ipamutils

package
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Published: Jan 31, 2016 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Overview

Package ipamutils provides utililty functions for ipam management

Package ipamutils provides utililty functions for ipam management

Index

Constants

This section is empty.

Variables

View Source
var (
	// PredefinedBroadNetworks contains a list of 31 IPv4 private networks with host size 16 and 12
	// (172.17-31.x.x/16, 192.168.x.x/20) which do not overlap with the networks in `PredefinedGranularNetworks`
	PredefinedBroadNetworks []*net.IPNet
	// PredefinedGranularNetworks contains a list of 64K IPv4 private networks with host size 8
	// (10.x.x.x/24) which do not overlap with the networks in `PredefinedBroadNetworks`
	PredefinedGranularNetworks []*net.IPNet
)

Functions

func ElectInterfaceAddresses

func ElectInterfaceAddresses(name string) (*net.IPNet, []*net.IPNet, error)

ElectInterfaceAddresses looks for an interface on the OS with the specified name and returns its IPv4 and IPv6 addresses in CIDR form. If the interface does not exist, it chooses from a predifined list the first IPv4 address which does not conflict with other interfaces on the system.

func FindAvailableNetwork

func FindAvailableNetwork(list []*net.IPNet) (*net.IPNet, error)

FindAvailableNetwork returns a network from the passed list which does not overlap with existing interfaces in the system

Types

This section is empty.

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