Fixes golint errors in pkg/proxy

This commit is contained in:
Yuki Yugui Sonoda 2014-07-11 20:48:18 +09:00
parent 88284171f2
commit 7373695e33
7 changed files with 119 additions and 95 deletions

View File

@ -24,40 +24,44 @@ import (
"github.com/golang/glog"
)
// Operation is a type of operation of services or endpoints.
type Operation int
// These are the available operation types.
const (
SET Operation = iota
ADD
REMOVE
)
// Defines an operation sent on the channel. You can add or remove single services by
// sending an array of size one and Op == ADD|REMOVE. For setting the state of the system
// to a given state for this source configuration, set Services as desired and Op to SET,
// which will reset the system state to that specified in this operation for this source
// channel. To remove all services, set Services to empty array and Op to SET
// ServiceUpdate describes an operation of services, sent on the channel.
// You can add or remove single services by sending an array of size one and Op == ADD|REMOVE.
// For setting the state of the system to a given state for this source configuration, set Services as desired and Op to SET,
// which will reset the system state to that specified in this operation for this source channel.
// To remove all services, set Services to empty array and Op to SET
type ServiceUpdate struct {
Services []api.Service
Op Operation
}
// Defines an operation sent on the channel. You can add or remove single endpoints by
// sending an array of size one and Op == ADD|REMOVE. For setting the state of the system
// to a given state for this source configuration, set Endpoints as desired and Op to SET,
// which will reset the system state to that specified in this operation for this source
// channel. To remove all endpoints, set Endpoints to empty array and Op to SET
// EndpointsUpdate describes an operation of endpoints, sent on the channel.
// You can add or remove single endpoints by sending an array of size one and Op == ADD|REMOVE.
// For setting the state of the system to a given state for this source configuration, set Endpoints as desired and Op to SET,
// which will reset the system state to that specified in this operation for this source channel.
// To remove all endpoints, set Endpoints to empty array and Op to SET
type EndpointsUpdate struct {
Endpoints []api.Endpoints
Op Operation
}
// ServiceConfigHandler handles update notifications of the set of services.
type ServiceConfigHandler interface {
// Sent when a configuration has been changed by one of the sources. This is the
// union of all the configuration sources.
// OnUpdate gets called when a configuration has been changed by one of the sources.
// This is the union of all the configuration sources.
OnUpdate(services []api.Service)
}
// EndpointsConfigHandler handles update notifications of the set of endpoints.
type EndpointsConfigHandler interface {
// OnUpdate gets called when endpoints configuration is changed for a given
// service on any of the configuration sources. An example is when a new
@ -65,6 +69,8 @@ type EndpointsConfigHandler interface {
OnUpdate(endpoints []api.Endpoints)
}
// ServiceConfig tracks a set of service configurations and their endpoint configurations.
// It accepts "set", "add" and "remove" operations of services and endpoints via channels, and invokes registered handlers on change.
type ServiceConfig struct {
// Configuration sources and their lock.
configSourceLock sync.RWMutex
@ -94,6 +100,8 @@ type ServiceConfig struct {
endpointsNotifyChannel chan string
}
// NewServiceConfig creates a new ServiceConfig.
// It immediately runs the created ServiceConfig.
func NewServiceConfig() *ServiceConfig {
config := &ServiceConfig{
serviceConfigSources: make(map[string]chan ServiceUpdate),
@ -109,22 +117,26 @@ func NewServiceConfig() *ServiceConfig {
return config
}
// Run begins a loop to accept new service configurations and new endpoint configurations.
// It never returns.
func (impl *ServiceConfig) Run() {
glog.Infof("Starting the config Run loop")
for {
select {
case source := <-impl.serviceNotifyChannel:
