Extract Supervisor IDP discovery endpoint types into apis package

apis/supervisor/idpdiscovery/v1alpha1/types_supervisor_idp_discovery.go.tmpl

@@ -0,0 +1,29 @@
+// Copyright 2021 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+// SupervisorOIDCDiscoveryResponse is part of the response from a FederationDomain's OpenID Provider Configuration
+// Document returned by the .well-known/openid-configuration endpoint. It ignores all the standard OpenID Provider
+// configuration metadata and only picks out the portion related to Supervisor identity provider discovery.
+type SupervisorOIDCDiscoveryResponse struct {
+	SupervisorDiscovery SupervisorOIDCDiscoveryResponseIDPEndpoint `json:"discovery.supervisor.pinniped.dev/v1alpha1"`
+}
+
+// SupervisorOIDCDiscoveryResponseIDPEndpoint contains the URL for the identity provider discovery endpoint.
+type SupervisorOIDCDiscoveryResponseIDPEndpoint struct {
+	PinnipedIDPsEndpoint string `json:"pinniped_identity_providers_endpoint"`
+}
+
+// SupervisorIDPDiscoveryResponse is the response of a FederationDomain's identity provider discovery endpoint.
+type SupervisorIDPDiscoveryResponse struct {
+	PinnipedIDPs []SupervisorPinnipedIDP `json:"pinniped_identity_providers"`
+}
+
+// SupervisorPinnipedIDP describes a single identity provider as included in the response of a FederationDomain's
+// identity provider discovery endpoint.
+type SupervisorPinnipedIDP struct {
+	Name  string   `json:"name"`
+	Type  string   `json:"type"`
+	Flows []string `json:"flows,omitempty"`
+}