More WIP for the publisher controller
This commit is contained in:
Ryan Richard
parent
52546fad90
commit
2aa80e3576
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@ -120,7 +120,7 @@ metadata:
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rules:
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- apiGroups: [""]
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resources: [configmaps]
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verbs: [list, watch] #! TODO: do we neeed a get here for the controller?
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verbs: [list, watch]
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---
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kind: RoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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@ -126,7 +126,7 @@ func (c completedConfig) New() (*PlaceHolderServer, error) {
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s.GenericAPIServer.AddPostStartHookOrDie("start-controllers",
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func(postStartContext genericapiserver.PostStartHookContext) error {
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klog.InfoS("post start hook")
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klog.InfoS("start-controllers post start hook starting")
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ctx, cancel := context.WithCancel(context.Background())
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go func() {
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@ -43,10 +43,9 @@ import (
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"github.com/suzerain-io/placeholder-name/pkg/config"
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)
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// TODO(akeesler): what should these controller settings be?
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const (
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defaultWorkers = 3
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defaultResync = 20 * time.Minute
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singletonWorker = 1
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defaultResyncInterval = 3 * time.Minute
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)
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// App is an object that represents the placeholder-name-server application.
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@ -93,13 +92,13 @@ authenticating to the Kubernetes API.`,
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protoKubeConfig := createProtoKubeConfig(kubeConfig)
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// Connect to the core Kubernetes API.
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k8s, err := kubernetes.NewForConfig(protoKubeConfig)
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k8sClient, err := kubernetes.NewForConfig(protoKubeConfig)
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if err != nil {
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return fmt.Errorf("could not initialize Kubernetes client: %w", err)
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}
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// Connect to the Kubernetes aggregation API.
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aggregation, err := aggregationv1client.NewForConfig(protoKubeConfig)
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aggregationClient, err := aggregationv1client.NewForConfig(protoKubeConfig)
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if err != nil {
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return fmt.Errorf("could not initialize Kubernetes client: %w", err)
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}
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@ -107,12 +106,12 @@ authenticating to the Kubernetes API.`,
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// Connect to the placeholder API.
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// I think we can't use protobuf encoding here because we are using CRDs
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// (for which protobuf encoding is not supported).
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placeholder, err := placeholderclientset.NewForConfig(kubeConfig)
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placeholderClient, err := placeholderclientset.NewForConfig(kubeConfig)
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if err != nil {
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return fmt.Errorf("could not initialize placeholder client: %w", err)
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}
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return a.run(ctx, k8s, aggregation, placeholder)
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return a.run(ctx, k8sClient, aggregationClient, placeholderClient)
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},
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Args: cobra.NoArgs,
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}
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@ -161,9 +160,9 @@ func (a *App) Run() error {
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func (a *App) run(
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ctx context.Context,
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k8s kubernetes.Interface,
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aggregation aggregationv1client.Interface,
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placeholder placeholderclientset.Interface,
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k8sClient kubernetes.Interface,
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aggregationClient aggregationv1client.Interface,
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placeholderClient placeholderclientset.Interface,
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) error {
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cfg, err := config.FromPath(a.configPath)
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if err != nil {
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@ -185,6 +184,7 @@ func (a *App) run(
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if err != nil {
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return fmt.Errorf("could not read pod metadata: %w", err)
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}
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serverInstallationNamespace := podinfo.Namespace
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// TODO use the postStart hook to generate certs?