glog.Infof("Got new service configuration from source %s", source)
impl.NotifyServiceUpdate()
impl.notifyServiceUpdate()
case source := <-impl.endpointsNotifyChannel:
glog.Infof("Got new endpoint configuration from source %s", source)
impl.NotifyEndpointsUpdate()
impl.notifyEndpointsUpdate()
case <-time.After(1 * time.Second):
}
}
}
func (impl *ServiceConfig) ServiceChannelListener(source string, listenChannel chan ServiceUpdate) {
// serviceChannelListener begins a loop to handle incoming ServiceUpdate notifications from the channel.
// It never returns.
func (impl *ServiceConfig) serviceChannelListener(source string, listenChannel chan ServiceUpdate) {
// Represents the current services configuration for this channel.
serviceMap := make(map[string]api.Service)
for {
@ -160,7 +172,9 @@ func (impl *ServiceConfig) ServiceChannelListener(source string, listenChannel c
}
}
func (impl *ServiceConfig) EndpointsChannelListener(source string, listenChannel chan EndpointsUpdate) {
// endpointsChannelListener begins a loop to handle incoming EndpointsUpdate notifications from the channel.
// It never returns.
func (impl *ServiceConfig) endpointsChannelListener(source string, listenChannel chan EndpointsUpdate) {
endpointMap := make(map[string]api.Endpoints)
for {
select {
@ -214,11 +228,11 @@ func (impl *ServiceConfig) GetServiceConfigurationChannel(source string) chan Se
}
newChannel := make(chan ServiceUpdate)
impl.serviceConfigSources[source] = newChannel
go impl.ServiceChannelListener(source, newChannel)
go impl.serviceChannelListener(source, newChannel)
return newChannel
}
// GetEndpointConfigurationChannel returns a channel where a configuration source
// GetEndpointsConfigurationChannel returns a channel where a configuration source
// can send updates of new endpoint configurations. Multiple calls with the same
// source will return the same channel. This allows change and state based sources
// to use the same channel. Difference source names however will be treated as a
@ -235,11 +249,11 @@ func (impl *ServiceConfig) GetEndpointsConfigurationChannel(source string) chan
}
newChannel := make(chan EndpointsUpdate)
impl.endpointsConfigSources[source] = newChannel
go impl.EndpointsChannelListener(source, newChannel)
go impl.endpointsChannelListener(source, newChannel)
return newChannel
}
// Register ServiceConfigHandler to receive updates of changes to services.
// RegisterServiceHandler registers the ServiceConfigHandler to receive updates of changes to services.
func (impl *ServiceConfig) RegisterServiceHandler(handler ServiceConfigHandler) {
impl.handlerLock.Lock()
defer impl.handlerLock.Unlock()
@ -255,7 +269,7 @@ func (impl *ServiceConfig) RegisterServiceHandler(handler ServiceConfigHandler)
panic("Only up to 10 service handlers supported for now")
}
// Register ServiceConfigHandler to receive updates of changes to services.
// RegisterEndpointsHandler registers the EndpointsConfigHandler to receive updates of changes to services.
func (impl *ServiceConfig) RegisterEndpointsHandler(handler EndpointsConfigHandler) {
impl.handlerLock.Lock()
defer impl.handlerLock.Unlock()
@ -271,8 +285,9 @@ func (impl *ServiceConfig) RegisterEndpointsHandler(handler EndpointsConfigHandl
panic("Only up to 10 endpoint handlers supported for now")
}
func (impl *ServiceConfig) NotifyServiceUpdate() {
services := make([]api.Service, 0)
// notifyServiceUpdate calls the registered ServiceConfigHandlers with the current states of services.
func (impl *ServiceConfig) notifyServiceUpdate() {
services := []api.Service{}
impl.configLock.RLock()
for _, sourceServices := range impl.serviceConfig {
for _, value := range sourceServices {
@ -291,8 +306,9 @@ func (impl *ServiceConfig) NotifyServiceUpdate() {
}
}
func (impl *ServiceConfig) NotifyEndpointsUpdate() {
endpoints := make([]api.Endpoints, 0)
// notifyEndpointsUpdate calls the registered EndpointsConfigHandlers with the current states of endpoints.
func (impl *ServiceConfig) notifyEndpointsUpdate() {
endpoints := []api.Endpoints{}
impl.configLock.RLock()
for _, sourceEndpoints := range impl.endpointConfig {
for _, value := range sourceEndpoints {

