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64af1adace
* plumb context from CRI calls through kubelet * clean up extra timeouts * try fixing incorrectly cancelled context
116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package remote
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import (
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"context"
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"os"
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"testing"
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"time"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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"go.opentelemetry.io/otel/sdk/trace/tracetest"
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oteltrace "go.opentelemetry.io/otel/trace"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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internalapi "k8s.io/cri-api/pkg/apis"
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apitest "k8s.io/cri-api/pkg/apis/testing"
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"k8s.io/kubernetes/pkg/features"
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fakeremote "k8s.io/kubernetes/pkg/kubelet/cri/remote/fake"
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"k8s.io/kubernetes/pkg/kubelet/util"
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)
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const (
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defaultConnectionTimeout = 15 * time.Second
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)
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// createAndStartFakeRemoteRuntime creates and starts fakeremote.RemoteRuntime.
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// It returns the RemoteRuntime, endpoint on success.
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// Users should call fakeRuntime.Stop() to cleanup the server.
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func createAndStartFakeRemoteRuntime(t *testing.T) (*fakeremote.RemoteRuntime, string) {
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endpoint, err := fakeremote.GenerateEndpoint()
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require.NoError(t, err)
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fakeRuntime := fakeremote.NewFakeRemoteRuntime()
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fakeRuntime.Start(endpoint)
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return fakeRuntime, endpoint
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}
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func createRemoteRuntimeService(endpoint string, t *testing.T) internalapi.RuntimeService {
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runtimeService, err := NewRemoteRuntimeService(endpoint, defaultConnectionTimeout, oteltrace.NewNoopTracerProvider())
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require.NoError(t, err)
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return runtimeService
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}
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func createRemoteRuntimeServiceWithTracerProvider(endpoint string, tp oteltrace.TracerProvider, t *testing.T) internalapi.RuntimeService {
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runtimeService, err := NewRemoteRuntimeService(endpoint, defaultConnectionTimeout, tp)
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require.NoError(t, err)
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return runtimeService
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}
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func TestGetSpans(t *testing.T) {
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.KubeletTracing, true)()
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fakeRuntime, endpoint := createAndStartFakeRemoteRuntime(t)
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defer func() {
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fakeRuntime.Stop()
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// clear endpoint file
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if addr, _, err := util.GetAddressAndDialer(endpoint); err == nil {
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if _, err := os.Stat(addr); err == nil {
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os.Remove(addr)
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}
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}
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}()
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exp := tracetest.NewInMemoryExporter()
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tp := sdktrace.NewTracerProvider(
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sdktrace.WithBatcher(exp),
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)
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ctx := context.Background()
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rtSvc := createRemoteRuntimeServiceWithTracerProvider(endpoint, tp, t)
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_, err := rtSvc.Version(ctx, apitest.FakeVersion)
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require.NoError(t, err)
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err = tp.ForceFlush(ctx)
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require.NoError(t, err)
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assert.NotEmpty(t, exp.GetSpans())
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}
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func TestVersion(t *testing.T) {
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fakeRuntime, endpoint := createAndStartFakeRemoteRuntime(t)
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defer func() {
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fakeRuntime.Stop()
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// clear endpoint file
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if addr, _, err := util.GetAddressAndDialer(endpoint); err == nil {
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if _, err := os.Stat(addr); err == nil {
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os.Remove(addr)
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}
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}
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}()
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ctx := context.Background()
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rtSvc := createRemoteRuntimeService(endpoint, t)
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version, err := rtSvc.Version(ctx, apitest.FakeVersion)
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require.NoError(t, err)
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assert.Equal(t, apitest.FakeVersion, version.Version)
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assert.Equal(t, apitest.FakeRuntimeName, version.RuntimeName)
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}
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