package merge

import "github.com/open-policy-agent/opa/internal/cidr/merge"

Package merge provides helper functions for merging a list of IP addresses and subnets into the smallest possible list of CIDRs. Original Implementation: https://github.com/cilium/cilium

Index ¶

• func GetAddressRange(ipNet net.IPNet) (net.IP, net.IP)
• func GetPreviousIP(ip net.IP) net.IP
• func RangeToCIDRs(firstIP, lastIP net.IP) []*net.IPNet

Functions ¶

func GetAddressRange ¶

func GetAddressRange(ipNet net.IPNet) (net.IP, net.IP)

GetAddressRange returns the first and last addresses in the given CIDR range.

func GetPreviousIP ¶

func GetPreviousIP(ip net.IP) net.IP

GetPreviousIP returns the previous IP from the given IP address.

func RangeToCIDRs ¶

func RangeToCIDRs(firstIP, lastIP net.IP) []*net.IPNet

RangeToCIDRs converts the range of IPs covered by firstIP and lastIP to a list of CIDRs that contains all of the IPs covered by the range.

Source Files ¶

merge.go