unused int, reply *int) error

BGPWithdrawAll removes all network advertisements from the Quagga BGP daemon.

func (*SeesawNCC) BGPWithdrawVIP

func (ncc *SeesawNCC) BGPWithdrawVIP(vip net.IP, unused *int) error

BGPWithdrawVIP requests the Quagga BGP daemon to withdraw the given VIP.

func (*SeesawNCC) IPVSAddDestination

func (ncc *SeesawNCC) IPVSAddDestination(dst *ncctypes.IPVSDestination, out *int) error

IPVSAddDestination adds the specified destination to the IPVS table.

func (*SeesawNCC) IPVSAddService

func (ncc *SeesawNCC) IPVSAddService(svc *ipvs.Service, out *int) error

IPVSAddService adds the specified service to the IPVS table.

func (*SeesawNCC) IPVSDeleteDestination

func (ncc *SeesawNCC) IPVSDeleteDestination(dst *ncctypes.IPVSDestination, out *int) error

IPVSDeleteDestination deletes the specified destination from the IPVS table.

func (*SeesawNCC) IPVSDeleteService

func (ncc *SeesawNCC) IPVSDeleteService(svc *ipvs.Service, out *int) error

IPVSDeleteService deletes the specified service from the IPVS table.

func (*SeesawNCC) IPVSFlush

func (ncc *SeesawNCC) IPVSFlush(in int, out *int) error

IPVSFlush flushes all services and destinations from the IPVS table.

func (*SeesawNCC) IPVSGetService

func (ncc *SeesawNCC) IPVSGetService(si *ipvs.Service, s *ncctypes.IPVSServices) error

IPVSGetService gets the currently configured service from the IPVS table, which matches the specified service.

func (*SeesawNCC) IPVSGetServices

func (ncc *SeesawNCC) IPVSGetServices(in int, s *ncctypes.IPVSServices) error

IPVSGetServices gets the currently configured services from the IPVS table.

func (*SeesawNCC) IPVSUpdateDestination

func (ncc *SeesawNCC) IPVSUpdateDestination(dst *ncctypes.IPVSDestination, out *int) error

IPVSUpdateDestination updates the specified destination in the IPVS table.

func (*SeesawNCC) IPVSUpdateService

func (ncc *SeesawNCC) IPVSUpdateService(svc *ipvs.Service, out *int) error

IPVSUpdateService updates the specified service in the IPVS table.

func (*SeesawNCC) LBInterfaceAddVIP

func (ncc *SeesawNCC) LBInterfaceAddVIP(vip *ncctypes.LBInterfaceVIP, out *int) error

LBInterfaceAddVIP adds the specified VIP to the load balancing interface.

func (*SeesawNCC) LBInterfaceAddVLAN

func (ncc *SeesawNCC) LBInterfaceAddVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error

LBInterfaceAddVLAN creates a VLAN interface on the load balancing interface.

func (*SeesawNCC) LBInterfaceAddVserver

func (ncc *SeesawNCC) LBInterfaceAddVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error

LBInterfaceAddVserver adds the specified Vserver to the load balancing interface.

func (*SeesawNCC) LBInterfaceDeleteVIP

func (ncc *SeesawNCC) LBInterfaceDeleteVIP(vip *ncctypes.LBInterfaceVIP, out *int) error

LBInterfaceDeleteVIP removes the specified VIP from the load balancing interface.

func (*SeesawNCC) LBInterfaceDeleteVLAN

func (ncc *SeesawNCC) LBInterfaceDeleteVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error

LBInterfaceDeleteVLAN deletes a VLAN interface from the load balancing interface.

func (*SeesawNCC) LBInterfaceDeleteVserver

func (ncc *SeesawNCC) LBInterfaceDeleteVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error

LBInterfaceDeleteVserver removes the specified Vserver from the load balancing interface.

func (*SeesawNCC) LBInterfaceDown

func (ncc *SeesawNCC) LBInterfaceDown(iface *ncctypes.LBInterface, out *int) error

LBInterfaceDown brings the load balancing interface down.

func (*SeesawNCC) LBInterfaceInit

func (ncc *SeesawNCC) LBInterfaceInit(iface *ncctypes.LBInterface, out *int) error

LBInterfaceInit initialises the load balancing interface for a Seesaw Node.

func (*SeesawNCC) LBInterfaceUp

func (ncc *SeesawNCC) LBInterfaceUp(iface *ncctypes.LBInterface, out *int) error

LBInterfaceUp brings the load balancing interface up.

func (*SeesawNCC) RouteDefaultIPv4

func (ncc *SeesawNCC) RouteDefaultIPv4(unused int, gateway *net.IP) error

RouteDefaultIPv4 returns the default route for IPv4 traffic.

type Server

type Server struct {
	// contains filtered or unexported fields
}

Server contains the data necessary to run the Seesaw v2 NCC server.

func NewServer

func NewServer(socket string) *Server

NewServer returns an initialised NCC Server struct.

func (*Server) Run

func (n *Server) Run()

Run starts the NCC server.

func (*Server) Shutdown

func (n *Server) Shutdown()

Shutdown signals the NCC server to shutdown.