adelorenzo/kilo
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Nodes without private IPs

Browse Source 
Allow nodes to have no private IPs.
Nodes without private IPs will automatically be put into
their own location.
This commit is contained in:
leonnicolas
2021-01-24 14:19:01 +01:00
parent 92825ba0c7
commit 3a201ba0fa
11 changed files with 519 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
pkg/mesh/routes.go
View File

@@ -97,9 +97,9 @@ func (t *Topology) Routes(kiloIfaceName string, kiloIface, privIface, tunlIface
LinkIndex: privIface,
Protocol: unix.RTPROT_STATIC,
}, enc.Strategy(), t.privateIP, tunlIface))
}
for i := range segment.privateIPs {
// Add routes to the private IPs of nodes in other segments.
// Number of CIDRs and private IPs always match so
// we can reuse the loop.
routes = append(routes, encapsulateRoute(&netlink.Route{
Dst: oneAddressCIDR(segment.privateIPs[i]),
Flags: int(netlink.FLAG_ONLINK),
@@ -126,7 +126,9 @@ func (t *Topology) Routes(kiloIfaceName string, kiloIface, privIface, tunlIface
for _, segment := range t.segments {
// Add routes for the current segment if local is true.
if segment.location == t.location {
if local {
// If the local node does not have a private IP address,
// then skip adding routes, because the node is in its own location.
if local && t.privateIP != nil {
for i := range segment.cidrs {
// Don't add routes for the local node.
if segment.privateIPs[i].Equal(t.privateIP.IP) {
@@ -165,6 +167,8 @@ func (t *Topology) Routes(kiloIfaceName string, kiloIface, privIface, tunlIface
}
}
}
// Continuing here prevents leaders form adding routes via WireGuard to
// nodes in their own location.
continue
}
for i := range segment.cidrs {
@@ -180,7 +184,7 @@ func (t *Topology) Routes(kiloIfaceName string, kiloIface, privIface, tunlIface
// equals the external IP. This means that the node
// is only accessible through an external IP and we
// cannot encapsulate traffic to an IP through the IP.
if segment.privateIPs[i].Equal(segment.endpoint.IP) {
if segment.privateIPs == nil || segment.privateIPs[i].Equal(segment.endpoint.IP) {
continue
}
// Add routes to the private IPs of nodes in other segments.