View File

@ -15,7 +15,7 @@ limitations under the License.
*/
// Watches etcd and gets the full configuration on preset intervals.
// Expects the list of exposed services to live under:
// It expects the list of exposed services to live under:
// registry/services
// which in etcd is exposed like so:
// http://<etcd server>/v2/keys/registry/services
@ -30,7 +30,7 @@ limitations under the License.
// '[ { "machine": <host>, "name": <name", "port": <port> },
// { "machine": <host2>, "name": <name2", "port": <port2> }
// ]',
//
package config
import (
@ -44,14 +44,18 @@ import (
"github.com/golang/glog"
)
const RegistryRoot = "registry/services"
// registryRoot is the key prefix for service configs in etcd.
const registryRoot = "registry/services"
// ConfigSourceEtcd communicates with a etcd via the client, and sends the change notification of services and endpoints to the specified channels.
type ConfigSourceEtcd struct {
client *etcd.Client
serviceChannel chan ServiceUpdate
endpointsChannel chan EndpointsUpdate
}
// NewConfigSourceEtcd creates a new ConfigSourceEtcd.
// It immediately runs the created ConfigSourceEtcd in a goroutine.
func NewConfigSourceEtcd(client *etcd.Client, serviceChannel chan ServiceUpdate, endpointsChannel chan EndpointsUpdate) ConfigSourceEtcd {
config := ConfigSourceEtcd{
client: client,
@ -62,13 +66,14 @@ func NewConfigSourceEtcd(client *etcd.Client, serviceChannel chan ServiceUpdate,
return config
}
// Run begins watching for new services and their endpoints on etcd.
func (impl ConfigSourceEtcd) Run() {
// Initially, just wait for the etcd to come up before doing anything more complicated.
var services []api.Service
var endpoints []api.Endpoints
var err error
for {
services, endpoints, err = impl.GetServices()
services, endpoints, err = impl.getServices()
if err == nil {
break
}
@ -87,10 +92,10 @@ func (impl ConfigSourceEtcd) Run() {
// Ok, so we got something back from etcd. Let's set up a watch for new services, and
// their endpoints
go impl.WatchForChanges()
go impl.watchForChanges()
for {
services, endpoints, err = impl.GetServices()
services, endpoints, err = impl.getServices()
if err != nil {
glog.Errorf("ConfigSourceEtcd: Failed to get services: %v", err)
} else {
@ -107,12 +112,12 @@ func (impl ConfigSourceEtcd) Run() {
}
}
// Finds the list of services and their endpoints from etcd.
// getServices finds the list of services and their endpoints from etcd.
// This operation is akin to a set a known good at regular intervals.
func (impl ConfigSourceEtcd) GetServices() ([]api.Service, []api.Endpoints, error) {
response, err := impl.client.Get(RegistryRoot+"/specs", true, false)
func (impl ConfigSourceEtcd) getServices() ([]api.Service, []api.Endpoints, error) {
response, err := impl.client.Get(registryRoot+"/specs", true, false)
if err != nil {
glog.Errorf("Failed to get the key %s: %v", RegistryRoot, err)
glog.Errorf("Failed to get the key %s: %v", registryRoot, err)
return make([]api.Service, 0), make([]api.Endpoints, 0), err
}
if response.Node.Dir == true {
@ -129,7 +134,7 @@ func (impl ConfigSourceEtcd) GetServices() ([]api.Service, []api.Endpoints, erro
continue
}
retServices[i] = svc
endpoints, err := impl.GetEndpoints(svc.ID)
endpoints, err := impl.getEndpoints(svc.ID)
if err != nil {
glog.Errorf("Couldn't get endpoints for %s : %v skipping", svc.ID, err)
}
@ -138,23 +143,23 @@ func (impl ConfigSourceEtcd) GetServices() ([]api.Service, []api.Endpoints, erro
}
return retServices, retEndpoints, err
}
return nil, nil, fmt.Errorf("did not get the root of the registry %s", RegistryRoot)
return nil, nil, fmt.Errorf("did not get the root of the registry %s", registryRoot)
}
func (impl ConfigSourceEtcd) GetEndpoints(service string) (api.Endpoints, error) {
key := fmt.Sprintf(RegistryRoot + "/endpoints/" + service)
// getEndpoints finds the list of endpoints of the service from etcd.
func (impl ConfigSourceEtcd) getEndpoints(service string) (api.Endpoints, error) {
key := fmt.Sprintf(registryRoot + "/endpoints/" + service)
response, err := impl.client.Get(key, true, false)
if err != nil {
glog.Errorf("Failed to get the key: %s %v", key, err)
return api.Endpoints{}, err
}
// Parse all the endpoint specifications in this value.
return ParseEndpoints(response.Node.Value)
return parseEndpoints(response.Node.Value)
}
// EtcdResponseToServiceAndLocalport takes an etcd response and pulls it apart to find
// service
func EtcdResponseToService(response *etcd.Response) (*api.Service, error) {
// etcdResponseToService takes an etcd response and pulls it apart to find service.
func etcdResponseToService(response *etcd.Response) (*api.Service, error) {
if response.Node == nil {
return nil, fmt.Errorf("invalid response from etcd: %#v", response)
}
@ -166,31 +171,31 @@ func EtcdResponseToService(response *etcd.Response) (*api.Service, error) {
return &svc, err
}
func ParseEndpoints(jsonString string) (api.Endpoints, error) {
func parseEndpoints(jsonString string) (api.Endpoints, error) {
var e api.Endpoints
err := json.Unmarshal([]byte(jsonString), &e)
return e, err
}
func (impl ConfigSourceEtcd) WatchForChanges() {
func (impl ConfigSourceEtcd) watchForChanges() {
glog.Info("Setting up a watch for new services")
watchChannel := make(chan *etcd.Response)
go impl.client.Watch("/registry/services/", 0, true, watchChannel, nil)
for {
watchResponse := <-watchChannel
impl.ProcessChange(watchResponse)
impl.processChange(watchResponse)
}
}
func (impl ConfigSourceEtcd) ProcessChange(response *etcd.Response) {
func (impl ConfigSourceEtcd) processChange(response *etcd.Response) {
glog.Infof("Processing a change in service configuration... %s", *response)
// If it's a new service being added (signified by a localport being added)
// then process it as such
if strings.Contains(response.Node.Key, "/endpoints/") {
impl.ProcessEndpointResponse(response)
impl.processEndpointResponse(response)
} else if response.Action == "set" {
service, err := EtcdResponseToService(response)
service, err := etcdResponseToService(response)
if err != nil {
glog.Errorf("Failed to parse %s Port: %s", response, err)
return
@ -208,13 +213,12 @@ func (impl ConfigSourceEtcd) ProcessChange(response *etcd.Response) {
serviceUpdate := ServiceUpdate{Op: REMOVE, Services: []api.Service{{JSONBase: api.JSONBase{ID: parts[3]}}}}
impl.serviceChannel <- serviceUpdate
return
} else {
glog.Infof("Unknown service delete: %#v", parts)
}
glog.Infof("Unknown service delete: %#v", parts)
}
}
func (impl ConfigSourceEtcd) ProcessEndpointResponse(response *etcd.Response) {
func (impl ConfigSourceEtcd) processEndpointResponse(response *etcd.Response) {
glog.Infof("Processing a change in endpoint configuration... %s", *response)
var endpoints api.Endpoints
err := json.Unmarshal([]byte(response.Node.Value), &endpoints)

