Initial aggregated API server (#15)

Add initial aggregated API server (squashed from a bunch of commits). Signed-off-by: Andrew Keesler <akeesler@vmware.com> Signed-off-by: Aram Price <pricear@vmware.com> Signed-off-by: Ryan Richard <richardry@vmware.com>
2020-07-23 11:05:21 -04:00 · 2020-07-23 11:05:21 -04:00 · 5fdc20886d
commit 5fdc20886d
parent 23c1b32a02
14 changed files with 906 additions and 152 deletions
--- a/10
+++ b/10
@ -25,8 +25,12 @@ WORKDIR /work
 COPY go.mod .
 COPY go.sum .
 RUN go mod download
-# Copy the source code
-COPY . .
+# Copy only the production source code to avoid cache misses when editing other files
+COPY cmd ./cmd
+COPY internal ./internal
+COPY pkg ./pkg
+COPY tools ./tools
+COPY hack ./hack
 # Build the executable binary
 RUN GOOS=linux GOARCH=amd64 go build -ldflags "$(hack/get-ldflags.sh)" -o out ./...

@ -37,6 +41,6 @@ WORKDIR /root/
 # Copy the binary from the build-env stage
 COPY --from=build-env /work/out/placeholder-name placeholder-name
 # Document the port
-EXPOSE 8080
+EXPOSE 443
 # Set the command
 CMD ["./placeholder-name"]
--- a/cmd/placeholder-name/app/app.go
+++ b/cmd/placeholder-name/app/app.go
@ -9,38 +9,40 @@ package app
 import (
 	"context"
 	"crypto/tls"
+	"crypto/x509"
 	"crypto/x509/pkix"
-	"errors"
+	"encoding/pem"
 	"fmt"
 	"io"
 	"log"
-	"net"
-	"net/http"
 	"time"

-	"github.com/spf13/cobra"
-	"golang.org/x/sync/errgroup"
+	"k8s.io/apiserver/pkg/server/dynamiccertificates"
+
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/intstr"
-	"k8s.io/apiserver/pkg/authentication/authenticator"
-	"k8s.io/client-go/kubernetes"
-	corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
-	restclient "k8s.io/client-go/rest"
 	apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
-	aggregationv1client "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"

-	placeholderv1alpha1 "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder/v1alpha1"
 	"github.com/suzerain-io/placeholder-name/internal/autoregistration"
 	"github.com/suzerain-io/placeholder-name/internal/certauthority"
 	"github.com/suzerain-io/placeholder-name/internal/downward"
-	"github.com/suzerain-io/placeholder-name/pkg/config"
-	"github.com/suzerain-io/placeholder-name/pkg/handlers"
-)

-// shutdownGracePeriod controls how long active connections are allowed to continue at shutdown.
-const shutdownGracePeriod = 5 * time.Second
+	"k8s.io/apimachinery/pkg/runtime"
+
+	"github.com/spf13/cobra"
+	genericapiserver "k8s.io/apiserver/pkg/server"
+	genericoptions "k8s.io/apiserver/pkg/server/options"
+	"k8s.io/apiserver/plugin/pkg/authenticator/token/webhook"
+	"k8s.io/client-go/kubernetes"
+	corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
+	restclient "k8s.io/client-go/rest"
+	aggregationv1client "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"
+
+	placeholderv1alpha1 "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder/v1alpha1"
+	"github.com/suzerain-io/placeholder-name/pkg/apiserver"
+	"github.com/suzerain-io/placeholder-name/pkg/config"
+)

 // App is an object that represents the placeholder-name application.
 type App struct {
@ -50,22 +52,23 @@ type App struct {
 	configPath      string
 	downwardAPIPath string

-	// listen address for healthz serve
-	healthAddr string
-
-	// listen address for main serve
-	mainAddr string
-
-	// webhook authenticates tokens
-	webhook authenticator.Token
+	recommendedOptions *genericoptions.RecommendedOptions
 }

+// This is ignored for now because we turn off etcd storage below, but this is
+// the right prefix in case we turn it back on.
+const defaultEtcdPathPrefix = "/registry/" + placeholderv1alpha1.GroupName
+
 // New constructs a new App with command line args, stdout and stderr.
-func New(args []string, stdout, stderr io.Writer) *App {
+func New(ctx context.Context, args []string, stdout, stderr io.Writer) *App {
 	a := &App{
-		healthAddr: ":8080",
-		mainAddr:   ":443",
+		recommendedOptions: genericoptions.NewRecommendedOptions(
+			defaultEtcdPathPrefix,
+			apiserver.Codecs.LegacyCodec(placeholderv1alpha1.SchemeGroupVersion),
+			// TODO we should check to see if all the other default settings are acceptable for us
+		),
 	}
+	a.recommendedOptions.Etcd = nil // turn off etcd storage because we don't need it yet

 	cmd := &cobra.Command{
 		Use: `placeholder-name`,
@ -93,7 +96,8 @@ authenticating to the Kubernetes API.`,
 			if err != nil {
 				return fmt.Errorf("could not initialize Kubernetes client: %w", err)
 			}
-			return a.serve(context.Background(), k8s.CoreV1(), aggregation)
+
+			return a.run(ctx, k8s.CoreV1(), aggregation)
 		},
 		Args: cobra.NoArgs,
 	}
@ -126,23 +130,28 @@ func (a *App) Run() error {
 	return a.cmd.Execute()
 }

-func (a *App) serve(ctx context.Context, k8s corev1client.CoreV1Interface, aggregation aggregationv1client.Interface) error {
+func (a *App) run(
+	ctx context.Context,
+	k8s corev1client.CoreV1Interface,
+	aggregation aggregationv1client.Interface,
+) error {
 	cfg, err := config.FromPath(a.configPath)
 	if err != nil {
 		return fmt.Errorf("could not load config: %w", err)
 	}

-	webhook, err := config.NewWebhook(cfg.WebhookConfig)
+	webhookTokenAuthenticator, err := config.NewWebhook(cfg.WebhookConfig)
 	if err != nil {
 		return fmt.Errorf("could create webhook client: %w", err)
 	}
-	a.webhook = webhook

 	podinfo, err := downward.Load(a.downwardAPIPath)
 	if err != nil {
 		return fmt.Errorf("could not read pod metadata: %w", err)
 	}

+	// TODO use the postStart hook to generate certs?
+
 	ca, err := certauthority.New(pkix.Name{CommonName: "Placeholder CA"})
 	if err != nil {
 		return fmt.Errorf("could not initialize CA: %w", err)
@ -153,27 +162,26 @@ func (a *App) serve(ctx context.Context, k8s corev1client.CoreV1Interface, aggre
 	}
 	log.Printf("initialized CA bundle:\n%s", string(caBundle))

