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Merge pull request #73380 from vllry/kube-proxy-cleanup

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Superficial kube-proxy cleanup
This commit is contained in:
Kubernetes Prow Robot
2019-03-27 17:22:04 -07:00
committed by GitHub
parent 7131617d0c a23e442161
commit 40a0647efa
3 changed files with 17 additions and 16 deletions
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2
cmd/kube-proxy/app/conntrack.go
View File

@@ -129,7 +129,7 @@ func isSysFSWritable() (bool, error) {
return false, errReadOnlySysFS
}
return false, errors.New("No sysfs mounted")
return false, errors.New("no sysfs mounted")
}
func readIntStringFile(filename string) (int, error) {

27
cmd/kube-proxy/app/server.go
View File

@@ -28,7 +28,7 @@ import (
"strings"
"time"
v1 "k8s.io/api/core/v1"
"k8s.io/api/core/v1"
v1meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
@@ -39,7 +39,7 @@ import (
"k8s.io/apiserver/pkg/server/mux"
"k8s.io/apiserver/pkg/server/routes"
utilfeature "k8s.io/apiserver/pkg/util/feature"
informers "k8s.io/client-go/informers"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/rest"
@@ -352,6 +352,7 @@ func (o *Options) writeConfigFile() error {
if err != nil {
return err
}
// TODO handle error
defer configFile.Close()
if err := encoder.Encode(o.config, configFile); err != nil {
@@ -414,11 +415,11 @@ func (o *Options) loadConfig(data []byte) (*kubeproxyconfig.KubeProxyConfigurati
if err != nil {
return nil, err
}
config, ok := configObj.(*kubeproxyconfig.KubeProxyConfiguration)
proxyConfig, ok := configObj.(*kubeproxyconfig.KubeProxyConfiguration)
if !ok {
return nil, fmt.Errorf("got unexpected config type: %v", gvk)
}
return config, nil
return proxyConfig, nil
}
func (o *Options) ApplyDefaults(in *kubeproxyconfig.KubeProxyConfiguration) (*kubeproxyconfig.KubeProxyConfiguration, error) {
@@ -478,6 +479,7 @@ with the apiserver API to configure the proxy.`,
opts.AddFlags(cmd.Flags())
// TODO handle error
cmd.MarkFlagFilename("config", "yaml", "yml", "json")
return cmd
@@ -534,7 +536,6 @@ func createClients(config componentbaseconfig.ClientConnectionConfiguration, mas
kubeConfig.AcceptContentTypes = config.AcceptContentTypes
kubeConfig.ContentType = config.ContentType
kubeConfig.QPS = config.QPS
//TODO make config struct use int instead of int32?
kubeConfig.Burst = int(config.Burst)
client, err := clientset.NewForConfig(kubeConfig)
@@ -560,7 +561,7 @@ func (s *ProxyServer) Run() error {
encounteredError = iptables.CleanupLeftovers(s.IptInterface) || encounteredError
encounteredError = ipvs.CleanupLeftovers(s.IpvsInterface, s.IptInterface, s.IpsetInterface, s.CleanupIPVS) || encounteredError
if encounteredError {
return errors.New("encountered an error while tearing down rules.")
return errors.New("encountered an error while tearing down rules")
}
return nil
}
@@ -594,18 +595,18 @@ func (s *ProxyServer) Run() error {
// Start up a metrics server if requested
if len(s.MetricsBindAddress) > 0 {
mux := mux.NewPathRecorderMux("kube-proxy")
healthz.InstallHandler(mux)
mux.HandleFunc("/proxyMode", func(w http.ResponseWriter, r *http.Request) {
proxyMux := mux.NewPathRecorderMux("kube-proxy")
healthz.InstallHandler(proxyMux)
proxyMux.HandleFunc("/proxyMode", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "%s", s.ProxyMode)
})
mux.Handle("/metrics", prometheus.Handler())
proxyMux.Handle("/metrics", prometheus.Handler())
if s.EnableProfiling {
routes.Profiling{}.Install(mux)
routes.Profiling{}.Install(proxyMux)
}
configz.InstallHandler(mux)
configz.InstallHandler(proxyMux)
go wait.Until(func() {
err := http.ListenAndServe(s.MetricsBindAddress, mux)
err := http.ListenAndServe(s.MetricsBindAddress, proxyMux)
if err != nil {
utilruntime.HandleError(fmt.Errorf("starting metrics server failed: %v", err))
}

4
cmd/kube-proxy/app/server_others_test.go
View File

@@ -45,7 +45,7 @@ func Test_getProxyMode(t *testing.T) {
},
{ // flag says iptables, error detecting version
flag: "iptables",
iptablesError: fmt.Errorf("oops!"),
iptablesError: fmt.Errorf("flag says iptables, error detecting version"),
expected: proxyModeUserspace,
},
{ // flag says iptables, version too low
@@ -67,7 +67,7 @@ func Test_getProxyMode(t *testing.T) {
},
{ // detect, error
flag: "",
iptablesError: fmt.Errorf("oops!"),
iptablesError: fmt.Errorf("oops"),
expected: proxyModeUserspace,
},
{ // detect, version too low