config

type BFDProfile struct {
	Name             string
	ReceiveInterval  *uint32
	TransmitInterval *uint32
	DetectMultiplier *uint32
	EchoInterval     *uint32
	EchoMode         bool
	PassiveMode      bool
	MinimumTTL       *uint32
}

type BGPAdvertisement struct {
	// Roll up the IP address into a CIDR prefix of this
	// length. Optional, defaults to 32 (i.e. no aggregation) if not
	// specified.
	AggregationLength int
	// Optional, defaults to 128 (i.e. no aggregation) if not
	// specified.
	AggregationLengthV6 int
	// Value of the LOCAL_PREF BGP path attribute. Used only when
	// advertising to IBGP peers (i.e. Peer.MyASN == Peer.ASN).
	LocalPref uint32
	// Value of the COMMUNITIES path attribute.
	Communities map[uint32]bool
}

type Config struct {
	// Routers that MetalLB should peer with.
	Peers []*Peer
	// Address pools from which to allocate load balancer IPs.
	Pools map[string]*Pool
	// BFD profiles that can be used by peers.
	BFDProfiles map[string]*BFDProfile
}

type Peer struct {
	// AS number to use for the local end of the session.
	MyASN uint32
	// AS number to expect from the remote end of the session.
	ASN uint32
	// Address to dial when establishing the session.
	Addr net.IP
	// Source address to use when establishing the session.
	SrcAddr net.IP
	// Port to dial when establishing the session.
	Port uint16
	// Requested BGP hold time, per RFC4271.
	HoldTime time.Duration
	// Requested BGP keepalive time, per RFC4271.
	KeepaliveTime time.Duration
	// BGP router ID to advertise to the peer
	RouterID net.IP
	// Only connect to this peer on nodes that match one of these
	// selectors.
	NodeSelectors []labels.Selector
	// Authentication password for routers enforcing TCP MD5 authenticated sessions
	Password string
	// The optional BFD profile to be used for this BGP session
	BFDProfile string
	// Optional ebgp peer is multi-hops away.
	EBGPMultiHop bool
}

type Pool struct {
	// Protocol for this pool.
	Protocol Proto
	// The addresses that are part of this pool, expressed as CIDR
	// prefixes. config.Parse guarantees that these are
	// non-overlapping, both within and between pools.
	CIDR []*net.IPNet
	// Some buggy consumer devices mistakenly drop IPv4 traffic for IP
	// addresses ending in .0 or .255, due to poor implementations of
	// smurf protection. This setting marks such addresses as
	// unusable, for maximum compatibility with ancient parts of the
	// internet.
	AvoidBuggyIPs bool
	// If false, prevents IP addresses to be automatically assigned
	// from this pool.
	AutoAssign bool
	// When an IP is allocated from this pool, how should it be
	// translated into BGP announcements?
	BGPAdvertisements []*BGPAdvertisement
}

type Proto string

type Validate func(*configFile) error