var ( // ErrNetworkOverlapsWithNameservers preformatted error ErrNetworkOverlapsWithNameservers = errors.New("requested network overlaps with nameserver") // ErrNetworkOverlaps preformatted error ErrNetworkOverlaps = errors.New("requested network overlaps with existing network") // ErrNoDefaultRoute preformatted error ErrNoDefaultRoute = errors.New("no default route") )
CheckNameserverOverlaps checks whether the passed network overlaps with any of the nameservers
CheckRouteOverlaps checks whether the passed network overlaps with any existing routes
ElectInterfaceAddresses looks for an interface on the OS with the specified name and returns returns all its IPv4 and IPv6 addresses in CIDR notation. If a failure in retrieving the addresses or no IPv4 address is found, an error is returned. If the interface does not exist, it chooses from a predefined list the first IPv4 address which does not conflict with other interfaces on the system.
FindAvailableNetwork returns a network from the passed list which does not overlap with existing interfaces in the system
GenerateIfaceName returns an interface name using the passed in prefix and the length of random bytes. The api ensures that the there are is no interface which exists with that name.
GenerateMACFromIP returns a locally administered MAC address where the 4 least significant bytes are derived from the IPv4 address.
GenerateRandomMAC returns a new 6-byte(48-bit) hardware address (MAC)
GenerateRandomName returns a new name joined with a prefix. This size specified is used to truncate the randomly generated value
GetIfaceAddr returns the first IPv4 address and slice of IPv6 addresses for the specified network interface
NetworkOverlaps detects overlap between one IPNet and another
NetworkRange calculates the first and last IP addresses in an IPNet
ParseAlias parses and validates the specified string as an alias format (name:alias)
ReverseIP accepts a V4 or V6 IP string in the canonical form and returns a reversed IP in the dotted decimal form . This is used to setup the IP to service name mapping in the optimal way for the DNS PTR queries.
ValidateAlias validates that the specified string has a valid alias format (containerName:alias).