addressing

package
v0.8.1 Latest Latest
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 Go to latest Published: Apr 6, 2017 License: Apache-2.0 Imports: 8 Imported by: 0

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Constants

View Source 
const (
	// DefaultIPv6Prefix is the prefix for all the IPv6 addresses.
	DefaultIPv6Prefix = "f00d::"
	// DefaultIPv6PrefixLen is the length used to allocate container IPv6 addresses from.
	DefaultIPv6PrefixLen = 112
	// DefaultIPv4Prefix is the prefix for all the IPv4 addresses.
	// %d is substituted with the last byte of first global IPv4 address
	// configured on the system.
	DefaultIPv4Prefix = "10.%d.0.1"
	// DefaultIPv4PrefixLen is the length used to allocate container IPv4 addresses from.
	DefaultIPv4PrefixLen = 16
	// DefaultIPv4ClusterPrefixLen is the IPv4 prefix length of the entire cluster.
	DefaultIPv4ClusterPrefixLen = 8
	// DefaultNAT46Prefix is the IPv6 prefix to represent NATed IPv4 addresses.
	DefaultNAT46Prefix = "0:0:0:0:0:FFFF::/96"
)

Variables

View Source 
var (

	// ClusterIPv6Mask represents the CIDR Mask for an entire cluster.
	ClusterIPv6Mask = net.CIDRMask(64, 128)
	// NodeIPv6Mask represents the CIDR Mask for the cilium node.
	NodeIPv6Mask = net.CIDRMask(96, 128)
	// StateIPv6Mask represents the CIDR Mask for the state position.
	StateIPv6Mask = net.CIDRMask(112, 128)

	// ContainerIPv6Mask is the IPv6 prefix length for address assigned to
	// container. The default is L3 only and thus /128.
	ContainerIPv6Mask = net.CIDRMask(128, 128)
	// ContainerIPv4Mask is the IPv4 prefix length for address assigned to
	// container. The default is L3 only and thus /32.
	ContainerIPv4Mask = net.CIDRMask(32, 32)

	// IPv6DefaultRoute is the default IPv6 route.
	IPv6DefaultRoute = net.IPNet{IP: net.IPv6zero, Mask: net.CIDRMask(0, 128)}
	// IPv4DefaultRoute is the default IPv4 route.
	IPv4DefaultRoute = net.IPNet{IP: net.IPv4zero, Mask: net.CIDRMask(0, 32)}
)
View Source 
var (
	ErrIPv4Invalid         = errors.New("Invalid IPv4 address")
	ErrIPv4NotConfigured   = errors.New("No IPv4 address configured")
	ErrNodeIPEndpointIDSet = errors.New("Endpoint ID set in IPv6 node address")
	ErrNodeIDZero          = errors.New("Node ID is zero (invalid)")
)

Functions

This section is empty.

Types

type CiliumIP 

type CiliumIP interface {
	NodeID() uint32
	State() uint16
	EndpointID() uint16
	IPNet(ones int) *net.IPNet
	EndpointPrefix() *net.IPNet
	IP() net.IP
	String() string
	IsIPv6() bool
}

type CiliumIPv4 

type CiliumIPv4 []byte

func DeriveCiliumIPv4 

func DeriveCiliumIPv4(src net.IP) CiliumIPv4

func NewCiliumIPv4 

func NewCiliumIPv4(address string) (CiliumIPv4, error)

func (CiliumIPv4) EndpointID 

func (ip CiliumIPv4) EndpointID() uint16

func (CiliumIPv4) EndpointPrefix 

func (ip CiliumIPv4) EndpointPrefix() *net.IPNet

func (CiliumIPv4) IP 

func (ip CiliumIPv4) IP() net.IP

func (CiliumIPv4) IPAMReq 

func (ip CiliumIPv4) IPAMReq() ipam.IPAMReq

func (CiliumIPv4) IPNet 

func (ip CiliumIPv4) IPNet(ones int) *net.IPNet

func (CiliumIPv4) IsIPv6 

func (ip CiliumIPv4) IsIPv6() bool

func (CiliumIPv4) MarshalJSON 

func (ip CiliumIPv4) MarshalJSON() ([]byte, error)

func (CiliumIPv4) NodeID 

func (ip CiliumIPv4) NodeID() uint32

func (CiliumIPv4) NodeIP 

func (ip CiliumIPv4) NodeIP() net.IP

NodeIP returns the node's IP based on an endpoint IP of the local node.