+	const serviceName = "placeholder-name-api"
+
 	cert, err := ca.Issue(
-		pkix.Name{CommonName: "Placeholder Server"},
-		[]string{"placeholder-serve"},
+		pkix.Name{CommonName: serviceName + "." + podinfo.Namespace + ".svc"},
+		[]string{},
 		24*365*time.Hour,
 	)
 	if err != nil {
 		return fmt.Errorf("could not issue serving certificate: %w", err)
 	}

-	// Start an errgroup to manage the lifetimes of the various listener goroutines.
-	eg, ctx := errgroup.WithContext(ctx)
-
 	// Dynamically register our v1alpha1 API service.
 	service := corev1.Service{
-		ObjectMeta: metav1.ObjectMeta{Name: "placeholder-name-api"},
+		ObjectMeta: metav1.ObjectMeta{Name: serviceName},
 		Spec: corev1.ServiceSpec{
 			Ports: []corev1.ServicePort{
 				{
 					Protocol:   corev1.ProtocolTCP,
 					Port:       443,
-					TargetPort: intstr.IntOrString{IntVal: 443}, //TODO: parse this out of mainAddr
+					TargetPort: intstr.IntOrString{IntVal: 443},
 				},
 			},
 			Selector: podinfo.Labels,
@ -188,8 +196,8 @@ func (a *App) serve(ctx context.Context, k8s corev1client.CoreV1Interface, aggre
 			Group:                placeholderv1alpha1.GroupName,
 			Version:              placeholderv1alpha1.SchemeGroupVersion.Version,
 			CABundle:             caBundle,
-			GroupPriorityMinimum: 2500,
-			VersionPriority:      10,
+			GroupPriorityMinimum: 2500, // TODO what is the right value? https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#apiservicespec-v1beta1-apiregistration-k8s-io
+			VersionPriority:      10,   // TODO what is the right value? https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#apiservicespec-v1beta1-apiregistration-k8s-io
 		},
 	}
 	if err := autoregistration.Setup(ctx, autoregistration.SetupOptions{
@ -202,66 +210,38 @@ func (a *App) serve(ctx context.Context, k8s corev1client.CoreV1Interface, aggre
 		return fmt.Errorf("could not register API service: %w", err)
 	}

-	// Start healthz listener
-	eg.Go(func() error {
-		log.Printf("Starting healthz serve on %v", a.healthAddr)
-		server := http.Server{
-			BaseContext: func(_ net.Listener) context.Context { return ctx },
-			Addr:        a.healthAddr,
-			Handler:     handlers.New(),
-		}
-		return runGracefully(ctx, &server, eg, server.ListenAndServe)
-	})
-
-	// Start main service listener
-	eg.Go(func() error {
-		log.Printf("Starting main serve on %v", a.mainAddr)
-		server := http.Server{
-			BaseContext: func(_ net.Listener) context.Context { return ctx },
-			Addr:        a.mainAddr,
-			TLSConfig: &tls.Config{
-				MinVersion:   tls.VersionTLS12,
-				Certificates: []tls.Certificate{*cert},
-			},
-			Handler: http.HandlerFunc(a.exampleHandler),
-		}
-		return runGracefully(ctx, &server, eg, func() error {
-			// Doc for ListenAndServeTLS says we can pass empty strings if we configured
-			// keypair for TLS in http.Server.TLSConfig.
-			return server.ListenAndServeTLS("", "")
-		})
-	})
-
-	if err := eg.Wait(); !errors.Is(err, http.ErrServerClosed) {
+	apiServerConfig, err := a.ConfigServer(cert, webhookTokenAuthenticator)
+	if err != nil {
 		return err
 	}
-	return nil
+
+	server, err := apiServerConfig.Complete().New()
+	if err != nil {
+		return fmt.Errorf("could not issue serving certificate: %w", err)
+	}
+
+	return server.GenericAPIServer.PrepareRun().Run(ctx.Done())
 }

-// exampleHandler is a stub to be replaced with our real server logic.
-func (a *App) exampleHandler(w http.ResponseWriter, r *http.Request) {
-	ctx, cancel := context.WithTimeout(r.Context(), 3*time.Second)
-	defer cancel()
+func (a *App) ConfigServer(cert *tls.Certificate, webhookTokenAuthenticator *webhook.WebhookTokenAuthenticator) (*apiserver.Config, error) {
+	provider, err := createStaticCertKeyProvider(cert)
+	if err != nil {
+		return nil, fmt.Errorf("could not create static cert key provider: %w", err)
+	}
+	a.recommendedOptions.SecureServing.ServerCert.GeneratedCert = provider

-	rsp, authenticated, err := a.webhook.AuthenticateToken(ctx, "")
-	log.Printf("token response: %+v", rsp)
-	log.Printf("token authenticated: %+v", authenticated)
-	log.Printf("token err: %+v", err)
+	serverConfig := genericapiserver.NewRecommendedConfig(apiserver.Codecs)
+	if err := a.recommendedOptions.ApplyTo(serverConfig); err != nil {
+		return nil, err
+	}

-	_, _ = w.Write([]byte("hello world"))
-}
-
-// runGracefully runs an http.Server with graceful shutdown.
-func runGracefully(ctx context.Context, srv *http.Server, eg *errgroup.Group, f func() error) error {
-	// Start the listener in a child goroutine.
-	eg.Go(f)
-
-	// If/when the context is canceled or times out, initiate shutting down the serve.
-	<-ctx.Done()
-
-	shutdownCtx, cancel := context.WithTimeout(context.Background(), shutdownGracePeriod)
-	defer cancel()
-	return srv.Shutdown(shutdownCtx)
+	apiServerConfig := &apiserver.Config{
+		GenericConfig: serverConfig,
+		ExtraConfig: apiserver.ExtraConfig{
+			Webhook: webhookTokenAuthenticator,
+		},
+	}
+	return apiServerConfig, nil
 }

 // createProtoKubeConfig returns a copy of the input config with the ContentConfig set to use protobuf.
@ -273,3 +253,27 @@ func createProtoKubeConfig(kubeConfig *restclient.Config) *restclient.Config {
 	protoKubeConfig.ContentType = runtime.ContentTypeProtobuf
 	return protoKubeConfig
 }
+
+func createStaticCertKeyProvider(cert *tls.Certificate) (dynamiccertificates.CertKeyContentProvider, error) {
+	privateKeyDER, err := x509.MarshalPKCS8PrivateKey(cert.PrivateKey)
+	if err != nil {
+		return nil, fmt.Errorf("error marshalling private key: %w", err)
+	}
+	privateKeyPEM := pem.EncodeToMemory(&pem.Block{
+		Type:    "PRIVATE KEY",
+		Headers: nil,
+		Bytes:   privateKeyDER,
+	})
+
+	certChainPEM := make([]byte, 0)
+	for _, certFromChain := range cert.Certificate {
+		certPEMBytes := pem.EncodeToMemory(&pem.Block{
+			Type:    "CERTIFICATE",
+			Headers: nil,
+			Bytes:   certFromChain,
+		})
+		certChainPEM = append(certChainPEM, certPEMBytes...)
+	}
+
+	return dynamiccertificates.NewStaticCertKeyContent("some-name???", certChainPEM, privateKeyPEM)
+}
--- a/cmd/placeholder-name/app/app_test.go
+++ b/cmd/placeholder-name/app/app_test.go
@ -10,14 +10,10 @@ import (
 	"context"
 	"strings"
 	"testing"
-	"time"