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@ -196,7 +196,7 @@ func (a *App) run(
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const serviceName = "placeholder-name-api"
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cert, err := apiCA.Issue(
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pkix.Name{CommonName: serviceName + "." + podinfo.Namespace + ".svc"},
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pkix.Name{CommonName: serviceName + "." + serverInstallationNamespace + ".svc"},
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[]string{},
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24*365*time.Hour,
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)
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@ -232,16 +232,16 @@ func (a *App) run(
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},
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}
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if err := autoregistration.Setup(ctx, autoregistration.SetupOptions{
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CoreV1: k8s.CoreV1(),
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AggregationV1: aggregation,
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Namespace: podinfo.Namespace,
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CoreV1: k8sClient.CoreV1(),
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AggregationV1: aggregationClient,
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Namespace: serverInstallationNamespace,
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ServiceTemplate: service,
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APIServiceTemplate: apiService,
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}); err != nil {
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return fmt.Errorf("could not register API service: %w", err)
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}
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cmrf := wireControllerManagerRunFunc(podinfo, k8s, placeholder)
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cmrf := wireControllerManagerRunFunc(serverInstallationNamespace, k8sClient, placeholderClient)
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apiServerConfig, err := a.configServer(
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cert,
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webhookTokenAuthenticator,
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@ -323,35 +323,33 @@ func createStaticCertKeyProvider(cert *tls.Certificate) (dynamiccertificates.Cer
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}
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func wireControllerManagerRunFunc(
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podinfo *downward.PodInfo,
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serverInstallationNamespace string,
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k8s kubernetes.Interface,
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placeholder placeholderclientset.Interface,
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) func(ctx context.Context) {
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k8sInformers := k8sinformers.NewSharedInformerFactoryWithOptions(
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k8s,
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defaultResync,
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defaultResyncInterval,
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k8sinformers.WithNamespace(
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logindiscovery.ClusterInfoNamespace,
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),
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)
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placeholderInformers := placeholderinformers.NewSharedInformerFactoryWithOptions(
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placeholder,
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defaultResync,
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placeholderinformers.WithNamespace(
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"integration", // TODO(akeesler): unhardcode this.
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),
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defaultResyncInterval,
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placeholderinformers.WithNamespace(serverInstallationNamespace),
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)
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cm := controller.
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NewManager().
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WithController(
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logindiscovery.NewPublisherController(
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podinfo.Namespace,
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serverInstallationNamespace,
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placeholder,
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k8sInformers.Core().V1().ConfigMaps(),
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placeholderInformers.Placeholder().V1alpha1().LoginDiscoveryConfigs(),
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controller.WithInformer,
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),
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defaultWorkers,
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singletonWorker,
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)
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return func(ctx context.Context) {
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k8sInformers.Start(ctx.Done())
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@ -14,8 +14,6 @@ import (
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/rest"
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placeholderv1alpha1 "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder/v1alpha1"
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@ -31,23 +29,18 @@ func TestSuccessfulLoginDiscoveryConfig(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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// TODO(akeesler): is there a race here between this test running and the
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// placeholder-name-server creating the CR?
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config := library.NewClientConfig(t)
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expectedLDC := getExpectedLDC(namespaceName, config)
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expectedLDCSpec := expectedLDCSpec(config)
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configList, err := client.
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PlaceholderV1alpha1().
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LoginDiscoveryConfigs(namespaceName).
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List(ctx, metav1.ListOptions{})
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require.NoError(t, err)
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require.Len(t, configList.Items, 1)
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require.Equal(t, expectedLDC, configList.Items[0])
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require.Equal(t, expectedLDCSpec, &configList.Items[0].Spec)
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}
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func TestReconcilingLoginDiscoveryConfig(t *testing.T) {
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t.Skip()
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namespaceName := os.Getenv("PLACEHOLDER_NAME_NAMESPACE")
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require.NotEmptyf(t, namespaceName, "must specify PLACEHOLDER_NAME_NAMESPACE env var for integration tests")
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@ -56,61 +49,32 @@ func TestReconcilingLoginDiscoveryConfig(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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// TODO(akeesler): is there a race here between this test running and the
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// placeholder-name-server creating the CR?
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w, err := client.
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PlaceholderV1alpha1().
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LoginDiscoveryConfigs(namespaceName).
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Watch(ctx, metav1.ListOptions{})
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require.NoError(t, err)
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err = client.
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err := client.
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PlaceholderV1alpha1().
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LoginDiscoveryConfigs(namespaceName).
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Delete(ctx, "placeholder-name-config", metav1.DeleteOptions{})
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require.NoError(t, err)
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config := library.NewClientConfig(t)
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expectedLDC := getExpectedLDC(namespaceName, config)
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received := func(et watch.EventType, o runtime.Object) func() bool {
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return func() bool {
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select {
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case e := <-w.ResultChan():
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require.Equal(t, et, e.Type)
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require.Equal(t, o, e.Object)
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return true
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default:
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return false
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}
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expectedLDCSpec := expectedLDCSpec(config)
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var actualLDC *placeholderv1alpha1.LoginDiscoveryConfig
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for i := 0; i < 10; i++ {
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actualLDC, err = client.PlaceholderV1alpha1().
