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apply public endpoint filter only for kubelet-readonly

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Signed-off-by: Benedikt Bongartz <bongartz@klimlive.de>
This commit is contained in:
Benedikt Bongartz 2024-01-11 00:43:41 +01:00
parent 099eba784b
commit c823a21a7a
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GPG Key ID: 42342EC23A8A4314
2 changed files with 13 additions and 10 deletions
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21
pkg/kubelet/server/server.go
View File

@ -160,7 +160,12 @@ func ListenAndServeKubeletServer(
address := netutils.ParseIPSloppy(kubeCfg.Address)
port := uint(kubeCfg.Port)
klog.InfoS("Starting to listen", "address", address, "port", port)
handler := NewServer(host, resourceAnalyzer, auth, tp, kubeCfg)
handler := NewServer(host, resourceAnalyzer, auth, kubeCfg)
if utilfeature.DefaultFeatureGate.Enabled(features.KubeletTracing) {
handler.InstallTracingFilter(tp)
}
s := &http.Server{
Addr: net.JoinHostPort(address.String(), strconv.FormatUint(uint64(port), 10)),
Handler: &handler,
@ -193,7 +198,11 @@ func ListenAndServeKubeletReadOnlyServer(
port uint,
tp oteltrace.TracerProvider) {
klog.InfoS("Starting to listen read-only", "address", address, "port", port)
s := NewServer(host, resourceAnalyzer, nil, tp, nil)
s := NewServer(host, resourceAnalyzer, nil, nil)
if utilfeature.DefaultFeatureGate.Enabled(features.KubeletTracing) {
s.InstallTracingFilter(tp, otelrestful.WithPublicEndpoint())
}
server := &http.Server{
Addr: net.JoinHostPort(address.String(), strconv.FormatUint(uint64(port), 10)),
@ -270,7 +279,6 @@ func NewServer(
host HostInterface,
resourceAnalyzer stats.ResourceAnalyzer,
auth AuthInterface,
tp oteltrace.TracerProvider,
kubeCfg *kubeletconfiginternal.KubeletConfiguration) Server {
server := Server{
@ -284,9 +292,6 @@ func NewServer(
if auth != nil {
server.InstallAuthFilter()
}
if utilfeature.DefaultFeatureGate.Enabled(features.KubeletTracing) {
server.InstallTracingFilter(tp)
}
server.InstallDefaultHandlers()
if kubeCfg != nil && kubeCfg.EnableDebuggingHandlers {
server.InstallDebuggingHandlers()
@ -340,8 +345,8 @@ func (s *Server) InstallAuthFilter() {
}
// InstallTracingFilter installs OpenTelemetry tracing filter with the restful Container.
func (s *Server) InstallTracingFilter(tp oteltrace.TracerProvider) {
s.restfulCont.Filter(otelrestful.OTelFilter("kubelet", otelrestful.WithTracerProvider(tp), otelrestful.WithPublicEndpoint()))
func (s *Server) InstallTracingFilter(tp oteltrace.TracerProvider, opts ...otelrestful.Option) {
s.restfulCont.Filter(otelrestful.OTelFilter("kubelet", append(opts, otelrestful.WithTracerProvider(tp))...))
}
// addMetricsBucketMatcher adds a regexp matcher and the relevant bucket to use when

2
pkg/kubelet/server/server_test.go
View File

@ -37,7 +37,6 @@ import (
cadvisorapiv2 "github.com/google/cadvisor/info/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
oteltrace "go.opentelemetry.io/otel/trace"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
@ -371,7 +370,6 @@ func newServerTestWithDebuggingHandlers(kubeCfg *kubeletconfiginternal.KubeletCo
fw.fakeKubelet,
stats.NewResourceAnalyzer(fw.fakeKubelet, time.Minute, &record.FakeRecorder{}),
fw.fakeAuth,
oteltrace.NewNoopTracerProvider(),
kubeCfg,
)
fw.serverUnderTest = &server