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Adding a nil check in endpointslicecache

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This commit is contained in:
Rob Scott
2019-09-05 16:46:58 -07:00
parent 397ed0e825
commit a1e3afa28e
2 changed files with 15 additions and 6 deletions
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15
pkg/proxy/endpointslicecache.go
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@@ -59,6 +59,10 @@ type endpointInfo struct {
Topology map[string]string
}
// spToEndpointMap stores groups Endpoint objects by ServicePortName and
// EndpointSlice name.
type spToEndpointMap map[ServicePortName]map[string]Endpoint
// NewEndpointSliceCache initializes an EndpointSliceCache.
func NewEndpointSliceCache(hostname string, isIPv6Mode *bool, recorder record.EventRecorder, makeEndpointInfo makeEndpointFunc) *EndpointSliceCache {
if makeEndpointInfo == nil {
@@ -121,10 +125,15 @@ func (cache *EndpointSliceCache) EndpointsMap(serviceNN types.NamespacedName) En
}
// endpointInfoByServicePort groups endpoint info by service port name and address.
func (cache *EndpointSliceCache) endpointInfoByServicePort(serviceNN types.NamespacedName) map[ServicePortName]map[string]Endpoint {
endpointInfoBySP := map[ServicePortName]map[string]Endpoint{}
func (cache *EndpointSliceCache) endpointInfoByServicePort(serviceNN types.NamespacedName) spToEndpointMap {
endpointInfoBySP := spToEndpointMap{}
sliceInfoByName, ok := cache.sliceByServiceMap[serviceNN]
for _, sliceInfo := range cache.sliceByServiceMap[serviceNN] {
if !ok {
return endpointInfoBySP
}
for _, sliceInfo := range sliceInfoByName {
for _, port := range sliceInfo.Ports {
if port.Name == nil {
klog.Warningf("ignoring port with nil name %v", port)