View File

@ -26,15 +26,15 @@ import (
const TomcatContainerEtcdKey = "/registry/services/tomcat/endpoints/tomcat-3bd5af34"
const TomcatService = "tomcat"
const TomcatContainerId = "tomcat-3bd5af34"
const TomcatContainerID = "tomcat-3bd5af34"
func ValidateJsonParsing(t *testing.T, jsonString string, expectedEndpoints api.Endpoints, expectError bool) {
endpoints, err := ParseEndpoints(jsonString)
func validateJSONParsing(t *testing.T, jsonString string, expectedEndpoints api.Endpoints, expectError bool) {
endpoints, err := parseEndpoints(jsonString)
if err == nil && expectError {
t.Errorf("ValidateJsonParsing did not get expected error when parsing %s", jsonString)
t.Errorf("validateJSONParsing did not get expected error when parsing %s", jsonString)
}
if err != nil && !expectError {
t.Errorf("ValidateJsonParsing got unexpected error %+v when parsing %s", err, jsonString)
t.Errorf("validateJSONParsing got unexpected error %+v when parsing %s", err, jsonString)
}
if !reflect.DeepEqual(expectedEndpoints, endpoints) {
t.Errorf("Didn't get expected endpoints %+v got: %+v", expectedEndpoints, endpoints)
@ -42,7 +42,7 @@ func ValidateJsonParsing(t *testing.T, jsonString string, expectedEndpoints api.
}
func TestParseJsonEndpoints(t *testing.T) {
ValidateJsonParsing(t, "", api.Endpoints{}, true)
validateJSONParsing(t, "", api.Endpoints{}, true)
endpoints := api.Endpoints{
Name: "foo",
Endpoints: []string{"foo", "bar", "baz"},
@ -51,6 +51,6 @@ func TestParseJsonEndpoints(t *testing.T) {
if err != nil {
t.Errorf("Unexpected error: %#v", err)
}
ValidateJsonParsing(t, string(data), endpoints, false)
// ValidateJsonParsing(t, "[{\"port\":8000,\"name\":\"mysql\",\"machine\":\"foo\"},{\"port\":9000,\"name\":\"mysql\",\"machine\":\"bar\"}]", []string{"foo:8000", "bar:9000"}, false)
validateJSONParsing(t, string(data), endpoints, false)
// validateJSONParsing(t, "[{\"port\":8000,\"name\":\"mysql\",\"machine\":\"foo\"},{\"port\":9000,\"name\":\"mysql\",\"machine\":\"bar\"}]", []string{"foo:8000", "bar:9000"}, false)
}