+	"github.com/google/go-cmp/cmp"
 	"github.com/spf13/cobra"
 	"github.com/stretchr/testify/require"
-	corev1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	corev1fake "k8s.io/client-go/kubernetes/fake"
-	aggregationv1fake "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/fake"
 )

 const knownGoodUsage = `
@ -29,9 +25,10 @@ Usage:
  placeholder-name [flags]

 Flags:
-  -c, --config string              path to configuration file (default "placeholder-name.yaml")
-      --downward-api-path string   path to Downward API volume mount (default "/etc/podinfo")
-  -h, --help                       help for placeholder-name
+  -c, --config string                  path to configuration file (default "placeholder-name.yaml")
+      --downward-api-path string       path to Downward API volume mount (default "/etc/podinfo")
+  -h, --help                           help for placeholder-name
+      --log-flush-frequency duration   Maximum number of seconds between log flushes (default 5s)
 `

 func TestCommand(t *testing.T) {
@ -78,7 +75,7 @@ func TestCommand(t *testing.T) {
 			stdout := bytes.NewBuffer([]byte{})
 			stderr := bytes.NewBuffer([]byte{})

-			a := New(test.args, stdout, stderr)
+			a := New(context.Background(), test.args, stdout, stderr)
 			a.cmd.RunE = func(cmd *cobra.Command, args []string) error {
 				return nil
 			}
@ -89,45 +86,8 @@ func TestCommand(t *testing.T) {
 				require.NoError(t, err)
 			}
 			if test.wantStdout != "" {
-				require.Equal(t, strings.TrimSpace(test.wantStdout), strings.TrimSpace(stdout.String()))
+				require.Equal(t, strings.TrimSpace(test.wantStdout), strings.TrimSpace(stdout.String()), cmp.Diff(test.wantStdout, stdout.String()))
 			}
 		})
 	}
 }
-
-func TestServeApp(t *testing.T) {
-	t.Parallel()
-
-	fakev1 := corev1fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "test-namespace"}})
-	fakeaggregationv1 := aggregationv1fake.NewSimpleClientset()
-
-	t.Run("success", func(t *testing.T) {
-		t.Parallel()
-		ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
-		cancel()
-
-		a := App{
-			healthAddr:      "127.0.0.1:0",
-			mainAddr:        "127.0.0.1:8443",
-			configPath:      "testdata/valid-config.yaml",
-			downwardAPIPath: "testdata/podinfo",
-		}
-		err := a.serve(ctx, fakev1.CoreV1(), fakeaggregationv1)
-		require.NoError(t, err)
-	})
-
-	t.Run("failure", func(t *testing.T) {
-		t.Parallel()
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		a := App{
-			healthAddr:      "127.0.0.1:8081",
-			mainAddr:        "127.0.0.1:8081",
-			configPath:      "testdata/valid-config.yaml",
-			downwardAPIPath: "testdata/podinfo",
-		}
-		err := a.serve(ctx, fakev1.CoreV1(), fakeaggregationv1)
-		require.EqualError(t, err, "listen tcp 127.0.0.1:8081: bind: address already in use")
-	})
-}
--- a/cmd/placeholder-name/main.go
+++ b/cmd/placeholder-name/main.go
@ -8,16 +8,24 @@ package main
 import (
 	"os"

+	genericapiserver "k8s.io/apiserver/pkg/server"
 	"k8s.io/client-go/pkg/version"
 	"k8s.io/client-go/rest"
+	"k8s.io/component-base/logs"
 	"k8s.io/klog/v2"

 	"github.com/suzerain-io/placeholder-name/cmd/placeholder-name/app"
 )

