✨ Add capsule-level extensions through Platform config (#1199)

docs/docs/api/config/v1alpha1.md

@@ -322,6 +322,20 @@ _Appears in:_
 
 
 
+### Extension
+
+
+
+Extension is a typed (through JSON Schema) expansion of a Platform resource, that allows extending the default customization.
+
+_Appears in:_
+- [PlatformConfig](#platformconfig)
+
+| Field | Description |
+| --- | --- |
+| `schema` _[JSONSchemaProps](#jsonschemaprops)_ | The schema of the extension, expressed as a json-schema (https://json-schema.org/). While the full syntax is supported, some features may be semantically disabled which would make the Platform not start or not process Rollouts. |
+
+
 ### GitAuth
 
 
@@ -619,6 +633,7 @@ PlatformConfig is the Schema for the platform config API
 | `logging` _[Logging](#logging)_ | Logging holds information about the granularity of logging |
 | `clusters` _object (keys:string, values:[Cluster](#cluster))_ | Clusters the platform has access to. |
 | `dockerRegistries` _object (keys:string, values:[DockerRegistryCredentials](#dockerregistrycredentials))_ | DockerRegistries holds configuration for multiple docker registries. The key is the host-prefix of the registry |
+| `capsuleExtensions` _object (keys:string, values:[Extension](#extension))_ | CapsuleExtensions contains typed extensions to the Capsule spec. |
 
 
 ### Plugin

docs/docs/api/platform-api.md

@@ -9347,6 +9347,23 @@ Platform wide static configuration.
 | client | [Client](#api-v1-settings-Client) |  |  |
 | docker_registries | [string](#string) | repeated |  |
 | default_email | [EmailClient](#api-v1-settings-EmailClient) |  |  |
+| capsule_extensions | [Configuration.CapsuleExtensionsEntry](#api-v1-settings-Configuration-CapsuleExtensionsEntry) | repeated |  |
+
+
+
+
+
+
+<a name="api-v1-settings-Configuration-CapsuleExtensionsEntry"></a>
+
+### Configuration.CapsuleExtensionsEntry
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| key | [string](#string) |  |  |
+| value | [Extension](#api-v1-settings-Extension) |  |  |
 
 
 
@@ -9369,6 +9386,21 @@ Platform wide static configuration.
 
 
 
+<a name="api-v1-settings-Extension"></a>
+
+### Extension
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| json_schema | [string](#string) |  | The schema of the extension, expressed as a json-schema (https://json-schema.org/). |
+
+
+
+
+
+
 <a name="api-v1-settings-Git"></a>
 
 ### Git

pkg/api/config/v1alpha1/platform_config_types.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"go.uber.org/zap/zapcore"
+	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/validation/field"
@@ -53,6 +54,19 @@ type PlatformConfig struct {
 
 	// DockerRegistries holds configuration for multiple docker registries. The key is the host-prefix of the registry
 	DockerRegistries map[string]DockerRegistryCredentials `json:"dockerRegistries,omitempty"`
+
+	// CapsuleExtensions contains typed extensions to the Capsule spec.
+	CapsuleExtensions map[string]Extension `json:"capsuleExtensions,omitempty"`
+}
+
+// Extension is a typed (through JSON Schema) expansion of a Platform resource,
+// that allows extending the default customization.
+type Extension struct {
+	// The schema of the extension, expressed as a json-schema
+	// (https://json-schema.org/). While the full syntax is supported,
+	// some features may be semantically disabled which would make the Platform
+	// not start or not process Rollouts.
+	Schema *apiextensionsv1.JSONSchemaProps `json:"schema,omitempty"`
 }
 
 // Auth specifies authentication configuration.

proto/rig/api/v1/settings/configuration.proto

@@ -7,6 +7,7 @@ message Configuration {
   Client client = 1;
   repeated string docker_registries = 2;
   EmailClient default_email = 3;
+  map<string, Extension> capsule_extensions = 4;
 }
 
 message Client {
@@ -40,3 +41,9 @@ message Git {
   // URLPrefix is a prefix-match for the repo urls this auth can be used for.
   string url_prefix = 2;
 }
+
+message Extension {
+  // The schema of the extension, expressed as a json-schema
+  // (https://json-schema.org/).
+  string json_schema = 1;
+}