ipam

Documentation

Index

• type Block
  • func NewBlock(ipCIDR, start, end string) (*Block, error)
  • func (b *Block) Allocate(ipReq net.IP) (*net.IPNet, error)
  • func (b *Block) Contains(ip net.IP) bool
  • func (b *Block) Overlapped(another *Block) bool
  • func (b *Block) PutBack(ip net.IP) bool
• type IPAddressManager
  • func NewIPAddressManager() *IPAddressManager
  • func (m *IPAddressManager) AddAddressBlock(cidr, start, end string) error
  • func (m *IPAddressManager) Allocate(ipReq net.IP) (*net.IPNet, error)
  • func (m *IPAddressManager) Check(ip string)
  • func (m *IPAddressManager) PutBack(ip net.IP)

Types

type Block

type Block struct {
	Start *big.Int
	End   *big.Int
	Mask  net.IPMask
	// contains filtered or unexported fields
}

func NewBlock

func NewBlock(ipCIDR, start, end string) (*Block, error)

func (*Block) Allocate

func (b *Block) Allocate(ipReq net.IP) (*net.IPNet, error)

Allocate one ip address from this block, if `ipReq` is not empty, will allocate one ip address not used in sequence

func (*Block) Contains

func (b *Block) Contains(ip net.IP) bool

func (*Block) Overlapped

func (b *Block) Overlapped(another *Block) bool

func (*Block) PutBack

func (b *Block) PutBack(ip net.IP) bool

type IPAddressManager

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

func NewIPAddressManager

func NewIPAddressManager() *IPAddressManager

func (*IPAddressManager) AddAddressBlock

func (m *IPAddressManager) AddAddressBlock(cidr, start, end string) error

AddAddressBlock adds one block allocation pool

func (*IPAddressManager) Allocate

func (m *IPAddressManager) Allocate(ipReq net.IP) (*net.IPNet, error)

Allocate one ip address from blocks, if `ipReq` is nil, will try to allocate a ip address from blocks in sequence

func (*IPAddressManager) Check

func (m *IPAddressManager) Check(ip string)

Check if ip is managed

func (*IPAddressManager) PutBack

func (m *IPAddressManager) PutBack(ip net.IP)

PutBack one ip address