 func main() {
+	logs.InitLogs()
+	defer logs.FlushLogs()
+
 	klog.Infof("Running %s at %#v", rest.DefaultKubernetesUserAgent(), version.Get())
-	if err := app.New(os.Args[1:], os.Stdout, os.Stderr).Run(); err != nil {
-		os.Exit(1)
+
+	ctx := genericapiserver.SetupSignalContext()
+
+	if err := app.New(ctx, os.Args[1:], os.Stdout, os.Stderr).Run(); err != nil {
+		klog.Fatal(err)
 	}
 }
--- a/deploy/deployment.yaml
+++ b/deploy/deployment.yaml
@ -23,11 +23,14 @@ metadata:
    app: #@ data.values.app_name
 data:
  #@yaml/text-templated-strings
-  placeholder-config.yaml: |
+  placeholder-name.yaml: |
    webhook:
      url: (@= data.values.webhook_url @)
      caBundle: (@= data.values.webhook_ca_bundle @)
 ---
+#! TODO set up healthy, ready, etc. probes correctly for our deployment
+#! TODO set the priority-critical-urgent on our deployment to ask kube to never let it die
+#! TODO set resource minimums (e.g. 512MB RAM) on the deployment to make sure we get scheduled onto a reasonable node
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@ -36,7 +39,7 @@ metadata:
  labels:
    app: #@ data.values.app_name
 spec:
-  replicas: 1
+  replicas: 1 #! TODO more than one replica for high availability, and share the same serving certificate among them (maybe using client-go leader election)
  selector:
    matchLabels:
      app: #@ data.values.app_name
@ -57,7 +60,7 @@ spec:
          command:
            - ./placeholder-name
          args:
-            - --config=/etc/config/placeholder-config.yaml
+            - --config=/etc/config/placeholder-name.yaml
            - --downward-api-path=/etc/podinfo
          volumeMounts:
            - name: config-volume
--- a/deploy/rbac.yaml
+++ b/deploy/rbac.yaml
@ -12,6 +12,9 @@ rules:
  - apiGroups: [apiregistration.k8s.io]
    resources: [apiservices]
    verbs: [create, get, list, patch, update, watch]
+  - apiGroups: [admissionregistration.k8s.io]
+    resources: [validatingwebhookconfigurations, mutatingwebhookconfigurations]
+    verbs: [get, list, watch]
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
@ -49,3 +52,59 @@ roleRef:
  kind: Role
  name: #@ data.values.app_name + "-aggregated-api-server-role"
  apiGroup: rbac.authorization.k8s.io
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: #@ data.values.app_name + "-loginrequests-cluster-role"
+rules:
+  - apiGroups: [placeholder.suzerain-io.github.io]
+    resources: [loginrequests]
+    verbs: [create]
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: #@ data.values.app_name + "-loginrequests-cluster-role-binding"
+subjects:
+  #! both authenticated and unauthenticated requests (i.e. all requests) should be allowed
+  - kind: Group
+    name: system:authenticated
+    apiGroup: rbac.authorization.k8s.io
+  - kind: Group
+    name: system:unauthenticated
+    apiGroup: rbac.authorization.k8s.io
+roleRef:
+  kind: ClusterRole
+  name: #@ data.values.app_name + "-loginrequests-cluster-role"
+  apiGroup: rbac.authorization.k8s.io
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: #@ data.values.app_name + "-service-account-cluster-role-binding"
+  namespace: #@ data.values.namespace
+subjects:
+  - kind: ServiceAccount
+    name: #@ data.values.app_name + "-service-account"
+    namespace: #@ data.values.namespace
+roleRef:
+  kind: ClusterRole
+  #! give permissions for subjectaccessreviews, tokenreview that is needed by aggregated api servers
+  name: system:auth-delegator
+  apiGroup: rbac.authorization.k8s.io
+---
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: #@ data.values.app_name + "-extension-apiserver-authentication-reader-role-binding"
+  namespace: kube-system
+subjects:
+  - kind: ServiceAccount
+    name: #@ data.values.app_name + "-service-account"
+    namespace: #@ data.values.namespace
+roleRef:
+  kind: Role
+  #! give permissions for a special configmap of CA bundles that is needed by aggregated api servers
+  name: extension-apiserver-authentication-reader
+  apiGroup: rbac.authorization.k8s.io
--- a/go.mod
+++ b/go.mod
@ -5,15 +5,17 @@ go 1.14
 require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/golangci/golangci-lint v1.28.1
+	github.com/google/go-cmp v0.4.0
 	github.com/spf13/cobra v1.0.0
 	github.com/stretchr/testify v1.6.1
 	github.com/suzerain-io/placeholder-name-api v0.0.0-20200714184318-8ad91581433a
-	golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208
+	github.com/suzerain-io/placeholder-name-client-go v0.0.0-20200714203950-a414963b4f95
 	golang.org/x/tools v0.0.0-20200707134715-9e0a013e855f // indirect
 	k8s.io/api v0.19.0-rc.0
 	k8s.io/apimachinery v0.19.0-rc.0
 	k8s.io/apiserver v0.19.0-rc.0
 	k8s.io/client-go v0.19.0-rc.0
+	k8s.io/component-base v0.19.0-rc.0
 	k8s.io/klog/v2 v2.2.0
 	k8s.io/kube-aggregator v0.19.0-rc.0
 	k8s.io/utils v0.0.0-20200619165400-6e3d28b6ed19
--- a/go.sum
+++ b/go.sum
@ -31,13 +31,16 @@ github.com/Djarvur/go-err113 v0.0.0-20200511133814-5174e21577d5 h1:XTrzB+F8+SpRm
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@ -67,16 +70,20 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
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@ -86,14 +93,17 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
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@ -122,14 +132,18 @@ github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTg
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@ -218,6 +232,7 @@ github.com/golangci/revgrep v0.0.0-20180526074752-d9c87f5ffaf0/go.mod h1:qOQCunE
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@ -244,15 +259,19 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGa
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@ -289,6 +308,7 @@ github.com/jirfag/go-printf-func-name v0.0.0-20191110105641-45db9963cdd3 h1:jNYP
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@ -327,6 +347,7 @@ github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czP
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@ -369,6 +390,7 @@ github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9
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 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
@ -460,6 +482,7 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykE
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/sonatard/noctx v0.0.1 h1:VC1Qhl6Oxx9vvWo3UDgrGXYCeKCe3Wbw7qAWL6FrmTY=
 github.com/sonatard/noctx v0.0.1/go.mod h1:9D2D/EoULe8Yy2joDHJj7bv3sZoq9AaSb8B4lqBjiZI=