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LoginDiscoveryConfigs(namespaceName).
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Get(ctx, "placeholder-name-config", metav1.GetOptions{})
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if err == nil {
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break
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}
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time.Sleep(time.Millisecond * 750)
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}
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require.Eventually(
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t,
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received(watch.Deleted, expectedLDC),
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time.Second,
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3*time.Second,
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)
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require.Eventually(
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t,
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received(watch.Added, expectedLDC),
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time.Second,
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3*time.Second,
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)
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require.NoError(t, err)
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require.Equal(t, expectedLDCSpec, &actualLDC.Spec)
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}
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func getExpectedLDC(
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namespaceName string,
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config *rest.Config,
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) *placeholderv1alpha1.LoginDiscoveryConfig {
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return &placeholderv1alpha1.LoginDiscoveryConfig{
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ObjectMeta: metav1.ObjectMeta{
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Name: "placeholder-name-config",
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Namespace: namespaceName,
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},
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Spec: placeholderv1alpha1.LoginDiscoveryConfigSpec{
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Server: config.Host,
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CertificateAuthorityData: base64.StdEncoding.EncodeToString(config.TLSClientConfig.CAData),
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},
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func expectedLDCSpec(config *rest.Config) *placeholderv1alpha1.LoginDiscoveryConfigSpec {
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return &placeholderv1alpha1.LoginDiscoveryConfigSpec{
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Server: "https://kind-control-plane:6443", //config.Host, // TODO FIX THIS
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CertificateAuthorityData: base64.StdEncoding.EncodeToString(config.TLSClientConfig.CAData),
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}
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}
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@ -181,32 +181,41 @@ func TestGetAPIResourceList(t *testing.T) {
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actualResources := findResources(resourceGroupVersion, resources)
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require.NotNil(t, actualResources)
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expectedResources := &metav1.APIResourceList{
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TypeMeta: metav1.TypeMeta{
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Kind: "APIResourceList",
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APIVersion: "v1",
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},
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GroupVersion: "placeholder.suzerain-io.github.io/v1alpha1",
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APIResources: []metav1.APIResource{
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{
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Name: "loginrequests",
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Kind: "LoginRequest",
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SingularName: "", // TODO(akeesler): what should this be?
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Verbs: metav1.Verbs([]string{
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"create",
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}),
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},
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},
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expectedLoginRequestAPIResource := metav1.APIResource{
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Name: "loginrequests",
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Kind: "LoginRequest",
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SingularName: "", // TODO(akeesler): what should this be?
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Verbs: metav1.Verbs([]string{
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"create",
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}),
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Namespaced: false,
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}
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require.Equal(t, expectedResources, actualResources)
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}
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func TestGetAPIVersion(t *testing.T) {
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client := library.NewPlaceholderNameClientset(t)
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expectedLDCAPIResource := metav1.APIResource{
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Name: "logindiscoveryconfigs",
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SingularName: "logindiscoveryconfig",
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Namespaced: true,
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Kind: "LoginDiscoveryConfig",
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Verbs: metav1.Verbs([]string{
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"delete", "deletecollection", "get", "list", "patch", "create", "update", "watch",
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}),
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ShortNames: []string{"ldc"},
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StorageVersionHash: "unknown: to be filled in automatically below",
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}
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version, err := client.Discovery().ServerVersion()
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require.NoError(t, err)
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require.NotNil(t, version) // TODO(akeesler): what can we assert here?
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expectedResourcesMap := map[string]metav1.APIResource{
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expectedLoginRequestAPIResource.Name: expectedLoginRequestAPIResource,
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expectedLDCAPIResource.Name: expectedLDCAPIResource,
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}
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require.Len(t, actualResources.APIResources, 2)
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for _, actualAPIResource := range actualResources.APIResources {
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if actualAPIResource.Name == expectedLDCAPIResource.Name {
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// hard to predict the storage version hash (e.g. "t/+v41y+3e4=") so just don't worry about comparing them
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expectedLDCAPIResource.StorageVersionHash = actualAPIResource.StorageVersionHash
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}
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require.Equal(t, expectedResourcesMap[actualAPIResource.Name], actualAPIResource)
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}
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}
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func findGroup(name string, groups []*metav1.APIGroup) *metav1.APIGroup {
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