kubernetes/plugin
Patrick Ohly fa1f9d444c apiserver: avoid default toleration seconds data race for all tests
This reverts commit 2e756e7412,
which addressed the data race only for test/integration/apiserver/oidc.
It also occurs for test/integration/controlplane/transformation:

    WARNING: DATA RACE
    Read at 0x000008b9de38 by goroutine 104616:
      k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds.RegisterFlags()
          /home/prow/go/src/k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds/admission.go:42 +0x30
      k8s.io/kubernetes/pkg/kubeapiserver/options.registerAllAdmissionPluginFlags()
          /home/prow/go/src/k8s.io/kubernetes/pkg/kubeapiserver/options/plugins.go:115 +0x64
      k8s.io/kubernetes/pkg/kubeapiserver/options.(*AdmissionOptions).AddFlags()
          /home/prow/go/src/k8s.io/kubernetes/pkg/kubeapiserver/options/admission.go:73 +0x55
      k8s.io/kubernetes/pkg/controlplane/apiserver/options.(*Options).AddFlags()
          /home/prow/go/src/k8s.io/kubernetes/pkg/controlplane/apiserver/options/options.go:154 +0x388
      k8s.io/kubernetes/cmd/kube-apiserver/app/options.(*ServerRunOptions).Flags()
          /home/prow/go/src/k8s.io/kubernetes/cmd/kube-apiserver/app/options/options.go:101 +0x73
      k8s.io/kubernetes/cmd/kube-apiserver/app/testing.StartTestServer()
          /home/prow/go/src/k8s.io/kubernetes/cmd/kube-apiserver/app/testing/testserver.go:219 +0xb77
      k8s.io/kubernetes/test/integration/controlplane/transformation.newTransformTest()
          /home/prow/go/src/k8s.io/kubernetes/test/integration/controlplane/transformation/transformation_test.go:131 +0x6d0
      k8s.io/kubernetes/test/integration/controlplane/transformation.TestKMSv2Healthz()
          /home/prow/go/src/k8s.io/kubernetes/test/integration/controlplane/transformation/kmsv2_transformation_test.go:874 +0x1c8
      testing.tRunner()
          /usr/local/go/src/testing/testing.go:1792 +0x225
      testing.(*T).Run.gowrap1()
          /usr/local/go/src/testing/testing.go:1851 +0x44

    Previous write at 0x000008b9de38 by goroutine 111926:
      github.com/spf13/pflag.newInt64Value()
          /home/prow/go/src/k8s.io/kubernetes/vendor/github.com/spf13/pflag/int64.go:9 +0x49
      github.com/spf13/pflag.(*FlagSet).Int64Var()
          /home/prow/go/src/k8s.io/kubernetes/vendor/github.com/spf13/pflag/int64.go:41 +0x3d
      k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds.RegisterFlags()
          /home/prow/go/src/k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds/admission.go:42 +0x25
      k8s.io/kubernetes/pkg/kubeapiserver/options.registerAllAdmissionPluginFlags()
          /home/prow/go/src/k8s.io/kubernetes/pkg/kubeapiserver/options/plugins.go:115 +0x64
      k8s.io/kubernetes/pkg/kubeapiserver/options.(*AdmissionOptions).AddFlags()
          /home/prow/go/src/k8s.io/kubernetes/pkg/kubeapiserver/options/admission.go:73 +0x55
      k8s.io/kubernetes/pkg/controlplane/apiserver/options.(*Options).AddFlags()
          /home/prow/go/src/k8s.io/kubernetes/pkg/controlplane/apiserver/options/options.go:154 +0x388
      k8s.io/kubernetes/cmd/kube-apiserver/app/options.(*ServerRunOptions).Flags()
          /home/prow/go/src/k8s.io/kubernetes/cmd/kube-apiserver/app/options/options.go:101 +0x73
      k8s.io/kubernetes/cmd/kube-apiserver/app/testing.StartTestServer()
          /home/prow/go/src/k8s.io/kubernetes/cmd/kube-apiserver/app/testing/testserver.go:219 +0xb77
      k8s.io/kubernetes/test/integration/controlplane/transformation.newTransformTest()
          /home/prow/go/src/k8s.io/kubernetes/test/integration/controlplane/transformation/transformation_test.go:131 +0x6d0
      k8s.io/kubernetes/test/integration/controlplane/transformation.TestKMSv2FeatureFlag()
          /home/prow/go/src/k8s.io/kubernetes/test/integration/controlplane/transformation/kmsv2_transformation_test.go:1009 +0x117
      testing.tRunner()
          /usr/local/go/src/testing/testing.go:1792 +0x225
      testing.(*T).Run.gowrap1()
          /usr/local/go/src/testing/testing.go:1851 +0x44

A more general solution is to lock while registering the variables (= write)
and while reading the variables once in InspectFeatureGates.
2025-09-02 21:01:04 +02:00
..
pkg apiserver: avoid default toleration seconds data race for all tests 2025-09-02 21:01:04 +02:00
OWNERS Add api-machinery TL owners permissions for jpbetz 2023-05-15 11:09:54 -04:00