@ -498,6 +521,8 @@ github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/suzerain-io/placeholder-name-api v0.0.0-20200714184318-8ad91581433a h1:ycG6TufZM7ZDrgBklkXEMauvSyh44JQDvSUdJawAjGA=
 github.com/suzerain-io/placeholder-name-api v0.0.0-20200714184318-8ad91581433a/go.mod h1:bNHheAnmAISdW/ZYTnhCmg8QQKwA5WD64ZvPdsTrWjw=
+github.com/suzerain-io/placeholder-name-client-go v0.0.0-20200714203950-a414963b4f95 h1:O1aoszdMJEekLXD7pNWP23vq0g8eXLp40AQgY8Hj+Sw=
+github.com/suzerain-io/placeholder-name-client-go v0.0.0-20200714203950-a414963b4f95/go.mod h1:NwirXEgd1VaA+6R0W7PYL/ae6wfPT3vA+tu7POAArjU=
 github.com/tdakkota/asciicheck v0.0.0-20200416190851-d7f85be797a2 h1:Xr9gkxfOP0KQWXKNqmwe8vEeSUiUj4Rlee9CMVX2ZUQ=
 github.com/tdakkota/asciicheck v0.0.0-20200416190851-d7f85be797a2/go.mod h1:yHp0ai0Z9gUljN3o0xMhYJnH/IcvkdTBOX2fmJ93JEM=
 github.com/tetafro/godot v0.4.2 h1:Dib7un+rYJFUi8vN0Bk6EHheKy6fv6ZzFURHw75g6m8=
@ -505,6 +530,7 @@ github.com/tetafro/godot v0.4.2/go.mod h1:/7NLHhv08H1+8DNj0MElpAACw1ajsCuf3TKNQx
 github.com/timakin/bodyclose v0.0.0-20190930140734-f7f2e9bca95e h1:RumXZ56IrCj4CL+g1b9OL/oH0QnsF976bC8xQFYUD5Q=
 github.com/timakin/bodyclose v0.0.0-20190930140734-f7f2e9bca95e/go.mod h1:Qimiffbc6q9tBWlVV6x0P9sat/ao1xEkREYPPj9hphk=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tommy-muehle/go-mnd v1.3.1-0.20200224220436-e6f9a994e8fa h1:RC4maTWLKKwb7p1cnoygsbKIgNlJqSYBeAFON3Ar8As=
 github.com/tommy-muehle/go-mnd v1.3.1-0.20200224220436-e6f9a994e8fa/go.mod h1:dSUh0FtTP8VhvkL1S+gUR1OKd9ZnSaozuI6r3m6wOig=
@ -520,6 +546,7 @@ github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyC
 github.com/valyala/fasthttp v1.12.0/go.mod h1:229t1eWu9UXTPmoUkbpN/fctKPBY4IJoFXQnxHGXy6E=
 github.com/valyala/quicktemplate v1.5.0/go.mod h1:v7yYWpBEiutDyNfVaph6oC/yKwejzVyTX/2cwwHxyok=
 github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
+github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@ -527,14 +554,19 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
 go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
+go.etcd.io/etcd v0.5.0-alpha.5.0.20200520232829-54ba9589114f h1:pBCD+Z7cy5WPTq+R6MmJJvDRpn88cp7bmTypBsn91g4=
 go.etcd.io/etcd v0.5.0-alpha.5.0.20200520232829-54ba9589114f/go.mod h1:skWido08r9w6Lq/w70DO5XYIKMu4QFu1+4VsqLQuJy8=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
+go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
+go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
+go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@ -650,6 +682,8 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e h1:EHBhcS0mlXEAVwNyO2dLfjToGsyY4j24pTs2ScHnX7s=
+golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@ -759,6 +793,7 @@ gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
@ -801,6 +836,7 @@ k8s.io/klog/v2 v2.2.0 h1:XRvcwJozkgZ1UQJmfMGpvRthQHOvihEhYtDfAaxMz/A=
 k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
 k8s.io/kube-aggregator v0.19.0-rc.0 h1:+u9y1c0R2GF8fuaEnlJrdUtxoEmQOON98oatycSquOA=
 k8s.io/kube-aggregator v0.19.0-rc.0/go.mod h1:DCq8Korz9XUEZVsq0wAGIAyJW79xdcYhIBtvWNTsTkc=
+k8s.io/kube-openapi v0.0.0-20200427153329-656914f816f9 h1:5NC2ITmvg8RoxoH0wgmL4zn4VZqXGsKbxrikjaQx6s4=
 k8s.io/kube-openapi v0.0.0-20200427153329-656914f816f9/go.mod h1:bfCVj+qXcEaE5SCvzBaqpOySr6tuCcpPKqF6HD8nyCw=
 k8s.io/kube-openapi v0.0.0-20200615155156-dffdd1682719 h1:n/ElZyI1dzFPXKS8nZMw8wozBUz7vEfL0Ja7jN2rSvA=
 k8s.io/kube-openapi v0.0.0-20200615155156-dffdd1682719/go.mod h1:bfCVj+qXcEaE5SCvzBaqpOySr6tuCcpPKqF6HD8nyCw=
--- a/hack/lib/version.sh
+++ b/hack/lib/version.sh
@ -71,7 +71,7 @@ kube::version::get_version_vars() {
      # compatible semantic version that looks something like this:
      #   v1.1.0-alpha.0.6+84c76d1142ea4d
      #
-      # TODO: We continue calling this "git version" because so many
+      # xTODO: We continue calling this "git version" because so many
      # downstream consumers are expecting it there.
      #
      # These regexes are painful enough in sed...
--- a/pkg/apiserver/apiserver.go
+++ b/pkg/apiserver/apiserver.go
@ -0,0 +1,132 @@
+/*
+Copyright 2020 VMware, Inc.
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package apiserver
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	"k8s.io/apiserver/pkg/authentication/authenticator"
+	"k8s.io/apiserver/pkg/registry/rest"
+	genericapiserver "k8s.io/apiserver/pkg/server"
+	"k8s.io/client-go/pkg/version"
+	"k8s.io/klog/v2"
+
+	placeholderapi "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder"
+	placeholderv1alpha1 "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder/v1alpha1"
+	"github.com/suzerain-io/placeholder-name/pkg/registry/loginrequest"
+)
+
+var (
+	//nolint: gochecknoglobals
+	scheme = runtime.NewScheme()
+	//nolint: gochecknoglobals
+	//nolint: golint
+	Codecs = serializer.NewCodecFactory(scheme)
+)
+
+//nolint: gochecknoinits
+func init() {
+	utilruntime.Must(placeholderv1alpha1.AddToScheme(scheme))
+	utilruntime.Must(placeholderapi.AddToScheme(scheme))
+
+	// add the options to empty v1
+	metav1.AddToGroupVersion(scheme, schema.GroupVersion{Version: "v1"})
+
+	unversioned := schema.GroupVersion{Group: "", Version: "v1"}
+	scheme.AddUnversionedTypes(unversioned,
+		&metav1.Status{},
+		&metav1.APIVersions{},
+		&metav1.APIGroupList{},
+		&metav1.APIGroup{},
+		&metav1.APIResourceList{},
+	)
+}
+
+type Config struct {
+	GenericConfig *genericapiserver.RecommendedConfig
+	ExtraConfig   ExtraConfig
+}
+
+type ExtraConfig struct {
+	Webhook authenticator.Token
+}
+
+type PlaceHolderServer struct {
+	GenericAPIServer *genericapiserver.GenericAPIServer
+}
+
+type completedConfig struct {
+	GenericConfig genericapiserver.CompletedConfig
+	ExtraConfig   *ExtraConfig
+}
+
+type CompletedConfig struct {
+	// Embed a private pointer that cannot be instantiated outside of this package.
+	*completedConfig
+}
+
+// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
+func (c *Config) Complete() CompletedConfig {
+	completedCfg := completedConfig{
+		c.GenericConfig.Complete(),
+		&c.ExtraConfig,
+	}
+
+	versionInfo := version.Get()
+	completedCfg.GenericConfig.Version = &versionInfo
+
+	return CompletedConfig{completedConfig: &completedCfg}
+}
+
+// New returns a new instance of AdmissionServer from the given config.
+func (c completedConfig) New() (*PlaceHolderServer, error) {
+	genericServer, err := c.GenericConfig.New("place-holder-server", genericapiserver.NewEmptyDelegate()) // completion is done in Complete, no need for a second time
