Add a new login.pinniped.dev API group with TokenCredentialRequest.

This is essentially meant to be be "v1alpha2" of the existing CredentialRequest API, but since we want to move API groups we can just start over at v1alpha1.

Signed-off-by: Matt Moyer <moyerm@vmware.com>

apis/login/doc.go.tmpl

@@ -0,0 +1,8 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+// +k8s:deepcopy-gen=package
+// +groupName=login.pinniped.dev
+
+// Package login is the internal version of the Pinniped login API.
+package login

apis/login/register.go.tmpl

@@ -0,0 +1,38 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package login
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+const GroupName = "login.pinniped.dev"
+
+// SchemeGroupVersion is group version used to register these objects.
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}
+
+// Kind takes an unqualified kind and returns back a Group qualified GroupKind.
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns back a Group qualified GroupResource.
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	AddToScheme   = SchemeBuilder.AddToScheme
+)
+
+// Adds the list of known types to the given scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&TokenCredentialRequest{},
+		&TokenCredentialRequestList{},
+	)
+	return nil
+}

apis/login/types_clustercred.go.tmpl

@@ -0,0 +1,21 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package login
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+// ClusterCredential is a credential (token or certificate) which is valid on the Kubernetes cluster.
+type ClusterCredential struct {
+	// ExpirationTimestamp indicates a time when the provided credentials expire.
+	ExpirationTimestamp metav1.Time
+
+	// Token is a bearer token used by the client for request authentication.
+	Token string
+
+	// PEM-encoded client TLS certificates (including intermediates, if any).
+	ClientCertificateData string
+
+	// PEM-encoded private key for the above certificate.
+	ClientKeyData string
+}

apis/login/types_token.go.tmpl

@@ -0,0 +1,42 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package login
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+type TokenCredentialRequestSpec struct {
+	// Bearer token supplied with the credential request.
+	Token string
+}
+
+type TokenCredentialRequestStatus struct {
+	// A ClusterCredential will be returned for a successful credential request.
+	// +optional
+	Credential *ClusterCredential
+
+	// An error message will be returned for an unsuccessful credential request.
+	// +optional
+	Message *string
+}
+
+// TokenCredentialRequest submits an IDP-specific credential to Pinniped in exchange for a cluster-specific credential.
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+type TokenCredentialRequest struct {
+	metav1.TypeMeta
+	metav1.ObjectMeta
+
+	Spec   TokenCredentialRequestSpec
+	Status TokenCredentialRequestStatus
+}
+
+// TokenCredentialRequestList is a list of TokenCredentialRequest objects.
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+type TokenCredentialRequestList struct {
+	metav1.TypeMeta
+	metav1.ListMeta
+
+	// Items is a list of TokenCredentialRequest
+	Items []TokenCredentialRequest
+}

apis/login/v1alpha1/conversion.go.tmpl

@@ -0,0 +1,4 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1

apis/login/v1alpha1/defaults.go.tmpl

@@ -0,0 +1,12 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+func addDefaultingFuncs(scheme *runtime.Scheme) error {
+	return RegisterDefaults(scheme)
+}

apis/login/v1alpha1/doc.go.tmpl

@@ -0,0 +1,11 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+// +k8s:openapi-gen=true
+// +k8s:deepcopy-gen=package
+// +k8s:conversion-gen=github.com/suzerain-io/pinniped/GENERATED_PKG/apis/login
+// +k8s:defaulter-gen=TypeMeta
+// +groupName=login.pinniped.dev
+
+// Package v1alpha1 is the v1alpha1 version of the Pinniped login API.
+package v1alpha1

apis/login/v1alpha1/register.go.tmpl

@@ -0,0 +1,43 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+const GroupName = "login.pinniped.dev"
+
+// SchemeGroupVersion is group version used to register these objects.
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+var (
+	SchemeBuilder      runtime.SchemeBuilder
+	localSchemeBuilder = &SchemeBuilder
+	AddToScheme        = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addKnownTypes, addDefaultingFuncs)
+}
+
+// Adds the list of known types to the given scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&TokenCredentialRequest{},
+		&TokenCredentialRequestList{},
+	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource.
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}

apis/login/v1alpha1/types_clustercred.go.tmpl

@@ -0,0 +1,22 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+// ClusterCredential is the cluster-specific credential returned on a successful credential request. It
+// contains either a valid bearer token or a valid TLS certificate and corresponding private key for the cluster.
+type ClusterCredential struct {
+	// ExpirationTimestamp indicates a time when the provided credentials expire.
+	ExpirationTimestamp metav1.Time `json:"expirationTimestamp,omitempty"`
+
+	// Token is a bearer token used by the client for request authentication.
+	Token string `json:"token,omitempty"`
+
+	// PEM-encoded client TLS certificates (including intermediates, if any).
+	ClientCertificateData string `json:"clientCertificateData,omitempty"`
+
+	// PEM-encoded private key for the above certificate.
+	ClientKeyData string `json:"clientKeyData,omitempty"`
+}

apis/login/v1alpha1/types_token.go.tmpl

@@ -0,0 +1,43 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+// TokenCredentialRequestSpec is the specification of a TokenCredentialRequest, expected on requests to the Pinniped API.
+type TokenCredentialRequestSpec struct {
+	// Bearer token supplied with the credential request.
+	Token string `json:"token,omitempty"`
+}
+
+// TokenCredentialRequestStatus is the status of a TokenCredentialRequest, returned on responses to the Pinniped API.
+type TokenCredentialRequestStatus struct {
+	// A Credential will be returned for a successful credential request.
+	// +optional
+	Credential *ClusterCredential `json:"credential,omitempty"`
+
+	// An error message will be returned for an unsuccessful credential request.
+	// +optional
+	Message *string `json:"message,omitempty"`
+}
+
+// TokenCredentialRequest submits an IDP-specific credential to Pinniped in exchange for a cluster-specific credential.
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+type TokenCredentialRequest struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   TokenCredentialRequestSpec   `json:"spec,omitempty"`
+	Status TokenCredentialRequestStatus `json:"status,omitempty"`
+}
+
+// TokenCredentialRequestList is a list of TokenCredentialRequest objects.
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+type TokenCredentialRequestList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []TokenCredentialRequest `json:"items"`
+}