cluster: change wg0.conf to allow ring0/32 and ring1/32 on each peer

Signed-off-by: Alejandro Mery <[email protected]>

pkg/cluster/rings.go

@@ -191,61 +191,17 @@ func (r *Ring) AddPeer(p *Machine) bool {
 		},
 	}
 
-	switch {
-	case r.ID == rings.RingZeroID:
-		r.setRingZeroAllowedIPs(rp)
-	case p.IsGateway():
-		r.setRingOneGatewayAllowedIPs(rp)
-	default:
-		r.setRingOneNodeAllowedIPs(rp)
-	}
-
+	r.setRingZeroAllowedIPs(rp)
 	r.Peers = append(r.Peers, rp)
 	return true
 }
 
-func (r *Ring) setRingZeroAllowedIPs(rp *RingPeer) {
-	regionID, zoneID, _, _ := r.Decode(rp.Address)
-
-	// everyone on ring0 is a gateway to ring1
-	subnet, _ := rings.RingOnePrefix(regionID, zoneID)
-	rp.AllowSubnet(subnet)
-
-	// peer
-	rp.AllowCIDR(rp.Address, 32)
-}
-
-func (r *Ring) setRingOneGatewayAllowedIPs(rp *RingPeer) {
-	regionID, zoneID, _, _ := r.Decode(rp.Address)
-
-	// peer
+func (*Ring) setRingZeroAllowedIPs(rp *RingPeer) {
+	// ring0 peer
 	rp.AllowCIDR(rp.Address, 32)
 
-	// ring1 gateways connect to all other ring1 networks
-	r.ForEachZone(func(z *Zone) bool {
-		if !z.Is(regionID, zoneID) {
-			subnet := z.RingOnePrefix()
-			rp.AllowSubnet(subnet)
-		}
-		return false
-	})
-
-	// ring1 gateways also connect to all ring0 addresses
-	r.ForEachZone(func(z *Zone) bool {
-		z.ForEachMachine(func(p *Machine) bool {
-			if p.IsGateway() {
-				addr, _ := p.RingZeroAddress()
-				rp.AllowCIDR(addr, 32)
-			}
-			return false
-		})
-		return false
-	})
-}
-
-func (*Ring) setRingOneNodeAllowedIPs(rp *RingPeer) {
-	// only to the peer itself
-	rp.AllowCIDR(rp.Address, 32)
+	// everyone on ring0 has a leg on ring1
+	rp.AllowCIDR(rp.Node.RingOneAddress(), 32)
 }
 
 // ForEachMachine calls a function for each Machine in the ring

pkg/cluster/wireguard.go

@@ -82,13 +82,6 @@ func (m *Cluster) WriteWireguardConfig(ring rings.RingID) error {
 	switch ring {
 	case rings.RingZeroID:
 		return writeWireguardConfig(m, m, ring)
-	case rings.RingOneID:
-		var err error
-		m.ForEachZone(func(z *Zone) bool {
-			err = writeWireguardConfig(m, z, ring)
-			return err != nil
-		})
-		return err
 	default:
 		return ErrInvalidRing(ring)
 	}
@@ -100,8 +93,6 @@ func (z *Zone) WriteWireguardConfig(ring rings.RingID) error {
 	switch ring {
 	case rings.RingZeroID:
 		return writeWireguardConfig(z.zones, z.zones, ring)
-	case rings.RingOneID:
-		return writeWireguardConfig(z.zones, z, ring)
 	default:
 		return ErrInvalidRing(ring)
 	}
@@ -165,13 +156,6 @@ func (m *Cluster) SyncWireguardConfig(ring rings.RingID) error {
 	switch ring {
 	case rings.RingZeroID:
 		return syncWireguardConfig(m, m, ring)
-	case rings.RingOneID:
-		var err error
-		m.ForEachZone(func(z *Zone) bool {
-			err = syncWireguardConfig(m, z, ring)
-			return err != nil
-		})
-		return err
 	default:
 		return ErrInvalidRing(ring)
 	}
@@ -183,8 +167,6 @@ func (z *Zone) SyncWireguardConfig(ring rings.RingID) error {
 	switch ring {
 	case rings.RingZeroID:
 		return syncWireguardConfig(z.zones, z.zones, ring)
-	case rings.RingOneID:
-		return syncWireguardConfig(z.zones, z, ring)
 	default:
 		return ErrInvalidRing(ring)
 	}