+	if err != nil {
+		return nil, fmt.Errorf("completion error: %w", err)
+	}
+
+	s := &PlaceHolderServer{
+		GenericAPIServer: genericServer,
+	}
+
+	gvr := placeholderv1alpha1.SchemeGroupVersion.WithResource("loginrequests")
+
+	apiGroupInfo := genericapiserver.APIGroupInfo{
+		PrioritizedVersions:          []schema.GroupVersion{gvr.GroupVersion()},
+		VersionedResourcesStorageMap: map[string]map[string]rest.Storage{},
+		OptionsExternalVersion:       &schema.GroupVersion{Version: "v1"},
+		Scheme:                       scheme,
+		ParameterCodec:               metav1.ParameterCodec,
+		NegotiatedSerializer:         Codecs,
+	}
+
+	loginRequestStorage := loginrequest.NewREST(c.ExtraConfig.Webhook)
+
+	v1alpha1Storage, ok := apiGroupInfo.VersionedResourcesStorageMap[gvr.Version]
+	if !ok {
+		v1alpha1Storage = map[string]rest.Storage{}
+	}
+	v1alpha1Storage[gvr.Resource] = loginRequestStorage
+	apiGroupInfo.VersionedResourcesStorageMap[gvr.Version] = v1alpha1Storage
+
+	if err := s.GenericAPIServer.InstallAPIGroup(&apiGroupInfo); err != nil {
+		return nil, fmt.Errorf("install API group error: %w", err)
+	}
+
+	s.GenericAPIServer.AddPostStartHookOrDie("place-holder-post-start-hook",
+		func(context genericapiserver.PostStartHookContext) error {
+			klog.InfoS("post start hook", "foo", "bar")
+			return nil
+		},
+	)
+
+	return s, nil
+}
--- a/pkg/registry/loginrequest/rest.go
+++ b/pkg/registry/loginrequest/rest.go
@ -0,0 +1,114 @@
+/*
+Copyright 2020 VMware, Inc.
+SPDX-License-Identifier: Apache-2.0
+*/
+
+// Package loginrequest provides REST functionality for the LoginRequest resource.
+package loginrequest
+
+import (
+	"context"
+	"fmt"
+
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/apiserver/pkg/authentication/authenticator"
+	"k8s.io/apiserver/pkg/registry/rest"
+
+	placeholderapi "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder"
+)
+
+var (
+	_ rest.Creater                 = &REST{}
+	_ rest.NamespaceScopedStrategy = &REST{}
+	_ rest.Scoper                  = &REST{}
+	_ rest.Storage                 = &REST{}
+)
+
+func NewREST(webhook authenticator.Token) *REST {
+	return &REST{
+		webhook: webhook,
+	}
+}
+
+type REST struct {
+	webhook authenticator.Token
+}
+
+func (r *REST) New() runtime.Object {
+	return &placeholderapi.LoginRequest{}
+}
+
+func (r *REST) NamespaceScoped() bool {
+	return false
+}
+
+func (r *REST) Create(ctx context.Context, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
+	loginRequest, ok := obj.(*placeholderapi.LoginRequest)
+	if !ok {
+		return nil, apierrors.NewBadRequest(fmt.Sprintf("not a LoginRequest: %#v", obj))
+	}
+
+	// TODO refactor all validation checks into a validation function in another package (e.g. see subjectaccessreqview api in k8s)
+
+	// TODO also validate .spec.type
+	token := loginRequest.Spec.Token
+	if token == nil || len(token.Value) == 0 {
+		errs := field.ErrorList{field.Required(field.NewPath("spec", "token", "value"), "token must be supplied")}
+		return nil, apierrors.NewInvalid(placeholderapi.Kind(loginRequest.Kind), loginRequest.Name, errs)
+	}
+
+	// let dynamic admission webhooks have a chance to validate (but not mutate) as well
+	// TODO Are we okay with admission webhooks being able to see tokens? Maybe strip token out before passing obj to createValidation.
+	//  Since we are an aggregated API, we should investigate to see if the kube API server is already invoking admission hooks for us.
+	//  Even if it is, its okay to call it again here. If the kube API server is already calling the webhooks and passing
+	//  the token, then there is probably no reason for us to avoid passing the token when we call the webhooks here, since
+	//  they already got the token.
+	if createValidation != nil {
+		if err := createValidation(ctx, obj.DeepCopyObject()); err != nil {
+			return nil, err
+		}
+	}
+
+	// just a sanity check, not sure how to honor a dry run on a virtual API
+	if options != nil {
+		if len(options.DryRun) != 0 {
+			errs := field.ErrorList{field.NotSupported(field.NewPath("dryRun"), options.DryRun, nil)}
+			return nil, apierrors.NewInvalid(placeholderapi.Kind(loginRequest.Kind), loginRequest.Name, errs)
+		}
+	}
+
+	// the incoming context could have an audience attached to it technically
+	// sine we do not want to handle audiences right now, do not pass it through directly
+	// instead we just propagate cancellation of the parent context
+	cancelCtx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	go func() {
+		select {
+		case <-ctx.Done():
+			cancel()
+		case <-cancelCtx.Done():
+		}
+	}()
+
+	// TODO do the actual business logic of this endpoint here
+
+	_, _, err := r.webhook.AuthenticateToken(cancelCtx, token.Value)
+	if err != nil {
+		return nil, fmt.Errorf("authenticate token failed: %w", err)
+	}
+
+	// make a new object so that we do not return the original token in the response
+	out := &placeholderapi.LoginRequest{
+		Status: placeholderapi.LoginRequestStatus{
+			ExpirationTimestamp:   nil,
+			Token:                 "snorlax",
+			ClientCertificateData: "",
+			ClientKeyData:         "",
+		},
+	}
+
+	return out, nil
+}
--- a/pkg/registry/loginrequest/rest_test.go
+++ b/pkg/registry/loginrequest/rest_test.go
@ -0,0 +1,240 @@
+/*
+Copyright 2020 VMware, Inc.
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package loginrequest
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+
+	"github.com/stretchr/testify/require"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/authentication/authenticator"
+	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
+	"k8s.io/apiserver/pkg/registry/rest"
+
+	placeholderapi "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder"
+)
+
+type contextKey struct{}
+
+type FakeToken struct {
+	calledWithToken                       string
+	calledWithContext                     context.Context
+	timeout                               time.Duration
+	reachedTimeout                        bool
+	cancelled                             bool
+	webhookStartedRunningNotificationChan chan bool
+	returnErr                             error
+}
+
+func (f *FakeToken) AuthenticateToken(ctx context.Context, token string) (*authenticator.Response, bool, error) {
+	f.calledWithToken = token
+	f.calledWithContext = ctx
+	if f.webhookStartedRunningNotificationChan != nil {
+		f.webhookStartedRunningNotificationChan <- true
