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kube-proxy applies latest snapshot of endpoints and services.

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This commit is contained in:
Prashanth Balasubramanian
2016-02-01 19:02:23 -08:00
parent 210bac10c9
commit e1fa6e9fb8
3 changed files with 63 additions and 28 deletions
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28
pkg/proxy/config/config.go
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@@ -128,19 +128,19 @@ func (s *endpointsStore) Merge(source string, change interface{}) error {
update := change.(EndpointsUpdate)
switch update.Op {
case ADD:
glog.V(4).Infof("Adding new endpoint from source %s : %s", source, spew.Sdump(update.Endpoints))
glog.V(5).Infof("Adding new endpoint from source %s : %s", source, spew.Sdump(update.Endpoints))
for _, value := range update.Endpoints {
name := types.NamespacedName{Namespace: value.Namespace, Name: value.Name}
endpoints[name] = value
}
case REMOVE:
glog.V(4).Infof("Removing an endpoint %s", spew.Sdump(update))
glog.V(5).Infof("Removing an endpoint %s", spew.Sdump(update))
for _, value := range update.Endpoints {
name := types.NamespacedName{Namespace: value.Namespace, Name: value.Name}
delete(endpoints, name)
}
case SET:
glog.V(4).Infof("Setting endpoints %s", spew.Sdump(update))
glog.V(5).Infof("Setting endpoints %s", spew.Sdump(update))
// Clear the old map entries by just creating a new map
endpoints = make(map[types.NamespacedName]api.Endpoints)
for _, value := range update.Endpoints {
@@ -153,7 +153,13 @@ func (s *endpointsStore) Merge(source string, change interface{}) error {
s.endpoints[source] = endpoints
s.endpointLock.Unlock()
if s.updates != nil {
s.updates <- struct{}{}
// Since we record the snapshot before sending this signal, it's
// possible that the consumer ends up performing an extra update.
select {
case s.updates <- struct{}{}:
default:
glog.V(4).Infof("Endpoints handler already has a pending interrupt.")
}
}
return nil
}
@@ -227,19 +233,19 @@ func (s *serviceStore) Merge(source string, change interface{}) error {
update := change.(ServiceUpdate)
switch update.Op {
case ADD:
glog.V(4).Infof("Adding new service from source %s : %s", source, spew.Sdump(update.Services))
glog.V(5).Infof("Adding new service from source %s : %s", source, spew.Sdump(update.Services))
for _, value := range update.Services {
name := types.NamespacedName{Namespace: value.Namespace, Name: value.Name}
services[name] = value
}
case REMOVE:
glog.V(4).Infof("Removing a service %s", spew.Sdump(update))
glog.V(5).Infof("Removing a service %s", spew.Sdump(update))
for _, value := range update.Services {
name := types.NamespacedName{Namespace: value.Namespace, Name: value.Name}
delete(services, name)
}
case SET:
glog.V(4).Infof("Setting services %s", spew.Sdump(update))
glog.V(5).Infof("Setting services %s", spew.Sdump(update))
// Clear the old map entries by just creating a new map
services = make(map[types.NamespacedName]api.Service)
for _, value := range update.Services {
@@ -252,7 +258,13 @@ func (s *serviceStore) Merge(source string, change interface{}) error {
s.services[source] = services
s.serviceLock.Unlock()
if s.updates != nil {
s.updates <- struct{}{}
// Since we record the snapshot before sending this signal, it's
// possible that the consumer ends up performing an extra update.
select {
case s.updates <- struct{}{}:
default:
glog.V(4).Infof("Service handler already has a pending interrupt.")
}
}
return nil
}