Add PlatformCredentialsSet API client (#580)

Preparing for the implementation of the **PlatformCredentialsSet per Stack** feature,
this Pull Request adds `PlatformCredentialsSet` to the zalando.org/v1 api.

Signed-off-by: Katyanna Moura <amelie.kn@gmail.com>
Signed-off-by: Mikkel Oscar Lyderik Larsen <mikkel.larsen@zalando.de>
Co-authored-by: Mikkel Oscar Lyderik Larsen <mikkeloscar@users.noreply.github.com>

docs/zalando.org_platformcredentialssets.yaml

@@ -0,0 +1,102 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.9.2
+  creationTimestamp: null
+  name: platformcredentialssets.zalando.org
+spec:
+  group: zalando.org
+  names:
+    kind: PlatformCredentialsSet
+    listKind: PlatformCredentialsSetList
+    plural: platformcredentialssets
+    singular: platformcredentialsset
+  scope: Namespaced
+  versions:
+  - name: v1
+    schema:
+      openAPIV3Schema:
+        description: PlatformCredentialsSet describes a platform credentials set
+        properties:
+          apiVersion:
+            description: 'APIVersion defines the versioned schema of this representation
+              of an object. Servers should convert recognized schemas to the latest
+              internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+            type: string
+          kind:
+            description: 'Kind is a string value representing the REST resource this
+              object represents. Servers may infer this from the endpoint the client
+              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+            type: string
+          metadata:
+            type: object
+          spec:
+            description: PlatformCredentialsSpec is the spec part of the StackSet.
+            properties:
+              application:
+                type: string
+              clients:
+                additionalProperties:
+                  properties:
+                    grant:
+                      type: string
+                    realm:
+                      type: string
+                    redirectUri:
+                      type: string
+                  required:
+                  - grant
+                  - realm
+                  - redirectUri
+                  type: object
+                type: object
+              token_version:
+                type: string
+              tokens:
+                additionalProperties:
+                  properties:
+                    privileges:
+                      items:
+                        type: string
+                      type: array
+                  required:
+                  - privileges
+                  type: object
+                type: object
+            required:
+            - application
+            - clients
+            - token_version
+            - tokens
+            type: object
+          status:
+            description: PlatformCredentialsStatus is the status part of the Stack.
+            properties:
+              clients: {}
+              errors:
+                items:
+                  type: string
+                type: array
+              observedGeneration:
+                format: int64
+                type: integer
+              problems:
+                items:
+                  type: string
+                type: array
+              tokens: {}
+            required:
+            - clients
+            - errors
+            - observedGeneration
+            - problems
+            - tokens
+            type: object
+        required:
+        - spec
+        - status
+        type: object
+    served: true
+    storage: true

pkg/apis/zalando.org/v1/register.go

@@ -33,6 +33,8 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 		&StackSetList{},
 		&Stack{},
 		&StackList{},
+		&PlatformCredentialsSet{},
+		&PlatformCredentialsSetList{},
 	)
 	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
 	return nil

pkg/apis/zalando.org/v1/types_pcs.go

@@ -0,0 +1,60 @@
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// PlatformCredentialsSet describes a platform credentials set
+// +k8s:deepcopy-gen=true
+type PlatformCredentialsSet struct {
+	metav1.TypeMeta   `json:""`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   PlatformCredentialsSpec   `json:"spec"`
+	Status PlatformCredentialsStatus `json:"status"`
+}
+
+// PlatformCredentialsSpec is the spec part of the StackSet.
+// +k8s:deepcopy-gen=true
+type PlatformCredentialsSpec struct {
+	Application  string            `json:"application"`
+	Clients      map[string]Client `json:"clients"`
+	Tokens       map[string]Token  `json:"tokens"`
+	TokenVersion string            `json:"token_version"`
+}
+
+// +k8s:deepcopy-gen=true
+type Client struct {
+	Realm       string `json:"realm"`
+	Grant       string `json:"grant"`
+	RedirectURI string `json:"redirectUri"`
+}
+
+// +k8s:deepcopy-gen=true
+type Token struct {
+	Privileges []string `json:"privileges"`
+}
+
+// PlatformCredentialsStatus is the status part of the Stack.
+// +k8s:deepcopy-gen=true
+type PlatformCredentialsStatus struct {
+	ObservedGeneration int64               `json:"observedGeneration"`
+	Errors             []string            `json:"errors"`
+	Problems           []string            `json:"problems"`
+	Tokens             map[string]struct{} `json:"tokens"`
+	Clients            map[string]struct{} `json:"clients"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// PlatformCredentialsSetList is a list of StackSets.
+// +k8s:deepcopy-gen=true
+type PlatformCredentialsSetList struct {
+	metav1.TypeMeta `json:""`
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []PlatformCredentialsSet `json:"items"`
+}