+	}
+	afterCh := time.After(f.timeout)
+	select {
+	case <-afterCh:
+		f.reachedTimeout = true
+	case <-ctx.Done():
+		f.cancelled = true
+	}
+	return &authenticator.Response{}, true, f.returnErr
+}
+
+func callCreate(ctx context.Context, storage *REST, loginRequest *placeholderapi.LoginRequest) (runtime.Object, error) {
+	return storage.Create(
+		ctx,
+		loginRequest,
+		rest.ValidateAllObjectFunc,
+		&metav1.CreateOptions{
+			DryRun: []string{},
+		})
+}
+
+func validLoginRequest() *placeholderapi.LoginRequest {
+	return loginRequest(placeholderapi.LoginRequestSpec{
+		Type:  placeholderapi.TokenLoginCredentialType,
+		Token: &placeholderapi.LoginRequestTokenCredential{Value: "a token"},
+	})
+}
+
+func loginRequest(spec placeholderapi.LoginRequestSpec) *placeholderapi.LoginRequest {
+	return &placeholderapi.LoginRequest{
+		TypeMeta: metav1.TypeMeta{},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "request name",
+		},
+		Spec: spec,
+	}
+}
+
+func TestCreateSucceedsWhenGivenAToken(t *testing.T) {
+	webhook := FakeToken{}
+	storage := NewREST(&webhook)
+	requestToken := "a token"
+	response, err := callCreate(context.Background(), storage, loginRequest(placeholderapi.LoginRequestSpec{
+		Type:  placeholderapi.TokenLoginCredentialType,
+		Token: &placeholderapi.LoginRequestTokenCredential{Value: requestToken},
+	}))
+
+	require.NoError(t, err)
+	require.Equal(t, response, &placeholderapi.LoginRequest{
+		Status: placeholderapi.LoginRequestStatus{
+			ExpirationTimestamp:   nil,
+			Token:                 "snorlax",
+			ClientCertificateData: "",
+			ClientKeyData:         "",
+		},
+	})
+	require.Equal(t, requestToken, webhook.calledWithToken)
+}
+
+func TestCreateDoesNotPassAdditionalContextInfoToTheWebhook(t *testing.T) {
+	webhook := FakeToken{}
+	storage := NewREST(&webhook)
+	ctx := context.WithValue(context.Background(), contextKey{}, "context-value")
+
+	_, err := callCreate(ctx, storage, validLoginRequest())
+
+	require.NoError(t, err)
+	require.Nil(t, webhook.calledWithContext.Value("context-key"))
+}
+
+func TestCreateCancelsTheWebhookInvocationWhenTheCallToCreateIsCancelledItself(t *testing.T) {
+	webhookStartedRunningNotificationChan := make(chan bool)
+	webhook := FakeToken{
+		timeout:                               time.Second * 2,
+		webhookStartedRunningNotificationChan: webhookStartedRunningNotificationChan,
+	}
+	storage := NewREST(&webhook)
+	ctx, cancel := context.WithCancel(context.Background())
+
+	c := make(chan bool)
+	go func() {
+		_, err := callCreate(ctx, storage, validLoginRequest())
+		c <- true
+		require.NoError(t, err)
+	}()
+
+	require.False(t, webhook.cancelled)
+	require.False(t, webhook.reachedTimeout)
+	<-webhookStartedRunningNotificationChan // wait long enough to make sure that the webhook has started
+	cancel()                                // cancel the context that was passed to storage.Create() above
+	<-c                                     // wait for the above call to storage.Create() to be finished
+	require.True(t, webhook.cancelled)
+	require.False(t, webhook.reachedTimeout)
+	require.Equal(t, context.Canceled, webhook.calledWithContext.Err()) // the inner context is cancelled
+}
+
+func TestCreateAllowsTheWebhookInvocationToFinishWhenTheCallToCreateIsNotCancelledItself(t *testing.T) {
+	webhookStartedRunningNotificationChan := make(chan bool)
+	webhook := FakeToken{
+		timeout:                               0,
+		webhookStartedRunningNotificationChan: webhookStartedRunningNotificationChan,
+	}
+	storage := NewREST(&webhook)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	c := make(chan bool)
+	go func() {
+		_, err := callCreate(ctx, storage, validLoginRequest())
+		c <- true
+		require.NoError(t, err)
+	}()
+
+	require.False(t, webhook.cancelled)
+	require.False(t, webhook.reachedTimeout)
+	<-webhookStartedRunningNotificationChan // wait long enough to make sure that the webhook has started
+	<-c                                     // wait for the above call to storage.Create() to be finished
+	require.False(t, webhook.cancelled)
+	require.True(t, webhook.reachedTimeout)
+	require.Equal(t, context.Canceled, webhook.calledWithContext.Err()) // the inner context is cancelled (in this case by the "defer")
+}
+
+func TestCreateFailsWhenWebhookFails(t *testing.T) {
+	webhook := FakeToken{
+		returnErr: errors.New("some webhook error"),
+	}
+	storage := NewREST(&webhook)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	_, err := callCreate(ctx, storage, validLoginRequest())
+	require.EqualError(t, err, "authenticate token failed: some webhook error")
+}
+
+func TestCreateFailsWhenGivenTheWrongInputType(t *testing.T) {
+	notALoginRequest := runtime.Unknown{}
+	response, err := NewREST(&FakeToken{}).Create(
+		genericapirequest.NewContext(),
+		&notALoginRequest,
+		rest.ValidateAllObjectFunc,
+		&metav1.CreateOptions{})
+
+	require.Nil(t, response)
+	require.True(t, apierrors.IsBadRequest(err))
+	var status apierrors.APIStatus
+	errors.As(err, &status)
+	require.Contains(t, status.Status().Message, "not a LoginRequest")
+}
+
+func TestCreateFailsWhenTokenIsNilInRequest(t *testing.T) {
+	storage := NewREST(&FakeToken{})
+	response, err := callCreate(context.Background(), storage, loginRequest(placeholderapi.LoginRequestSpec{
+		Type:  placeholderapi.TokenLoginCredentialType,
+		Token: nil,
+	}))
+
+	require.Nil(t, response)
+	require.True(t, apierrors.IsInvalid(err))
+	var status apierrors.APIStatus
+	errors.As(err, &status)
+	require.Equal(t,
+		`.placeholder.suzerain-io.github.io "request name" is invalid: spec.token.value: Required value: token must be supplied`,
+		status.Status().Message)
+}
+
+func TestCreateFailsWhenTokenValueIsEmptyInRequest(t *testing.T) {
+	storage := NewREST(&FakeToken{})
+	response, err := callCreate(context.Background(), storage, loginRequest(placeholderapi.LoginRequestSpec{
+		Type:  placeholderapi.TokenLoginCredentialType,
+		Token: &placeholderapi.LoginRequestTokenCredential{Value: ""},
+	}))
+
+	require.Nil(t, response)
+	require.True(t, apierrors.IsInvalid(err))
+	var status apierrors.APIStatus
+	errors.As(err, &status)
+	require.Equal(t,
+		`.placeholder.suzerain-io.github.io "request name" is invalid: spec.token.value: Required value: token must be supplied`,
+		status.Status().Message)
+}
+
+func TestCreateFailsWhenRequestOptionsDryRunIsNotEmpty(t *testing.T) {
+	response, err := NewREST(&FakeToken{}).Create(
