ipmgr

package

v0.0.0-...-aab1398 Latest Latest Go to latest Published: Jan 17, 2019 License: Apache-2.0 Imports: 7 Imported by: 0

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Repository

github.com/davidwalter0/loadbalancer

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Open Source Insights

README ¶

Manage routes / addresses for external ip addresses

add the option to add ip addresses from the load balancer service definition
- add if not present
- maintain a map of addresses
- remove when the last load balancer using the address is removed

Documentation ¶

Index ¶

Variables
func CIDR2Addr(c *CIDR) (addr *netlink.Addr)
func IPv4CIDRString2Mask(ip string) (string, error)
func LinkAddrList() (Addrs []netlink.Addr)
func LinkAddrListByName(linkName string) (Addrs []netlink.Addr)
func LinkDefaultAddr(link string) *netlink.Addr
func LinkIPv4AddrListByName(linkName string) (Addrs []netlink.Addr)
func LinkIPv6AddrListByName(linkName string) (Addrs []netlink.Addr)
func LinkList() ([]netlink.Link, error)
func LinkNames() (names []string)
func SubNet(addr *netlink.Addr) (ip net.IP, subnet *net.IPNet, err error)
type CIDR
type LinkAddr
type LoadBalancerIPs

Constants ¶

This section is empty.

Variables ¶

View Source

var Bits string

Bits default link CIDR bits abbrev

View Source

var Debug bool

Debug set by initializer

View Source

var IP string

IP default link IP

View Source

var LinkDevice string

LinkDevice default link device to use for external ip addresses

Functions ¶

func CIDR2Addr ¶

func CIDR2Addr(c *CIDR) (addr *netlink.Addr)

CIDR2Addr convert from CIDR to a netlink.Addr

func IPv4CIDRString2Mask ¶

func IPv4CIDRString2Mask(ip string) (string, error)

IPv4CIDRString2Mask ip/bit string to subnet mask

func LinkAddrList ¶

func LinkAddrList() (Addrs []netlink.Addr)

LinkAddrList of all devices for all families

func LinkAddrListByName ¶

func LinkAddrListByName(linkName string) (Addrs []netlink.Addr)

LinkAddrListByName addresses for one device for all address families

func LinkDefaultAddr ¶

func LinkDefaultAddr(link string) *netlink.Addr

LinkDefaultAddr assume that the first address is canonical for a device and shouldn't be modified, removed and describes the subnet bits/routes

func LinkIPv4AddrListByName ¶

func LinkIPv4AddrListByName(linkName string) (Addrs []netlink.Addr)

LinkIPv4AddrListByName addresses for one device for ipv4

func LinkIPv6AddrListByName ¶

func LinkIPv6AddrListByName(linkName string) (Addrs []netlink.Addr)

LinkIPv6AddrListByName addresses for one device for ipv6

func LinkList ¶

func LinkList() ([]netlink.Link, error)

LinkList array of ether devices from netlink lib

func LinkNames ¶

func LinkNames() (names []string)

LinkNames list all network device names

func SubNet ¶

func SubNet(addr *netlink.Addr) (ip net.IP, subnet *net.IPNet, err error)

SubNet returns the ip, subnetwork and error (if any) of the CIDR

Types ¶

type CIDR ¶

type CIDR struct {
	IP         string
	Bits       string
	LinkDevice string
}

CIDR ip/bits CIDR struct

var DefaultCIDR *CIDR

DefaultCIDR default link device to use for external ip addresses

func Addr2CIDR ¶

func Addr2CIDR(addr netlink.Addr) (c *CIDR)

Addr2CIDR convert from netlink.Addr

func LinkDefaultCIDR ¶

func LinkDefaultCIDR(link string) *CIDR

LinkDefaultCIDR assume that the first address is canonical for a device and shouldn't be modified, removed and describes the subnet bits/routes

func StringToCIDR ¶

func StringToCIDR(cidr string) (c *CIDR)

StringToCIDR cidr ip/bits string to type CIDR

func (*CIDR) CIDR2Addr ¶

func (c *CIDR) CIDR2Addr() (addr *netlink.Addr)

CIDR2Addr convert from CIDR to a netlink.Addr

func (*CIDR) CIDRDevString ¶

func (c *CIDR) CIDRDevString() string

CIDRDevString from CIDR with device

func (*CIDR) GetEtherIfaceFromIP ¶

func (c *CIDR) GetEtherIfaceFromIP() string

GetEtherIfaceFromIP returns the link device name for which an address would be assigned

func (*CIDR) MatchAddr ¶

func (c *CIDR) MatchAddr(addr *netlink.Addr) bool

MatchAddr return true when the CIDR blocks/subnets match

func (*CIDR) SetEtherIfaceFromIP ¶

func (c *CIDR) SetEtherIfaceFromIP() string

SetEtherIfaceFromIP returns the link device name for which an address would be assigned

func (*CIDR) String ¶

func (c *CIDR) String() string

String from CIDR

type LinkAddr ¶

type LinkAddr struct {
	*netlink.Addr
	Count int
}

LinkAddr manage links track in use Count

type LoadBalancerIPs ¶

type LoadBalancerIPs map[string]*LinkAddr

LoadBalancerIPs load balancer IPs

func (*LoadBalancerIPs) AddAddr ¶

func (mips *LoadBalancerIPs) AddAddr(IPNet, LinkDevice string)

AddAddr adds an address to a network LinkDevice

func (*LoadBalancerIPs) Keys ¶

func (mips *LoadBalancerIPs) Keys() (IPNets []string)

Keys of managed ip map | thread safe

func (*LoadBalancerIPs) RemoveAddr ¶

func (mips *LoadBalancerIPs) RemoveAddr(IPNet, LinkDevice string)

RemoveAddr from networks

func (*LoadBalancerIPs) String ¶

func (mips *LoadBalancerIPs) String() string

String from managed ip map | thread safe

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
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