Provisioning: Add Validation and Mutation for Connection resource (#115596)

* WIP: mutator added, start working on validator

* first validator iteration

* second validator iteration

* wip: working on integration tests

* re-working mutation and validation, using Connection interface

* fixing some rebase things

* fixing integration tests

* formatting

* fixing unit tests

* k8s codegen

* linting

* moving tests which are available only for enterprise

* addressing comments: using repo config for connections, updating tests

* addressing comments: adding some more info in the app and installation

* fixing app data

* addressing comments: updating connection implementation

* addressing comments

* formatting

* fixing tests

pkg/tests/apis/provisioning/connection_status_auth_test.go

@@ -2,12 +2,12 @@ package provisioning
 
 import (
 	"context"
+	"encoding/base64"
 	"net/http"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 
 	"github.com/grafana/grafana/pkg/util/testutil"
@@ -18,7 +18,7 @@ func TestIntegrationProvisioning_ConnectionStatusAuthorization(t *testing.T) {
 
 	helper := runGrafana(t)
 	ctx := context.Background()
-	createOptions := metav1.CreateOptions{FieldValidation: "Strict"}
+	privateKeyBase64 := base64.StdEncoding.EncodeToString([]byte(testPrivateKeyPEM))
 
 	// Create a connection for testing
 	connection := &unstructured.Unstructured{Object: map[string]any{
@@ -37,13 +37,12 @@ func TestIntegrationProvisioning_ConnectionStatusAuthorization(t *testing.T) {
 		},
 		"secure": map[string]any{
 			"privateKey": map[string]any{
-				"create": "someSecret",
+				"create": privateKeyBase64,
 			},
 		},
 	}}
-
-	_, err := helper.Connections.Resource.Create(ctx, connection, createOptions)
-	require.NoError(t, err, "failed to create connection")
+	_, err := helper.CreateGithubConnection(t, ctx, connection)
+	require.NoError(t, err)
 
 	t.Run("admin can GET connection status", func(t *testing.T) {
 		var statusCode int