Role: Do not set version if autoIncrementVersion is true (#139)

In Terraform, the user would only set one of the two, but the Crossplane provider tries to set the value it reads back, preventing updates

config/grafana/config.go

@@ -311,6 +311,9 @@ func Configure(p *ujconfig.Provider) {
 			Extractor:         optionalFieldExtractor("uid"),
 		}
 	})
+	p.AddResourceConfigurator("grafana_role", func(r *ujconfig.Resource) {
+		r.InitializerFns = append(r.InitializerFns, createroleInitializer)
+	})
 	p.AddResourceConfigurator("grafana_role_assignment", func(r *ujconfig.Resource) {
 		r.References["role_uid"] = ujconfig.Reference{
 			TerraformName:     "grafana_role",

config/grafana/initializer_role.go

@@ -0,0 +1,58 @@
+package grafana
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/crossplane/crossplane-runtime/pkg/fieldpath"
+	"github.com/crossplane/crossplane-runtime/pkg/reconciler/managed"
+	"github.com/crossplane/crossplane-runtime/pkg/resource"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+)
+
+func createroleInitializer(client client.Client) managed.Initializer {
+	return &roleInitializer{
+		kube: client,
+	}
+}
+
+// Based on the Tagger: https://github.com/crossplane/upjet/blob/v1.1.0/pkg/config/resource.go#L268
+type roleInitializer struct {
+	kube client.Client
+}
+
+// If `autoIncrementVersion` is set to true, the `version` field will be set to the current value of `status.atProvider.version`.
+// If the version field was never set, it will be deleted from the forProvider spec.
+func (i *roleInitializer) Initialize(ctx context.Context, mg resource.Managed) error {
+	paved, err := fieldpath.PaveObject(mg)
+	if err != nil {
+		return err
+	}
+	v, err := paved.GetBool("spec.forProvider.autoIncrementVersion")
+	if err != nil {
+		return fmt.Errorf("could not get autoIncrementVersion: %w", err)
+	}
+	if !v {
+		return nil
+	}
+	atProviderValue, err := paved.GetValue("status.atProvider.version")
+	if err == nil {
+		if err := paved.SetValue("spec.forProvider.version", atProviderValue); err != nil {
+			return fmt.Errorf("could not set version: %w", err)
+		}
+	} else if err := paved.DeleteField("spec.forProvider.version"); err != nil {
+		return fmt.Errorf("could not delete version: %w", err)
+	}
+	pavedByte, err := paved.MarshalJSON()
+	if err != nil {
+		return fmt.Errorf("could not marshal modified role spec into JSON: %w", err)
+	}
+	if err := json.Unmarshal(pavedByte, mg); err != nil {
+		return fmt.Errorf("could not unmarshal modified role spec into managed resource interface: %w", err)
+	}
+	if err := i.kube.Update(ctx, mg); err != nil {
+		return fmt.Errorf("could not update managed resource: %w", err)
+	}
+	return nil
+}