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Fix services namespace clash.

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Serve identically names services in different namespaces on different external IP addresses.
This commit is contained in:
Quinton Hoole
2015-02-18 11:30:18 -08:00
committed by Quinton Hoole
parent fa23519387
commit cc72eaec3a
10 changed files with 429 additions and 278 deletions
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35
pkg/proxy/config/config.go
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@@ -20,6 +20,7 @@ import (
"sync"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/types"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util/config"
"github.com/golang/glog"
)
@@ -81,7 +82,7 @@ type EndpointsConfig struct {
// It immediately runs the created EndpointsConfig.
func NewEndpointsConfig() *EndpointsConfig {
updates := make(chan struct{})
store := &endpointsStore{updates: updates, endpoints: make(map[string]map[string]api.Endpoints)}
store := &endpointsStore{updates: updates, endpoints: make(map[string]map[types.NamespacedName]api.Endpoints)}
mux := config.NewMux(store)
bcaster := config.NewBroadcaster()
go watchForUpdates(bcaster, store, updates)
@@ -112,7 +113,7 @@ func (c *EndpointsConfig) Config() []api.Endpoints {
type endpointsStore struct {
endpointLock sync.RWMutex
endpoints map[string]map[string]api.Endpoints
endpoints map[string]map[types.NamespacedName]api.Endpoints
updates chan<- struct{}
}
@@ -120,26 +121,29 @@ func (s *endpointsStore) Merge(source string, change interface{}) error {
s.endpointLock.Lock()
endpoints := s.endpoints[source]
if endpoints == nil {
endpoints = make(map[string]api.Endpoints)
endpoints = make(map[types.NamespacedName]api.Endpoints)
}
update := change.(EndpointsUpdate)
switch update.Op {
case ADD:
glog.V(4).Infof("Adding new endpoint from source %s : %+v", source, update.Endpoints)
for _, value := range update.Endpoints {
endpoints[value.Name] = value
name := types.NamespacedName{value.Namespace, value.Name}
endpoints[name] = value
}
case REMOVE:
glog.V(4).Infof("Removing an endpoint %+v", update)
for _, value := range update.Endpoints {
delete(endpoints, value.Name)
name := types.NamespacedName{value.Namespace, value.Name}
delete(endpoints, name)
}
case SET:
glog.V(4).Infof("Setting endpoints %+v", update)
// Clear the old map entries by just creating a new map
endpoints = make(map[string]api.Endpoints)
endpoints = make(map[types.NamespacedName]api.Endpoints)
for _, value := range update.Endpoints {
endpoints[value.Name] = value
name := types.NamespacedName{value.Namespace, value.Name}
endpoints[name] = value
}
default:
glog.V(4).Infof("Received invalid update type: %v", update)
@@ -176,7 +180,7 @@ type ServiceConfig struct {
// It immediately runs the created ServiceConfig.
func NewServiceConfig() *ServiceConfig {
updates := make(chan struct{})
store := &serviceStore{updates: updates, services: make(map[string]map[string]api.Service)}
store := &serviceStore{updates: updates, services: make(map[string]map[types.NamespacedName]api.Service)}
mux := config.NewMux(store)
bcaster := config.NewBroadcaster()
go watchForUpdates(bcaster, store, updates)
@@ -207,7 +211,7 @@ func (c *ServiceConfig) Config() []api.Service {
type serviceStore struct {
serviceLock sync.RWMutex
services map[string]map[string]api.Service
services map[string]map[types.NamespacedName]api.Service
updates chan<- struct{}
}
@@ -215,26 +219,29 @@ func (s *serviceStore) Merge(source string, change interface{}) error {
s.serviceLock.Lock()
services := s.services[source]
if services == nil {
services = make(map[string]api.Service)
services = make(map[types.NamespacedName]api.Service)
}
update := change.(ServiceUpdate)
switch update.Op {
case ADD:
glog.V(4).Infof("Adding new service from source %s : %+v", source, update.Services)
for _, value := range update.Services {
services[value.Name] = value
name := types.NamespacedName{value.Namespace, value.Name}
services[name] = value
}
case REMOVE:
glog.V(4).Infof("Removing a service %+v", update)
for _, value := range update.Services {
delete(services, value.Name)
name := types.NamespacedName{value.Namespace, value.Name}
delete(services, name)
}
case SET:
glog.V(4).Infof("Setting services %+v", update)
// Clear the old map entries by just creating a new map
services = make(map[string]api.Service)
services = make(map[types.NamespacedName]api.Service)
for _, value := range update.Services {
services[value.Name] = value
name := types.NamespacedName{value.Namespace, value.Name}
services[name] = value
}
default:
glog.V(4).Infof("Received invalid update type: %v", update)