View File

@ -28,6 +28,7 @@ limitations under the License.
// }
//]
//}
package config
import (
@ -41,22 +42,24 @@ import (
"github.com/golang/glog"
)
// TODO: kill this struct.
type ServiceJSON struct {
Name string
Port int
Endpoints []string
}
type ConfigFile struct {
Services []ServiceJSON
// serviceConfig is a deserialized form of the config file format which ConfigSourceFile accepts.
type serviceConfig struct {
Services []struct {
Name string `json: "name"`
Port int `json: "port"`
Endpoints []string `json: "endpoints"`
} `json: "service"`
}
// ConfigSourceFile periodically reads service configurations in JSON from a file, and sends the services and endpoints defined in th file to the specified channels.
type ConfigSourceFile struct {
serviceChannel chan ServiceUpdate
endpointsChannel chan EndpointsUpdate
filename string
}
// NewConfigSourceFile creates a new ConfigSourceFile.
// It immediately runs the created ConfigSourceFile in a goroutine.
func NewConfigSourceFile(filename string, serviceChannel chan ServiceUpdate, endpointsChannel chan EndpointsUpdate) ConfigSourceFile {
config := ConfigSourceFile{
filename: filename,
@ -67,6 +70,7 @@ func NewConfigSourceFile(filename string, serviceChannel chan ServiceUpdate, end
return config
}
// Run begins watching the config file.
func (impl ConfigSourceFile) Run() {
glog.Infof("Watching file %s", impl.filename)
var lastData []byte
@ -78,7 +82,7 @@ func (impl ConfigSourceFile) Run() {
if err != nil {
glog.Errorf("Couldn't read file: %s : %v", impl.filename, err)
} else {
var config ConfigFile
var config serviceConfig
err = json.Unmarshal(data, &config)
if err != nil {
glog.Errorf("Couldn't unmarshal configuration from file : %s %v", data, err)

View File

@ -38,8 +38,8 @@ func NewProxier(loadBalancer LoadBalancer) *Proxier {
return &Proxier{loadBalancer: loadBalancer, serviceMap: make(map[string]int)}
}
// CopyBytes copies bytes from in to out until EOF.
func CopyBytes(in, out *net.TCPConn) {
// copyBytes copies bytes from in to out until EOF.
func copyBytes(in, out *net.TCPConn) {
glog.Infof("Copying from %v <-> %v <-> %v <-> %v",
in.RemoteAddr(), in.LocalAddr(), out.LocalAddr(), out.RemoteAddr())
_, err := io.Copy(in, out)
@ -51,15 +51,17 @@ func CopyBytes(in, out *net.TCPConn) {
out.CloseWrite()
}
// ProxyConnection creates a bidirectional byte shuffler.
// Copies bytes to/from each connection.
func ProxyConnection(in, out *net.TCPConn) {
// proxyConnection creates a bidirectional byte shuffler.
// It copies bytes to/from each connection.
func proxyConnection(in, out *net.TCPConn) {
glog.Infof("Creating proxy between %v <-> %v <-> %v <-> %v",
in.RemoteAddr(), in.LocalAddr(), out.LocalAddr(), out.RemoteAddr())
go CopyBytes(in, out)
go CopyBytes(out, in)
go copyBytes(in, out)
go copyBytes(out, in)
}
// AcceptHandler begins accepting incoming connections from listener and proxying the connections to the load-balanced endpoints.
// It never returns.
func (proxier Proxier) AcceptHandler(service string, listener net.Listener) {
for {
inConn, err := listener.Accept()
@ -86,12 +88,12 @@ func (proxier Proxier) AcceptHandler(service string, listener net.Listener) {
inConn.Close()
continue
}
go ProxyConnection(inConn.(*net.TCPConn), outConn.(*net.TCPConn))
go proxyConnection(inConn.(*net.TCPConn), outConn.(*net.TCPConn))
}
}
// AddService starts listening for a new service on a given port.
func (proxier Proxier) AddService(service string, port int) error {
// addService starts listening for a new service on a given port.
func (proxier Proxier) addService(service string, port int) error {
// Make sure we can start listening on the port before saying all's well.
l, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
if err != nil {
@ -127,7 +129,7 @@ func (proxier Proxier) OnUpdate(services []api.Service) {
port, exists := proxier.serviceMap[service.ID]
if !exists || port != service.Port {
glog.Infof("Adding a new service %s on port %d", service.ID, service.Port)
err := proxier.AddService(service.ID, service.Port)
err := proxier.addService(service.ID, service.Port)
if err == nil {
proxier.serviceMap[service.ID] = service.Port
} else {