func (CiliumIPv4) State 

func (ip CiliumIPv4) State() uint16

func (CiliumIPv4) String 

func (ip CiliumIPv4) String() string

func (*CiliumIPv4) UnmarshalJSON 

func (ip *CiliumIPv4) UnmarshalJSON(b []byte) error

func (CiliumIPv4) ValidContainerIP 

func (ip CiliumIPv4) ValidContainerIP() bool

ValidContainerIP returns true if the IPv4 address is a valid IP for a container. To be valid must obey to the following rules: - Node ID, bits from 0 to 16, must be different than 0 - Endpoint ID, bits from 16 to 32, must be different than 0

func (CiliumIPv4) ValidNodeIP 

func (ip CiliumIPv4) ValidNodeIP() bool

ValidNodeIP returns true if the IPv4 address is a valid IP of a node.

type CiliumIPv6 

type CiliumIPv6 []byte

func DeriveCiliumIPv6 

func DeriveCiliumIPv6(src net.IP) CiliumIPv6

func NewCiliumIPv6 

func NewCiliumIPv6(address string) (CiliumIPv6, error)

NewCiliumIPv6 returns a IPv6 if the given `address` is: - An IPv6 address. - Node ID, bits from 112 to 120, must be different than 0 - Endpoint ID, bits from 120 to 128, must be equal to 0

func (CiliumIPv6) EndpointID 

func (ip CiliumIPv6) EndpointID() uint16

EndpointID returns the container ID portion of the address or 0.

func (CiliumIPv6) EndpointPrefix 

func (ip CiliumIPv6) EndpointPrefix() *net.IPNet

func (CiliumIPv6) HostIP 

func (ip CiliumIPv6) HostIP() net.IP

HostIP returns the host address from the node ID.

func (CiliumIPv6) IP 

func (ip CiliumIPv6) IP() net.IP

func (CiliumIPv6) IPAMReq 

func (ip CiliumIPv6) IPAMReq() ipam.IPAMReq

func (CiliumIPv6) IPNet 

func (ip CiliumIPv6) IPNet(ones int) *net.IPNet

func (CiliumIPv6) IsIPv6 

func (ip CiliumIPv6) IsIPv6() bool

func (CiliumIPv6) MarshalJSON 

func (ip CiliumIPv6) MarshalJSON() ([]byte, error)

func (CiliumIPv6) NodeID 

func (ip CiliumIPv6) NodeID() uint32

NodeID returns the node ID portion of the address or 0.

func (CiliumIPv6) NodeIP 

func (ip CiliumIPv6) NodeIP() net.IP

NodeIP returns the node's IP based on an endpoint IP of the local node.

func (CiliumIPv6) SetState 

func (ip CiliumIPv6) SetState(state uint16)

func (CiliumIPv6) State 

func (ip CiliumIPv6) State() uint16

func (CiliumIPv6) String 

func (ip CiliumIPv6) String() string

func (*CiliumIPv6) UnmarshalJSON 

func (ip *CiliumIPv6) UnmarshalJSON(b []byte) error

func (CiliumIPv6) ValidContainerIP 

func (ip CiliumIPv6) ValidContainerIP() bool

ValidContainerIP returns true if IP is a valid IP for a container. To be valid must obey to the following rules: - Node ID, bits from 64 to 96, must be different than 0 - State, bits from 96 to 112, must be 0 - Endpoint ID, bits from 112 to 128, must be different than 0

func (*CiliumIPv6) ValidNodeIP 

func (ip *CiliumIPv6) ValidNodeIP() bool

ValidNodeIP returns true if IP is a valid IP of a node. - Node ID, bits from 64 to 96, must be different than 0 - State, bits from 96 to 112, must be 0 - Endpoint ID, bits from 112 to 128, must be 0

type NodeAddress 

type NodeAddress struct {
	IPv6Address CiliumIPv6
	IPv6Route   net.IPNet

	IPv4Address CiliumIPv4
	IPv4Route   net.IPNet
}

func NewNodeAddress 

func NewNodeAddress(v6Address string, ipv4Range string, device string) (*NodeAddress, error)

NewNodeAddress allocate a new node address.

func (*NodeAddress) IPv4AllocRange 

func (a *NodeAddress) IPv4AllocRange() *net.IPNet

func (*NodeAddress) IPv4ClusterRange 

func (a *NodeAddress) IPv4ClusterRange() *net.IPNet

func (*NodeAddress) IPv6AllocRange 

func (a *NodeAddress) IPv6AllocRange() *net.IPNet

func (*NodeAddress) String 

func (a *NodeAddress) String() string

Source Files

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