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ensure we delete orphaned routes with matching next-hops only 

There might be a valid route with the same DestinationCIDR pointing to a running node.
pull/8/head
Fabian Ruff 2018-04-18 13:15:41 +02:00
parent de15b859ba
commit 65d4147139
1 changed files with 6 additions and 3 deletions
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9
pkg/cloudprovider/providers/openstack/openstack_routes.go
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@ -83,9 +83,12 @@ func (r *Routes) ListRoutes(ctx context.Context, clusterName string) ([]*cloudpr
var routes []*cloudprovider.Route
for _, item := range router.Routes {
nodeName, foundNode := nodeNamesByAddr[item.NextHop]
if !foundNode {
nodeName = types.NodeName(item.NextHop)
}
route := cloudprovider.Route{
Name: item.DestinationCIDR,
TargetNode: nodeName, //empty if NextHop is unknown
TargetNode: nodeName, //contains the nexthop address if node was not found
Blackhole: !foundNode,
DestinationCIDR: item.DestinationCIDR,
}
@ -228,7 +231,7 @@ func (r *Routes) DeleteRoute(ctx context.Context, clusterName string, route *clo
var addr string
// Blackhole routes are orphaned and have no target in OpenStack
// Blackhole routes are orphaned and have no counterpart in OpenStack
if !route.Blackhole {
var err error
addr, err = getAddressByName(r.compute, route.TargetNode, isCIDRv6)
@ -245,7 +248,7 @@ func (r *Routes) DeleteRoute(ctx context.Context, clusterName string, route *clo
routes := router.Routes
index := -1
for i, item := range routes {
if item.DestinationCIDR == route.DestinationCIDR && (route.Blackhole || item.NextHop == addr) {
if item.DestinationCIDR == route.DestinationCIDR && (item.NextHop == addr || route.Blackhole && item.NextHop == string(route.TargetNode)) {
index = i
break
}