View File

@ -30,7 +30,7 @@ import (
"github.com/golang/glog"
)
// LoadBalancerRR is a round-robin load balancer.
// LoadBalancerRR is a round-robin load balancer. It implements LoadBalancer.
type LoadBalancerRR struct {
lock sync.RWMutex
endpointsMap map[string][]string
@ -42,9 +42,7 @@ func NewLoadBalancerRR() *LoadBalancerRR {
return &LoadBalancerRR{endpointsMap: make(map[string][]string), rrIndex: make(map[string]int)}
}
// LoadBalance registers srcAddr for the provided service.
// It returns error if no entry is available for the service
// or no previous endpoints are registered.
// LoadBalance select an endpoint of the service by round-robin algorithm.
func (impl LoadBalancerRR) LoadBalance(service string, srcAddr net.Addr) (string, error) {
impl.lock.RLock()
endpoints, exists := impl.endpointsMap[service]
@ -61,8 +59,8 @@ func (impl LoadBalancerRR) LoadBalance(service string, srcAddr net.Addr) (string
return endpoint, nil
}
// IsValid returns true if spec is valid.
func (impl LoadBalancerRR) IsValid(spec string) bool {
// isValid returns true if spec is valid.
func (impl LoadBalancerRR) isValid(spec string) bool {
index := strings.Index(spec, ":")
if index == -1 {
return false
@ -74,11 +72,11 @@ func (impl LoadBalancerRR) IsValid(spec string) bool {
return value > 0
}
// FilterValidEndpoints filters out invalid endpoints.
func (impl LoadBalancerRR) FilterValidEndpoints(endpoints []string) []string {
// filterValidEndpoints filters out invalid endpoints.
func (impl LoadBalancerRR) filterValidEndpoints(endpoints []string) []string {
var result []string
for _, spec := range endpoints {
if impl.IsValid(spec) {
if impl.isValid(spec) {
result = append(result, spec)
}
}
@ -97,7 +95,7 @@ func (impl LoadBalancerRR) OnUpdate(endpoints []api.Endpoints) {
existingEndpoints, exists := impl.endpointsMap[value.Name]
if !exists || !reflect.DeepEqual(value.Endpoints, existingEndpoints) {
glog.Infof("LoadBalancerRR: Setting endpoints for %s to %+v", value.Name, value.Endpoints)
impl.endpointsMap[value.Name] = impl.FilterValidEndpoints(value.Endpoints)
impl.endpointsMap[value.Name] = impl.filterValidEndpoints(value.Endpoints)
// Start RR from the beginning if added or updated.
impl.rrIndex[value.Name] = 0
}

View File

@ -24,16 +24,16 @@ import (
func TestLoadBalanceValidateWorks(t *testing.T) {
loadBalancer := NewLoadBalancerRR()
if loadBalancer.IsValid("") {
if loadBalancer.isValid("") {
t.Errorf("Didn't fail for empty string")
}
if loadBalancer.IsValid("foobar") {
if loadBalancer.isValid("foobar") {
t.Errorf("Didn't fail with no port")
}
if loadBalancer.IsValid("foobar:-1") {
if loadBalancer.isValid("foobar:-1") {
t.Errorf("Didn't fail with a negative port")
}
if !loadBalancer.IsValid("foobar:8080") {
if !loadBalancer.isValid("foobar:8080") {
t.Errorf("Failed a valid config.")
}
}
@ -41,7 +41,7 @@ func TestLoadBalanceValidateWorks(t *testing.T) {
func TestLoadBalanceFilterWorks(t *testing.T) {
loadBalancer := NewLoadBalancerRR()
endpoints := []string{"foobar:1", "foobar:2", "foobar:-1", "foobar:3", "foobar:-2"}
filtered := loadBalancer.FilterValidEndpoints(endpoints)
filtered := loadBalancer.filterValidEndpoints(endpoints)
if len(filtered) != 3 {
t.Errorf("Failed to filter to the correct size")