+		genericapirequest.NewContext(),
+		validLoginRequest(),
+		rest.ValidateAllObjectFunc,
+		&metav1.CreateOptions{
+			DryRun: []string{"some dry run flag"},
+		})
+
+	require.Nil(t, response)
+	require.True(t, apierrors.IsInvalid(err))
+	var status apierrors.APIStatus
+	errors.As(err, &status)
+	require.Equal(t,
+		`.placeholder.suzerain-io.github.io "request name" is invalid: dryRun: Unsupported value: []string{"some dry run flag"}`,
+		status.Status().Message)
+}
--- a/test/integration/loginrequest_test.go
+++ b/test/integration/loginrequest_test.go
@ -0,0 +1,184 @@
+/*
+Copyright 2020 VMware, Inc.
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package integration
+
+import (
+	"context"
+	"encoding/json"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder/v1alpha1"
+	"github.com/suzerain-io/placeholder-name/test/library"
+)
+
+func makeRequest(t *testing.T, spec v1alpha1.LoginRequestSpec) (*v1alpha1.LoginRequest, error) {
+	t.Helper()
+
+	client := library.NewPlaceholderNameClientset(t)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	return client.PlaceholderV1alpha1().LoginRequests().Create(ctx, &v1alpha1.LoginRequest{
+		TypeMeta:   metav1.TypeMeta{},
+		ObjectMeta: metav1.ObjectMeta{},
+		Spec:       spec,
+	}, metav1.CreateOptions{})
+}
+
+func TestSuccessfulLoginRequest(t *testing.T) {
+	tmcClusterToken := os.Getenv("PLACEHOLDER_NAME_TMC_CLUSTER_TOKEN")
+	require.NotEmptyf(t, tmcClusterToken, "must specify PLACEHOLDER_NAME_TMC_CLUSTER_TOKEN env var for integration tests")
+
+	response, err := makeRequest(t, v1alpha1.LoginRequestSpec{
+		Token: &v1alpha1.LoginRequestTokenCredential{Value: tmcClusterToken},
+	})
+
+	require.NoError(t, err)
+
+	require.Empty(t, response.Spec)
+	require.NotEmpty(t, response.Status.Token)
+	require.Empty(t, response.Status.ClientCertificateData)
+	require.Empty(t, response.Status.ClientKeyData)
+	require.Nil(t, response.Status.ExpirationTimestamp)
+}
+
+func TestLoginRequest_ShouldFailWhenRequestDoesNotIncludeToken(t *testing.T) {
+	_, err := makeRequest(t, v1alpha1.LoginRequestSpec{})
+
+	require.Error(t, err)
+	statusError, isStatus := err.(*errors.StatusError)
+	require.True(t, isStatus)
+
+	require.Equal(t, 1, len(statusError.ErrStatus.Details.Causes))
+	cause := statusError.ErrStatus.Details.Causes[0]
+	require.Equal(t, metav1.CauseType("FieldValueRequired"), cause.Type)
+	require.Equal(t, "Required value: token must be supplied", cause.Message)
+	require.Equal(t, "spec.token.value", cause.Field)
+}
+
+func TestGetDiscovery(t *testing.T) {
+	client := library.NewPlaceholderNameClientset(t)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	result, err := client.Discovery().RESTClient().Get().Do(ctx).Raw()
+	require.NoError(t, err)
+
+	var parsedResult map[string]interface{}
+	err = json.Unmarshal(result, &parsedResult)
+	require.NoError(t, err)
+	require.Contains(t, parsedResult["paths"], "/apis/placeholder.suzerain-io.github.io")
+	require.Contains(t, parsedResult["paths"], "/apis/placeholder.suzerain-io.github.io/v1alpha1")
+}
+
+func TestGetAPIResourceList(t *testing.T) {
+	var expectedAPIResourceList = `{
+	  "kind": "APIResourceList",
+	  "apiVersion": "v1",
+	  "groupVersion": "placeholder.suzerain-io.github.io/v1alpha1",
+	  "resources": [
+		{
+		  "name": "loginrequests",
+		  "singularName": "",
+		  "namespaced": false,
+		  "kind": "LoginRequest",
+		  "verbs": [
+			"create"
+		  ]
+		}
+	  ]
+	}`
+
+	client := library.NewPlaceholderNameClientset(t)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	result, err := client.PlaceholderV1alpha1().RESTClient().Get().Do(ctx).Raw()
+	require.NoError(t, err)
+	require.JSONEq(t, expectedAPIResourceList, string(result))
+
+	// proposed:
+
+	groups, resources, err := client.Discovery().ServerGroupsAndResources()
+	require.NoError(t, err)
+
+	groupName := "placeholder.suzerain-io.github.io"
+	actualGroup := findGroup(groupName, groups)
+	require.NotNil(t, actualGroup)
+
+	expectedGroup := &metav1.APIGroup{
+		Name: "placeholder.suzerain-io.github.io",
+		Versions: []metav1.GroupVersionForDiscovery{
+			metav1.GroupVersionForDiscovery{
+				GroupVersion: "placeholder.suzerain-io.github.io/v1alpha1",
+				Version:      "v1alpha1",
+			},
+		},
+		PreferredVersion: metav1.GroupVersionForDiscovery{
+			GroupVersion: "placeholder.suzerain-io.github.io/v1alpha1",
+			Version:      "v1alpha1",
+		},
+	}
+	require.Equal(t, expectedGroup, actualGroup)
+
+	resourceGroupVersion := "placeholder.suzerain-io.github.io/v1alpha1"
+	actualResources := findResources(resourceGroupVersion, resources)
+	require.NotNil(t, actualResources)
+
+	expectedResources := &metav1.APIResourceList{
+		TypeMeta: metav1.TypeMeta{
+			Kind:       "APIResourceList",
+			APIVersion: "v1",
+		},
+		GroupVersion: "placeholder.suzerain-io.github.io/v1alpha1",
+		APIResources: []metav1.APIResource{
+			metav1.APIResource{
+				Name:         "loginrequests",
+				Kind:         "LoginRequest",
+				SingularName: "", // TODO(akeesler): what should this be?
+				Verbs: metav1.Verbs([]string{
+					"create",
+				}),
+			},
+		},
+	}
+	require.Equal(t, expectedResources, actualResources)
+}
+
+func TestGetAPIVersion(t *testing.T) {
+	client := library.NewPlaceholderNameClientset(t)
+
+	version, err := client.Discovery().ServerVersion()
+	require.NoError(t, err)
+	require.NotNil(t, version) // TODO(akeesler: what can we assert here?
+}
+
+func findGroup(name string, groups []*metav1.APIGroup) *metav1.APIGroup {
+	for _, group := range groups {
+		if group.Name == name {
+			return group
+		}
+	}
+	return nil
+}
+
+func findResources(groupVersion string, resources []*metav1.APIResourceList) *metav1.APIResourceList {
+	for _, resource := range resources {
+		if resource.GroupVersion == groupVersion {
+			return resource
+		}
+	}
+	return nil
+}
--- a/test/library/client.go
+++ b/test/library/client.go
@ -12,6 +12,8 @@ import (
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
+
+	placeholdernameclientset "github.com/suzerain-io/placeholder-name-client-go/pkg/generated/clientset/versioned"
 )

 func NewClientConfig(t *testing.T) *rest.Config {
@ -30,3 +32,9 @@ func NewClientset(t *testing.T) kubernetes.Interface {

 	return kubernetes.NewForConfigOrDie(NewClientConfig(t))
 }
+
+func NewPlaceholderNameClientset(t *testing.T) placeholdernameclientset.Interface {
+	t.Helper()
+
+	return placeholdernameclientset.NewForConfigOrDie(NewClientConfig(t))
+}